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Dalgaard LB, Kruse DZ, Norup K, Andersen BV, Hansen M. A dairy-based, protein-rich breakfast enhances satiety and cognitive concentration before lunch in overweight to obese young females: A randomized controlled crossover study. J Dairy Sci 2024; 107:2653-2667. [PMID: 38135050 DOI: 10.3168/jds.2023-24152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/21/2023] [Indexed: 12/24/2023]
Abstract
The purpose of this study was to investigate if consumption of a high-protein, low-carbohydrate breakfast (PRO) leads to a lower subsequent ad libitum energy intake at lunch and the rest of the day compared with ingestion of an isocaloric low-protein, high-carbohydrate breakfast (CHO) or no breakfast (CON). The study was designed as a randomized controlled 3-period crossover study. Thirty young (18-30 yr) females with overweight to obesity (body mass index >25 kg/m2) in random order completed 3 separate experimental days where they consumed either a PRO, CHO, or CON breakfast test meal followed by an ad libitum lunch meal 3 h after breakfast. Participants were allocated to a sequence group by their inclusion number. The PRO and CHO breakfasts were matched in dietary fiber and fat content. Energy intake at lunch was calculated and dietary records were obtained for the rest of the day to calculate the total daily energy intake and macronutrient intake. Ratings of appetite sensations between meals and palatability of the test meals were assessed using visual analog scale sheets in intervals ranging from 10 to 30 min. In addition, blood samples were obtained at multiple time points separated by 10 to 60 min intervals between breakfast and lunch and were analyzed for appetite-regulating gut hormones, insulin, and glucose. Finally, performance in a cognitive concentration test was tested 150 min after breakfast. Compared with CHO and CON, the area under the curves for satiety, fullness, and satisfaction in the 3 h after breakfast were significantly higher after PRO, whereas the areas under the curve for hunger, desire to eat, and prospective eating were significantly lower after PRO. The appetite-regulating gut hormones cholecystokinin, glucagon-like peptide-1, and ghrelin in the hours after breakfast, energy intake during the ad libitum lunch meal, and the total daily energy intake did not differ significantly between PRO, CHO, and CON. However, the cognitive concentration test score was 3.5 percentage points higher for PRO, but not CHO, versus CON. A dairy-based high-protein, low-carbohydrate breakfast increased satiety sensation in the hours after breakfast but did not reduce total daily energy intake compared with an isocaloric low-protein, high-carbohydrate breakfast or omitting breakfast. However, performance in a cognitive concentration test before lunch was enhanced after the high-protein, low-carbohydrate breakfast, but not the low-protein, high-carbohydrate breakfast, compared with omitting breakfast.
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Affiliation(s)
- L B Dalgaard
- Department of Public Health, Aarhus University, 8000 Aarhus, Denmark; Department of Internal Medicine, G⊘dstrup Hospital, 7400 Herning, Denmark
| | - D Z Kruse
- Department of Public Health, Aarhus University, 8000 Aarhus, Denmark
| | - K Norup
- Department of Public Health, Aarhus University, 8000 Aarhus, Denmark
| | - B V Andersen
- Department of Food Science, Aarhus University, 8000 Aarhus, Denmark
| | - M Hansen
- Department of Public Health, Aarhus University, 8000 Aarhus, Denmark.
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2
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Rosenberg E, Andersen TI, Samajdar R, Petukhov A, Hoke JC, Abanin D, Bengtsson A, Drozdov IK, Erickson C, Klimov PV, Mi X, Morvan A, Neeley M, Neill C, Acharya R, Allen R, Anderson K, Ansmann M, Arute F, Arya K, Asfaw A, Atalaya J, Bardin JC, Bilmes A, Bortoli G, Bourassa A, Bovaird J, Brill L, Broughton M, Buckley BB, Buell DA, Burger T, Burkett B, Bushnell N, Campero J, Chang HS, Chen Z, Chiaro B, Chik D, Cogan J, Collins R, Conner P, Courtney W, Crook AL, Curtin B, Debroy DM, Barba ADT, Demura S, Di Paolo A, Dunsworth A, Earle C, Faoro L, Farhi E, Fatemi R, Ferreira VS, Burgos LF, Forati E, Fowler AG, Foxen B, Garcia G, Genois É, Giang W, Gidney C, Gilboa D, Giustina M, Gosula R, Dau AG, Gross JA, Habegger S, Hamilton MC, Hansen M, Harrigan MP, Harrington SD, Heu P, Hill G, Hoffmann MR, Hong S, Huang T, Huff A, Huggins WJ, Ioffe LB, Isakov SV, Iveland J, Jeffrey E, Jiang Z, Jones C, Juhas P, Kafri D, Khattar T, Khezri M, Kieferová M, Kim S, Kitaev A, Klots AR, Korotkov AN, Kostritsa F, Kreikebaum JM, Landhuis D, Laptev P, Lau KM, Laws L, Lee J, Lee KW, Lensky YD, Lester BJ, Lill AT, Liu W, Locharla A, Mandrà S, Martin O, Martin S, McClean JR, McEwen M, Meeks S, Miao KC, Mieszala A, Montazeri S, Movassagh R, Mruczkiewicz W, Nersisyan A, Newman M, Ng JH, Nguyen A, Nguyen M, Niu MY, O'Brien TE, Omonije S, Opremcak A, Potter R, Pryadko LP, Quintana C, Rhodes DM, Rocque C, Rubin NC, Saei N, Sank D, Sankaragomathi K, Satzinger KJ, Schurkus HF, Schuster C, Shearn MJ, Shorter A, Shutty N, Shvarts V, Sivak V, Skruzny J, Smith WC, Somma RD, Sterling G, Strain D, Szalay M, Thor D, Torres A, Vidal G, Villalonga B, Heidweiller CV, White T, Woo BWK, Xing C, Yao ZJ, Yeh P, Yoo J, Young G, Zalcman A, Zhang Y, Zhu N, Zobrist N, Neven H, Babbush R, Bacon D, Boixo S, Hilton J, Lucero E, Megrant A, Kelly J, Chen Y, Smelyanskiy V, Khemani V, Gopalakrishnan S, Prosen T, Roushan P. Dynamics of magnetization at infinite temperature in a Heisenberg spin chain. Science 2024; 384:48-53. [PMID: 38574139 DOI: 10.1126/science.adi7877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 03/01/2024] [Indexed: 04/06/2024]
Abstract
Understanding universal aspects of quantum dynamics is an unresolved problem in statistical mechanics. In particular, the spin dynamics of the one-dimensional Heisenberg model were conjectured as to belong to the Kardar-Parisi-Zhang (KPZ) universality class based on the scaling of the infinite-temperature spin-spin correlation function. In a chain of 46 superconducting qubits, we studied the probability distribution of the magnetization transferred across the chain's center, [Formula: see text]. The first two moments of [Formula: see text] show superdiffusive behavior, a hallmark of KPZ universality. However, the third and fourth moments ruled out the KPZ conjecture and allow for evaluating other theories. Our results highlight the importance of studying higher moments in determining dynamic universality classes and provide insights into universal behavior in quantum systems.
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Affiliation(s)
- E Rosenberg
- Google Research, Mountain View, CA, USA
- Department of Physics, Cornell University, Ithaca, NY, USA
| | | | - R Samajdar
- Department of Physics, Princeton University, Princeton, NJ, USA
- Princeton Center for Theoretical Science, Princeton University, Princeton, NJ, USA
| | | | - J C Hoke
- Department of Physics, Stanford University, Stanford, CA, USA
| | - D Abanin
- Google Research, Mountain View, CA, USA
| | | | - I K Drozdov
- Google Research, Mountain View, CA, USA
- Department of Physics, University of Connecticut, Storrs, CT, USA
| | | | | | - X Mi
- Google Research, Mountain View, CA, USA
| | - A Morvan
- Google Research, Mountain View, CA, USA
| | - M Neeley
- Google Research, Mountain View, CA, USA
| | - C Neill
- Google Research, Mountain View, CA, USA
| | - R Acharya
- Google Research, Mountain View, CA, USA
| | - R Allen
- Google Research, Mountain View, CA, USA
| | | | - M Ansmann
- Google Research, Mountain View, CA, USA
| | - F Arute
- Google Research, Mountain View, CA, USA
| | - K Arya
- Google Research, Mountain View, CA, USA
| | - A Asfaw
- Google Research, Mountain View, CA, USA
| | - J Atalaya
- Google Research, Mountain View, CA, USA
| | - J C Bardin
- Google Research, Mountain View, CA, USA
- Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, USA
| | - A Bilmes
- Google Research, Mountain View, CA, USA
| | - G Bortoli
- Google Research, Mountain View, CA, USA
| | | | - J Bovaird
- Google Research, Mountain View, CA, USA
| | - L Brill
- Google Research, Mountain View, CA, USA
| | | | | | - D A Buell
- Google Research, Mountain View, CA, USA
| | - T Burger
- Google Research, Mountain View, CA, USA
| | - B Burkett
- Google Research, Mountain View, CA, USA
| | | | - J Campero
- Google Research, Mountain View, CA, USA
| | - H-S Chang
- Google Research, Mountain View, CA, USA
| | - Z Chen
- Google Research, Mountain View, CA, USA
| | - B Chiaro
- Google Research, Mountain View, CA, USA
| | - D Chik
- Google Research, Mountain View, CA, USA
| | - J Cogan
- Google Research, Mountain View, CA, USA
| | - R Collins
- Google Research, Mountain View, CA, USA
| | - P Conner
- Google Research, Mountain View, CA, USA
| | | | - A L Crook
- Google Research, Mountain View, CA, USA
| | - B Curtin
- Google Research, Mountain View, CA, USA
| | | | | | - S Demura
- Google Research, Mountain View, CA, USA
| | | | | | - C Earle
- Google Research, Mountain View, CA, USA
| | - L Faoro
- Google Research, Mountain View, CA, USA
| | - E Farhi
- Google Research, Mountain View, CA, USA
| | - R Fatemi
- Google Research, Mountain View, CA, USA
| | | | | | - E Forati
- Google Research, Mountain View, CA, USA
| | | | - B Foxen
- Google Research, Mountain View, CA, USA
| | - G Garcia
- Google Research, Mountain View, CA, USA
| | - É Genois
- Google Research, Mountain View, CA, USA
| | - W Giang
- Google Research, Mountain View, CA, USA
| | - C Gidney
- Google Research, Mountain View, CA, USA
| | - D Gilboa
- Google Research, Mountain View, CA, USA
| | | | - R Gosula
- Google Research, Mountain View, CA, USA
| | | | - J A Gross
- Google Research, Mountain View, CA, USA
| | | | - M C Hamilton
- Google Research, Mountain View, CA, USA
- Department of Electrical and Computer Engineering, Auburn University, Auburn, AL, USA
| | - M Hansen
- Google Research, Mountain View, CA, USA
| | | | | | - P Heu
- Google Research, Mountain View, CA, USA
| | - G Hill
- Google Research, Mountain View, CA, USA
| | | | - S Hong
- Google Research, Mountain View, CA, USA
| | - T Huang
- Google Research, Mountain View, CA, USA
| | - A Huff
- Google Research, Mountain View, CA, USA
| | | | - L B Ioffe
- Google Research, Mountain View, CA, USA
| | | | - J Iveland
- Google Research, Mountain View, CA, USA
| | - E Jeffrey
- Google Research, Mountain View, CA, USA
| | - Z Jiang
- Google Research, Mountain View, CA, USA
| | - C Jones
- Google Research, Mountain View, CA, USA
| | - P Juhas
- Google Research, Mountain View, CA, USA
| | - D Kafri
- Google Research, Mountain View, CA, USA
| | - T Khattar
- Google Research, Mountain View, CA, USA
| | - M Khezri
- Google Research, Mountain View, CA, USA
| | - M Kieferová
- Google Research, Mountain View, CA, USA
- QSI, Faculty of Engineering & Information Technology, University of Technology Sydney, Ultimo, NSW, Australia
| | - S Kim
- Google Research, Mountain View, CA, USA
| | - A Kitaev
- Google Research, Mountain View, CA, USA
| | - A R Klots
- Google Research, Mountain View, CA, USA
| | - A N Korotkov
- Google Research, Mountain View, CA, USA
- Department of Electrical and Computer Engineering, University of California, Riverside, CA, USA
| | | | | | | | - P Laptev
- Google Research, Mountain View, CA, USA
| | - K-M Lau
- Google Research, Mountain View, CA, USA
| | - L Laws
- Google Research, Mountain View, CA, USA
| | - J Lee
- Google Research, Mountain View, CA, USA
- Department of Chemistry, Columbia University, New York, NY, USA
| | - K W Lee
- Google Research, Mountain View, CA, USA
| | | | | | - A T Lill
- Google Research, Mountain View, CA, USA
| | - W Liu
- Google Research, Mountain View, CA, USA
| | | | - S Mandrà
- Google Research, Mountain View, CA, USA
| | - O Martin
- Google Research, Mountain View, CA, USA
| | - S Martin
- Google Research, Mountain View, CA, USA
| | | | - M McEwen
- Google Research, Mountain View, CA, USA
| | - S Meeks
- Google Research, Mountain View, CA, USA
| | - K C Miao
- Google Research, Mountain View, CA, USA
| | | | | | | | | | | | - M Newman
- Google Research, Mountain View, CA, USA
| | - J H Ng
- Google Research, Mountain View, CA, USA
| | - A Nguyen
- Google Research, Mountain View, CA, USA
| | - M Nguyen
- Google Research, Mountain View, CA, USA
| | - M Y Niu
- Google Research, Mountain View, CA, USA
| | | | - S Omonije
- Google Research, Mountain View, CA, USA
| | | | - R Potter
- Google Research, Mountain View, CA, USA
| | - L P Pryadko
- Department of Physics and Astronomy, University of California, Riverside, CA, USA
| | | | | | - C Rocque
- Google Research, Mountain View, CA, USA
| | - N C Rubin
- Google Research, Mountain View, CA, USA
| | - N Saei
- Google Research, Mountain View, CA, USA
| | - D Sank
- Google Research, Mountain View, CA, USA
| | | | | | | | | | | | - A Shorter
- Google Research, Mountain View, CA, USA
| | - N Shutty
- Google Research, Mountain View, CA, USA
| | - V Shvarts
- Google Research, Mountain View, CA, USA
| | - V Sivak
- Google Research, Mountain View, CA, USA
| | - J Skruzny
- Google Research, Mountain View, CA, USA
| | | | - R D Somma
- Google Research, Mountain View, CA, USA
| | | | - D Strain
- Google Research, Mountain View, CA, USA
| | - M Szalay
- Google Research, Mountain View, CA, USA
| | - D Thor
- Google Research, Mountain View, CA, USA
| | - A Torres
- Google Research, Mountain View, CA, USA
| | - G Vidal
- Google Research, Mountain View, CA, USA
| | | | | | - T White
- Google Research, Mountain View, CA, USA
| | - B W K Woo
- Google Research, Mountain View, CA, USA
| | - C Xing
- Google Research, Mountain View, CA, USA
| | | | - P Yeh
- Google Research, Mountain View, CA, USA
| | - J Yoo
- Google Research, Mountain View, CA, USA
| | - G Young
- Google Research, Mountain View, CA, USA
| | - A Zalcman
- Google Research, Mountain View, CA, USA
| | - Y Zhang
- Google Research, Mountain View, CA, USA
| | - N Zhu
- Google Research, Mountain View, CA, USA
| | - N Zobrist
- Google Research, Mountain View, CA, USA
| | - H Neven
- Google Research, Mountain View, CA, USA
| | - R Babbush
- Google Research, Mountain View, CA, USA
| | - D Bacon
- Google Research, Mountain View, CA, USA
| | - S Boixo
- Google Research, Mountain View, CA, USA
| | - J Hilton
- Google Research, Mountain View, CA, USA
| | - E Lucero
- Google Research, Mountain View, CA, USA
| | - A Megrant
- Google Research, Mountain View, CA, USA
| | - J Kelly
- Google Research, Mountain View, CA, USA
| | - Y Chen
- Google Research, Mountain View, CA, USA
| | | | - V Khemani
- Department of Physics, Stanford University, Stanford, CA, USA
| | | | - T Prosen
- Faculty of Mathematics and Physics, University of Ljubljana, Ljubljana, Slovenia
| | - P Roushan
- Google Research, Mountain View, CA, USA
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3
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Mi X, Michailidis AA, Shabani S, Miao KC, Klimov PV, Lloyd J, Rosenberg E, Acharya R, Aleiner I, Andersen TI, Ansmann M, Arute F, Arya K, Asfaw A, Atalaya J, Bardin JC, Bengtsson A, Bortoli G, Bourassa A, Bovaird J, Brill L, Broughton M, Buckley BB, Buell DA, Burger T, Burkett B, Bushnell N, Chen Z, Chiaro B, Chik D, Chou C, Cogan J, Collins R, Conner P, Courtney W, Crook AL, Curtin B, Dau AG, Debroy DM, Del Toro Barba A, Demura S, Di Paolo A, Drozdov IK, Dunsworth A, Erickson C, Faoro L, Farhi E, Fatemi R, Ferreira VS, Burgos LF, Forati E, Fowler AG, Foxen B, Genois É, Giang W, Gidney C, Gilboa D, Giustina M, Gosula R, Gross JA, Habegger S, Hamilton MC, Hansen M, Harrigan MP, Harrington SD, Heu P, Hoffmann MR, Hong S, Huang T, Huff A, Huggins WJ, Ioffe LB, Isakov SV, Iveland J, Jeffrey E, Jiang Z, Jones C, Juhas P, Kafri D, Kechedzhi K, Khattar T, Khezri M, Kieferová M, Kim S, Kitaev A, Klots AR, Korotkov AN, Kostritsa F, Kreikebaum JM, Landhuis D, Laptev P, Lau KM, Laws L, Lee J, Lee KW, Lensky YD, Lester BJ, Lill AT, Liu W, Locharla A, Malone FD, Martin O, McClean JR, McEwen M, Mieszala A, Montazeri S, Morvan A, Movassagh R, Mruczkiewicz W, Neeley M, Neill C, Nersisyan A, Newman M, Ng JH, Nguyen A, Nguyen M, Niu MY, O'Brien TE, Opremcak A, Petukhov A, Potter R, Pryadko LP, Quintana C, Rocque C, Rubin NC, Saei N, Sank D, Sankaragomathi K, Satzinger KJ, Schurkus HF, Schuster C, Shearn MJ, Shorter A, Shutty N, Shvarts V, Skruzny J, Smith WC, Somma R, Sterling G, Strain D, Szalay M, Torres A, Vidal G, Villalonga B, Heidweiller CV, White T, Woo BWK, Xing C, Yao ZJ, Yeh P, Yoo J, Young G, Zalcman A, Zhang Y, Zhu N, Zobrist N, Neven H, Babbush R, Bacon D, Boixo S, Hilton J, Lucero E, Megrant A, Kelly J, Chen Y, Roushan P, Smelyanskiy V, Abanin DA. Stable quantum-correlated many-body states through engineered dissipation. Science 2024; 383:1332-1337. [PMID: 38513021 DOI: 10.1126/science.adh9932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 02/13/2024] [Indexed: 03/23/2024]
Abstract
Engineered dissipative reservoirs have the potential to steer many-body quantum systems toward correlated steady states useful for quantum simulation of high-temperature superconductivity or quantum magnetism. Using up to 49 superconducting qubits, we prepared low-energy states of the transverse-field Ising model through coupling to dissipative auxiliary qubits. In one dimension, we observed long-range quantum correlations and a ground-state fidelity of 0.86 for 18 qubits at the critical point. In two dimensions, we found mutual information that extends beyond nearest neighbors. Lastly, by coupling the system to auxiliaries emulating reservoirs with different chemical potentials, we explored transport in the quantum Heisenberg model. Our results establish engineered dissipation as a scalable alternative to unitary evolution for preparing entangled many-body states on noisy quantum processors.
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Affiliation(s)
- X Mi
- Google Research, Mountain View, CA, USA
| | - A A Michailidis
- Department of Theoretical Physics, University of Geneva, Geneva, Switzerland
| | - S Shabani
- Google Research, Mountain View, CA, USA
| | - K C Miao
- Google Research, Mountain View, CA, USA
| | | | - J Lloyd
- Department of Theoretical Physics, University of Geneva, Geneva, Switzerland
| | | | - R Acharya
- Google Research, Mountain View, CA, USA
| | - I Aleiner
- Google Research, Mountain View, CA, USA
| | | | - M Ansmann
- Google Research, Mountain View, CA, USA
| | - F Arute
- Google Research, Mountain View, CA, USA
| | - K Arya
- Google Research, Mountain View, CA, USA
| | - A Asfaw
- Google Research, Mountain View, CA, USA
| | - J Atalaya
- Google Research, Mountain View, CA, USA
| | - J C Bardin
- Google Research, Mountain View, CA, USA
- Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, USA
| | | | - G Bortoli
- Google Research, Mountain View, CA, USA
| | | | - J Bovaird
- Google Research, Mountain View, CA, USA
| | - L Brill
- Google Research, Mountain View, CA, USA
| | | | | | - D A Buell
- Google Research, Mountain View, CA, USA
| | - T Burger
- Google Research, Mountain View, CA, USA
| | - B Burkett
- Google Research, Mountain View, CA, USA
| | | | - Z Chen
- Google Research, Mountain View, CA, USA
| | - B Chiaro
- Google Research, Mountain View, CA, USA
| | - D Chik
- Google Research, Mountain View, CA, USA
| | - C Chou
- Google Research, Mountain View, CA, USA
| | - J Cogan
- Google Research, Mountain View, CA, USA
| | - R Collins
- Google Research, Mountain View, CA, USA
| | - P Conner
- Google Research, Mountain View, CA, USA
| | | | - A L Crook
- Google Research, Mountain View, CA, USA
| | - B Curtin
- Google Research, Mountain View, CA, USA
| | - A G Dau
- Google Research, Mountain View, CA, USA
| | | | | | - S Demura
- Google Research, Mountain View, CA, USA
| | | | | | | | | | - L Faoro
- Google Research, Mountain View, CA, USA
| | - E Farhi
- Google Research, Mountain View, CA, USA
| | - R Fatemi
- Google Research, Mountain View, CA, USA
| | | | | | - E Forati
- Google Research, Mountain View, CA, USA
| | | | - B Foxen
- Google Research, Mountain View, CA, USA
| | - É Genois
- Google Research, Mountain View, CA, USA
| | - W Giang
- Google Research, Mountain View, CA, USA
| | - C Gidney
- Google Research, Mountain View, CA, USA
| | - D Gilboa
- Google Research, Mountain View, CA, USA
| | | | - R Gosula
- Google Research, Mountain View, CA, USA
| | - J A Gross
- Google Research, Mountain View, CA, USA
| | | | - M C Hamilton
- Google Research, Mountain View, CA, USA
- Department of Electrical and Computer Engineering, Auburn University, Auburn, AL, USA
| | - M Hansen
- Google Research, Mountain View, CA, USA
| | | | | | - P Heu
- Google Research, Mountain View, CA, USA
| | | | - S Hong
- Google Research, Mountain View, CA, USA
| | - T Huang
- Google Research, Mountain View, CA, USA
| | - A Huff
- Google Research, Mountain View, CA, USA
| | | | - L B Ioffe
- Google Research, Mountain View, CA, USA
| | | | - J Iveland
- Google Research, Mountain View, CA, USA
| | - E Jeffrey
- Google Research, Mountain View, CA, USA
| | - Z Jiang
- Google Research, Mountain View, CA, USA
| | - C Jones
- Google Research, Mountain View, CA, USA
| | - P Juhas
- Google Research, Mountain View, CA, USA
| | - D Kafri
- Google Research, Mountain View, CA, USA
| | | | - T Khattar
- Google Research, Mountain View, CA, USA
| | - M Khezri
- Google Research, Mountain View, CA, USA
| | - M Kieferová
- Google Research, Mountain View, CA, USA
- Centre for Quantum Software and Information (QSI), Faculty of Engineering and Information Technology, University of Technology Sydney, Sydney, NSW, Australia
| | - S Kim
- Google Research, Mountain View, CA, USA
| | - A Kitaev
- Google Research, Mountain View, CA, USA
| | - A R Klots
- Google Research, Mountain View, CA, USA
| | - A N Korotkov
- Google Research, Mountain View, CA, USA
- Department of Electrical and Computer Engineering, University of California, Riverside, CA, USA
| | | | | | | | - P Laptev
- Google Research, Mountain View, CA, USA
| | - K-M Lau
- Google Research, Mountain View, CA, USA
| | - L Laws
- Google Research, Mountain View, CA, USA
| | - J Lee
- Google Research, Mountain View, CA, USA
- Department of Chemistry, Columbia University, New York, NY, USA
| | - K W Lee
- Google Research, Mountain View, CA, USA
| | | | | | - A T Lill
- Google Research, Mountain View, CA, USA
| | - W Liu
- Google Research, Mountain View, CA, USA
| | | | | | - O Martin
- Google Research, Mountain View, CA, USA
| | | | - M McEwen
- Google Research, Mountain View, CA, USA
| | | | | | - A Morvan
- Google Research, Mountain View, CA, USA
| | | | | | - M Neeley
- Google Research, Mountain View, CA, USA
| | - C Neill
- Google Research, Mountain View, CA, USA
| | | | - M Newman
- Google Research, Mountain View, CA, USA
| | - J H Ng
- Google Research, Mountain View, CA, USA
| | - A Nguyen
- Google Research, Mountain View, CA, USA
| | - M Nguyen
- Google Research, Mountain View, CA, USA
| | - M Y Niu
- Google Research, Mountain View, CA, USA
| | | | | | | | - R Potter
- Google Research, Mountain View, CA, USA
| | - L P Pryadko
- Google Research, Mountain View, CA, USA
- Department of Physics and Astronomy, University of California, Riverside, CA, USA
| | | | - C Rocque
- Google Research, Mountain View, CA, USA
| | - N C Rubin
- Google Research, Mountain View, CA, USA
| | - N Saei
- Google Research, Mountain View, CA, USA
| | - D Sank
- Google Research, Mountain View, CA, USA
| | | | | | | | | | | | - A Shorter
- Google Research, Mountain View, CA, USA
| | - N Shutty
- Google Research, Mountain View, CA, USA
| | - V Shvarts
- Google Research, Mountain View, CA, USA
| | - J Skruzny
- Google Research, Mountain View, CA, USA
| | - W C Smith
- Google Research, Mountain View, CA, USA
| | - R Somma
- Google Research, Mountain View, CA, USA
| | | | - D Strain
- Google Research, Mountain View, CA, USA
| | - M Szalay
- Google Research, Mountain View, CA, USA
| | - A Torres
- Google Research, Mountain View, CA, USA
| | - G Vidal
- Google Research, Mountain View, CA, USA
| | | | | | - T White
- Google Research, Mountain View, CA, USA
| | - B W K Woo
- Google Research, Mountain View, CA, USA
| | - C Xing
- Google Research, Mountain View, CA, USA
| | - Z J Yao
- Google Research, Mountain View, CA, USA
| | - P Yeh
- Google Research, Mountain View, CA, USA
| | - J Yoo
- Google Research, Mountain View, CA, USA
| | - G Young
- Google Research, Mountain View, CA, USA
| | - A Zalcman
- Google Research, Mountain View, CA, USA
| | - Y Zhang
- Google Research, Mountain View, CA, USA
| | - N Zhu
- Google Research, Mountain View, CA, USA
| | - N Zobrist
- Google Research, Mountain View, CA, USA
| | - H Neven
- Google Research, Mountain View, CA, USA
| | - R Babbush
- Google Research, Mountain View, CA, USA
| | - D Bacon
- Google Research, Mountain View, CA, USA
| | - S Boixo
- Google Research, Mountain View, CA, USA
| | - J Hilton
- Google Research, Mountain View, CA, USA
| | - E Lucero
- Google Research, Mountain View, CA, USA
| | - A Megrant
- Google Research, Mountain View, CA, USA
| | - J Kelly
- Google Research, Mountain View, CA, USA
| | - Y Chen
- Google Research, Mountain View, CA, USA
| | - P Roushan
- Google Research, Mountain View, CA, USA
| | | | - D A Abanin
- Google Research, Mountain View, CA, USA
- Department of Theoretical Physics, University of Geneva, Geneva, Switzerland
- Department of Physics, Princeton University, Princeton, NJ, USA
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4
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Kleis-Olsen AS, Farlov JE, Petersen EA, Schmücker M, Flensted-Jensen M, Blom I, Ingersen A, Hansen M, Helge JW, Dela F, Larsen S. Metabolic flexibility in postmenopausal women: Hormone replacement therapy is associated with higher mitochondrial content, respiratory capacity, and lower total fat mass. Acta Physiol (Oxf) 2024:e14117. [PMID: 38404156 DOI: 10.1111/apha.14117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/24/2024] [Accepted: 02/07/2024] [Indexed: 02/27/2024]
Abstract
AIM To investigate effects of hormone replacement therapy in postmenopausal women on factors associated with metabolic flexibility related to whole-body parameters including fat oxidation, resting energy expenditure, body composition and plasma concentrations of fatty acids, glucose, insulin, cortisol, and lipids, and for the mitochondrial level, including mitochondrial content, respiratory capacity, efficiency, and hydrogen peroxide emission. METHODS 22 postmenopausal women were included. 11 were undergoing estradiol and progestin treatment (HT), and 11 were matched non-treated controls (CONT). Peak oxygen consumption, maximal fat oxidation, glycated hemoglobin, body composition, and resting energy expenditure were measured. Blood samples were collected at rest and during 45 min of ergometer exercise (65% VO2 peak). Muscle biopsies were obtained at rest and immediately post-exercise. Mitochondrial respiratory capacity, efficiency, and hydrogen peroxide emission in permeabilized fibers and isolated mitochondria were measured, and citrate synthase (CS) and 3-hydroxyacyl-CoA dehydrogenase (HAD) activity were assessed. RESULTS HT showed higher absolute mitochondrial respiratory capacity and post-exercise hydrogen peroxide emission in permeabilized fibers and higher CS and HAD activities. All respiration normalized to CS activity showed no significant group differences in permeabilized fibers or isolated mitochondria. There were no differences in resting energy expenditure, maximal, and resting fat oxidation or plasma markers. HT had significantly lower visceral and total fat mass compared to CONT. CONCLUSION Use of hormone therapy is associated with higher mitochondrial content and respiratory capacity and a lower visceral and total fat mass. Resting energy expenditure and fat oxidation did not differ between HT and CONT.
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Affiliation(s)
- A S Kleis-Olsen
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - J E Farlov
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - E A Petersen
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - M Schmücker
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - M Flensted-Jensen
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - I Blom
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - A Ingersen
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - M Hansen
- Department of Public Health, Section of Sport Science, Aarhus University, Aarhus N, Denmark
| | - J W Helge
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - F Dela
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Geriatrics, Bispebjerg-Frederiksberg University Hospital, Copenhagen, Denmark
- Department of Human Physiology and Biochemistry, Riga Stradiņš University, Riga, Latvia
| | - S Larsen
- Xlab, Center for Healthy Aging, Department of Biomedical Sciences, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
- Clinical Research Centre, Medical University of Bialystok, Bialystok, Poland
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg and Frederiksberg, Copenhagen, Denmark
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5
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Hoke JC, Ippoliti M, Rosenberg E, Abanin D, Acharya R, Andersen TI, Ansmann M, Arute F, Arya K, Asfaw A, Atalaya J, Bardin JC, Bengtsson A, Bortoli G, Bourassa A, Bovaird J, Brill L, Broughton M, Buckley BB, Buell DA, Burger T, Burkett B, Bushnell N, Chen Z, Chiaro B, Chik D, Cogan J, Collins R, Conner P, Courtney W, Crook AL, Curtin B, Dau AG, Debroy DM, Del Toro Barba A, Demura S, Di Paolo A, Drozdov IK, Dunsworth A, Eppens D, Erickson C, Farhi E, Fatemi R, Ferreira VS, Burgos LF, Forati E, Fowler AG, Foxen B, Giang W, Gidney C, Gilboa D, Giustina M, Gosula R, Gross JA, Habegger S, Hamilton MC, Hansen M, Harrigan MP, Harrington SD, Heu P, Hoffmann MR, Hong S, Huang T, Huff A, Huggins WJ, Isakov SV, Iveland J, Jeffrey E, Jiang Z, Jones C, Juhas P, Kafri D, Kechedzhi K, Khattar T, Khezri M, Kieferová M, Kim S, Kitaev A, Klimov PV, Klots AR, Korotkov AN, Kostritsa F, Kreikebaum JM, Landhuis D, Laptev P, Lau KM, Laws L, Lee J, Lee KW, Lensky YD, Lester BJ, Lill AT, Liu W, Locharla A, Martin O, McClean JR, McEwen M, Miao KC, Mieszala A, Montazeri S, Morvan A, Movassagh R, Mruczkiewicz W, Neeley M, Neill C, Nersisyan A, Newman M, Ng JH, Nguyen A, Nguyen M, Niu MY, O’Brien TE, Omonije S, Opremcak A, Petukhov A, Potter R, Pryadko LP, Quintana C, Rocque C, Rubin NC, Saei N, Sank D, Sankaragomathi K, Satzinger KJ, Schurkus HF, Schuster C, Shearn MJ, Shorter A, Shutty N, Shvarts V, Skruzny J, Smith WC, Somma R, Sterling G, Strain D, Szalay M, Torres A, Vidal G, Villalonga B, Heidweiller CV, White T, Woo BWK, Xing C, Yao ZJ, Yeh P, Yoo J, Young G, Zalcman A, Zhang Y, Zhu N, Zobrist N, Neven H, Babbush R, Bacon D, Boixo S, Hilton J, Lucero E, Megrant A, Kelly J, Chen Y, Smelyanskiy V, Mi X, Khemani V, Roushan P. Measurement-induced entanglement and teleportation on a noisy quantum processor. Nature 2023; 622:481-486. [PMID: 37853150 PMCID: PMC10584681 DOI: 10.1038/s41586-023-06505-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 08/01/2023] [Indexed: 10/20/2023]
Abstract
Measurement has a special role in quantum theory1: by collapsing the wavefunction, it can enable phenomena such as teleportation2 and thereby alter the 'arrow of time' that constrains unitary evolution. When integrated in many-body dynamics, measurements can lead to emergent patterns of quantum information in space-time3-10 that go beyond the established paradigms for characterizing phases, either in or out of equilibrium11-13. For present-day noisy intermediate-scale quantum (NISQ) processors14, the experimental realization of such physics can be problematic because of hardware limitations and the stochastic nature of quantum measurement. Here we address these experimental challenges and study measurement-induced quantum information phases on up to 70 superconducting qubits. By leveraging the interchangeability of space and time, we use a duality mapping9,15-17 to avoid mid-circuit measurement and access different manifestations of the underlying phases, from entanglement scaling3,4 to measurement-induced teleportation18. We obtain finite-sized signatures of a phase transition with a decoding protocol that correlates the experimental measurement with classical simulation data. The phases display remarkably different sensitivity to noise, and we use this disparity to turn an inherent hardware limitation into a useful diagnostic. Our work demonstrates an approach to realizing measurement-induced physics at scales that are at the limits of current NISQ processors.
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6
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Andersen TI, Lensky YD, Kechedzhi K, Drozdov IK, Bengtsson A, Hong S, Morvan A, Mi X, Opremcak A, Acharya R, Allen R, Ansmann M, Arute F, Arya K, Asfaw A, Atalaya J, Babbush R, Bacon D, Bardin JC, Bortoli G, Bourassa A, Bovaird J, Brill L, Broughton M, Buckley BB, Buell DA, Burger T, Burkett B, Bushnell N, Chen Z, Chiaro B, Chik D, Chou C, Cogan J, Collins R, Conner P, Courtney W, Crook AL, Curtin B, Debroy DM, Del Toro Barba A, Demura S, Dunsworth A, Eppens D, Erickson C, Faoro L, Farhi E, Fatemi R, Ferreira VS, Burgos LF, Forati E, Fowler AG, Foxen B, Giang W, Gidney C, Gilboa D, Giustina M, Gosula R, Dau AG, Gross JA, Habegger S, Hamilton MC, Hansen M, Harrigan MP, Harrington SD, Heu P, Hilton J, Hoffmann MR, Huang T, Huff A, Huggins WJ, Ioffe LB, Isakov SV, Iveland J, Jeffrey E, Jiang Z, Jones C, Juhas P, Kafri D, Khattar T, Khezri M, Kieferová M, Kim S, Kitaev A, Klimov PV, Klots AR, Korotkov AN, Kostritsa F, Kreikebaum JM, Landhuis D, Laptev P, Lau KM, Laws L, Lee J, Lee KW, Lester BJ, Lill AT, Liu W, Locharla A, Lucero E, Malone FD, Martin O, McClean JR, McCourt T, McEwen M, Miao KC, Mieszala A, Mohseni M, Montazeri S, Mount E, Movassagh R, Mruczkiewicz W, Naaman O, Neeley M, Neill C, Nersisyan A, Newman M, Ng JH, Nguyen A, Nguyen M, Niu MY, O’Brien TE, Omonije S, Petukhov A, Potter R, Pryadko LP, Quintana C, Rocque C, Rubin NC, Saei N, Sank D, Sankaragomathi K, Satzinger KJ, Schurkus HF, Schuster C, Shearn MJ, Shorter A, Shutty N, Shvarts V, Skruzny J, Smith WC, Somma R, Sterling G, Strain D, Szalay M, Torres A, Vidal G, Villalonga B, Heidweiller CV, White T, Woo BWK, Xing C, Yao ZJ, Yeh P, Yoo J, Young G, Zalcman A, Zhang Y, Zhu N, Zobrist N, Neven H, Boixo S, Megrant A, Kelly J, Chen Y, Smelyanskiy V, Kim EA, Aleiner I, Roushan P. Non-Abelian braiding of graph vertices in a superconducting processor. Nature 2023; 618:264-269. [PMID: 37169834 DOI: 10.1038/s41586-023-05954-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 03/14/2023] [Indexed: 06/09/2023]
Abstract
Indistinguishability of particles is a fundamental principle of quantum mechanics1. For all elementary and quasiparticles observed to date-including fermions, bosons and Abelian anyons-this principle guarantees that the braiding of identical particles leaves the system unchanged2,3. However, in two spatial dimensions, an intriguing possibility exists: braiding of non-Abelian anyons causes rotations in a space of topologically degenerate wavefunctions4-8. Hence, it can change the observables of the system without violating the principle of indistinguishability. Despite the well-developed mathematical description of non-Abelian anyons and numerous theoretical proposals9-22, the experimental observation of their exchange statistics has remained elusive for decades. Controllable many-body quantum states generated on quantum processors offer another path for exploring these fundamental phenomena. Whereas efforts on conventional solid-state platforms typically involve Hamiltonian dynamics of quasiparticles, superconducting quantum processors allow for directly manipulating the many-body wavefunction by means of unitary gates. Building on predictions that stabilizer codes can host projective non-Abelian Ising anyons9,10, we implement a generalized stabilizer code and unitary protocol23 to create and braid them. This allows us to experimentally verify the fusion rules of the anyons and braid them to realize their statistics. We then study the prospect of using the anyons for quantum computation and use braiding to create an entangled state of anyons encoding three logical qubits. Our work provides new insights about non-Abelian braiding and, through the future inclusion of error correction to achieve topological protection, could open a path towards fault-tolerant quantum computing.
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7
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Schmeisser A, Rauwolf T, Tanev I, Meissler S, Hansen M, Groscheck T, Luani B, Steendijk P, Braun-Dullaeus R. The hemodynamic and prognostic impact of systolic pressure change during right ventricular ejection in patients with HFREF. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background and purpose
The gold-standard method to evaluate right ventricular (RV) function in pulmonary hypertension (PH) relies on invasive pressure-volume loop (PV-loop) measurement of RV-pulmonary artery (PA) coupling defined as the ratio of end-systolic RV elastance to pulmonary arterial elastance (Ees/Ea). The normal RV PV-loop has a triangular shape with a peaking early systolic pressure (early-SP). With progression of PH the PV-loop changes from trapezoid to a rectangular and ultimately to a trapezoid shape. Along with these geometric changes, the ratio between early-SP and end-systolic pressure (ESP) decreases from >1 to <1 with a late systolic peaking of RV pressure. How all these changes relate to RV afterload, RV-PA coupling, non-invasive RV function, and prognosis in PH due to left heart disease is incomplete understood.
Methods
We analyzed and categorized the conductance catheter-derived single-beat RV PV-loops in 133 patients with HFREF (110 patients: a post-hoc analysis of the Magdeburg CRT Responder Trial, 23 from a local PV-L-derived CRT-optimization trial) according their shape (triangular, rectangular, trapezoid), and determined the early-SP/ESP ratio.
Results
Using multivariate linear regression analysis (adjusted for afterload parameter PVR, PA-compliance, PCWP, PAmean), only PCWP (beta=−0.17) and PA-compliance (beta=0.61) remained significant determinants of the early-SP/ESP ratio and PV-loop shape. In turn, early-SP/ESP ratio seems to be an important determinant of RV-PA coupling efficiency (Ees/Ea) of the RV to afterload (r=0.8, p<0.001). The association between early-SP/ESP ratio and Ees/Ea ratio was closer than Ees/Ea ratio to the other afterload parameters Ea (r=−0.7), PVR (r=−0.41), and PA-compliance (r=0.62). Furthermore, the early-SP/ESP ratio was significantly associated with parameters of non-invasive RV function such as TAPSE (r=0.67), FAC (r=0.76), RVEF (r=0.7), and the non-invasive RV-PA coupling parameter TAPSE/PASP (r=0.8) (all p<0.001). In cox regression analysis, the early-SP/ESP ratio was a strong indicator for long-term survival (median FU 4.2 years) (OR 0.025, CI 95% 0.007–0.09). Simple categorization of the RV PV-loop shapes into “triangular” (early-SP/ESP ratio >1.1, mean survival 7.7 years), “rectangular” (0.9–1.1, 6.4 years) and “trapezoid” (<0.9, 3.2 years) clearly differentiated long-term survival of HFREF patients (log rank, Chi square 50.1, p<0.001).
Conclusion
The early-SP/ESP ratio determines the shape of RV-PV-loops and is closely associated with predominately pulsatile PA load, RV-PA coupling capacity, RV function, and long-term prognosis of patients with HFREF.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): Boston Scientific
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Affiliation(s)
- A Schmeisser
- Otto-von-Guericke University of Magdeburg, Cardiology , Magdeburg , Germany
| | - T Rauwolf
- Otto-von-Guericke University of Magdeburg, Cardiology , Magdeburg , Germany
| | - I Tanev
- Otto-von-Guericke University of Magdeburg, Cardiology , Magdeburg , Germany
| | - S Meissler
- Otto-von-Guericke University of Magdeburg, Cardiology , Magdeburg , Germany
| | - M Hansen
- Otto-von-Guericke University of Magdeburg, Cardiology , Magdeburg , Germany
| | - T Groscheck
- Otto-von-Guericke University of Magdeburg, Cardiology , Magdeburg , Germany
| | - B Luani
- Otto-von-Guericke University of Magdeburg, Cardiology , Magdeburg , Germany
| | - P Steendijk
- Leiden University Medical Center, Cardiology , Leiden , The Netherlands
| | - R Braun-Dullaeus
- Otto-von-Guericke University of Magdeburg, Cardiology , Magdeburg , Germany
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8
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Barkauskas C, Mylonakis E, Poulakou G, Young BE, Vock DM, Siegel L, Engen N, Grandits G, Mosaly NR, Vekstein AM, Rogers R, Shehadeh F, Kaczynski M, Mylona EK, Syrigos KN, Rapti V, Lye DC, Hui DS, Leither L, Knowlton KU, Jain MK, Marines-Price R, Osuji A, Overcash JS, Kalomenidis I, Barmparessou Z, Waters M, Zepeda K, Chen P, Torbati S, Kiweewa F, Sebudde N, Almasri E, Hughes A, Bhagani SR, Rodger A, Sandkovsky U, Gottlieb RL, Nnakelu E, Trautner B, Menon V, Lutaakome J, Matthay M, Robinson P, Protopapas K, Koulouris N, Kimuli I, Baduashvili A, Braun DL, Günthard HF, Ramachandruni S, Kidega R, Kim K, Hatlen TJ, Phillips AN, Murray DD, Jensen TO, Padilla ML, Accardi EX, Shaw-Saliba K, Dewar RL, Teitelbaum M, Natarajan V, Laverdure S, Highbarger HC, Rehman MT, Vogel S, Vallée D, Crew P, Atri N, Schechner AJ, Pett S, Hudson F, Badrock J, Touloumi G, Brown SM, Self WH, North CM, Ginde AA, Chang CC, Kelleher A, Nagy-Agren S, Vasudeva S, Looney D, Nguyen HH, Sánchez A, Weintrob AC, Grund B, Sharma S, Reilly CS, Paredes R, Bednarska A, Gerry NP, Babiker AG, Davey VJ, Gelijns AC, Higgs ES, Kan V, Matthews G, Argyraki K, Lourida P, Bakakos P, Vlachakos V, Balis E, Zakynthinos S, Sigala I, Gianniou N, Dima E, Magkouta S, Thompson BT, Synolaki E, Konstanta S, Vlachou M, Stathopoulou P, Panagopoulos P, Petrakis V, Papazoglou D, Tompaidou E, Isaakidou E, Leontis K, Legenne P, Nitsotolis T, Athanasiou K, Myrodia M, Kyriakoulis K, Trontzas I, Arfara-Melanini M, Kolonia V, Kityo C, Mugerwa H, Lukaakome J, Chandra R, Nsereko C, Lubega G, Kibirige M, Nakahima W, Wangi D, Aguti E, Generous L, Massa R, Nalaki M, Magala F, Lane HC, Nabaggala PK, Kityo C, Mugerwa H, Faith OD, Florence A, Emmanuel O, Beacham MP, Geoffrey A, Nakiboneka D, Apiyo P, Neaton JD, Kiweewa F, Kirenga B, Kimuli I, Atukunda A, Muttamba W, Remmy K, Segawa I, Pheona N, Kigere D, Mbabazi QL, Lundgren JD, Boersalino L, Nyakoolo G, Kiweewa F, Fred A, Alupo A, Ebong D, Monday E, Nalubwama RN, Kainja M, Ambrose M, Barkauskas C, Kwehayo V, Nalubega MG, Ongoli A, Obbo S, Alaba J, Magombe G, Tino H, Obonya E, Lutaakome J, Kitonsa J, Mylonakis E, Onyango M, Naboth T, Naluyinda H, Nanyunja R, Irene M, Jane B, Wimfred K, Leonar S, Deus T, Babra N, Poulakou G, Taire P, Lutaakone J, Nabankema E, Ogavu J, Mugerwa O, Okoth I, Mwebaze R, Mugabi T, Makhoba A, Arikiriza P, Young BE, Theresa N, Nakayima H, Frank K, Ramgi P, Pereira K, Osinusi A, Cao H, Stumpp M, Goncalves S, Ramanathan K, Vock DM, Baseler B, Holley HP, Jankelevich S, Adams A, Becker N, Dolney S, Hissey D, Simpson S, Kim MH, Beeler J, Siegel L, Harmon L, Asomah M, Jato Y, Stottlemyer A, Tang O, Vanderpuye S, Yeon L, Buehn M, Eccard-Koons V, Frary S, Engen N, MacDonald L, Cash J, Hoopengardner L, Linton J, Schaffhauser M, Nelson M, Spinelli-Nadzam M, Proffitt C, Lee C, Engel T, Grandits G, Fontaine L, Osborne C, Hohn M, Galcik M, Thompson D, Chang W, Sherman BT, Rupert AW, Baseler M, Lallemand P, Mosaly NR, Imamichi T, Paudel S, Cook K, Haupt K, Highbarger J, Hazen A, Badralmaa Y, Smith K, Patel B, Kubernac R, Vekstein AM, Hoover ML, Brown C, DuChateau N, Ellis S, Flosi A, Fox L, Johnson L, Nelson R, Stojanovic J, Treagus A, Rogers R, Wenner C, Williams R, Shehadeh F, Kaczynski M, Mylona EK, Syrigos KN, Rapti V, Lye DC, Hui DS, Leither L, Knowlton KU, Jain MK, Marines-Price R, Osuji A, Overcash JS, Kalomenidis I, Barmparessou Z, Waters M, Zepeda K, Chen P, Torbati S, Kiweewa F, Sebudde N, Almasri E, Hughes A, Bhagani SR, Rodger A, Sandkovsky U, Gottlieb RL, Nnakelu E, Trautner B, Menon V, Lutaakome J, Matthay M, Robinson P, Protopapas K, Koulouris N, Kimuli I, Baduashvili A, Braun DL, Günthard HF, Ramachandruni S, Kidega R, Kim K, Hatlen TJ, Phillips AN, Murray DD, Jensen TO, Padilla ML, Accardi EX, Shaw-Saliba K, Dewar RL, Teitelbaum M, Natarajan V, Laverdure S, Highbarger HC, Rehman MT, Vogel S, Vallée D, Crew P, Atri N, Schechner AJ, Pett S, Hudson F, Badrock J, Touloumi G, Brown SM, Self WH, North CM, Ginde AA, Chang CC, Kelleher A, Nagy-Agren S, Vasudeva S, Looney D, Nguyen HH, Sánchez A, Weintrob AC, Grund B, Sharma S, Reilly CS, Paredes R, Bednarska A, Gerry NP, Babiker AG, Davey VJ, Gelijns AC, Higgs ES, Kan V, Matthews G, Thompson BT, Legenne P, Chandra R, Lane HC, Neaton JD, Lundgren JD, Sahner D, Tierney J, Herpin BR, Smolskis MC, McKay LA, Cahill K, Sardana R, Raim SS, Hensely L, Lorenzo J, Mock R, Zuckerman J, Miller M, Chung L, Kang N, Adam SJ, Read S, Draghia-Akli R, Carlsen A, Carter A, Denning E, DuChene A, Eckroth K, Frase A, Gandits G, Harrison M, Kaiser P, Koopmeiners J, Meger S, Murray T, Quan K, Quan SF, Thompson G, Walski J, Wentworth D, Moskowitz AJ, Bagiella E, Moquete E, O’Sullivan K, Marks ME, Kinzel E, Burris S, Bedoya G, Gupta L, Overbey JR, Padillia ML, Santos M, Gillinov MA, Miller MA, Taddei-Peters WC, Fenton K, Mack M, Berhe M, Haley C, Dishner E, Bettacchi C, Golden K, Duhaime E, Ryan M, Burris S, Tallmadge C, Estrada L, Jones F, Villa S, Wang S, Robert R, Coleman T, Clariday L, Baker R, Hurutado-Rodriguez M, Iram N, Fresnedo M, Davis A, Leonard K, Ramierez N, Thammavong J, Duque K, Turner E, Fisher T, Robinson D, Ransom D, Maldonado N, Lusk E, Killian A, Palacious A, Solis E, Jerrow J, Watts M, Whitacre H, Cothran E, Smith PK, Ko ER, Dreyer GR, Stafford N, Brooks M, Der T, Witte M, Gamarallage R, Franzone J, Ivey N, Lumsden RH, Mourad A, Holland TL, Motta M, Lane K, McGowan LM, Stout J, Aloor H, Bragg KM, Toledo B, McLendon-Arvik B, Bussadori B, Hollister BA, Griffin M, Giangiacomo DM, Rodriguez V, Parrino PE, Spindel S, Bansal A, Baumgarten K, Hand J, Vonderhaar D, Nossaman B, Laudun S, Ames D, Broussard S, Hernandez N, Isaac G, Dinh H, Zheng Y, Tran S, McDaniel H, Crovetto N, Perin E, Costello B, Manian P, Sohail MR, Postalian A, Hinsu P, Watson C, Chen J, Fink M, Sturgis L, Kim W, Mahon K, Parenti J, Kappenman C, Knight A, Sturek JM, Barros A, Enfield KB, Kadl A, Green CJ, Simon RM, Fox A, Thornton K, Adams A, Traverse JH, Rhame F, Huelster J, Kethireddy R, Salamanca J, Majeski C, Skelton P, Zarambo M, Sarafolean A, Oldmixon C, Ringwood N, Muzikansky A, Morse R, Brower RG, Reineck LA, Aggarwal NR, Bienstock K, Steingrub JH, Hou PK, Steingrub JS, Tidswell MA, Kozikowski LA, Kardos C, DeSouza L, Romain S, Talmor D, Shapiro N, Andromidas K, Banner-Goodspeed V, Bolstad M, Boyle KL, Cabrera P, deVilla A, Ellis JC, Grafals A, Hayes S, Higgins C, Kurt L, Kurtzman N, Redman K, Rosseto E, Scaffidi D, Shapiro N, Talmor D, Filbin MR, Hibbert KA, Parry B, Margolin J, Hillis B, Hamer R, Jones AE, Galbraith J, Nandi U, Hendey G, Matthay MA, Kangelaris K, Ashktorab K, Gropper R, Agrawal A, Almasri E, Fayed M, Hubel KA, Garcia RL, Lim GW, Chang SY, Hendey G, Lin MY, Vargas J, Sihota H, Beutler R, Rogers AJ, Wilson JG, Vojnik R, Perez C, McDowell JH, Albertson T, Hardy E, Harper R, Moss MA, Ginde AA, Chauhan L, Douin DJ, Martinez F, Finck LL, Bastman J, Hyzy RC, Park PK, Hyzy RC, Park PK, Nelson K, McSparron JI, Co IN, Wang BR, Jimenez J, 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Vjecha MJ, Osuji A, Agbor BTA, Petersen T, Kamel D, Hansen L, Garcia A, Cha C, Mozaffari A, Hernandez R, Jain MK, Agbor BTA, Petersen T, Kamel D, Hansen L, Garcia A, Kim M, DellaValle N, Gonzales S, Somboonwit C, Oxner A, Guerra L, Tran T, Pinto A, Anderson B, Zepeda-Gutierrez A, Martin D, Temblador C, Cuenca A, Guerrero M, Daar E, Correa R, Hartnell G, Wortmann G, Doshi S, Moriarty T, Gonzales M, Garman K, Baker JV, Frosch A, Goldsmith R, Jibrell H, Lo M, Klaphake J, Mackedanz S, Ngo L, Garcia-Myers K, Kunisaki KM, Hassler M, Walquist M, Augenbraun M, Dehovitz J, Abassi M, Leuck AM, Rao V, Biswas K, Harrington C, Garcia A, Bremer T, Burke T, Koker B, Davis-Karim A, Pittman D, Vasudeva SS, Pandit L, Hines-Munson C, Van J, Dillon L, Wang Y, Ochalek T, Caldwell E, Humerickhouse E, Boone D, McGraw W, Mehta SR, Johns ST, John MS, Raceles J, Sear E, Funk S, Cesarini R, Fang M, Nicalo K, Drake W, Jones B, Holtman T, Maniar A, Johnson EA, Nguyen L, Tran MT, Barrett TW, Johnston T, Huggins JT, 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Nielsen AD, Nielsen H, Thisted RK, Petersen KT, Juhl MR, Podlekareva D, Johnsen S, Wiese L, Knudsen LS, Expósito M, Badillo J, Martínez A, Abad E, Chamorro A, Mateu L, España S, Lucero MC, Santos JR, Lladós G, Lopez C, Carabias L, Fernández-Cruz E, Di Natale M, Padure S, Gomez J, Ausin C, Cervilla E, Balastegui H, Sainz CR, Lopez P, Escobar M, Balerdi L, Legarda A, Roldan M, Letona L, Muñoz J, Arribas JR, Sánchez RM, Díaz-Pollán B, Stewart SM, Garcia I, Borobia A, Estrada V, Cabello N, Nuñez-Orantos M, Sagastagoitia I, Homen J, Orviz E, Montalvá AS, Espinosa-Pereiro J, Bosch-Nicolau P, Salvador F, Morales-Rull JL, Pena AMM, Acosta C, Solé-Felip C, West E, M’Rabeth-Bensalah K, Eichinger ML, Grüttner-Durmaz M, Grube C, Zink V, Goes J, Tsertsvadze T, Abutidze A, Chkhartishvili N, Metchurtchlishvili R, Endeladze M, Paciorek M, Bursa D, Krogulec D, Pulik P, Ignatowska A, Fishchuk R, Kobrynska O, Levandovska K, Kirieieva I, Kuziuk M, Polizzotto M, Carey C, Dharan NJ, Hough S, Virachit S, Davidson S, Bice DJ, Ognenovska K, Cabrera G, Flynn R, Chia PY, Lee TH, Lin RJ, Ong SW, Puah SH, Yeo TW, Ongko J, Yeo HP, Kwaghe V, Zaiyad H, Idoko G, Uche B, Selvamuthu P, Kumarasamy N, Beulah FE, Govindarajan N, Mariyappan K, Losso MH, Abela C, Moretto R, Belloc CG, Ludueña J, Amar J, Losso MH, Toibaro J, Macias LM, Fernandez L, Frare PS, Chaio SR, Pachioli V, Timpano SM, Sanchez MDL, Sierra MDP, Stanek V, Belloso W, Cilenti FL, Valentini RN, Stryjewski ME, Locatelli N, Riera MCS, Salgado C, Baeck IM, Di Castelnuovo V, Zarza SM, Parmar MK, Goodman AL, Gregory A, Goodall K, Harris N, Wyncoll J, Luntiel A, Patterson C, Morales J, Witele E, Preston A, Nandani A, Price D, Nell J, Patel B, Hays C, Jones G, Davidson J, Pantazis N, Gioukari V, Souliou T, Antoniadou A, Kavatha D, Grigoropoulou S, Tziolos R, Oikonomopoulo C, Moschopoulos C, Tzimopoulos K, Koromilias A. Efficacy and Safety of Ensovibep for Adults Hospitalized With COVID-19 : A Randomized Controlled Trial. Ann Intern Med 2022; 175:1266-1274. [PMID: 35939810 PMCID: PMC9384272 DOI: 10.7326/m22-1503] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Ensovibep (MP0420) is a designed ankyrin repeat protein, a novel class of engineered proteins, under investigation as a treatment of SARS-CoV-2 infection. OBJECTIVE To investigate if ensovibep, in addition to remdesivir and other standard care, improves clinical outcomes among patients hospitalized with COVID-19 compared with standard care alone. DESIGN Double-blind, randomized, placebo-controlled, clinical trial. (ClinicalTrials.gov: NCT04501978). SETTING Multinational, multicenter trial. PARTICIPANTS Adults hospitalized with COVID-19. INTERVENTION Intravenous ensovibep, 600 mg, or placebo. MEASUREMENTS Ensovibep was assessed for early futility on the basis of pulmonary ordinal scores at day 5. The primary outcome was time to sustained recovery through day 90, defined as 14 consecutive days at home or place of usual residence after hospital discharge. A composite safety outcome that included death, serious adverse events, end-organ disease, and serious infections was assessed through day 90. RESULTS An independent data and safety monitoring board recommended that enrollment be halted for early futility after 485 patients were randomly assigned and received an infusion of ensovibep (n = 247) or placebo (n = 238). The odds ratio (OR) for a more favorable pulmonary outcome in the ensovibep (vs. placebo) group at day 5 was 0.93 (95% CI, 0.67 to 1.30; P = 0.68; OR > 1 would favor ensovibep). The 90-day cumulative incidence of sustained recovery was 82% for ensovibep and 80% for placebo (subhazard ratio [sHR], 1.06 [CI, 0.88 to 1.28]; sHR > 1 would favor ensovibep). The primary composite safety outcome at day 90 occurred in 78 ensovibep participants (32%) and 70 placebo participants (29%) (HR, 1.07 [CI, 0.77 to 1.47]; HR < 1 would favor ensovibep). LIMITATION The trial was prematurely stopped because of futility, limiting power for the primary outcome. CONCLUSION Compared with placebo, ensovibep did not improve clinical outcomes for hospitalized participants with COVID-19 receiving standard care, including remdesivir; no safety concerns were identified. PRIMARY FUNDING SOURCE National Institutes of Health.
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Affiliation(s)
| | - Christina Barkauskas
- Division of Pulmonary, Allergy, and Critical Care, Department of Medicine, Duke Health, Durham, North Carolina
| | - Eleftherios Mylonakis
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Garyfallia Poulakou
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | | | - David M Vock
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Lianne Siegel
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Nicole Engen
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Greg Grandits
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | | | | | - Ralph Rogers
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Fadi Shehadeh
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Matthew Kaczynski
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Evangelia K Mylona
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Konstantinos N Syrigos
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - Vasiliki Rapti
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - David C Lye
- National Centre for Infectious Diseases, Tan Tock Seng Hospital, Lee Kong Chian School of Medicine, Singapore
| | - Diong Shiau Hui
- National Centre for Infectious Diseases, Tan Tock Seng Hospital, Singapore
| | - Lindsay Leither
- Division of Pulmonary and Critical Care, Department of Medicine, Intermountain Medical Center, Salt Lake City, Utah
| | - Kirk U Knowlton
- Cardiovascular Department, Intermountain Medical Center, Salt Lake City, Utah
| | - Mamta K Jain
- UT Southwestern Medical Center and Parkland Health and Hospital Systems, Dallas, Texas
| | - Rubria Marines-Price
- UT Southwestern Medical Center and Parkland Health and Hospital Systems, Dallas, Texas
| | - Alice Osuji
- UT Southwestern Medical Center and Parkland Health and Hospital Systems, Dallas, Texas
| | | | - Ioannis Kalomenidis
- 1st Department of Critical Care and Pulmonary Medicine, Medical School, National and Kapodistrian University of Athens, Evaggelismos General Hospital, Athens, Greece
| | - Zafeiria Barmparessou
- 1st Department of Critical Care and Pulmonary Medicine, Medical School, National and Kapodistrian University of Athens, Evaggelismos General Hospital, Athens, Greece
| | | | | | - Peter Chen
- Cedars-Sinai Medical Center, Los Angeles, California
| | - Sam Torbati
- Cedars-Sinai Medical Center, Los Angeles, California
| | | | | | - Eyad Almasri
- University of California, San Francisco-Fresno, Fresno, California
| | - Alyssa Hughes
- University of California, San Francisco-Fresno, Fresno, California
| | | | | | | | | | | | - Barbara Trautner
- Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas
| | - Vidya Menon
- NYC Health + Hospitals/Lincoln, Bronx, New York
| | - Joseph Lutaakome
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene & Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Michael Matthay
- University of California, San Francisco, Medical Center, Fresno, California
| | - Philip Robinson
- Hoag Memorial Hospital Presbyterian, Newport Beach, California
| | - Konstantinos Protopapas
- 4th Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Nikolaos Koulouris
- 1st Respiratory Medicine Department, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - Ivan Kimuli
- Makerere University Lung Institute, Kampala, Uganda
| | - Amiran Baduashvili
- Division of Hospital Medicine, University of Colorado Hospital - Anschutz Medical Campus, Aurora, Colorado
| | - Dominique L Braun
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Huldrych F Günthard
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | | | | | - Kami Kim
- Division of Infectious Diseases, University of South Florida and Global Emerging Diseases Institute, Tampa General Hospital, Tampa, Florida
| | - Timothy J Hatlen
- Lundquist Institute for Biomedical Innovation, Torrance, California
| | | | - Daniel D Murray
- CHIP Center of Excellence for Health, Immunity, and Infections and Department of Infectious Diseases, Rigshospitalet, Copenhagen, Denmark
| | - Tomas O Jensen
- CHIP Center of Excellence for Health, Immunity, and Infections and Department of Infectious Diseases, Rigshospitalet, Copenhagen, and Department of Pulmonary and Infectious Diseases, North Zealand University Hospital, Hillerod, Denmark
| | | | - Evan X Accardi
- Icahn School of Medicine at Mount Sinai, New York, New York
| | - Katy Shaw-Saliba
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
| | - Robin L Dewar
- Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | | | - Ven Natarajan
- Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Sylvain Laverdure
- Laboratory of Human Retrovirology and Immunoinformatics, National Institutes of Health, Frederick, Maryland
| | | | - M Tauseef Rehman
- Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Susan Vogel
- Office of Clinical Research Policy and Regulatory Operations, National Institutes of Health, Bethesda, Maryland
| | - David Vallée
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland
| | - Page Crew
- Collaborative Clinical Research Branch, National Institutes of Health, Bethesda, Maryland
| | - Negin Atri
- Office of Clinical Research Policy and Regulatory Operations, National Institutes of Health, Bethesda, Maryland
| | | | - Sarah Pett
- The Medical Research Council Clinical Trials Unit at University College London, London, England
| | - Fleur Hudson
- The Medical Research Council Clinical Trials Unit at University College London, London, England
| | - Jonathan Badrock
- The Medical Research Council Clinical Trials Unit at University College London, London, England
| | - Giota Touloumi
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Samuel M Brown
- Division of Pulmonary and Critical Care Medicine, Intermountain Medical Center, and Department of Internal Medicine, University of Utah, Murray, Utah
| | - Wesley H Self
- Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Crystal M North
- Division of Pulmonary and Critical Care, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Adit A Ginde
- University of Colorado School of Medicine, Aurora, Colorado
| | - Christina C Chang
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | - Anthony Kelleher
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | | | | | - David Looney
- The Veterans Medical Research Foundation, San Diego, California
| | - Hien H Nguyen
- Veterans Affairs Northern California Health Care System, Sacramento, California
| | | | - Amy C Weintrob
- Infectious Diseases Section, Washington Veterans Affairs Medical Center, Washington, DC
| | - Birgit Grund
- School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Shweta Sharma
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Cavan S Reilly
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Roger Paredes
- Hospital Universitari Germans Trias i Pujol, Badalona, Spain
| | - Agnieszka Bednarska
- Wojewódzki Szpital Zakaźny w Warszawie, Medical University of Warsaw, Warsaw, Poland
| | - Norman P Gerry
- Advanced Biomedical Laboratories, Cinnaminson, New Jersey
| | - Abdel G Babiker
- The Medical Research Council Clinical Trials Unit at University College London, London, England
| | | | - Annetine C Gelijns
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Elizabeth S Higgs
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
| | - Virginia Kan
- Infectious Diseases Section, Veterans Affairs Medical Center, Washington, DC
| | - Gail Matthews
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | - K. Argyraki
- Sotiria General, Medical School, National & Kapodistrian University of Athens
| | - P. Lourida
- Sotiria General Hospital, Medical School, National & Kapodistrian University of Athens
| | - P. Bakakos
- Sotiria General Hospital, Medical School, National & Kapodistrian University of Athens
| | - V. Vlachakos
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - E. Balis
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - S. Zakynthinos
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - I. Sigala
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - N. Gianniou
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - E. Dima
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - S. Magkouta
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - B Taylor Thompson
- Division of Pulmonary and Critical Care, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - E. Synolaki
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - S. Konstanta
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - M. Vlachou
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - P. Stathopoulou
- Evangelismos General Hospital, Medical School, National & Kapodistrian University of Athens
| | - P. Panagopoulos
- Alexandroupolis General Hospital, Medical School, Democritus University of Thrace
| | - V. Petrakis
- Alexandroupolis General Hospital, Medical School, Democritus University of Thrace
| | - D. Papazoglou
- Alexandroupolis General Hospital, Medical School, Democritus University of Thrace
| | - E. Tompaidou
- Alexandroupolis General Hospital, Medical School, Democritus University of Thrace
| | - E. Isaakidou
- Alexandroupolis General Hospital, Medical School, Democritus University of Thrace
| | - K. Leontis
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | | | - T. Nitsotolis
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - K. Athanasiou
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - M.D. Myrodia
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - K. Kyriakoulis
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - I. Trontzas
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - M. Arfara-Melanini
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - V. Kolonia
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - Cissy Kityo
- Uganda SCC, JCRC/MRC/UVRI Uganda Research Unit
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - H Clifford Lane
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
| | | | | | | | | | | | | | | | | | | | | | - James D Neaton
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | | | | | | | | | | | | | | | | | | | | | - Jens D Lundgren
- CHIP Center of Excellence for Health, Immunity, and Infections and Department of Infectious Diseases, Rigshospitalet, Copenhagen, Denmark
| | | | | | | | | | | | | | | | | | | | | | - Christina Barkauskas
- Division of Pulmonary, Allergy, and Critical Care, Department of Medicine, Duke Health, Durham, North Carolina
| | | | | | | | | | | | | | | | | | | | | | - Eleftherios Mylonakis
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | | | | | | | | | | | | | | | | | | | | | - Garyfallia Poulakou
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Patrícia Ramgi
- CISPOC: Centro de Investigaçäo e Treino em Saúde da Polana Caniço, Maputo, Mozambique
| | - Kássia Pereira
- CISPOC: Centro de Investigaçäo e Treino em Saúde da Polana Caniço, Maputo, Mozambique
| | | | - Huyen Cao
- Gilead Sciences, Foster City, California
| | | | | | | | - David M. Vock
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | | | | | | | - Amy Adams
- Leidos Biomedical Research, Frederick, Maryland
| | | | | | | | | | - Mi Ha Kim
- Leidos Biomedical Research, Frederick, Maryland
| | - Joy Beeler
- Leidos Biomedical Research, Frederick, Maryland
| | - Lianne Siegel
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Liam Harmon
- Leidos Biomedical Research, Frederick, Maryland
| | | | - Yvonne Jato
- Leidos Biomedical Research, Frederick, Maryland
| | | | - Olivia Tang
- Leidos Biomedical Research, Frederick, Maryland
| | | | | | - Molly Buehn
- Leidos Biomedical Research, Frederick, Maryland
| | | | - Sadie Frary
- Leidos Biomedical Research, Frederick, Maryland
| | - Nicole Engen
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | | | | | | | | | | | | | | | | | | | | | - Greg Grandits
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | | | | | - Matt Hohn
- Leidos Biomedical Research, Frederick, Maryland
| | | | | | - Weizhong Chang
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Brad T. Sherman
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Adam W. Rupert
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Michael Baseler
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Perrine Lallemand
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | | | - Tom Imamichi
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Sharada Paudel
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Kyndal Cook
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Kendra Haupt
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Jeroen Highbarger
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Allison Hazen
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Yunden Badralmaa
- Frederick National Laboratory for Cancer Research/Leidos Biomedical Research, Frederick, Maryland
| | - Kenneth Smith
- Advanced Biomedical Laboratories, Cinnaminson, New Jersey
| | - Bhakti Patel
- Advanced Biomedical Laboratories, Cinnaminson, New Jersey
| | | | | | | | | | | | | | | | | | | | | | | | | | - Ralph Rogers
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | | | | | - Fadi Shehadeh
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Matthew Kaczynski
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Evangelia K. Mylona
- Division of Infectious Diseases, Rhode Island Hospital and The Miriam Hospital, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Konstantinos N. Syrigos
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - Vasiliki Rapti
- 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - David C. Lye
- National Centre for Infectious Diseases, Tan Tock Seng Hospital, Lee Kong Chian School of Medicine, Singapore
| | - Diong Shiau Hui
- National Centre for Infectious Diseases, Tan Tock Seng Hospital, Singapore
| | - Lindsay Leither
- Division of Pulmonary and Critical Care, Department of Medicine, Intermountain Medical Center, Salt Lake City, Utah
| | - Kirk U. Knowlton
- Cardiovascular Department, Intermountain Medical Center, Salt Lake City, Utah
| | - Mamta K. Jain
- UT Southwestern Medical Center and Parkland Health and Hospital Systems, Dallas, Texas
| | - Rubria Marines-Price
- UT Southwestern Medical Center and Parkland Health and Hospital Systems, Dallas, Texas
| | - Alice Osuji
- UT Southwestern Medical Center and Parkland Health and Hospital Systems, Dallas, Texas
| | | | - Ioannis Kalomenidis
- 1st Department of Critical Care and Pulmonary Medicine, Medical School, National and Kapodistrian University of Athens, Evaggelismos General Hospital, Athens, Greece
| | - Zafeiria Barmparessou
- 1st Department of Critical Care and Pulmonary Medicine, Medical School, National and Kapodistrian University of Athens, Evaggelismos General Hospital, Athens, Greece
| | | | | | - Peter Chen
- Cedars-Sinai Medical Center, Los Angeles, California
| | - Sam Torbati
- Cedars-Sinai Medical Center, Los Angeles, California
| | | | | | - Eyad Almasri
- University of California, San Francisco–Fresno, Fresno, California
| | - Alyssa Hughes
- University of California, San Francisco–Fresno, Fresno, California
| | | | | | | | | | | | - Barbara Trautner
- Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, Houston, Texas
| | - Vidya Menon
- NYC Health + Hospitals/Lincoln, Bronx, New York
| | - Joseph Lutaakome
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene & Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Michael Matthay
- University of California, San Francisco, Medical Center, Fresno, California
| | - Philip Robinson
- Hoag Memorial Hospital Presbyterian, Newport Beach, California
| | - Konstantinos Protopapas
- 4th Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University General Hospital, Athens, Greece
| | - Nikolaos Koulouris
- 1st Respiratory Medicine Department, Medical School, National and Kapodistrian University of Athens, Sotiria General Hospital, Athens, Greece
| | - Ivan Kimuli
- Makerere University Lung Institute, Kampala, Uganda
| | - Amiran Baduashvili
- Division of Hospital Medicine, University of Colorado Hospital - Anschutz Medical Campus, Aurora, Colorado
| | - Dominique L. Braun
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Huldrych F. Günthard
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | | | | | - Kami Kim
- Division of Infectious Diseases, University of South Florida and Global Emerging Diseases Institute, Tampa General Hospital, Tampa, Florida
| | | | | | - Daniel D. Murray
- CHIP Center of Excellence for Health, Immunity, and Infections and Department of Infectious Diseases, Rigshospitalet, Copenhagen, Denmark
| | - Tomas O. Jensen
- CHIP Center of Excellence for Health, Immunity, and Infections and Department of Infectious Diseases, Rigshospitalet, Copenhagen, and Department of Pulmonary and Infectious Diseases, North Zealand University Hospital, Hillerod, Denmark
| | | | | | - Katy Shaw-Saliba
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
| | - Robin L. Dewar
- Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | | | - Ven Natarajan
- Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Sylvain Laverdure
- Laboratory of Human Retrovirology and Immunoinformatics, National Institutes of Health, Frederick, Maryland
| | | | - M. Tauseef Rehman
- Frederick National Laboratory for Cancer Research, Frederick, Maryland
| | - Susan Vogel
- Office of Clinical Research Policy and Regulatory Operations, National Institutes of Health, Bethesda, Maryland
| | - David Vallée
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland
| | - Page Crew
- Collaborative Clinical Research Branch, National Institutes of Health, Bethesda, Maryland
| | - Negin Atri
- Office of Clinical Research Policy and Regulatory Operations, National Institutes of Health, Bethesda, Maryland
| | | | - Sarah Pett
- The Medical Research Council Clinical Trials Unit at University College London, London, England
| | - Fleur Hudson
- The Medical Research Council Clinical Trials Unit at University College London, London, England
| | - Jonathan Badrock
- The Medical Research Council Clinical Trials Unit at University College London, London, England
| | - Giota Touloumi
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Samuel M. Brown
- Division of Pulmonary and Critical Care Medicine, Intermountain Medical Center, and Department of Internal Medicine, University of Utah, Murray, Utah
| | - Wesley H. Self
- Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Crystal M. North
- Division of Pulmonary and Critical Care, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Adit A. Ginde
- University of Colorado School of Medicine, Aurora, Colorado
| | - Christina C. Chang
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | - Anthony Kelleher
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | | | | | - David Looney
- The Veterans Medical Research Foundation, San Diego, California
| | - Hien H. Nguyen
- Veterans Affairs Northern California Health Care System, Sacramento, California
| | | | - Amy C. Weintrob
- Infectious Diseases Section, Washington Veterans Affairs Medical Center, Washington, DC
| | - Birgit Grund
- School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Shweta Sharma
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Cavan S. Reilly
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Roger Paredes
- Hospital Universitari Germans Trias i Pujol, Badalona, Spain
| | - Agnieszka Bednarska
- Wojewódzki Szpital Zakaźny w Warszawie, Medical University of Warsaw, Warsaw, Poland
| | | | - Abdel G. Babiker
- The Medical Research Council Clinical Trials Unit at University College London, London, England
| | | | - Annetine C. Gelijns
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Elizabeth S. Higgs
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
| | - Virginia Kan
- Infectious Diseases Section, Veterans Affairs Medical Center, Washington, DC
| | - Gail Matthews
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | - B. Taylor Thompson
- Division of Pulmonary and Critical Care, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | | | | | - H. Clifford Lane
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
| | - James D. Neaton
- Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota
| | - Jens D. Lundgren
- CHIP Center of Excellence for Health, Immunity, and Infections and Department of Infectious Diseases, Rigshospitalet, Copenhagen, Denmark
| | - David Sahner
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - John Tierney
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Betsey R. Herpin
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Mary C. Smolskis
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Laura A. McKay
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Kelly Cahill
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Ratna Sardana
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Sharon Segal Raim
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Lisa Hensely
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Joshua Lorenzo
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Rebecca Mock
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Judith Zuckerman
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Mark Miller
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Lucy Chung
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Nayon Kang
- Department of Clinical Research, National Institute of Allergy and Infectious Diseases
| | - Stacey J. Adam
- Foundation for the National Institutes of Health, The Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) and Operation Warp Speed
| | - Sarah Read
- Foundation for the National Institutes of Health, The Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) and Operation Warp Speed
| | - Ruxandra Draghia-Akli
- Foundation for the National Institutes of Health, The Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) and Operation Warp Speed
| | - Amy Carlsen
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Anita Carter
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Eileen Denning
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Alain DuChene
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Kate Eckroth
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Alex Frase
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Greg Gandits
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Merrie Harrison
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Payton Kaiser
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Joseph Koopmeiners
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Sue Meger
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Thomas Murray
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Kien Quan
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Siu Fun Quan
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Greg Thompson
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Jamie Walski
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Deborah Wentworth
- INSIGHT SDMC, Division of Biostatistics, School of Public Health and School of Statistics, University of Minnesota, Minneapolis, Minnesota
| | - Alan J. Moskowitz
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Emilia Bagiella
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Ellen Moquete
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Karen O’Sullivan
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Mary E. Marks
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Emily Kinzel
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Sarah Burris
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Gabriela Bedoya
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Lola Gupta
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Jessica R. Overbey
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Maria L. Padillia
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | - Milerva Santos
- Cardiothoracic Surgical Trials Network (CTSN) International Coordinating Center (ICC), Icahn School of Medicine at Mount Sinai, New York
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Amy Adams
- University of Virginia Health Systems
| | | | | | | | | | | | | | | | | | | | - Cathryn Oldmixon
- Prevention and Early Treatment of Acute Lung Injury (PETAL) ICC, Massachusetts General Hospital, Boston, Massachusetts
| | - Nancy Ringwood
- Prevention and Early Treatment of Acute Lung Injury (PETAL) ICC, Massachusetts General Hospital, Boston, Massachusetts
| | - Ariela Muzikansky
- Prevention and Early Treatment of Acute Lung Injury (PETAL) ICC, Massachusetts General Hospital, Boston, Massachusetts
| | - Richard Morse
- Prevention and Early Treatment of Acute Lung Injury (PETAL) ICC, Massachusetts General Hospital, Boston, Massachusetts
| | - Roy G. Brower
- PETAL Steering Committee Chair, Johns Hopkins University
| | | | | | | | - Jay H. Steingrub
- ALIGNE Site Coordinating Center (SCC) Lead Investigators, Baystate Medical Center
| | - Peter K. Hou
- ALIGNE Site Coordinating Center (SCC) Lead Investigators, Brigham and Women's Hospital
| | | | | | | | | | | | | | - Daniel Talmor
- Boston SCC Lead Investigators, Beth Israel Deaconess Medical Center
| | - Nathan Shapiro
- Boston SCC Lead Investigators, Beth Israel Deaconess Medical Center
| | | | | | | | | | | | | | | | | | | | | | - Lisa Kurt
- Beth Israel Deaconess Medical Center
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Gregory Hendey
- California SCC Lead Investigators, David Geffen School of Medicine at UCLA
| | - Michael A. Matthay
- University of California San Francisco, University of San Francisco Mount Zion
| | - Kirsten Kangelaris
- University of California San Francisco, University of San Francisco Mount Zion
| | - Kimia Ashktorab
- University of California San Francisco, University of San Francisco Mount Zion
| | - Rachel Gropper
- University of California San Francisco, University of San Francisco Mount Zion
| | - Anika Agrawal
- University of California San Francisco, University of San Francisco Mount Zion
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Marc A. Moss
- Colorado SCC Lead Investigators, University of Colorado Hospital
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Michelle N. Gong
- Montefiore-Sinai SCC Lead Investigators: Montefiore Medical Center
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Catherine L. Hough
- Pacific Northwest SCC Lead Investigators, Oregon Health & Science University
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Todd W. Rice
- Vanderbilt SCC Lead Investigators, Vanderbilt University Medical Center
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Jim Wong
- Carilion Roanoke Memorial Hospital
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Laura Popielski
- INSIGHT Washington ICC, Veterans Affairs (VA) Medical Center, Washington, DC
| | - Amy Kambo
- INSIGHT Washington ICC, Veterans Affairs (VA) Medical Center, Washington, DC
| | - Kimberley Viens
- INSIGHT Washington ICC, Veterans Affairs (VA) Medical Center, Washington, DC
| | - Melissa Turner
- INSIGHT Washington ICC, Veterans Affairs (VA) Medical Center, Washington, DC
| | - Michael J. Vjecha
- INSIGHT Washington ICC, Veterans Affairs (VA) Medical Center, Washington, DC
| | | | | | | | | | | | | | | | | | | | - Mamta K. Jain
- University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Tianna Petersen
- University of Texas Southwestern Medical Center, Dallas, Texas
| | - Dena Kamel
- University of Texas Southwestern Medical Center, Dallas, Texas
| | - Laura Hansen
- University of Texas Southwestern Medical Center, Dallas, Texas
| | - Angie Garcia
- University of Texas Southwestern Medical Center, Dallas, Texas
| | - Mina Kim
- University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Sonia Gonzales
- University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Asa Oxner
- University of South Florida, Tampa General Hospital
| | - Lucy Guerra
- University of South Florida, Tampa General Hospital
| | - Thanh Tran
- University of South Florida, Tampa General Hospital
| | | | | | | | | | | | - Avon Cuenca
- Lundquist Institute for Biomedical Innovation
| | | | - Eric Daar
- Lundquist Institute for Biomedical Innovation
| | | | | | | | | | | | | | | | - Jason V. Baker
- Hennepin Healthcare Research Institute, Minneapolis, Minnesota
| | - Anne Frosch
- Hennepin Healthcare Research Institute, Minneapolis, Minnesota
| | | | - Hodan Jibrell
- Hennepin Healthcare Research Institute, Minneapolis, Minnesota
| | - Melanie Lo
- Hennepin Healthcare Research Institute, Minneapolis, Minnesota
| | | | - Shari Mackedanz
- Hennepin Healthcare Research Institute, Minneapolis, Minnesota
| | - Linh Ngo
- Hennepin Healthcare Research Institute, Minneapolis, Minnesota
| | | | | | | | | | | | | | | | | | | | | | | | | | - Tammy Bremer
- INSIGHT US Department of Veterans Affairs (VA) ICC
| | - Tara Burke
- INSIGHT US Department of Veterans Affairs (VA) ICC
| | | | | | | | | | | | | | - John Van
- Michael E. DeBakey VA Medical Center, Houston, Texas
| | - Laura Dillon
- Michael E. DeBakey VA Medical Center, Houston, Texas
| | - Yiqun Wang
- Michael E. DeBakey VA Medical Center, Houston, Texas
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Kan Lu
- Veterans Affairs Palo Alto Health Care System
| | | | | | | | | | | | | | | | | | | | - Dorthe Raben
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Bitten Aagaard
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte B. Nielsen
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Katharina Krapp
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Bente Rosdahl Nykjær
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Christina Olsson
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Katja Lisa Kanne
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Anne Louise Grevsen
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Zillah Maria Joensen
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Tina Bruun
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Ane Bojesen
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Frederik Woldbye
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Nick E. Normand
- INSIGHT Copenhagen ICC, CHIP (Centre of Excellence for Health, Immunity and Infections), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Thomas Benfield
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Clara Lundetoft Clausen
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Nichlas Hovmand
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Simone Bastrup Israelsen
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Katrine Iversen
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Caecilie Leding
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Karen Brorup Pedersen
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Louise Thorlacius-Ussing
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Michaela Tinggaard
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | - Sandra Tingsgard
- Denmark Copenhagen University Hospital - Amager and Hvidovre, Center of Research & Disruption of Infectious Diseases, Department of Infectious Diseases
| | | | - Rikke Overgaard
- Herlev-Gentofte Hospital, Respiratory Medicine Section, Department of Internal Medicine
| | - Ema Rastoder
- Herlev-Gentofte Hospital, Respiratory Medicine Section, Department of Internal Medicine
| | - Christian Heerfordt
- Herlev-Gentofte Hospital, Respiratory Medicine Section, Department of Internal Medicine
| | - Caroline Hedsund
- Herlev-Gentofte Hospital, Respiratory Medicine Section, Department of Internal Medicine
| | | | | | | | - Christina Bergsoe
- Herlev-Gentofte Hospital, Respiratory Medicine Section, Department of Internal Medicine
| | | | | | | | | | | | - Inge K. Holden
- Odense University Hospital, Department of Infectious Diseases
| | | | - Marie Helleberg
- Dept. of Infectious Diseases, Rigshospitalet, Copenhagen University Hospital
| | - Jan Gerstoft
- Dept. of Infectious Diseases, Rigshospitalet, Copenhagen University Hospital
| | - Ole Kirk
- Dept. of Infectious Diseases, Rigshospitalet, Copenhagen University Hospital
| | - Tina Bruun
- Dept. of Infectious Diseases, Rigshospitalet, Copenhagen University Hospital
| | | | | | | | | | | | | | | | | | | | - Henrik Nielsen
- Aalborg University Hospital, Department of Infectious Diseases
| | | | | | | | - Daria Podlekareva
- Department of Respiratory Medicine, Bispebjerg Hospital, Copenhagen, Denmark
| | - Stine Johnsen
- Department of Respiratory Medicine, Bispebjerg Hospital, Copenhagen, Denmark
| | - Lothar Wiese
- Department of Infectious Diseases, Zealand University Hospital Roskilde and Department of Internal Medicine, Zealand University Hospital Koge
| | - Lene Surland Knudsen
- Department of Infectious Diseases, Zealand University Hospital Roskilde and Department of Internal Medicine, Zealand University Hospital Koge
| | - Maria Expósito
- Spain INSIGHT SCC Spain, Hospital Universitari Germans Trias i Pujol, Badalona
| | - José Badillo
- Spain INSIGHT SCC Spain, Hospital Universitari Germans Trias i Pujol, Badalona
| | - Ana Martínez
- Spain INSIGHT SCC Spain, Hospital Universitari Germans Trias i Pujol, Badalona
| | - Elena Abad
- Spain INSIGHT SCC Spain, Hospital Universitari Germans Trias i Pujol, Badalona
| | - Ana Chamorro
- Spain INSIGHT SCC Spain, Hospital Universitari Germans Trias i Pujol, Badalona
| | - Lourdes Mateu
- Hospital Universitari Germans Trias i Pujol, Badalona
| | - Sergio España
- Hospital Universitari Germans Trias i Pujol, Badalona
| | | | | | - Gemma Lladós
- Hospital Universitari Germans Trias i Pujol, Badalona
| | | | | | | | | | - Sergiu Padure
- Hospital General Universitario Gregorio Marañón, Madrid
| | - Jimena Gomez
- Hospital General Universitario Gregorio Marañón, Madrid
| | | | - Eva Cervilla
- Hospital General Universitario Gregorio Marañón, Madrid
| | | | | | - Paco Lopez
- Hospital General Universitario Gregorio Marañón, Madrid
| | | | - Leire Balerdi
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona
| | - Almudena Legarda
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona
| | - Montserrat Roldan
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona
| | - Laura Letona
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona
| | - José Muñoz
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona
| | | | | | | | | | | | | | | | | | | | | | | | - E. Orviz
- Hospital Clínico San Carlos, Madrid
| | | | | | | | | | | | | | - Cristina Acosta
- Internal Medicine Department, University Hospital Arnau de Vilanova, Lleida
| | | | - Emily West
- Switzerland Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Khadija M’Rabeth-Bensalah
- Switzerland Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Mareile L. Eichinger
- Switzerland Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Manuela Grüttner-Durmaz
- Switzerland Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Christina Grube
- Switzerland Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Veronika Zink
- Switzerland Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Josefine Goes
- Switzerland Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich and Institute of Medical Virology, University of Zurich, Zurich, Switzerland
| | - Tengiz Tsertsvadze
- Georgia SCC, Infectious Diseases, AIDS and Clinical Immunology Research Center, Tbilisi, Georgia
| | - Akaki Abutidze
- Georgia SCC, Infectious Diseases, AIDS and Clinical Immunology Research Center, Tbilisi, Georgia
| | - Nikoloz Chkhartishvili
- Georgia SCC, Infectious Diseases, AIDS and Clinical Immunology Research Center, Tbilisi, Georgia
| | - Revaz Metchurtchlishvili
- Georgia SCC, Infectious Diseases, AIDS and Clinical Immunology Research Center, Tbilisi, Georgia
| | - Marina Endeladze
- Georgia SCC, Infectious Diseases, AIDS and Clinical Immunology Research Center, Tbilisi, Georgia
| | | | | | | | - Piotr Pulik
- Poland SCC, Wojewodzki Szpital Zakazny Warsaw
| | | | - Roman Fishchuk
- Ukraine Central City Clinical Hospital of Ivano-Frankivsk City, Ukraine
| | - Olena Kobrynska
- Ukraine Central City Clinical Hospital of Ivano-Frankivsk City, Ukraine
| | | | - Ivanna Kirieieva
- Ukraine Central City Clinical Hospital of Ivano-Frankivsk City, Ukraine
| | - Mykhailo Kuziuk
- Ukraine Central City Clinical Hospital of Ivano-Frankivsk City, Ukraine
| | - Mark Polizzotto
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Catherine Carey
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Nila J. Dharan
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Sally Hough
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Sophie Virachit
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Sarah Davidson
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Daniel J. Bice
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Katherine Ognenovska
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Gesalit Cabrera
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | - Ruth Flynn
- INSIGHT Sydney ICC, The Kirby Institute, University of New South Wales, Sydney, Australia
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Marcelo H. Losso
- INSIGHT SCC Argentina, Coordinación en Investigación Clínica Académica en Latinoamérica
| | - Cecilia Abela
- INSIGHT SCC Argentina, Coordinación en Investigación Clínica Académica en Latinoamérica
| | - Renzo Moretto
- INSIGHT SCC Argentina, Coordinación en Investigación Clínica Académica en Latinoamérica
| | - Carlos G. Belloc
- INSIGHT SCC Argentina, Coordinación en Investigación Clínica Académica en Latinoamérica
| | - Jael Ludueña
- INSIGHT SCC Argentina, Coordinación en Investigación Clínica Académica en Latinoamérica
| | - Josefina Amar
- INSIGHT SCC Argentina, Coordinación en Investigación Clínica Académica en Latinoamérica
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Clara Salgado
- Centro de Educacion Medica e Investigaciones Clinicas, Buenos Aires
| | - Ines M. Baeck
- Centro de Educacion Medica e Investigaciones Clinicas, Buenos Aires
| | | | - Stella M. Zarza
- Centro de Educacion Medica e Investigaciones Clinicas, Buenos Aires
| | - Mahesh K.B. Parmar
- INSIGHT London ICC, MRC Clinical Trials Unit at UC, London, United Kingdom
| | - Anna L. Goodman
- INSIGHT London ICC, MRC Clinical Trials Unit at UC, London, United Kingdom
| | - Adam Gregory
- INSIGHT London ICC, MRC Clinical Trials Unit at UC, London, United Kingdom
| | - Katharine Goodall
- INSIGHT London ICC, MRC Clinical Trials Unit at UC, London, United Kingdom
| | - Nicola Harris
- INSIGHT London ICC, MRC Clinical Trials Unit at UC, London, United Kingdom
| | - James Wyncoll
- INSIGHT London ICC, MRC Clinical Trials Unit at UC, London, United Kingdom
| | | | | | | | - E. Witele
- United Kingdom SCC: Royal Free Hospital
| | | | | | | | | | | | | | | | | | - Nikos Pantazis
- Greece SCC, Medical School, National & Kapodistrian University of Athens
| | - Vicky Gioukari
- Greece SCC, Medical School, National & Kapodistrian University of Athens
| | - Tania Souliou
- Greece SCC, Medical School, National & Kapodistrian University of Athens
| | - A. Antoniadou
- Attikon University General Hospital, Medical School, National & Kapodistrian University of Athens
| | - D. Kavatha
- Attikon University General Hospital, Medical School, National & Kapodistrian University of Athens
| | - S. Grigoropoulou
- Attikon University General Hospital, Medical School, National & Kapodistrian University of Athens
| | - R.N. Tziolos
- Attikon University General Hospital, Medical School, National & Kapodistrian University of Athens
| | - C. Oikonomopoulo
- Attikon University General Hospital, Medical School, National & Kapodistrian University of Athens
| | - C. Moschopoulos
- Attikon University General Hospital, Medical School, National & Kapodistrian University of Athens
| | - K. Tzimopoulos
- Sotiria General Hospital, Medical School, National & Kapodistrian University of Athens
| | - A. Koromilias
- Sotiria General Hospital, Medical School, National & Kapodistrian University of Athens
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9
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Erevik C, Kleiven Ø, Froysa V, Bjorkavoll-Bergseth M, Hansen M, Chivulescu M, Klaebo LG, Dejgaard L, Skadberg Ø, Melberg T, Urheim S, Edvardsen T, Haugaa K, Orn S. Novel echocardiographic measures of myocardial work predicts physical performance during prolonged strenuous exercise. Eur J Prev Cardiol 2022. [DOI: 10.1093/eurjpc/zwac056.259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Private company. Main funding source(s): The North Sea Race, Laerdal Foundation
Background
Cardiac function is a major determinant of physical performance. Cardiac function at rest can be assessed by novel echocardiographic parameters of myocardial work. Physical performance can be accurately measured using sensors recording the power output during exercise. There is limited data on the relationship between resting echocardiographic parameters and power measurements during strenuous endurance exercise. The aim of this work was to study the relationship between power output during exercise and echocardiographic parameters of cardiac structure and function at rest, including echocardiographic parameters of myocardial work.
Method
Resting echocardiographic parameters of 40 healthy, middle aged, recreational athletes, were compared with power output recordings during two episodes of endurance exercise of different duration and intensity. The first exercise was a cardiopulmonary exercise (CPX) test, which included both a lactate threshold- and a maximal oxygen uptake test. The second exercise was a 91-km mountain bike leisure sport cycling race. Power output was measured on the bikes using power meters. All study subjects were assessed by echocardiography prior to the CPX test. Coronary Computed Tomography Angiography was performed 1-2 weeks after the race to exclude obstructive coronary artery disease.
Results
Study participants were 51.1 ±9.7 years old (73 % men), median 10.0 (7.0-21.3) years of endurance training, and a median of 10.0 (5.0-20.0) endurance exercise competitions during the past five years. Both left ventricular mass and left atrial volume were in the upper reference range: 84.0 (77.0-96.0) gram/m2, 32.0 ±8.5 mL/m2, and the left ventricles were mildly dilated; 81.6 (69.1-96.5) mL/m2 (end-diastole). Median exercise duration: CPX: 43 (IQR 40-45) minutes, race: 236 (214-268) minutes. Mean heart rate; CPX: 145 ±11 bpm, race: 154 ± 10 bpm. Maximal oxygen uptake (Vo2 max): 41.6 ±9 ml/min/kg. Mean power output: CPX: 2.9 ±0.5 watt/kg, race: 2.1 ±0.5 watt/kg. There were strong bivariate correlations between left atrial and ventricular volumes and performance parameters (Table 1). Left ventricular global longitudinal strain (LV GLS) was correlated with Vo2 max. The myocardial work parameters global wasted work (GWW) and global work efficiency (GWE) were correlated with all performance parameters except Vo2 max. In multivariable linear regression models, except for VO2 max, GWW was the most consistent and strongest predictor of physical performance in all models (Table 2).
Conclusion
The novel echocardiographic parameter of global wasted work (GWW), assessed at rest, was the strongest and most consistent predictor of physical work measured by power meters during prolonged strenuous exercise.
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Affiliation(s)
- C Erevik
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | - Ø Kleiven
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | - V Froysa
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | | | - M Hansen
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | - M Chivulescu
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - LG Klaebo
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - L Dejgaard
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - Ø Skadberg
- Stavanger University Hospital, Department of biochemistry, Stavanger, Norway
| | - T Melberg
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | - S Urheim
- Haukeland University Hospital, Department of Heart Disease, Bergen, Norway
| | - T Edvardsen
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - K Haugaa
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - S Orn
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
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10
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Milligan M, Hansen M, Figueroa J, Orav E, Lam M. Practice Consolidation Among U.S. Radiation Oncologists Over Time. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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11
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Schmeisser A, Rauwolf T, Groscheck T, Fischbach K, Luani B, Kropf S, Tanev I, Hansen M, Meissler S, Schaefer K, Steendijk P, Braun-Dullaeus R. Predictors and prognosis of RV function in pulmonary hypertension due to heart failure with reduced ejection fraction. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background and aims
Failure of right ventricular (RV) function worsens outcome in pulmonary hypertension (PH). The adaptation of RV contractility to afterload, the RV-pulmonary artery (PA) coupling, is defined by the ratio of RV end-systolic to PA elastances (Ees/Ea). Using pressure volume loop (PV-L) technique we aimed to identify an Ees/Ea cutoff predictive for overall survival and to assess hemodynamic and morphologic conditions for adapted RV function in secondary PH due to Heart Failure with Reduced Ejection Fraction (HFREF).
Methods
This post hoc analysis is based on 112 patients of the prospective Magdeburger Resynchronization Responder Trial. All patients underwent right and left heart echocardiography, and a baseline PV-L and RV catheter measurement. A subgroup of patients (n=50) without a pre-implanted cardiac device underwent MRI at baseline.
Results
The analysis revealed that 0.68 is an optimal Ees/Ea cutoff (area under the curve: 0.697, p<0.001) predictive for overall survival (median follow up = 4.7 years, Ees/Ea ≥0.68 vs. <0.68, log-rank 8.9, p=0.003. In patients with PH (n=76, 68%) Multivariate Cox-regression demonstrated the independent prognostic value of RV-Ees/Ea in PH patients (HR 0.2, p<0.038). Patients without PH (n=36, 32%) and those with PH but RV-Ees/Ea ≥0.68 showed comparable RV-Ees/Ea ratios (0.88 vs. 0.9, p=0.39), RV size/function, and survival. In contrast, secondary PH with RV-PA coupling ratio Ees/Ea <0.68 corresponded extremely close to cut-off values that define RV dilatation/remodeling (RVEDV >160ml, RV-mass/volume-ratio <0.37 g/ml) and dysfunction (RVEF <38%, TAPSE <16mm, FAC <42%, and stroke-volume/end-systolic volume ratio <0.59) and is associated with a dramatically increased short and medium-term all-cause mortality. Independent predictors of prognostically unfavorable RV-PA coupling (Ees/Ea <0.68) in secondary PH were a preexistent dilated RV (end-diastolic volume >171ml, odds ratio, OR 0.96, p=0.021), high pulsatile load (PA compliance <2.3 ml/mmHg, OR 8.6, p=0.003), and advanced systolic left heart failure (left ventricular (LV) ejection fraction <30%, OR 1.23, p=0.028).
Conclusions
The RV-PA coupling ratio Ees/Ea predicts overall survival in PH due to HFREF and is mainly affected by pulsatile load, RV remodeling and LV dysfunction. Prognostically favorable coupling (RV-Ees/Ea ≥0.68) in PH was associated with preserved RV size/function and mid-term survival, comparable to HFREF without PH.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): Boston Scientific
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Affiliation(s)
- A Schmeisser
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - T.H Rauwolf
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - T Groscheck
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - K Fischbach
- Otto-von-Guericke University of Magdeburg, Radiology, Magdeburg, Germany
| | - B Luani
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - S Kropf
- University of Magdeburg, Biostatistics, Magdeburg, Germany
| | - I Tanev
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - M Hansen
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - S Meissler
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - K Schaefer
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - P Steendijk
- Leiden University Medical Center, Cardiology, Leiden, Netherlands (The)
| | - R Braun-Dullaeus
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
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12
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Erevik C, Kleiven Ø, Froysa V, Bjorkavoll-Bergseth M, Hansen M, Chivulescu M, Klaboe LG, Dejgaard L, Skadberg O, Melberg T, Urheim S, Haugaa K, Edvardsen T, Orn S. Echocardiographic parameters of myocardial work in relation to prolonged strenuous physical exercise. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Myocardial work (MW) assessed by echocardiography is a novel measure of left ventricular (LV) function. This measure is load-independent, and therefore a more accurate method for assessing LV function when there are changes in loading conditions. The purpose of this study was to examine alterations in MW parameters, blood pressure (BP) and LV global longitudinal strain (LV GLS) in relation to strenuous exercise, and to compare the response between two different physical stress situations.
Methods
59 healthy recreational athletes were assessed by echocardiography before-, immediately- and 24 hours after two episodes of high-intensity endurance exercise. The first exercise was a cardiopulmonary exercise (CPX) test, which included both a stepwise lactate threshold- and a maximal oxygen uptake test. The second exercise was a 91-km mountain bike leisure sport cycling competition. Global work index (GWI), global constructive work (GCW), global wasted work (GWW) and global work efficiency (GWE) were estimated from LV pressure-strain loops, constructed from a combination of LV GLS and non-invasive BP, using commercially available software package (Echopac V.202, GE).
Results
Subjects were 52 (43–59) years old (73% men). The duration of the CPX-test was 43 (40–45) minutes, and the race was 230 (210–245) minutes. The average heart rate during the CPX-test and the race was 144 (140–153) and 154 (148–161) beats per minute (bpm), respectively. The relative changes (percent) in systolic blood pressure (SBP) and LV GLS compared with pre-exercise values are demonstrated in Figure 1a, and GWI and GCW compared with pre-exercise values in Figure 1b. GWI at baseline was 2156 (1899–2400) mmHg% and GCW 2383 (2152–2668) mmHg%. There was a significant reduction in LV GLS (p=0.015), SBP, GWI and GCW following the CPX-test and the race (p<0.001), while there was an increase in heart rate and cardiac output (p<0.001). After the race, there was a significant (p=0.001) increase in GWW, and a reduction (p=0.006) in GWE.
Conclusion
There was a significant reduction in GWI and GCW after both the CPX-test and the race, suggesting that these markers reflect increased myocardial exhaustion following strenuous physical exercise.
Funding Acknowledgement
Type of funding sources: Private grant(s) and/or Sponsorship. Main funding source(s): This work was supported by ConocoPhillips and the Simon Fougner Hartmann Trust Figure 1aFigure 1b
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Affiliation(s)
- C Erevik
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | - Ø Kleiven
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | - V Froysa
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | | | - M Hansen
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | - M Chivulescu
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - L G Klaboe
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - L Dejgaard
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - O Skadberg
- Stavanger University Hospital, Department of biochemistry, Stavanger, Norway
| | - T Melberg
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
| | - S Urheim
- Haukeland University Hospital, Department of Heart Disease, Bergen, Norway
| | - K Haugaa
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - T Edvardsen
- Oslo University Hospital Rikshospitalet, Department of Cardiology, Oslo, Norway
| | - S Orn
- Stavanger University Hospital, Department of Cardiology, Stavanger, Norway
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13
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Kowalczyk E, Kwiatek K, Sloth J, Amlund H, Hansen M. Rare earth element as the emerging contaminants in black tea - risk assessment resulting from the dietary exposure. Toxicol Lett 2021. [DOI: 10.1016/s0378-4274(21)00762-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Lam D, Nadkarni G, Neal B, Mahaffey K, Rosenthal N, Hansen M, COCA S, Heerspink H. POS-223 Clinical Utility of KidneyIntelX in Patients with Early Stages of Diabetic Kidney Disease in CANVAS Participants. Kidney Int Rep 2021. [DOI: 10.1016/j.ekir.2021.03.237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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15
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Nielsen A, Soerensen S, Skaarup K, Djernaes K, Estepar R, Hansen M, Worck R, Johannesen A, Hansen J, Biering-Soerensen T. Left atrial function assessed by speckle tracking echocardiography predicts atrial fibrillation burden after catheter ablation independently of reconduction: a RACE-AF echocardiographic sub-study. Eur Heart J Cardiovasc Imaging 2021. [DOI: 10.1093/ehjci/jeaa356.126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Left atrial (LA) function assessed by 2D speckle tracking echocardiography (STE) has demonstrated to be a useful predictor of recurrence of atrial fibrillation (AF) following catheter ablation (CA). Pulmonary vein reconduction (PVR) is one of the most important causes of recurrent paroxysmal AF (PAF) after ablation. The purpose of this study was to evaluate the association between AF burden (% of time in AF) following CA and LA strain measurements independently of PVR.
Methods
This prospective study included 66 patients with PAF who underwent CA (mean age 60 ± 8 years, 65% male). STE was performed during sinus rhythm prior to CA. AF burden was recorded by continuous rhythm monitoring using implantable loop recorders during a follow-up period of 4-6 months, excluding a blanking period of 3 months. After follow-up, all patients underwent an invasive assessment of pulmonary vein isolation to test for PVR. Multivariable linear regression analysis was used to assess the association between AF burden and peak atrial longitudinal reservoir strain (PALS), peak atrial contraction strain (PACS) and peak atrial conduit strain (PCS).
Results
Prior to CA, median AF burden was 3.8% (IQR: 0.5, 17). During follow-up, 37 patients (56%) were free of AF while median AF burden was 0.7% (IQR: 0.2, 1.6) in patients with an AF burden of more than 0%. A total of 35 patients (54%) were found to have PVR after ablation. Patients with AF recurrence had significantly lower PACS compared to patients with no AF during follow-up (10% ± 6% vs. 14% ± 5%, p = 0.004). No differences in PALS and PCS were observed. Increased PACS remained independently associated with low AF burden following CA after multivariable adjustments for clinical characteristics, comorbidities, and PVR (β=-0.262, p = 0.049) (Figure 1). PALS and PCS did not remain significantly associated with AF burden.
Conclusion
Increased PACS is strongly associated with low AF burden after CA even after adjusting for PVR. This suggests that an analysis of LA function could be useful to stratify patients prior to CA and improve treatment strategies.
Abstract Figure.
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Affiliation(s)
- A Nielsen
- Gentofte University Hospital, Copenhagen, Denmark
| | - S Soerensen
- Gentofte University Hospital, Copenhagen, Denmark
| | - K Skaarup
- Gentofte University Hospital, Copenhagen, Denmark
| | - K Djernaes
- Gentofte University Hospital, Copenhagen, Denmark
| | - R Estepar
- Brigham and Women"s Hospital, Boston, United States of America
| | - M Hansen
- Gentofte University Hospital, Copenhagen, Denmark
| | - R Worck
- Gentofte University Hospital, Copenhagen, Denmark
| | - A Johannesen
- Gentofte University Hospital, Copenhagen, Denmark
| | - J Hansen
- Gentofte University Hospital, Copenhagen, Denmark
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16
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Abstract
In the last decades, there is an increasing inclusion of various trace metals and metalloids such as thallium, tellurium and rare earth elements (REEs; lanthanides, scandium, and yttrium) in the composition and production of alloys, in agricultural and medicinal applications, as well as in the manufacturing of hi-tech products. All these activities have led to an accumulation of the aforementioned elements both in soil and water bodies and consequently in the food chain, through discharges from mining and mineral processing, liquid industrial waste or disposal of urban and industrial products. It has been demonstrated that chronic exposure to some of these elements, even at low doses, might lead to a wide range of adverse health effects, even from the early stages of life, such as neurotoxicity, neurodevelopmental toxicity and hepatic alterations. Particularly in children, there have been studies suggesting that some of these elements might negatively affect the children's spatial learning and memory ability indirectly. Such effects are triggered by processes like the production of reactive oxygen species (ROS), lipid peroxidation and modulation of antioxidant activities. Nevertheless, the limited data from toxicological studies and their so-far naturally low occurrence levels in the environment acted as a deterrent in measuring their concentrations during routine analyses of metals in foodstuff. Thus, it is important to collect information on their occurrence data both in adults and in children's daily diet. This review sumrises the current knowledge on the concentration of these elements, in plant-based food products to identify whether a potential health risk occurs. As side projects, this Fellowship provided hands-on training on the evaluation of new biocides application and participation in the given advice to the Danish Food and Veterinary Administration, Danish Environmental Protection Agency, the Danish Medical Agency and the European Chemicals Agency.
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Schmeisser A, Rauwolf T, Groscheck T, Tanev I, Hansen M, Meissler S, Steendijk P, Braun-Dullaeus R. Right ventricular pulmonary vascular coupling in secondary tricuspid regurgitation: a pressure volume loop study. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
The severity of secondary tricuspid regurgitation (sTR) predicts outcome of patients with left heart failure with reduced ejection fraction (HFrEF). In these patients sTR predominantly occurs as a result of secondary pulmonary hypertension (PH). However, more than 46% of patients with severe PH have only mild or none sTR. In this study we tested the hypothesis that intrinsic right ventricular (RV) contractility adaptation to the pulmonary arterial (PA) vascular load (RV-PA-coupling) is associated with the presence and severity of sTR.
Methods
In 110 patients with HFrEF (a post-hoc analysis of the Magdeburger CRT Responder Trial, DRKS00011133) we quantified the RV intrinsic contractility response (end-systolic elastance, Ees) to pulmonary vascular afterload (arterial elastance, Ea) and its coupling ratio (RV-PA coupling ratio: Ees/Ea) by the RV pressure-volume loop catheter technique at baseline, and combined it with echocardiography-derived parameter of sTR presence and severity and RV function.
Results
Echocardiography at baseline demonstrated no or trace TR (TR0) in 67 patients (61%), mild TR (TR1) in 23 (21%), moderate TR (TR2) in 11 (10%), and severe TR (TR3) in 9 (8%). The transition from TR0 to TR1 was characterized by a pronounced drop of the RV-PA coupling ratio (TR0: Ees/Ea= 0.88, 0.67–1.1 vs. TR1: Ees/Ea= 0.48, 0.3–0.83, p<0.001), caused by a non-adaptive, non-rising Ees (0.24 mmHg/ml, 0.34–0.44 vs. 0.3 mmHg/ml, 0.21–0.46, p=0.8, respectively, p<0.001). We observed a further but only marginal drop of Ees/Ea from TR1 to TR3 (p=0.008) caused by an additional small non-significant decrease of Ees and increase of Ea. Interestingly, other afterload parameter, such as PA-pressure, wedge pressure (PCWP), PA compliance, and PA resistance (PVR), and parameters of RV function, such as tricuspid annular plane systolic excursion (TAPSE) and fractional area shortening (FAC) followed the same course of a pronounced drop from TR0 to TR1, succeeded by an only marginal change from TR1 to TR3. In contrast, the progressive RV-PA un-coupling from TR0 to TR3 was accompanied by a more or less continuously increase of RV size and volume load (end-diastolic (ED) area in 4 chamber view, ED-RV outflow tract diameter, size of tricuspid annulus). In the binary logistic regression analysis, the decrease of RV-PA coupling ratio Ees/Ea (OR 0.14, CI 0.001–0.165) and PA compliance (OR 0.44, CI 0.25–0.79) were independently associated with the transition from TR0 to TR1–3.
Conclusion
The presence and severity of secondary TR in patients with HFREF is independently associated with a progressive RV-PA uncoupling. Most importantly, already the transition from none TR to mild TR is characterized by a significant and pronounced increase of pulmonary vascular afterload, a non-adaptive RV contractility response, and resulting RV-PA un-coupling.
Funding Acknowledgement
Type of funding source: Private company. Main funding source(s): Boston Scientific
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Affiliation(s)
- A Schmeisser
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - T Rauwolf
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - T Groscheck
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - I Tanev
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - M Hansen
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - S Meissler
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - P Steendijk
- Leiden University Medical Center, Cardiology, Leiden, Netherlands (The)
| | - R.C Braun-Dullaeus
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
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Mir H, Chu C, Bouck Z, Sivaswamy A, Austin P, Dudzinski D, Nesbitt G, Edwards J, Yared K, Wong B, Hansen M, Weinerman A, Thavendiranathan P, Johri A, Rakowski H, Picard M, Weiner R, Bhatia R. IMPACT OF APPROPRIATE ECHOCARDIOGRAPHY USE ON UTILIZATION OF CARDIAC SERVICES AND OUTCOMES IN PATIENTS WITH HEART FAILURE OR CORONARY ARTERY DISEASE: A RETROSPECTIVE COHORT STUDY OF THE ECHO WISELY RANDOMIZED CONTROLLED TRIAL. Can J Cardiol 2020. [DOI: 10.1016/j.cjca.2020.07.170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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19
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Albrechtsen M, Langeskov-Christensen M, Jørgensen M, Dalgas U, Hansen M. Is diet associated with physical capacity and fatigue in persons with multiple sclerosis? –Results from a pilot study. Mult Scler Relat Disord 2020; 40:101921. [DOI: 10.1016/j.msard.2019.101921] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/18/2019] [Accepted: 12/28/2019] [Indexed: 10/25/2022]
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Vakhrusheva J, Khan S, Chang R, Hansen M, Ayanruoh L, Gross J, Kimhy D. Lexical analysis of emotional responses to "real-world" experiences in individuals with schizophrenia. Schizophr Res 2020; 216:272-278. [PMID: 31839556 PMCID: PMC7239730 DOI: 10.1016/j.schres.2019.11.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 08/30/2019] [Accepted: 11/24/2019] [Indexed: 01/22/2023]
Abstract
Abnormalities in emotion perception, expression, and experience are considered a core component of schizophrenia. Previous laboratory studies have demonstrated that while individuals with schizophrenia report levels of positive emotions comparable to healthy individuals in response to positive stimuli, they also report co-occurring negative emotions in response to such stimuli. However, it is unknown whether this response pattern extends to "real world" naturalistic environments. To examine this question, we employed an experience sampling method (ESM) approach using mobile electronic devices to collect information up to 10 times/day over a two-day period from 53 individuals with schizophrenia and 19 non-clinical controls. As part of each experience sample, participants completed brief open-ended responses and answered questions about their emotional responses to three recent events (neutral, positive, and negative). Additionally, participants completed diagnostic and clinical measures. Lexical analyses were used to analyze ESM-based word production and characterize emotion word use. Compared to non-clinical controls, individuals with schizophrenia reported similar levels of positive emotion, but significantly higher negative emotion, which was associated with increased negative symptoms. The schizophrenia group used more anxiety words in response to negative and neutral events, and more anger words in response to positive events. Increased use of anger words was linked with elevations in positive symptoms as well as symptoms of depression, while use of sadness words was linked with anhedonia. Our findings support the co-activation of negative emotion hypothesis documented in laboratory settings and provide evidence of its ecological validity. Implications for functioning and future directions are discussed.
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Affiliation(s)
- J. Vakhrusheva
- Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY
| | - S. Khan
- New York State Psychiatric Institute, New York, NY
| | - R. Chang
- New York State Psychiatric Institute, New York, NY
| | - M. Hansen
- Department of Psychiatry, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY
| | - L. Ayanruoh
- New York State Psychiatric Institute, New York, NY
| | - J.J. Gross
- Department of Psychiatry & Behavioral Science, Stanford University, Stanford, CA
| | - D. Kimhy
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY
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Feldsine PT, Falbo-Nelson MT, Hustead DL, Aaronson J, Arling V, Baker M, Bozzuffi J, Bremer N, Chlebowski E, Clarke J, Crane A, Daniell E, Daugherty N, David J, Davis T, Diaz R, Donnelly S, Elwood M, Forgey R, Freshley J, Glowka L, Gottshall R, Graham R, Gray M, Griffith M, Hansen M, Harmon T, Herman R, Hofstrand P, Huether K, Irbys S, Jackey B, Jackson J, Jones T, Khasmakhi A, Lifur L, Linger T, MaCeda J, Mackin M, Marone C, McClure A, McDonagh S, Milligan L, Nelson J, Pandit K, Poole S, Rizzo M, Robinson J, Sparano R, Schriver J, Seibert M, Stone J, Summers D, Sweger L, Tebay D, Vera G, Weaver A, Wempe J, Wilkinson C, Willett J, Willoughby S, Zook T. Substrate Supporting Disc Method for Confirmed Detection of Total Coliforms and E. coli in all Foods: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/76.5.988] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
The Coli Complete® substrate supporting disc (SSD) method for simultaneous confirmed total coliform count and Escherichia coli determination in all foods was compared with AOAC most probable number (MPN) methods, 966.23 and 966.24. Twenty-nine laboratories participated in this collaborative study in which 6 food types were analyzed. Four food types, raw ground beef, pork sausage, raw liquid milk, and nut meats, were naturally contaminated with coliform bacteria. Two foods, dry egg and fresh frozen vegetables, were seeded with coliforms. Three food types, ground beef, raw liquid milk, and pork sausage, were naturally contaminated with E. coli. Although pork sausage was naturally contaminated, the level was very low (<10/50 g); therefore, additional E. coli were inoculated into 1 lot of this food type. Three food types, nut meats, dry egg, and fresh frozen vegetables, were inoculated with E. coli. For naturally contaminated samples, duplicate determinations were made on 3 separate lots for each food type. For inoculated samples, low, medium, and high contamination levels plus uninoculated control samples were examined in duplicate. Data were analyzed separately for total coliform bacteria and for E. coli. Mean log MPN counts were determined by the SSD method and the appropriate AOAC MPN method. Results were then analyzed for repeatability, reproducibility, and mean log MPN statistical equivalence. Results were statistically equivalent for all total coliform levels in all food types except frozen vegetable and raw nut meat uninoculated control samples and 1 lot of pork sausage where the SSD method produced statistically significant greater numbers. For the E. coli determinations, results were statistically equivalent across all samples and all levels for each food type. The SSD method has been adopted first action by AOAC International for confirmed detection of total coliforms and E. coli in all foods.
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Affiliation(s)
- Philip T Feldsine
- BioControl Systems, Inc., 19805 North Creek Parkway, Bothell, WA 98011
| | | | - David L Hustead
- BioControl Systems, Inc., 19805 North Creek Parkway, Bothell, WA 98011
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Louison Vang M, Shevlin M, Hansen M, Lund L, Askerod D, Bramsen RH, Flanagan N. Secondary traumatisation, burn-out and functional impairment: findings from a study of Danish child protection workers. Eur J Psychotraumatol 2020; 11:1724416. [PMID: 32166006 PMCID: PMC7054954 DOI: 10.1080/20008198.2020.1724416] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 01/11/2020] [Accepted: 01/22/2020] [Indexed: 11/08/2022] Open
Abstract
Background: Child-protection workers are at elevated risk for secondary traumatization. However, research in the area of secondary traumatization has been hampered by two major obstacles: the use of measures that have unclear or inadequate psychometric properties and equivocal findings on the degree of associated functional impairment. Objective: To assess the relationship between secondary traumatization and burnout using exploratory structural equation modelling (ESEM) and to assess the relationship between secondary traumatization and functional impairment. Methods: A survey of Danish child-protection workers was conducted through the Danish Children Centres (N = 667). Secondary traumatization was measured using the Professional Quality of Life-5 (ProQoL-5) and burnout using the Oldenburg Burnout Inventory. Results: A three-factor ESEM model provided the best fit to the data, reflecting factors consistent with the structure of secondary traumatization and burnout. The factors were differentially related to trauma-related and organizational variables in ways consistent with existing evidence. All factors were significantly related to functional impairment. Conclusion: The findings supported the discriminant validity of secondary traumatization and burnout while highlighting methodological issues around the current use of sum-score approaches to investigating secondary traumatization. The current study supported the clinical relevance of secondary traumatization by linking it explicitly to social and cognitive functional impairment.
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Affiliation(s)
- M Louison Vang
- School of Psychology and Psychology Research Institute, Ulster University, Coleraine, Northern Ireland, United Kingdom.,The CONTEXT-consortium.,ThRIVE, Department of Psychology, University of Southern Denmark, Odense, Denmark.,The Danish Children Centres, Region Southern Denmark and Central Region, Denmark
| | - M Shevlin
- School of Psychology and Psychology Research Institute, Ulster University, Coleraine, Northern Ireland, United Kingdom.,The CONTEXT-consortium
| | - M Hansen
- The CONTEXT-consortium.,ThRIVE, Department of Psychology, University of Southern Denmark, Odense, Denmark
| | - L Lund
- The CONTEXT-consortium.,The Danish Children Centres, Region Southern Denmark and Central Region, Denmark
| | - D Askerod
- The CONTEXT-consortium.,The Danish Children Centres, Region Southern Denmark and Central Region, Denmark
| | - R H Bramsen
- The Danish Children Centres, Region Southern Denmark and Central Region, Denmark
| | - N Flanagan
- The CONTEXT-consortium.,ThRIVE, Department of Psychology, University of Southern Denmark, Odense, Denmark.,SPIRASI, National Centre for the Rehabilitation of Victims of Torture in Ireland, Dublin, Ireland
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23
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Willumsen N, Bager C, Jensen C, Karsdal M, Madsen D, Hansen M, Schmidt H, Svane I. Extracellular matrix and tissue derived metabolites in a liquid biopsy identifies endotypes of metastatic melanoma patients with differential response to immune checkpoint inhibitor treatment. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz253.075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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24
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Schmeisser A, Rauwolf T, Ghanem A, Handerer J, Fischbach K, Tanev I, Groscheck T, Hansen M, Meissler S, Kropf S, Steendijk P, Braun-Dullaeus RC. P4687Relevance of TAPSE and FAC, and their relationship to PASP as echo-derived measures for RV-PA coupling in heart failure: a comparative analysis with invasive RV-pressure volume loop data. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Right ventricular (RV) to pulmonary artery (PA) coupling (C), quantified by pressure volume (PV) loop analysis, predicts RV function, and is independently associated with long term survival in systolic heart failure (HFrEF). However, the PV loop technique is invasive and complex to carry out, especially when used to do RV functional analyses. Different echo-surrogate parameters are proposed to measure RV-PA-C, such as the tricuspid annular plane systolic excursion, TAPSE/PAsystolic pressure (SP) and FAC (fractional area change)/PASP as the most promising parameters. However, up to now, no validation of these non-invasive coupling indices with the invasive gold standard method of RV-PV-loops has been done.
Methods
In 111 patients with advanced HFrEF (Post-hoc analysis of Magdeburger CRT Responder Trial, DRKS00011133), echo-derived TAPSE and FAC, and their relationship to PASP were related to the RV PV-loop-derived parameters of intrinsic RV contractility (Ees), pulmonary load (Ea), and the RV-PA-C efficiency (Ees/Ea) by linear regression analysis. Within a MRI substudy (n=49 patients) we examined the relationship of pure longitudinal contraction (MRI-TAPSE) and radial free wall to septum contraction (area change of 5 RV segments from tricuspid valve to apex in the short axis view) to the invasive RV-PA-C.
Results
The MRI analysis demonstrated that radial RV contraction (R2=0.77, p<0.001) correlated better to invasive RV-PA-C than pure longitudinal shortening (R2=0.37, p<0.001) (radial vs. longitudinal: p<0.00). Echo data for the entire patient cohort confirmed the MRI data. The FAC (R2=0.8, p<0.001) was significantly better associated with RV-PA-C than TAPSE (R2=0.57, p<0.001) (TAPSE vs FAC, p<0.001). Placing TAPSE or FAC into a quotient with PASP did not at all (TAPSE vs. TAPSE/PASP, p=0.1) or significantly attenuated (FAC vs. FAC/PASP R2=0.8 vs 0.58, p<0.001) their association to RV-PA-C. However, FAC/PASP and TAPSE/PASP correlated significantly better with global afterload (Eea), PA compliance, and pressure volume area (PVA), (p<0.001). In ROC analysis for all-cause mortality, all 4 tested parameters were prognostic relevant, however, with higher AUC values for FAC/PASP (AUC=0.74, p<0.001) and TAPSE/PASP (AUC=0.74, p<0.001) than for single TAPSE (AUC= 0.71, p=0.001) or FAC (AUC=0.7, p=0.001). Within a multivariate Cox regression analysis, only the FAC/PASP remained an independent predictor for long term survival.
Conclusion
FAC, an echo parameter that includes a predominant radial with a smaller part of longitudinal contraction, correlated significantly better to the invasively derived RV-PA-C-ratio than pure longitudinal RV shortening (TAPSE). Combining FAC or TAPSE with PASP did not improve the non-invasive RV-PA coupling information. However, it provided more comprehensive information on pulmonary vascular load and RV oxygen consumption, which seems to be translated into a higher prognostic power.
Acknowledgement/Funding
scientific grant from Boston Scientific
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Affiliation(s)
- A Schmeisser
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - T Rauwolf
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - A Ghanem
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - J Handerer
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - K Fischbach
- Otto-von-Guericke University of Magdeburg, Radiology, Magdeburg, Germany
| | - I Tanev
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - T Groscheck
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - M Hansen
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - S Meissler
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
| | - S Kropf
- University of Magdeburg, Biostatistics, Magdeburg, Germany
| | - P Steendijk
- Leiden University Medical Center, Cardiology, Leiden, Netherlands (The)
| | - R C Braun-Dullaeus
- Otto-von-Guericke University of Magdeburg, Cardiology, Magdeburg, Germany
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25
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Pedro S, Dietz R, Sonne C, Rosing-Asvid A, Hansen M, McKinney MA. Are vitamins A and E associated with persistent organic pollutants and fatty acids in the blubber of highly contaminated killer whales (Orcinus orca) from Greenland? Environ Res 2019; 177:108602. [PMID: 31398560 DOI: 10.1016/j.envres.2019.108602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/20/2019] [Accepted: 07/21/2019] [Indexed: 06/10/2023]
Abstract
We quantified blubber concentrations of vitamins A (retinol) and E (α-tocopherol) and evaluated associations with persistent organic pollutants (ΣPOPs) in 14 highly-contaminated killer whales (Orcinus orca) sampled in Greenland from 2012 to 2014. We considered the influence of blubber depth, sex/age class and diet (based on biomass % of major fatty acids) in these relationships. Blubber concentrations of vitamin A averaged 34.1 ± 4.7 μg g-1 wet weight (ww) and vitamin E averaged 35.6 ± 4.4 μg g-1 ww. Although overall vitamin A concentrations did not vary between inner (closer to the muscle) and outer (closer to the skin) blubber layer or between sub-adults and adult females, concentrations in the outer layer of sub-adults were lower compared to the outer layer of adult females (p = 0.03). Outer layer may therefore reflect age accumulation of vitamin A, while in the more active inner layer, age effects might be masked by metabolic needs such as lactation. Neither diet nor ΣPOPs affected vitamin A variation, suggesting this vitamin is highly regulated in the body. Given the high exposures in these killer whales, vitamin A might not be a sensitive biomarker for POPs adverse effects. Vitamin E concentrations were significantly higher in inner compared to outer layer (p < 0.001), likely associated with blubber composition, suggesting that biopsies may not fully represent vitamin E concentrations in blubber. Age-accumulation of vitamin E also occurred with higher concentrations in adult females compared to sub-adults, independent of blubber depth (p < 0.01). Diet, ΣPOPs, and an interaction between these two variables significantly affected vitamin E variation in inner blubber, explaining 91% of this variation. The negative relationship between ΣPOPs (especially Σdichlorodiphenyltrichloroethane (DDT) and Σchlordanes in outer layers) and vitamin E was observed only in killer whales with a diet poorer in polyunsaturated fatty acids, suggested that killer whales feeding more consistently on marine mammals in Arctic environments over a fish-based diet, may be at higher risk of POP-induced disruption in vitamin E homeostasis. Considering diet is therefore important to understand the potential effects of elevated contaminant exposures on levels of certain essential nutrients, i.e., vitamin E, in killer whales.
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Affiliation(s)
- S Pedro
- Wildlife and Fisheries Conservation Center, Department of Natural Resources and the Environment and Center for Environmental Sciences and Engineering, University of Connecticut, Storrs, CT, 06269, USA; Department of Social and Preventive Medicine, Laval University, Quebec City, QC, G1V 0A6, Canada.
| | - R Dietz
- Department of Biosciences, Arctic Research Centre, Aarhus University, Roskilde, DK-4000, Denmark
| | - C Sonne
- Department of Biosciences, Arctic Research Centre, Aarhus University, Roskilde, DK-4000, Denmark
| | - A Rosing-Asvid
- Greenland Institute of Natural Resources, Nuuk, DK-3900, Greenland
| | - M Hansen
- Department of Environmental Science, Aarhus University, Roskilde, DK-4000, Denmark
| | - M A McKinney
- Wildlife and Fisheries Conservation Center, Department of Natural Resources and the Environment and Center for Environmental Sciences and Engineering, University of Connecticut, Storrs, CT, 06269, USA; Department of Natural Resource Sciences, McGill University, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada.
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Abstract
During the last decade, the interest on the use of seaweed as food or feed, which was before limited to certain European regional subpopulations, has experienced a significant increase in other regions of the EU. In fact, the growing awareness and interest on sustainable and alternative food sources, healthier lifestyles and changes on dietary patterns brought seaweed to the spotlight for the general worldwide cuisine. Due to their high biosorption and accumulation capacity, seaweed can be an important source of increased exposure to persistent and potential harmful elements, such as cadmium (Cd), lead (Pb), mercury (Hg) and inorganic arsenic (iAs), or even some micronutrients, particularly iodine (I), to which an antioxidant role as been described in seaweed. This concentration potential has raised the interest of several Food Authorities regarding the risk of increased exposure to these elements. Moreover, the European Commission requested the collection of monitoring data on their levels aiming to aid the performance of better risk assessments and potentially set maximum levels on the European Legislation. This work aimed to obtain levels of these elements in species of seaweed (Fucus vesiculosus, Fucus serratus, Fucus spiralis, Fucus evanescens, Saccharina latissima, ulva lactuca and Ccladophora sp.) cultivated and harvested in Denmark, following European Commission's request. Additionally, a collaboration between Denmark, Ireland, France and the Netherlands was initiated to review and collect all the data available on scientific papers regarding the levels of these contaminants in seaweed worldwide. The final result of this work would be the publication of a review article. This Fellowship also provided on‐the‐job training on the evaluation of applications of new biocides and participation in the science based advises given to the Danish Food and Veterinary Administration, Danish EPA, the Danish Medical Agency and ECHA.
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27
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Bahr NJ, Herzberg S, Lambert W, Hansen M, McNulty JJ, Cohen A, Gorman PN, Guise JM. Modeling variation of clinical team processes with multiple sequence alignment. Methodological Innovations 2019; 12. [PMID: 35465616 PMCID: PMC9024196 DOI: 10.1177/2059799119840985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Our objective was to model process variation of Emergency Medical Service teams responding to simulated pediatric emergencies and determine if sequence alignment distinguishes performance quality. We performed a retrospective process analysis by watching and coding activities in videos from standardized simulations of 42 Emergency Medical Service teams. Teams were classified into high- or low-performing groups based on the Clinical Teamwork Scale™. Activities were coded according to resuscitation tasks, performer, and times. We used ClustalG to align task sequences within and between groups, and measured similarity. Teams within and between performance levels had an average sequence similarity of 52 ± 7% and 50 ± 7%. Teams performed clinically appropriate tasks that varied in prioritization, for example, performing compressions or connecting the EKG monitor early. There was no statistical difference in gross similarity between groups but specific differences in prioritization may have had clinically meaningful implications. Alignment could improve by accounting for task duration and concurrency.
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Affiliation(s)
- Nathan J Bahr
- Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland, OR, USA
| | - S Herzberg
- Department of Obstetrics & Gynecology, Oregon Health & Science University, Portland, OR, USA
| | - W Lambert
- School of Public Health, OHSU-PSU, Portland, OR, USA
| | - M Hansen
- Department of Emergency Medicine and Pediatrics, Oregon Health & Science University, Portland, OR, USA
| | - JJ McNulty
- Center for the Advancement of Resuscitation Education, Oregon Health & Science University, Portland, OR, USA
| | - A Cohen
- Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland, OR, USA
| | - PN Gorman
- Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland, OR, USA
| | - JM Guise
- Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland, OR, USA
- Department of Obstetrics & Gynecology, Oregon Health & Science University, Portland, OR, USA
- School of Public Health, OHSU-PSU, Portland, OR, USA
- Department of Emergency Medicine and Pediatrics, Oregon Health & Science University, Portland, OR, USA
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Kristensen MD, Petersen SM, Møller KE, Lund MT, Hansen M, Hansen CN, Courraud J, Helge JW, Dela F, Prats C. Obesity leads to impairments in the morphology and organization of human skeletal muscle lipid droplets and mitochondrial networks, which are resolved with gastric bypass surgery-induced improvements in insulin sensitivity. Acta Physiol (Oxf) 2018; 224:e13100. [PMID: 29791782 DOI: 10.1111/apha.13100] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 05/15/2018] [Accepted: 05/16/2018] [Indexed: 12/29/2022]
Abstract
AIMS Skeletal muscle lipid stores and mitochondrial function have been appointed as key players in obesity-induced insulin resistance. However, there are conflicting reports in the literature based on in vitro quantitative measurements. Here, we test the hypothesis that it is not the quantity but the quality that matters. METHODS This study combines quantitative and qualitative structural measurements of lipid stores and mitochondrial dynamics in skeletal muscle from lean subjects, and subjects with morbid obesity, with and without type 2 diabetes, before and after gastric bypass surgery. RESULTS The structural organization of muscle mitochondrial networks in type II muscle fibres from subjects with morbid obesity is impaired. In addition, the amount of skeletal muscle perilipin 2 protein per intramyocellular lipid is reduced in subjects with morbid obesity, resulting in qualitative alterations in perilipin 2 coat around some lipid droplets. Gastric bypass surgery-induced weight loss and insulin resistance remission were associated with decreases in intramyocellular lipid stores and, qualitative improvements in lipid droplets' morphology, perilipin 2 coat and mitochondrial dynamics. CONCLUSION Morbid obesity leads to severe qualitative alterations of both skeletal muscle lipid stores and mitochondrial networks. The degree of structural improvements after gastric bypass surgery was proportional to the improvements in whole body insulin sensitivity, suggesting an association between these events.
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Affiliation(s)
- M. D. Kristensen
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
| | - S. M. Petersen
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
| | - K. E. Møller
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
| | - M. T. Lund
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
| | - M. Hansen
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
| | - C. N Hansen
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
| | - J. Courraud
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
| | - J. W. Helge
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
| | - F. Dela
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
- Department of Geriatrics; Bispebjerg University Hospital; Copenhagen Denmark
| | - C. Prats
- X-lab, Center for Healthy Aging; University of Copenhagen; Copenhagen Denmark
- Core Facility for Integrated Microscopy; Department of Biomedical Sciences; Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
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Hansen M. AUTOPHAGY AND AGING: LESSONS FROM LONG-LIVED C. ELEGANS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- M Hansen
- Sanford Burnham Prebys Medical Discovery Institute, San Diego, California, United States
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Nielsen LH, Hansen M, Ingemann-Hansen O. Predicting charges and convictions for rape suspects in Denmark: characteristics associated with the notion of the ‘credible criminal’. ACTA ACUST UNITED AC 2018. [DOI: 10.1080/14043858.2018.1526469] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- L. H. Nielsen
- The Research group on Interpersonal Violence Europe, Department of Psychology, University of Southern Denmark, Odense, Denmark
- Department of Forensic Medicine, Aarhus University, Aarhus, Denmark
| | - M. Hansen
- The Research group on Interpersonal Violence Europe, Department of Psychology, University of Southern Denmark, Odense, Denmark
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B, Burroughs C, Cuthbertson D, Deemer M, Eberhard C, Fiske S, Ford J, Garmeson J, Guillette H, Browning G, Coughenour T, Sulk M, Tsalikan E, Tansey M, Cabbage J, Dixit N, Pasha S, King M, Adcock K, Geyer S, Atterberry H, Fox L, Englert K, Mauras N, Permuy J, Sikes K, Berhe T, Guendling B, McLennan L, Paganessi L, Hays B, Murphy C, Draznin M, Kamboj M, Sheppard S, Lewis V, Coates L, Moore W, Babar G, Bedard J, Brenson-Hughes D, Henderson C, Cernich J, Clements M, Duprau R, Goodman S, Hester L, Huerta-Saenz L, Karmazin A, Letjen T, Raman S, Morin D, Henry M, Bestermann W, Morawski E, White J, Brockmyer A, Bays R, Campbell S, Stapleton A, Stone N, Donoho A, Everett H, Heyman K, Hensley H, Johnson M, Marshall C, Skirvin N, Taylor P, Williams R, Ray L, Wolverton C, Nickels D, Dothard C, Hsiao B, Speiser P, Pellizzari M, Bokor L, Izuora K, Abdelnour S, Cummings P, Paynor S, Leahy M, Riedl M, Shockley S, Karges C, Saad R, Briones T, Casella S, Herz C, Walsh K, Greening J, Hay F, Hunt S, 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McCormick D, Powell A, Jones H, Bell J, Hargadon S, Hudson S, Kummer M, Badias F, Sauder S, Sutton E, Gensel K, Aguirre-Castaneda R, Benavides Lopez V, Hemp D, Allen S, Stear J, Davis E, Jones T, Baker A, Roberts A, Dart J, Paramalingam N, Levitt Katz L, Chaudhary N, Murphy K, Willi S, Schwartzman B, Kapadia C, Larson D, Bassi M, McClellan D, Shaibai G, Kelley L, Villa G, Kelley C, Diamond R, Kabbani M, Dajani T, Hoekstra F, Magorno M, Beam C, Holst J, Chauhan V, Wilson N, Bononi P, Sperl M, Millward A, Eaton M, Dean L, Olshan J, Renna H, Boulware D, Milliard C, Snyder D, Beaman S, Burch K, Chester J, Ahmann A, Wollam B, DeFrang D, Fitch R, Jahnke K, Bounmananh L, Hanavan K, Klopfenstein B, Nicol L, Bergstrom R, Noland T, Brodksy J, Bacon L, Quintos J, Topor L, Bialo S, Bream S, Bancroft B, Soto A, Lagarde W, Lockemer H, Vanderploeg T, Ibrahim M, Huie M, Sanchez V, Edelen R, Marchiando R, Freeman D, Palmer J, Repas T, Wasson M, Auker P, Culbertson J, Kieffer T, Voorhees D, Borgwardt T, 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Trunnel S, Transue D, Surhigh J, Bezzaire D, Moltz K, Zacharski E, Henske J, Desai S, Frizelis K, Khan F, Sjoberg R, Allen K, Manning P, Hendry G, Taylor B, Jones S, Couch R, Danchak R, Lieberman D, Strader W, Bencomo M, Bailey T, Bedolla L, Roldan C, Moudiotis C, Vaidya B, Anning C, Bunce S, Estcourt S, Folland E, Gordon E, Harrill C, Ireland J, Piper J, Scaife L, Sutton K, Wilkins S, Costelloe M, Palmer J, Casas L, Miller C, Burgard M, Erickson C, Hallanger-Johnson J, Clark P, Taylor W, Galgani J, Banerjee S, Banda C, McEowen D, Kinman R, Lafferty A, Gillett S, Nolan C, Pathak M, Sondrol L, Hjelle T, Hafner S, Kotrba J, Hendrickson R, Cemeroglu A, Symington T, Daniel M, Appiagyei-Dankah Y, Postellon D, Racine M, Kleis L, Barnes K, Godwin S, McCullough H, Shaheen K, Buck G, Noel L, Warren M, Weber S, Parker S, Gillespie I, Nelson B, Frost C, Amrhein J, Moreland E, Hayes A, Peggram J, Aisenberg J, Riordan M, Zasa J, Cummings E, Scott K, Pinto T, Mokashi A, McAssey K, Helden E, Hammond P, Dinning L, Rahman S, Ray S, Dimicri C, Guppy S, Nielsen H, Vogel C, Ariza C, Morales L, Chang Y, Gabbay R, Ambrocio L, Manley L, Nemery R, Charlton W, Smith P, Kerr L, Steindel-Kopp B, Alamaguer M, Tabisola-Nuesca E, Pendersen A, Larson N, Cooper-Olviver H, Chan D, Fitz-Patrick D, Carreira T, Park Y, Ruhaak R, Liljenquist D. A Type 1 Diabetes Genetic Risk Score Predicts Progression of Islet Autoimmunity and Development of Type 1 Diabetes in Individuals at Risk. Diabetes Care 2018; 41:1887-1894. [PMID: 30002199 PMCID: PMC6105323 DOI: 10.2337/dc18-0087] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 06/06/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE We tested the ability of a type 1 diabetes (T1D) genetic risk score (GRS) to predict progression of islet autoimmunity and T1D in at-risk individuals. RESEARCH DESIGN AND METHODS We studied the 1,244 TrialNet Pathway to Prevention study participants (T1D patients' relatives without diabetes and with one or more positive autoantibodies) who were genotyped with Illumina ImmunoChip (median [range] age at initial autoantibody determination 11.1 years [1.2-51.8], 48% male, 80.5% non-Hispanic white, median follow-up 5.4 years). Of 291 participants with a single positive autoantibody at screening, 157 converted to multiple autoantibody positivity and 55 developed diabetes. Of 953 participants with multiple positive autoantibodies at screening, 419 developed diabetes. We calculated the T1D GRS from 30 T1D-associated single nucleotide polymorphisms. We used multivariable Cox regression models, time-dependent receiver operating characteristic curves, and area under the curve (AUC) measures to evaluate prognostic utility of T1D GRS, age, sex, Diabetes Prevention Trial-Type 1 (DPT-1) Risk Score, positive autoantibody number or type, HLA DR3/DR4-DQ8 status, and race/ethnicity. We used recursive partitioning analyses to identify cut points in continuous variables. RESULTS Higher T1D GRS significantly increased the rate of progression to T1D adjusting for DPT-1 Risk Score, age, number of positive autoantibodies, sex, and ethnicity (hazard ratio [HR] 1.29 for a 0.05 increase, 95% CI 1.06-1.6; P = 0.011). Progression to T1D was best predicted by a combined model with GRS, number of positive autoantibodies, DPT-1 Risk Score, and age (7-year time-integrated AUC = 0.79, 5-year AUC = 0.73). Higher GRS was significantly associated with increased progression rate from single to multiple positive autoantibodies after adjusting for age, autoantibody type, ethnicity, and sex (HR 2.27 for GRS >0.295, 95% CI 1.47-3.51; P = 0.0002). CONCLUSIONS The T1D GRS independently predicts progression to T1D and improves prediction along T1D stages in autoantibody-positive relatives.
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Affiliation(s)
- Maria J. Redondo
- Texas Children’s Hospital, Baylor College of Medicine, Houston, TX
| | | | - Andrea K. Steck
- Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Seth Sharp
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
| | - John M. Wentworth
- Walter and Eliza Hall Institute of Medical Research and Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Michael N. Weedon
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
| | | | | | | | | | - Richard A. Oram
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
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Hansen M, Smith DJ, Carruthers G. Mood disorder in the personal correspondence of Robert Burns: testing a novel interdisciplinary approach. J R Coll Physicians Edinb 2018; 48:165-174. [PMID: 29992209 DOI: 10.4997/jrcpe.2018.212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Robert Burns has long been recognised as someone who experienced episodes of melancholia, but no detailed, systematic and objective assessment of his mental health has been undertaken. We tested a novel methodology, combining psychiatric and literary approaches, to assess the feasibility of using Burns's extensive personal correspondence as a source of evidence for assessing the presence of symptoms of a clinically significant mood disorder. We confirmed the potential of this approach and identified putative evidence of episodes of depression and hypomania within the correspondence. While not conclusive of a formal diagnosis of bipolar disorder, this work highlights a need for further systematic examination of Burns's mental health and how this may have influenced his work.
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Affiliation(s)
- M Hansen
- Department of Scottish Literature, University of Glasgow, 7 University Gardens, Glasgow, G12 8QQ, UK,
| | - D J Smith
- Institute of Health and Wellbeing, University of Glasgow, UK
| | - G Carruthers
- Department of Scottish Literature, University of Glasgow, UK
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Hadem J, Rossnick R, Hesse B, Herr M, Hansen M, Bergmann A, Kensah G, Maess C, Baraki H, Kümpers P, Lukasz A, Kutschka I. Endothelial dysfunction following coronary artery bypass grafting : Influence of patient and procedural factors. Herz 2018; 45:86-94. [PMID: 29774399 DOI: 10.1007/s00059-018-4708-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 04/12/2018] [Accepted: 04/17/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND Angiopoietin-2 (Angpt2) mediates endothelial dysfunction (ED) following coronary artery bypass grafting (CABG). Its triggers are, however, poorly understood. METHODS We examined the time course of ED beyond the early phase of postoperative recovery in 75 patients following CABG with a special focus on different cardiopulmonary bypass (CPB) modes as potential triggers of Angpt2 release. RESULTS Nine patients (12.0%) underwent off-pump coronary artery bypass (OPCAB), 31 patients (41.3%) received minimized extracorporeal circulation (MECC), and 35 patients (46.6%) were operated on with (conventional) CPB. Angpt2 levels steadily increased across the observation period (1.7 [1.4-2.1] to 3.4 [2.5-6.1] ng/ml, p < 0.001). Angpt2 levels did not differ between the MECC and CPB groups (p = 0.564). There was no difference between MECC and CPB patients regarding net fluid balance (p = 0.821) and other surrogate markers of postoperative ED. The magnitude of Angpt-2 increase correlated more strongly with baseline C‑reactive protein (r = 0.459, p < 0.001) than with any other parameter. Hospital length of stay correlated more strongly with baseline Angpt2 levels (r = 0.512, p = 0.005) than with follow-up Angpt2 levels and appeared not to be influenced by CPB mode (p = 0.428). CONCLUSION CABG is associated with prolonged ED, which is determined by the patient's preoperative inflammatory state rather than by CPB modifications.
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Affiliation(s)
- J Hadem
- Department of Cardiothoracic Surgery, University Clinic, Otto-von-Guericke-Universität, Leipziger Straße 44, 39120, Magdeburg, Germany. .,Department of Gastroenterology and Hepatology, University Clinic Essen, Hufelandstraße 55, 45147, Essen, Germany.
| | - R Rossnick
- Department of Cardiothoracic Surgery, University Clinic, Otto-von-Guericke-Universität, Leipziger Straße 44, 39120, Magdeburg, Germany
| | - B Hesse
- Medizinische Klinik D, Universitätsklinikum Münster, Domagkstraße 5, 48149, Münster, Germany
| | - M Herr
- Department of Cardiothoracic Surgery, University Clinic, Otto-von-Guericke-Universität, Leipziger Straße 44, 39120, Magdeburg, Germany.,Klinik für Thorax‑, Herz- und Gefäßchirurgie, Universitätsmedizin Göttingen, Robert-Koch-Straße 40, 37075, Göttingen, Germany
| | - M Hansen
- Klinik für Anästhesiologie und Intensivtherapie, Otto-von-Guericke-Universität Magdeburg, Leipziger Straße 44, 30120, Magdeburg, Germany
| | - A Bergmann
- Klinik für Anästhesiologie und Intensivtherapie, Otto-von-Guericke-Universität Magdeburg, Leipziger Straße 44, 30120, Magdeburg, Germany
| | - G Kensah
- Department of Cardiothoracic Surgery, University Clinic, Otto-von-Guericke-Universität, Leipziger Straße 44, 39120, Magdeburg, Germany.,Klinik für Thorax‑, Herz- und Gefäßchirurgie, Universitätsmedizin Göttingen, Robert-Koch-Straße 40, 37075, Göttingen, Germany
| | - C Maess
- Department of Cardiothoracic Surgery, University Clinic, Otto-von-Guericke-Universität, Leipziger Straße 44, 39120, Magdeburg, Germany
| | - H Baraki
- Department of Cardiothoracic Surgery, University Clinic, Otto-von-Guericke-Universität, Leipziger Straße 44, 39120, Magdeburg, Germany.,Klinik für Thorax‑, Herz- und Gefäßchirurgie, Universitätsmedizin Göttingen, Robert-Koch-Straße 40, 37075, Göttingen, Germany
| | - P Kümpers
- Medizinische Klinik D, Universitätsklinikum Münster, Domagkstraße 5, 48149, Münster, Germany
| | - A Lukasz
- Medizinische Klinik D, Universitätsklinikum Münster, Domagkstraße 5, 48149, Münster, Germany
| | - I Kutschka
- Department of Cardiothoracic Surgery, University Clinic, Otto-von-Guericke-Universität, Leipziger Straße 44, 39120, Magdeburg, Germany.,Klinik für Thorax‑, Herz- und Gefäßchirurgie, Universitätsmedizin Göttingen, Robert-Koch-Straße 40, 37075, Göttingen, Germany
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Hansen NB, Hansen M, Campbell R, Elklit A, Hansen OI, Bramsen RH. Are rape cases closed because of rape stereotypes? Results from a Danish police district. Nordic Psychology 2018. [DOI: 10.1080/19012276.2018.1470552] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- N. B. Hansen
- National Centre for Psychotraumatology, ThRIVE, Department of Psychology, University of Southern Denmark, Odense, Denmark
| | - M. Hansen
- ThRIVE, Department of Psychology, University of Southern Denmark, Odense, MI, Denmark
| | - R. Campbell
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - A. Elklit
- National Centre for Psychotraumatology, Department of Psychology, University of Southern Denmark, Odense, Denmark
| | - O. I. Hansen
- Institute of Forensic Medicine, Section of Clinical Forensic Medicine, University of Aarhus, Aarhus, Denmark
- The Sexual Assault Centre, Aarhus University Hospital, Aarhus, Denmark
| | - R. H. Bramsen
- ThRIVE, Department of Psychology, University of Southern Denmark, Odense, MI, Denmark
- The Sexual Assault Centre, Aarhus University Hospital, Aarhus, Denmark
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Lund MT, Larsen S, Hansen M, Courraud J, Floyd AK, Støckel M, Helge JW, Dela F. Mitochondrial respiratory capacity remains stable despite a comprehensive and sustained increase in insulin sensitivity in obese patients undergoing gastric bypass surgery. Acta Physiol (Oxf) 2018; 223:e13032. [PMID: 29330917 DOI: 10.1111/apha.13032] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 01/05/2018] [Accepted: 01/05/2018] [Indexed: 12/15/2022]
Abstract
AIM It has been proposed, but not yet demonstrated by convincing evidence in published articles, that insulin resistance and mitochondrial respiratory function are causally related physiological phenomena. Here, we tested the prediction that weight loss-induced increase in insulin sensitivity will correlate with a corresponding change in mitochondrial respiratory capacity over the same time period. METHODS Insulin sensitivity was evaluated using the hyperinsulinaemic-euglycaemic clamp technique, and skeletal muscle mitochondrial respiratory capacity was evaluated by high-resolution respirometry in 26 patients with obesity. Each experiment was performed ~2 months and 1-2 weeks before, and ~4 and ~19 months after Roux-en-Y gastric bypass (RYGB) surgery. RESULTS A substantial weight loss was observed in all patients, and insulin sensitivity increased in all patients over the 21-months time period of the study. In contrast, skeletal muscle mitochondrial respiratory capacity, intrinsic mitochondrial respiratory capacity and mitochondrial content remained unchanged over the same time period. CONCLUSION Among obese patients with and without type 2 diabetes undergoing RYGB surgery, intrinsic mitochondrial respiratory capacity in skeletal muscle is not correlated with insulin sensitivity before or after the surgical intervention. Mitochondrial respiratory function may not be germane to the pathophysiology and/or aetiology of obesity and/or type 2 diabetes.
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Affiliation(s)
- M. T. Lund
- Xlab; Center for Healthy Aging; Department of Biomedical Sciences; University of Copenhagen; Copenhagen Denmark
- Department of Surgery; Holbak Hospital; Holbak Denmark
| | - S. Larsen
- Xlab; Center for Healthy Aging; Department of Biomedical Sciences; University of Copenhagen; Copenhagen Denmark
| | - M. Hansen
- Xlab; Center for Healthy Aging; Department of Biomedical Sciences; University of Copenhagen; Copenhagen Denmark
| | - J. Courraud
- Xlab; Center for Healthy Aging; Department of Biomedical Sciences; University of Copenhagen; Copenhagen Denmark
- Danish Center for Newborn screening; Department of Congenital Disorders; Statens Serum Institut; Copenhagen Denmark
| | - A. K. Floyd
- Department of Surgery; Holbak Hospital; Holbak Denmark
| | - M. Støckel
- Department of Surgery; Herlev University Hospital; Herlev Denmark
| | - J. W. Helge
- Xlab; Center for Healthy Aging; Department of Biomedical Sciences; University of Copenhagen; Copenhagen Denmark
| | - F. Dela
- Xlab; Center for Healthy Aging; Department of Biomedical Sciences; University of Copenhagen; Copenhagen Denmark
- Department of Geriatrics; Bispebjerg University Hospital; Copenhagen Denmark
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Unemo M, Salado-Rasmussen K, Hansen M, Olsen A, Falk M, Golparian D, Aasterød M, Ringlander J, Nilsson CS, Sundqvist M, Schønning K, Moi H, Westh H, Jensen J. Clinical and analytical evaluation of the new Aptima Mycoplasma genitalium assay, with data on M. genitalium prevalence and antimicrobial resistance in M. genitalium in Denmark, Norway and Sweden in 2016. Clin Microbiol Infect 2018; 24:533-539. [DOI: 10.1016/j.cmi.2017.09.006] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 09/07/2017] [Accepted: 09/08/2017] [Indexed: 11/26/2022]
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Schroeder T, Krueger W, Hansen M, Hoffmann E, Dieterich H, Unertl K. Elimination of Meropenem by Continuous Hemo(Dia) Filtration: An in Vitro One-Compartment Model. Int J Artif Organs 2018. [DOI: 10.1177/039139889902200503] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Meropenem is a carbapenem antibiotic with a wide spectrum of activity against most gram positive and gram negative bacteria including anaerobes. Dose adjustments are necessary during continuous renal replacement therapies of acute renal failure. This in vitro study was conducted to investigate the influence of different filter materials, surface areas (AN-69 0.6 m2 and 0.9 m2, polysulfone 0.75 m2, polyamide 0.6 m2), and increasing flow rates (from 3.3 - 26.7 ml/min) on the elimination of meropenem in an in vitro continuous hemo(dia)filtration model. Meropenem was measured using HPLC with UV-detection. While the clearance increased proportionally to increasing dialysate flow rates in filters with a surface area of 0.9 m2, a peak clearance was reached in the small filters at flow rates of 10.0 ml/min (polyamide 0.6 m2) and 18.3 ml/min (AN-69 0.6 m2), when tested under the same conditions. This indicated incomplete dialysate saturation due to the diminished time available for meropenem to equilibrate with the dialysate solution. No adsorption to either of the tested membranes was detected. Dosage recommendations derived from clinical studies might be appropriate when different filter materials, but similar operational settings of the continuous replacement therapy, are applied. Reduction of the recommended dose might be necessary, when renal replacement therapies with lower flow rates and/or filters with smaller surface areas are carried out.
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Affiliation(s)
- T.H. Schroeder
- Department of Anaesthesiology, Eberhard-Karls-University Tuebingen, Tuebingen - Germany
| | - W.A. Krueger
- Department of Anaesthesiology, Eberhard-Karls-University Tuebingen, Tuebingen - Germany
| | - M. Hansen
- Department of Anaesthesiology, Eberhard-Karls-University Tuebingen, Tuebingen - Germany
| | - E. Hoffmann
- Department of Anaesthesiology, Eberhard-Karls-University Tuebingen, Tuebingen - Germany
| | - H.J. Dieterich
- Department of Anaesthesiology, Eberhard-Karls-University Tuebingen, Tuebingen - Germany
| | - K. Unertl
- Department of Anaesthesiology, Eberhard-Karls-University Tuebingen, Tuebingen - Germany
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Hansen M, Fernandez-Luque L, Lau AYS, Paton C. Self-Tracking, Social Media and Personal Health Records for Patient Empowered Self-Care. Yearb Med Inform 2018. [DOI: 10.1055/s-0038-1639425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
SummaryThis paper explores the range of self-tracking devices and social media platforms used by the self-tracking community, and examines the implications of widespread adoption of these tools for scientific progress in health informatics.A literature review was performed to investigate the use of social media and self-tracking technologies in the health sector. An environmental scan identified a range of products and services which were used to exemplify three levels of self-tracking: self-experimentation, social sharing of data and patient controlled electronic health records.There appears to be an increase in the use of self-tracking tools, particularly in the health and fitness sector, but also used in the management of chronic diseases. Evidence of efficacy and effectiveness is limited to date, primarily due to the health and fitness focus of current solutions as opposed to their use in disease management.Several key technologies are converging to produce a trend of increased personal health surveillance and monitoring, social connectedness and sharing, and integration of regional and national health information systems. These trends are enabling new applications of scientific techniques, from personal experimentation to e-epidemiology, as data gathered by individuals are aggregated and shared across increasingly connected healthcare networks. These trends also raise significant new ethical and scientific issues that will need to be addressed, both by health informatics researchers and the communities of self-trackers themselves.
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Cabrer M, Hansen M, Paton C, Elkin PL, Erdley WS, Murray PJ. Towards Addressing the Opportunities and Challenges of Web 2.0 for Health and Informatics. Yearb Med Inform 2018. [DOI: 10.1055/s-0038-1638582] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
Summary
ObjectiveTo provide an overview of Web 2.0 and Health 2.0, and so facilitate a widespread discussion of the nature of these concepts and their possible application within the health domain, and implications for health and biomedical informatics and for IMIA.
MethodsIMIA, the International Medical Informatics Association, has established a Web 2.0 Exploratory Taskforce to bring together interested individuals from within and outside IMIA to explore the nature and potential of Web 2.0 applications. The Taskforce aims to develop background materials and sample uses of Web 2.0 applications, so as to propose specific lines of action for the IMIA Board and General Assembly. This paper provides a brief overview of Web 2.0 and related concepts, and examples of general and health-specific Web 2.0 applications. Some examples of the issues, challenges and opportunities are introduced, to set the scene for a wider dialogue on if, how, and how best, IMIA, and the wider health and informatics communities, should use these new applications and approaches.
Results and conclusionsThis brief paper provides an introduction to, and overview of, the many issues involved in considering the application of Web 2.0 to health and informatics. All interested individuals and organisations are invited to use this as a starting point for engaging in wider discussion and contributing to the Taskforce and to IMIA’s future.
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Bamidis PD, Eysenbach G, Hansen M, Cabrer M, Paton C. Experience in the Use of Social Media in Medical and Health Education. Yearb Med Inform 2018. [DOI: 10.1055/s-0038-1638732] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
SummarySocial media are online tools that allow collaboration and community building. Succinctly, they can be described as applications where “users add value”. This paper aims to show how five educators have used social media tools in medical and health education to attempt to add value to the education they provide.We conducted a review of the literature about the use of social media tools in medical and health education. Each of the authors reported on their use of social media in their educational projects and collaborated on a discussion of the advantages and disadvantages of this approach to delivering educational projects.We found little empirical evidence to support the use of social media tools in medical and health education. Social media are, however, a rapidly evolving range of tools, websites and online experiences and it is likely that the topic is too broad to draw definitive conclusions from any particular study. As practitioners in the use of social media, we have recognised how difficult it is to create evidence of effectiveness and have therefore presented only our anecdotal opinions based on our personal experiences of using social media in our educational projects.The authors feel confident in recommending that other educators use social media in their educational projects. Social media appear to have unique advantages over non-social educational tools. The learning experience appears to be enhanced by the ability of students to virtually build connections, make friends and find mentors. Creating a scientific analysis of why these connections enhance learning is difficult, but anecdotal and preliminary survey evidence appears to be positive and our experience reflects the hypothesis that learning is, at heart, a social activity.
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Jensen C, Madsen D, Hansen M, Schmidt H, Svane I, Karsdal M, Willumsen N. Altered type III collagen turnover measured in pre-treatment serum predicts outcome in metastatic melanoma patients treated with Ipilimumab. Eur J Cancer 2018. [DOI: 10.1016/j.ejca.2018.01.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
Linezolid is an oxazolidinone antibiotic with activity against important grampositive aerobic bacteria, including nosocomial pathogens. It is not known whether dosage adjustments are necessary in patients treated with continuous renal replacement therapies. This in vitro study was conducted to investigate the elimination of linezolid in an in vitro continuous hemo(dia)filtration model using different filter materials (polysulfone, polyacrylonitrile, polyamide), surface areas, and different modes of renal replacement therapies. Linezolid was measured using HPLC with UV-detection. No adsorption of linezolid to any of the tested membranes was detected. Recovery of linezolid in the ultrafiltrate was 98.2 ± 10.5% in the filtration mode. During dialysis, recovery was significantly less (87.6 ± 16.1%; p = 0.02). Linezolid elimination was not altered by filter size, when polysulfone filters with surface areas of 0.7 m2 and 1.3 m2 were tested. In conclusion, the dosage recommendations for linezolid are independent of the filter materials. However, the elimination is significantly higher during hemofiltration compared to dialysis.
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Affiliation(s)
- T H Schroeder
- Department of Anesthesiology and Intensive Care Medicine, Tuebingen University Hospital, Tuebingen, Germany.
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Jensen C, Madsen D, Hansen M, Schmidt H, Svane IM, Karsdal M, Willumsen N. Serological assessment of extracellular matrix (ECM) remodeling in relation to clinical response in metastatic melanoma patients treated with ipilimumab. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx711.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Guiastrennec B, Sonne DP, Hansen M, Bagger JI, Lund A, Rehfeld JF, Alskär O, Karlsson MO, Vilsbøll T, Knop FK, Bergstrand M. Mechanism-Based Modeling of Gastric Emptying Rate and Gallbladder Emptying in Response to Caloric Intake. CPT Pharmacometrics Syst Pharmacol 2017; 5:692-700. [PMID: 28028939 PMCID: PMC5192972 DOI: 10.1002/psp4.12152] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 10/11/2016] [Accepted: 10/24/2016] [Indexed: 02/06/2023]
Abstract
Bile acids released postprandially modify the rate and extent of absorption of lipophilic compounds. The present study aimed to predict gastric emptying (GE) rate and gallbladder emptying (GBE) patterns in response to caloric intake. A mechanism‐based model for GE, cholecystokinin plasma concentrations, and GBE was developed on data from 33 patients with type 2 diabetes and 33 matched nondiabetic individuals who were administered various test drinks. A feedback action of the caloric content entering the proximal small intestine was identified for the rate of GE. The cholecystokinin concentrations were not predictive of GBE, and an alternative model linking the nutrients amount in the upper intestine to GBE was preferred. Relative to fats, the potency on GBE was 68% for proteins and 2.3% for carbohydrates. The model predictions were robust across a broad range of nutritional content and may potentially be used to predict postprandial changes in drug absorption.
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Affiliation(s)
- B Guiastrennec
- Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - D P Sonne
- Center for Diabetes Research, Department of Medicine, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
| | - M Hansen
- Center for Diabetes Research, Department of Medicine, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark.,Current workplace: Novo Nordisk A/S, Bagsvaerd, Denmark
| | - J I Bagger
- Center for Diabetes Research, Department of Medicine, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
| | - A Lund
- Center for Diabetes Research, Department of Medicine, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
| | - J F Rehfeld
- Department of Clinical Biochemistry, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - O Alskär
- Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - M O Karlsson
- Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - T Vilsbøll
- Center for Diabetes Research, Department of Medicine, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
| | - F K Knop
- Center for Diabetes Research, Department of Medicine, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
| | - M Bergstrand
- Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
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Jacquelot N, Roberti MP, Enot DP, Rusakiewicz S, Ternès N, Jegou S, Woods DM, Sodré AL, Hansen M, Meirow Y, Sade-Feldman M, Burra A, Kwek SS, Flament C, Messaoudene M, Duong CPM, Chen L, Kwon BS, Anderson AC, Kuchroo VK, Weide B, Aubin F, Borg C, Dalle S, Beatrix O, Ayyoub M, Balme B, Tomasic G, Di Giacomo AM, Maio M, Schadendorf D, Melero I, Dréno B, Khammari A, Dummer R, Levesque M, Koguchi Y, Fong L, Lotem M, Baniyash M, Schmidt H, Svane IM, Kroemer G, Marabelle A, Michiels S, Cavalcanti A, Smyth MJ, Weber JS, Eggermont AM, Zitvogel L. Predictors of responses to immune checkpoint blockade in advanced melanoma. Nat Commun 2017; 8:592. [PMID: 28928380 PMCID: PMC5605517 DOI: 10.1038/s41467-017-00608-2] [Citation(s) in RCA: 146] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 07/10/2017] [Indexed: 12/31/2022] Open
Abstract
Immune checkpoint blockers (ICB) have become pivotal therapies in the clinical armamentarium against metastatic melanoma (MMel). Given the frequency of immune related adverse events and increasing use of ICB, predictors of response to CTLA-4 and/or PD-1 blockade represent unmet clinical needs. Using a systems biology-based approach to an assessment of 779 paired blood and tumor markers in 37 stage III MMel patients, we analyzed association between blood immune parameters and the functional immune reactivity of tumor-infiltrating cells after ex vivo exposure to ICB. Based on this assay, we retrospectively observed, in eight cohorts enrolling 190 MMel patients treated with ipilimumab, that PD-L1 expression on peripheral T cells was prognostic on overall and progression-free survival. Moreover, detectable CD137 on circulating CD8+ T cells was associated with the disease-free status of resected stage III MMel patients after adjuvant ipilimumab + nivolumab (but not nivolumab alone). These biomarkers should be validated in prospective trials in MMel.The clinical management of metastatic melanoma requires predictors of the response to checkpoint blockade. Here, the authors use immunological assays to identify potential prognostic/predictive biomarkers in circulating blood cells and in tumor-infiltrating lymphocytes from patients with resected stage III melanoma.
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Affiliation(s)
- N Jacquelot
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,University Paris-Saclay, Kremlin Bicêtre, 94 276, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - M P Roberti
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - D P Enot
- Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - S Rusakiewicz
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France.,CIC1428, Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - N Ternès
- University Paris-Saclay, Kremlin Bicêtre, 94 276, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Gustave Roussy, Université Paris-Saclay, Service de Biostatistique et d'Epidémiologie, Villejuif, F-94805, France
| | - S Jegou
- Saint Antoine Hospital, INSERM ERL 1157-CNRS UMR 7203, Paris, 75005, France
| | - D M Woods
- Laura & Isaac Perlmutter Cancer Center, New York University Medical Center, New York, NY, 10016, USA
| | - A L Sodré
- Laura & Isaac Perlmutter Cancer Center, New York University Medical Center, New York, NY, 10016, USA
| | - M Hansen
- Center for Cancer Immune Therapy, Department of Hematology and Oncology, Copenhagen University Hospital, Herlev, DK-2730, Denmark
| | - Y Meirow
- The Lautenberg Center for General and Tumor Immunology, BioMedical Research institute Israel Canada of the Faculty of Medicine, The Hebrew University Hadassah Medical School, Jerusalem, 91120, Israel
| | - M Sade-Feldman
- The Lautenberg Center for General and Tumor Immunology, BioMedical Research institute Israel Canada of the Faculty of Medicine, The Hebrew University Hadassah Medical School, Jerusalem, 91120, Israel
| | - A Burra
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, CA, 94143, USA
| | - S S Kwek
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, CA, 94143, USA
| | - C Flament
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,University Paris-Saclay, Kremlin Bicêtre, 94 276, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France.,CIC1428, Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - M Messaoudene
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - C P M Duong
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - L Chen
- Department of Immunobiology, Yale School of Medicine, 10 Amistad Street, New Haven, CT, 06519, USA
| | - B S Kwon
- Eutilex, Suite# 1401 Daeryung Technotown 17 Gasan Digital 1-ro 25, Geumcheon-gu, Seoul, 08594, Korea.,Section of Clinical Immunology, Allergy, and Rheumatology, Department of Medicine, Tulane University Health Sciences Center, New Orleans, LA, 70112, USA
| | - A C Anderson
- Evergrande Center for Immunologic Diseases and Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - V K Kuchroo
- Evergrande Center for Immunologic Diseases and Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - B Weide
- Department of Dermatology, University Medical Center Tübingen, Tübingen, 72076, Germany
| | - F Aubin
- Université de Franche Comté, EA3181, SFR4234, Service de Dermatologie, Centre Hospitalier Universitaire (CHU), Besançon, 25000, France
| | - C Borg
- Department of Medical Oncology, University Hospital of Besancon, 3 Boulevard Alexander Fleming, Besancon, F-25030, France.,Clinical Investigational Centre, CIC-1431, University Hospital of Besançon, Besançon, 25030, France.,INSERM U1098, University of Franche-Comté, Besançon, 25020, France
| | - S Dalle
- Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon and University Claude Bernard Lyon 1, Lyon, 69000, France.,Centre de Recherche en Cancérologie de Lyon, Lyon, 69000, France
| | - O Beatrix
- Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon and University Claude Bernard Lyon 1, Lyon, 69000, France
| | - M Ayyoub
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - B Balme
- Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon and University Claude Bernard Lyon 1, Lyon, 69000, France.,Department of Pathology, Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon, Lyon, 69000, France
| | - G Tomasic
- Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Department of Pathology, Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - A M Di Giacomo
- Medical Oncology and Immunotherapy Division, University Hospital of Siena, Viale Bracci, 14, Siena, 53100, Italy
| | - M Maio
- Medical Oncology and Immunotherapy, Department of Oncology, University Hospital of Siena, Instituto Toscano Tumori, Siena, 53100, Italy
| | - D Schadendorf
- Department of Dermatology, University Hospital, University Duisburg-Essen, Essen, Germany & German Cancer Consortium (DKTZ), Heidelberg, D-69120, Germany
| | - I Melero
- Division of Gene Therapy and Hepatology, Centre for Applied Medical Research, Pamplona, 31008, Spain.,Oncology Department, University Clinic of Navarra, Pamplona, 31008, Spain.,Centro de Investigación cBiomedica en Red de Oncologia, Pamplona, 31008, Spain
| | - B Dréno
- Department of Onco-dermatology, CIC Biotherapy, INSERM U1232, CHU Nantes, Nantes, 44000, France
| | - A Khammari
- Department of Onco-dermatology, CIC Biotherapy, INSERM U1232, CHU Nantes, Nantes, 44000, France
| | - R Dummer
- Department of Dermatology, University Hospital Zürich and University of Zürich, Zürich, 8091, Switzerland
| | - M Levesque
- Department of Dermatology, University Hospital Zürich and University of Zürich, Zürich, 8091, Switzerland
| | - Y Koguchi
- Earle A. Chiles Research Institute, Providence Cancer Center, Portland, OR, 97213, USA
| | - L Fong
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, CA, 94143, USA
| | - M Lotem
- Sharett Institute of Oncology, Hadassah Medical Organization, Jerusalem, 91120, Israel
| | - M Baniyash
- The Lautenberg Center for General and Tumor Immunology, BioMedical Research institute Israel Canada of the Faculty of Medicine, The Hebrew University Hadassah Medical School, Jerusalem, 91120, Israel
| | - H Schmidt
- Department of Oncology, Aarhus University Hospital, Aarhus, DK-8200, Denmark
| | - I M Svane
- Center for Cancer Immune Therapy, Department of Hematology and Oncology, Copenhagen University Hospital, Herlev, DK-2730, Denmark
| | - G Kroemer
- Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,INSERM U1138, Centre de Recherche des Cordeliers, Paris, 75006, France.,Equipe 11 labellisée par la Ligue contre le Cancer, Centre de Recherche des Cordeliers, Paris, 75006, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, 75006, France.,Université Pierre et Marie Curie, Paris, 75005, France.,Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, 75015, France
| | - A Marabelle
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Gustave Roussy Cancer Campus, Villejuif, 94800, France.,CIC1428, Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - S Michiels
- Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Gustave Roussy, Université Paris-Saclay, Service de Biostatistique et d'Epidémiologie, Villejuif, F-94805, France
| | - A Cavalcanti
- Gustave Roussy Cancer Campus, Villejuif, 94800, France.,Department of Surgery, Gustave Roussy Cancer Center, Villejuif, 94800, France.,Department of Dermatology, Gustave Roussy Cancer Center, Villejuif, 94800, France
| | - M J Smyth
- Immunology in Cancer and Infection Laboratory, QIMR Berghofer Medical Research Institute, Herston, QLD, 4006, Australia.,School of Medicine, University of Queensland, Herston, QLD, 4006, Australia
| | - J S Weber
- Laura & Isaac Perlmutter Cancer Center, New York University Medical Center, New York, NY, 10016, USA
| | - A M Eggermont
- Gustave Roussy Cancer Campus, Villejuif, 94800, France
| | - L Zitvogel
- INSERM U1015, Gustave Roussy Cancer Campus, Villejuif, 94800, France. .,University Paris-Saclay, Kremlin Bicêtre, 94 276, France. .,Gustave Roussy Cancer Campus, Villejuif, 94800, France. .,CIC1428, Gustave Roussy Cancer Campus, Villejuif, 94800, France. .,Gustave Roussy, Université Paris-Saclay, Service de Biostatistique et d'Epidémiologie, Villejuif, F-94805, France.
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Bhatia R, Farkouh M, Ivers N, Yin X, Myers D, Nesbitt G, Yared K, Edwards J, Hansen M, Wong B, Johri A, Udell J, Weinerman A, Rakowski H, Weiner R. P5224Improving the Appropriate Use of Transthoracic Echocardiography- The results of the Echo WISELY trial. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- R.S. Bhatia
- Women's College Hospital, Institute for Health Systems Solutions and Virtual Care, Toronto, Canada
| | - M. Farkouh
- University Health Network, Toronto, Canada
| | - N. Ivers
- Women's College Hospital, Institute for Health Systems Solutions and Virtual Care, Toronto, Canada
| | - X.C. Yin
- Women's College Hospital, Institute for Health Systems Solutions and Virtual Care, Toronto, Canada
| | - D. Myers
- St. Michael's Hospital, Toronto, Canada
| | - G. Nesbitt
- Mount Sinai Hospital of the University Health Network, Toronto, Canada
| | - K. Yared
- The Scarborough Hospital, Toronto, Canada
| | | | - M. Hansen
- Sunnybrook Health Sciences Centre, Toronto, Canada
| | - B.M. Wong
- Sunnybrook Health Sciences Centre, Toronto, Canada
| | - A. Johri
- Queen's University, Kingston, Canada
| | - J. Udell
- Women's College Hospital, Institute for Health Systems Solutions and Virtual Care, Toronto, Canada
| | - A. Weinerman
- Sunnybrook Health Sciences Centre, Toronto, Canada
| | | | - R.B. Weiner
- Brigham and Women's Hospital, Boston, United States of America
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Denecke K, Bamidis P, Bond C, Gabarron E, Househ M, Lau AYS, Mayer MA, Merolli M, Hansen M. Ethical Issues of Social Media Usage in Healthcare. Yearb Med Inform 2017; 10:137-47. [PMID: 26293861 DOI: 10.15265/iy-2015-001] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE Social media, web and mobile technologies are increasingly used in healthcare and directly support patientcentered care. Patients benefit from disease self-management tools, contact to others, and closer monitoring. Researchers study drug efficiency, or recruit patients for clinical studies via these technologies. However, low communication barriers in socialmedia, limited privacy and security issues lead to problems from an ethical perspective. This paper summarizes the ethical issues to be considered when social media is exploited in healthcare contexts. METHODS Starting from our experiences in social-media research, we collected ethical issues for selected social-media use cases in the context of patient-centered care. Results were enriched by collecting and analyzing relevant literature and were discussed and interpreted by members of the IMIA Social Media Working Group. RESULTS Most relevant issues in social-media applications are confidence and privacy that need to be carefully preserved. The patient-physician relationship can suffer from the new information gain on both sides since private information of both healthcare provider and consumer may be accessible through the Internet. Physicians need to ensure they keep the borders between private and professional intact. Beyond, preserving patient anonymity when citing Internet content is crucial for research studies. CONCLUSION Exploiting medical social-media in healthcare applications requires a careful reflection of roles and responsibilities. Availability of data and information can be useful in many settings, but the abuse of data needs to be prevented. Preserving privacy and confidentiality of online users is a main issue, as well as providing means for patients or Internet users to express concerns on data usage.
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Affiliation(s)
- K Denecke
- Kerstin Denecke, Innovation Center Computer Assisted Surgery, Semmelweisstr. 14, 04103 Leipzig, Germany, Tel.: +49 341 971 2002, Fax: +49 341 971 2009, E-mail:
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Christensen L, Camitz L, Illigen KE, Hansen M, Sarvaa R, Conaghan PG. Synovial incorporation of polyacrylamide hydrogel after injection into normal and osteoarthritic animal joints. Osteoarthritis Cartilage 2016; 24:1999-2002. [PMID: 27485850 DOI: 10.1016/j.joca.2016.07.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 06/23/2016] [Accepted: 07/19/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Polyacrylamide hydrogel (PAAG) is a non-toxic, non-degradable synthetic product, used for years in the augmentation of soft tissues. Preliminary results in animals and humans have suggested long-lasting beneficial effects on symptoms of osteoarthritis (OA). The aim of this histopathological study was to investigate whether intra-articular injection of PAAG is integrated into synovial tissue in normal and OA animal joints, and if this integration is sustained. METHODS (A) A prospective, controlled, longitudinal study of normal knee joints injected with PAAG was performed in 10 rabbits, following the animals up to 1 year, and (B) a post mortem examination was carried out up to 2 years post-injection on 18 horse joints which had previously been treated with 1-2 injections of 2 ml PAAG for clinically and radiologically diagnosed OA. RESULTS Integration of the injected gel was evident at day 10 in the rabbit and by day 14 in the horse, with proliferation and invasion of synovial cells into the gel. By day 90 in rabbit joints and day 30 in horse joints, the gel had formed a sub-synovial layer, which was traversed by thin strands of connective tissue with vessels and covered by a synovial lining facing the joint cavity. This histological appearance persisted up to 2 years post-injection in horse joints. CONCLUSION Intra-articular injection of PAAG results in a stable, long-lasting sub-synovial layer of gel traversed with thin strands of connective tissue. Further studies to explore potential effects on synovial inflammation and pain are warranted.
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Affiliation(s)
- L Christensen
- Department of Pathology, Herlev Hospital, University of Copenhagen, Denmark.
| | - L Camitz
- Camitz Equestrian, Glumsoe, Denmark.
| | - K E Illigen
- Statens Serum Institut, Copenhagen, Denmark.
| | - M Hansen
- Hojgaard Horse Hospital, Fuen, Denmark.
| | - R Sarvaa
- Felina Cat Clinic, Copenhagen, Denmark.
| | - P G Conaghan
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds and NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds, UK.
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Kongsted P, Ellebæk E, Borch T, Iversen T, Andersen R, Met Ö, Hansen M, Sengeløv L, Svane I. Dendritic cell vaccination in combination with docetaxel for patients with prostate cancer – a randomized phase II study. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw378.39] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Pickering W, Hansen M, Kjalke M, Ezban M. Factor VIII chromogenic assays can be used for potency labeling and postadministration monitoring of N8-GP. J Thromb Haemost 2016; 14:1579-87. [PMID: 27241682 DOI: 10.1111/jth.13375] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Indexed: 12/25/2022]
Abstract
UNLABELLED Essentials Chromogenic assays may be less variable than one-stage clot assays for measuring modified factor VIII. Chromogenic assays were evaluated for N8-GP potency labeling and postadministration monitoring. There was no significant difference between chromogenic assay kits for measuring N8-GP potency. Postadministration monitoring of N8-GP was comparable to turoctocog alfa for all kits tested. SUMMARY Background Factor VIII activity ( FVIII C) is commonly measured using one-stage activated partial thromboplastin time (aPTT)-based clot assays. Chromogenic assays are, however, an alternative, and potency assessment in Europe is performed using chromogenic assays. One-stage clot assays are in general associated with high variability, and modified FVIII products may add to this variability. FVIII chromogenic assays may be less affected. Objectives To evaluate available chromogenic assay kits for potency labeling of polyethylene glycol-glycoconjugated turoctocog alfa (turoctocog alfa pegol [N8-GP]) and to evaluate selected chromogenic kits for postadministration monitoring of N8-GP using turoctocog alfa (Novoeight(®) ) as comparator. Methods Six FVIII chromogenic assay kits were adapted to the European Pharmacopeia guidelines for potency labeling, including assessment of time to 50% FX activation. Four kits were adapted for postadministration monitoring using an ACL(®) TOP 500 analyzer. Severe hemophilia A plasma was spiked with N8-GP or turoctocog alfa to simulate postadministration samples. The World Health Organization (WHO) 8th International Standard (IS) FVIII concentrate was used as calibrator throughout. In addition, a plasma calibrator was used for postadministration samples. Results When measuring N8-GP potency, no significant difference using a 1% significance level was observed between kits. In simulated postadministration samples, all test kits were highly accurate and precise, except at low concentrations, with no significant difference between FVIII C (P > 0.05) measured using the different calibrators. However, values obtained using the WHO 8th IS were closer to labeled values. Conclusions Chromogenic assay kits tested measured consistent FVIII C for N8-GP potency and showed comparable results for N8-GP and turoctocog alfa in simulated postadministration samples.
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Affiliation(s)
- W Pickering
- Novo Nordisk A/S, Novo Nordisk Park, 2760, Måløv, Denmark
| | - M Hansen
- Novo Nordisk A/S, Novo Nordisk Park, 2760, Måløv, Denmark
| | - M Kjalke
- Novo Nordisk A/S, Novo Nordisk Park, 2760, Måløv, Denmark
| | - M Ezban
- Novo Nordisk A/S, Novo Nordisk Park, 2760, Måløv, Denmark
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