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Shen Y, Connolly E, Aiello M, Zhou C, Chappa P, Song H, Tippitak P, Clark T, Cardenas M, Prokhnevska N, Mariniello A, Pagadala MS, Dhere VR, Rafiq S, Kesarwala AH, Orthwein A, Thomas SN, Khan MK, Brandon Dixon J, Lesinski GB, Lowe MC, Kissick H, Yu DS, Paulos CM, Schmitt NC, Buchwald ZS. Radiation and anti-PD-L1 synergize by stimulating a stem-like T cell population in the tumor-draining lymph node. Res Sq 2024:rs.3.rs-3921977. [PMID: 38496632 PMCID: PMC10942568 DOI: 10.21203/rs.3.rs-3921977/v1] [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] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Radiotherapy (RT) and anti-PD-L1 synergize to enhance local and distant (abscopal) tumor control. However, clinical results in humans have been variable. With the goal of improving clinical outcomes, we investigated the underlying synergistic mechanism focusing on a CD8+ PD-1+ Tcf-1+ stem-like T cell subset in the tumor-draining lymph node (TdLN). Using murine melanoma models, we found that RT + anti-PD-L1 induces a novel differentiation program in the TdLN stem-like population which leads to their expansion and differentiation into effector cells within the tumor. Our data indicate that optimal synergy between RT + anti-PD-L1 is dependent on the TdLN stem-like T cell population as either blockade of TdLN egress or specific stem-like T cell depletion reduced tumor control. Together, these data demonstrate a multistep stimulation of stem-like T cells following combination therapy which is initiated in the TdLN and completed in the tumor.
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Affiliation(s)
- Yang Shen
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
- These authors contributed equally
| | - Erin Connolly
- Bioinformatics Graduate Program, Georgia Institute of Technology, Atlanta, GA, USA
- These authors contributed equally
| | - Meili Aiello
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Chengjing Zhou
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Prasanthi Chappa
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Haorui Song
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Patan Tippitak
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Tarralyn Clark
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Maria Cardenas
- Department of Urology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Nataliya Prokhnevska
- Marc and Jennifer Lipschultz Precision Immunology Institute, Icahn School of Medicine at Mount Sinai (ICMMS), New York City, NY, USA
| | - Annapaola Mariniello
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA, USA
| | - Meghana S. Pagadala
- Medical Scientist Training Program, University of California San Diego, La Jolla, CA USA
| | - Vishal R. Dhere
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Sarwish Rafiq
- Department of Hematology and Medical Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Aparna H. Kesarwala
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Alexandre Orthwein
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Susan N. Thomas
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Mohammad K. Khan
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - J. Brandon Dixon
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Gregory B. Lesinski
- Department of Hematology and Medical Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Michael C. Lowe
- Department of Surgery and Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Haydn Kissick
- Department of Urology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - David S. Yu
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Chrystal M. Paulos
- Department of Surgery and Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Nicole C. Schmitt
- Department of Otolaryngology - Head and Neck Surgery and Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Zachary S. Buchwald
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Lead contact
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Kanter K, Vance A, Kratz K, Haimes L, Clark T. Abstract No. 120 Increasing statin utilization among patients with peripheral arterial disease in the interventional radiology clinic. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.201] [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: 10/18/2022] Open
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Rigsby D, Clark T, Chittams J, Cohen R, Mantell M, Kobrin S, Trerotola S. Abstract No. 212 Percutaneous management of dialysis access steal syndrome can reduce need for surgery: outcomes from a single institution 20-year experience. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.293] [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: 10/18/2022] Open
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Rigsby D, Clark T, Cohen R, Chittams J, Mantell M, Kobrin S, Trerotola S. Abstract No. 205 Percutaneous angioplasty of distal brachial artery stenosis in dialysis access steal syndrome can result in clinically successful outcomes. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.286] [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: 10/18/2022] Open
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Markiewicz PJ, da Costa‐Luis C, Dickson J, Barnes A, Krokos G, MacKewn J, Clark T, Wimberley C, MacNaught G, Yaqub MM, Gispert JD, Hutton BF, Marsden P, Hammers A, Reader AJ, Ourselin S, Herholz K, Matthews JC, Barkhof F. Advanced quantitative evaluation of PET systems using the ACR phantom and NiftyPET software. Med Phys 2022; 49:3298-3313. [PMID: 35271742 PMCID: PMC9289925 DOI: 10.1002/mp.15596] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 01/14/2022] [Accepted: 01/24/2022] [Indexed: 11/11/2022] Open
Abstract
PURPOSE A novel phantom-imaging platform, a set of software tools, for automated and high-precision imaging of the American College of Radiology (ACR) positron emission tomography (PET) phantom for PET/magnetic resonance (PET/MR) and PET/computed tomography (PET/CT) systems is proposed. METHODS The key feature of this platform is the vector graphics design that facilitates the automated measurement of the knife-edge response function and hence image resolution, using composite volume of interest templates in a 0.5 mm resolution grid applied to all inserts of the phantom. Furthermore, the proposed platform enables the generation of an accurate μ $\mu$ -map for PET/MR systems with a robust alignment based on two-stage image registration using specifically designed PET templates. The proposed platform is based on the open-source NiftyPET software package used to generate multiple list-mode data bootstrap realizations and image reconstructions to determine the precision of the two-stage registration and any image-derived statistics. For all the analyses, iterative image reconstruction was employed with and without modeled shift-invariant point spread function and with varying iterations of the ordered subsets expectation maximization (OSEM) algorithm. The impact of the activity outside the field of view (FOV) was assessed using two acquisitions of 30 min each, with and without the activity outside the FOV. RESULTS The utility of the platform has been demonstrated by providing a standard and an advanced phantom analysis including the estimation of spatial resolution using all cylindrical inserts. In the imaging planes close to the edge of the axial FOV, we observed deterioration in the quantitative accuracy, reduced resolution (FWHM increased by 1-2 mm), reduced contrast, and background uniformity due to the activity outside the FOV. Although it slows convergence, the PSF reconstruction had a positive impact on resolution and contrast recovery, but the degree of improvement depended on the regions. The uncertainty analysis based on bootstrap resampling of raw PET data indicated high precision of the two-stage registration. CONCLUSIONS We demonstrated that phantom imaging using the proposed methodology with the metric of spatial resolution and multiple bootstrap realizations may be helpful in more accurate evaluation of PET systems as well as in facilitating fine tuning for optimal imaging parameters in PET/MR and PET/CT clinical research studies.
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Affiliation(s)
- Pawel J. Markiewicz
- Centre for Medical Image ComputingDepartment of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
- School of Biomedical Engineering and Imaging SciencesKing's College LondonUK
| | - Casper da Costa‐Luis
- Centre for Medical Image ComputingDepartment of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
- School of Biomedical Engineering and Imaging SciencesKing's College LondonUK
| | - J. Dickson
- Institute of Nuclear MedicineUniversity College London HospitalsLondonUK
| | - A. Barnes
- Institute of Nuclear MedicineUniversity College London HospitalsLondonUK
| | - G. Krokos
- School of Biomedical Engineering and Imaging SciencesKing's College LondonUK
| | - J. MacKewn
- School of Biomedical Engineering and Imaging SciencesKing's College LondonUK
| | - T. Clark
- Edinburgh ImagingThe University of EdinburghEdinburghUK
| | - C. Wimberley
- Edinburgh ImagingThe University of EdinburghEdinburghUK
| | - G. MacNaught
- Edinburgh ImagingThe University of EdinburghEdinburghUK
| | - M. M. Yaqub
- Department of Radiology and Nuclear MedicineAmsterdam UMCVrije UniversiteitAmsterdamNetherlands
| | - J. D. Gispert
- Barcelonaβeta Brain Research Center (BBRC)Pasqual Maragall FoundationBarcelonaSpain
| | - B. F. Hutton
- Institute of Nuclear MedicineUniversity College LondonLondonUK
| | - P. Marsden
- School of Biomedical Engineering and Imaging SciencesKing's College LondonUK
| | - A. Hammers
- School of Biomedical Engineering and Imaging SciencesKing's College LondonUK
| | - A. J. Reader
- School of Biomedical Engineering and Imaging SciencesKing's College LondonUK
| | - S. Ourselin
- School of Biomedical Engineering and Imaging SciencesKing's College LondonUK
| | - K. Herholz
- Division of Neuroscience & Experimental PsychologyUniversity of ManchesterUK
- Sheffield Institute for Translational NeuroscienceUniversity of SheffieldSheffieldUK
| | - J. C. Matthews
- Division of Neuroscience & Experimental PsychologyUniversity of ManchesterUK
| | - F. Barkhof
- Centre for Medical Image ComputingDepartment of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
- Department of Radiology and Nuclear MedicineAmsterdam UMCVrije UniversiteitAmsterdamNetherlands
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Vance A, Khaddash T, Patel S, Trerotola S, Clark T. Abstract No. 67 Spontaneous and assisted recanalization of hemodialysis access after prior failed thrombectomy and abandonment: the Lazarus phenomenon. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.488] [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: 10/21/2022] Open
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King D, Hume PA, Clark T, Foskett A, Barnes MJ. Training injury incidence in an amateur women's rugby union team in New Zealand over two consecutive seasons. J Sci Med Sport 2020; 24:544-548. [PMID: 33243595 DOI: 10.1016/j.jsams.2020.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 08/03/2020] [Revised: 11/03/2020] [Accepted: 11/04/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVES To describe the training injury incidence in amateur women's rugby union in New Zealand over two consecutive seasons. DESIGN A prospective cohort observational study METHODS: A total of 69 amateur women's rugby 15s team playerswere observed. Training exposure and training injury incidence were calculated. RESULTS The 38 training injuries resulted in a total injury incidence of 11.4 (8.3-15.6) per 1,000 training-hours. There were 12 injuries that resulted in a time-loss injury incidence of 3.6 (95% CI: 2.0-6.3) per 1,000 training-hours. Forwards recorded more total (RR: 1.8 [95% CI: 0.9-3.5]; p=0.0516) and time-loss (RR: 2.0 [95% CI: 0.6-6.6]; p=0.2482) injuries than Backs. The tackle was the most common injury cause for total (3.0 [95% CI: 1.6-5.6] per 1,000 training-hours.) injuries, but collisions (1.5 [95% CI: 0.6-3.6] per 1,000 training-hours.) with the ground or another person were the most common cause for time-loss injuries.The training injuries occurred most often to the lower limb and during the latter part of training sessions. These injuries were mostly minor in nature resulting in minimal time-loss away from training. DISCUSSION The time-loss injury incidence (3.6 per 1,000 training-hours.) for the amateur women's rugby 15s team players was higher than that reported for National (1.2 per 1,000 training-hours.) and Rugby World Cup for women (0.2 to 3.0 per 1,000 training-hours.) competitions. CONCLUSION The training injury incidence in amateur women's rugby union in New Zealand was higher than that reported for national and international rugby union injury incidences.
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Affiliation(s)
- D King
- School of Sport, Exercise and Nutrition, Massey University, New Zealand; School of Science and Technology, University of New England, Australia; Sports Performance Research Institute New Zealand (SPRINZ), Faculty of Health and Environmental Science, Auckland University of Technology, New Zealand; Traumatic Brain Injury Network (TBIN), Auckland University of Technology, New Zealand.
| | - P A Hume
- Sports Performance Research Institute New Zealand (SPRINZ), Faculty of Health and Environmental Science, Auckland University of Technology, New Zealand; National Institute of Stroke and Applied Neuroscience (NISAN), Faculty of Health and Environmental Science, Auckland University of Technology, New Zealand; Traumatic Brain Injury Network (TBIN), Auckland University of Technology, New Zealand
| | - T Clark
- International College of Management Sydney, Australia
| | - A Foskett
- School of Sport, Exercise and Nutrition, Massey University, New Zealand
| | - M J Barnes
- School of Sport, Exercise and Nutrition, Massey University, New Zealand
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Bing R, Andrews J, Williams M, Clark T, Semple S, Van Beek E, Lucatelli C, Sellers S, Leipsic J, Tavares A, Stephens A, Koglin N, Dweck M, Newby D. Thrombus formation on bioprosthetic aortic valves. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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
18F-GP1 is a novel radiotracer with a high affinity for the platelet glycoprotein IIb/IIIa receptor. Subclinical bioprosthetic valve thrombus has been postulated as a trigger for accelerated valve degeneration.
Purpose
To determine the feasibility of 18F-GP1 positron-emission tomography-computed tomography (PET-CT) for the detection of subclinical bioprosthetic aortic valve thrombus.
Methods
(i) Explanted degenerated aortic valve prostheses underwent histology and imaging. (ii) In a prospective observational study, patients with bioprosthetic aortic valve replacement (AVR) underwent echocardiography and 18F-GP1 PET-CT. Valves were assessed for hypoattenuating leaflet thickening (HALT), hypo-attenuation affection leaflet motion (HAM) and GP1 uptake.
Results
(i) GP1 correlated with thrombus on explanted valves (Figure). (ii) The first 6 patients (Table) were asymptomatic and had normally functioning surgical bioprostheses on echocardiography. At a median of 166 (range 122–189) days post-AVR, no patients had HALT or HAM on CT. There was avid focal GP1 uptake on the leaflets of all 6 patients which appeared most prominent along the leaflet edges (Figure). Only one patient had focal uptake in the valve frame, remote from the leaflets. In a separate cohort undergoing 18F-GP1 PET-CT for other conditions, there was no uptake on normal, native aortic valves (n=8).
Conclusion
For the first time, we demonstrate that 18F-GP1 PET-CT is a highly sensitive method of assessing platelet activation on bioprosthetic aortic valves. Despite the absence of CT evidence, early thrombus appeared to be a universal finding on recently implanted valve prostheses. The biological and clinical implications of subclinical bioprosthetic aortic valve thrombus have yet to be established.
GP1 uptake in AVR
Funding Acknowledgement
Type of funding source: Foundation. Main funding source(s): British Heart Foundation
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Affiliation(s)
- R Bing
- University of Edinburgh, Edinburgh, United Kingdom
| | - J Andrews
- University of Edinburgh, Edinburgh, United Kingdom
| | - M Williams
- University of Edinburgh, Edinburgh, United Kingdom
| | - T Clark
- University of Edinburgh, Edinburgh, United Kingdom
| | - S Semple
- University of Edinburgh, Edinburgh, United Kingdom
| | - E Van Beek
- University of Edinburgh, Edinburgh, United Kingdom
| | - C Lucatelli
- University of Edinburgh, Edinburgh, United Kingdom
| | - S Sellers
- University of British Columbia, Vancouver, Canada
| | - J Leipsic
- University of British Columbia, Vancouver, Canada
| | - A Tavares
- University of Edinburgh, Edinburgh, United Kingdom
| | | | - N Koglin
- Life Molecular Imaging, Berlin, Germany
| | - M Dweck
- University of Edinburgh, Edinburgh, United Kingdom
| | - D Newby
- University of Edinburgh, Edinburgh, United Kingdom
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Shackles C, Vance A, Mantell M, Redmond J, Reddy S, Clark T. 3:00 PM Abstract No. 308 Antegrade and retrograde crossing of chronic total occlusions using the outback reentry device. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.362] [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: 10/25/2022] Open
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Nworgu C, Cho J, Alkhatib S, Paik H, Fabrizio R, Hammelman B, Clark T, Shlansky-Goldberg R. 4:03 PM Abstract No. 172 Transradial versus transfemoral access for uterine fibroid embolization: a retrospective analysis of technical success, complications, fluoroscopy time, and imaging outcomes. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.208] [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: 10/25/2022] Open
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11
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Barrette L, Vance A, Mantell M, Kratz K, Redmond J, Clark T. 4:21 PM Abstract No. 51 Safety and efficacy of arterial closure devices following antegrade femoral access: a case-control study. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.074] [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: 10/25/2022] Open
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Wayne P, Cooper S, Simons D, Trueba-Monje I, Freelong D, Vigil G, Vorobieff P, Truman CR, Vorob’ev V, Clark T. Dalton's and Amagat's laws fail in gas mixtures with shock propagation. Sci Adv 2019; 5:eaax4749. [PMID: 31840065 PMCID: PMC6897548 DOI: 10.1126/sciadv.aax4749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 09/19/2019] [Indexed: 06/10/2023]
Abstract
A shock propagating through a gas mixture leads to pressure, temperature, and density increases across the shock front. Rankine-Hugoniot relations correlating pre- and post-shock quantities describe a calorically perfect gas but deliver a good approximation for real gases, provided the pre-shock conditions are well characterized with a thermodynamic mixing model. Two classic thermodynamic models of gas mixtures are Dalton's law of partial pressures and Amagat's law of partial volumes. We measure post-shock temperature and pressure in experiments with nonreacting binary mixtures of sulfur hexafluoride and helium (two dramatically disparate gases) and show that neither model can accurately predict the observed values, on time scales much longer than that of the shock front passage, due to the models' implicit assumptions about mixture behavior on the molecular level. However, kinetic molecular theory can help account for the discrepancy. Our results provide starting points for future theoretical work, experiments, and code validation.
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Affiliation(s)
- P. Wayne
- Mechanical Engineering Department, University of New Mexico, Albuquerque, NM 87131, USA
| | - S. Cooper
- J. Mike Walker’ 66 Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - D. Simons
- Department of Aeronautics and Astronautics, Air Force Institute of Technology, Wright-Patterson AFB, OH 45433, USA
| | - I. Trueba-Monje
- Aerospace Engineering Department, The Ohio State University, Columbus, OH 43210, USA
| | - D. Freelong
- Mechanical Engineering Department, University of New Mexico, Albuquerque, NM 87131, USA
| | - G. Vigil
- Mechanical Engineering Department, University of New Mexico, Albuquerque, NM 87131, USA
| | - P. Vorobieff
- Mechanical Engineering Department, University of New Mexico, Albuquerque, NM 87131, USA
| | - C. R. Truman
- Mechanical Engineering Department, University of New Mexico, Albuquerque, NM 87131, USA
| | - V. Vorob’ev
- Joint Institute for High Temperatures, Russian Academy of Science, Moscow 125412, Russia
| | - T. Clark
- Mechanical Engineering Department, University of New Mexico, Albuquerque, NM 87131, USA
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Hughes D, Dailianis AE, Hill L, McIntyre DA, Anderson A, Anderson A, Barrat C, Battista K, Beatty S, Blanch T, Briones D, Brooks R, Brown J, Burnie A, Clark T, Dailianis A, Destro C, Dijs B, Dombroski P, Fyfe R, Gebler J, Gerry A, Graham T, Hadjimichael D, Heaton S, Hetrick S, High E, Hill L, Hirt B, Hulett B, Hussain Z, Kalinowski R, Kerr D, Matouchi N, Maycock L, Munyard S, Murphy M, Remes A, Ristov K, Robbins R, Rodriquez R, Shebuski J, Simes V, Smith K, Vanderpoel S, Wang D. TECRA® Unique™ Test for Rapid Detection of Salmonella in Food: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/84.2.416] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
The TECRA® Unique™ Salmonella test uses the principle of immunoenrichment to allow rapid detection of Salmonellae in food. A collaborative study was conducted to compare the TECRA Salmonella Unique test with the reference culture method given in the U.S. Food and Drug Administration's Bacteriological Analytical Manual. Three food types (milk powder, pepper, and soy flour) were analyzed in Australia and 2 food types (milk chocolate and dried egg) were analyzed in the United States. Forty-one collaborators participated in the study. For each of the 5 foods at each of the 3 levels, a comparison showed no significant differences (p ≥ 0.05) in the proportion of positive test samples for Unique and that for the reference method using the Chi-square test for independence with continuity correction.
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Affiliation(s)
- Denise Hughes
- TECRA International, 13 Rodborough Rd, French's Forest, NSW 2086, Australia
| | - Angela E Dailianis
- TECRA International, 13 Rodborough Rd, French's Forest, NSW 2086, Australia
| | - Louise Hill
- TECRA International, 13 Rodborough Rd, French's Forest, NSW 2086, Australia
| | - Deborah A McIntyre
- R-TECH Laboratories, Lexington Ave, N. Arden Hills, Minneapolis, MN 55126
| | - Aimee Anderson
- R-TECH Laboratories, Lexington Ave, N. Arden Hills, Minneapolis, MN 55126
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Gangar V, Curiale MS, D’Onorio A, Schultz A, Johnson RL, Atrache V, Agin J, Allen M, Armstrong T, Chaney T, Chang P, Chavey C, Clark T, Clover J, Cook P, Copeland F, Courtney T, Davis B, D’Onorio A, Downs D, Fender M, Foster T, Fox W, Hagen H, Hall C, High E, Kalik M, Kallstrom C, Keith M, Kruegel W, Lee J, Lewus C, Light D, Lindgren S, Mills J, Minor J, Murphy M, Muzzy T, Raghubeer E, Robbins R, Salinitro A, Saunders L, Sayer T, Schultz A, Sumpter R, Traux T, Vought K, Witt J, Yonker D. VIDAS® Enzyme-Linked Immunofluorescent Assay for Detection of Listeria in Foods: Collaborative Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/83.4.903] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [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 VIDAS LIS method and the traditional culture methods for detection of Listeria species in food were evaluated in a multilaboratory comparative study. The 6 foods tested were either naturally contaminated or inoculated with 3 different concentrations of Listeria. Results for each food and each contamination level with the VIDAS LIS method were as good as or better than those obtained with the traditional culture method. Of 1558 samples tested, 935 were positive: 839 by the VIDAS method and 809 by standard culture methods. Overall false negative rates were 10.3 and 13.5% for the VIDAS LIS and culture methods, respectively. The false positive rate for the VIDAS LIS assay was 1.4% based on 9 VIDAS LIS positive assays that did not confirm positive by isolation of Listeria. The agreement between the VIDAS LIS and culture methods for all samples tested was 86%.
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Affiliation(s)
- Vidhya Gangar
- Silliker Laboratories Group, Inc., Corporate Research Center, 160 Armory Dr, South Holland, IL 60473
| | - Michael S Curiale
- Silliker Laboratories Group, Inc., Corporate Research Center, 160 Armory Dr, South Holland, IL 60473
| | - Armando D’Onorio
- Silliker Laboratories Group, Inc., Corporate Research Center, 160 Armory Dr, South Holland, IL 60473
| | - Ann Schultz
- Silliker Laboratories Group, Inc., Corporate Research Center, 160 Armory Dr, South Holland, IL 60473
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Sheng M, Mantell M, Vance A, Shamimi-Noori S, Nadolski G, Reddy S, Stavropoulos S, Hunt S, Dagli M, Sudheendra D, Clark T. 03:09 PM Abstract No. 354 Treatment of non-maturing fistula for hemodialysis access via transradial approach: a case-control study. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.426] [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: 10/27/2022] Open
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Hakansson S, Jones M, Ristov M, Marcos L, Clark T, Ram A, Morey R, Franklin A, McCarthy C, Carli L, Ward R, Keech A. Intensity-dependent effects of aerobic training on pressure pain threshold in overweight men: A randomized trial. Eur J Pain 2018; 22:1813-1823. [DOI: 10.1002/ejp.1277] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/25/2018] [Indexed: 12/12/2022]
Affiliation(s)
- S. Hakansson
- School of Medical Sciences; University of New South Wales; Sydney Australia
- Department of Biomedicine; Karolinska Institutet; Stockholm Sweden
| | - M.D. Jones
- School of Medical Sciences; University of New South Wales; Sydney Australia
- Kirby Institute; University of New South Wales; Sydney Australia
- Neuroscience Research Australia; Sydney Australia
| | - M. Ristov
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - L. Marcos
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - T. Clark
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - A. Ram
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - R. Morey
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - A. Franklin
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - C. McCarthy
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - L.D. Carli
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - R. Ward
- School of Medical Sciences; University of New South Wales; Sydney Australia
| | - A. Keech
- School of Medical Sciences; University of New South Wales; Sydney Australia
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Eagleson C, Clark T, Hill B, Daniels B, Eagleson A, Goodwin H, Watkins S. Impact of meat and bone meal nutritional variability on broiler performance. J APPL POULTRY RES 2018. [DOI: 10.3382/japr/pfx053] [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: 11/20/2022] Open
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Tang WW, McGee P, Lachin JM, Li DY, Hoogwerf B, Hazen SL, Nathan D, Zinman B, Crofford O, Genuth S, Brown‐Friday J, Crandall J, Engel H, Engel S, Martinez H, Phillips M, Reid M, Shamoon H, Sheindlin J, Gubitosi‐Klug R, Mayer L, Pendegast S, Zegarra H, Miller D, Singerman L, Smith‐Brewer S, Novak M, Quin J, Genuth S, Palmert M, Brown E, McConnell J, Pugsley P, Crawford P, Dahms W, Gregory N, Lackaye M, Kiss S, Chan R, Orlin A, Rubin M, Brillon D, Reppucci V, Lee T, Heinemann M, Chang S, Levy B, Jovanovic L, Richardson M, Bosco B, Dwoskin A, Hanna R, Barron S, Campbell R, Bhan A, Kruger D, Jones J, Edwards P, Bhan A, Carey J, Angus E, Thomas A, Galprin A, McLellan M, Whitehouse F, Bergenstal R, Johnson M, Gunyou K, Thomas L, Laechelt J, Hollander P, Spencer M, Kendall D, Cuddihy R, Callahan P, List S, Gott J, Rude N, Olson B, Franz M, Castle G, Birk R, Nelson J, Freking D, Gill L, Mestrezat W, Etzwiler D, Morgan K, Aiello L, Golden E, Arrigg P, Asuquo V, Beaser R, Bestourous L, Cavallerano J, Cavicchi R, Ganda O, Hamdy O, Kirby R, Murtha T, Schlossman D, Shah S, Sharuk G, Silva P, Silver P, Stockman M, Sun J, Weimann E, Wolpert H, Aiello L, Jacobson A, Rand L, Rosenzwieg J, Nathan D, Larkin M, Christofi M, Folino K, Godine J, Lou P, Stevens C, Anderson E, Bode H, Brink S, Cornish C, Cros D, Delahanty L, eManbey ., Haggan C, Lynch J, McKitrick C, Norman D, Moore D, Ong M, Taylor C, Zimbler D, Crowell S, Fritz S, Hansen K, Gauthier‐Kelly C, Service F, Ziegler G, Barkmeier A, Schmidt L, French B, Woodwick R, Rizza R, Schwenk W, Haymond M, Pach J, Mortenson J, Zimmerman B, Lucas A, Colligan R, Luttrell L, Lopes‐Virella M, Caulder S, Pittman C, Patel N, Lee K, Nutaitis M, Fernandes J, Hermayer K, Kwon S, Blevins A, Parker J, Colwell J, Lee D, Soule J, Lindsey P, Bracey M, Farr A, Elsing S, Thompson T, Selby J, Lyons T, Yacoub‐Wasef S, Szpiech M, Wood D, Mayfield R, Molitch M, Adelman D, Colson S, Jampol L, Lyon A, Gill M, Strugula Z, Kaminski L, Mirza R, Simjanoski E, Ryan D, Johnson C, Wallia A, Ajroud‐Driss S, Astelford P, Leloudes N, Degillio A, Schaefer B, Mudaliar S, Lorenzi G, Goldbaum M, Jones K, Prince M, Swenson M, Grant I, Reed R, Lyon R, Kolterman O, Giotta M, Clark T, Friedenberg G, Sivitz W, Vittetoe B, Kramer J, Bayless M, Zeitler R, Schrott H, Olson N, Snetselaar L, Hoffman R, MacIndoe J, Weingeist T, Fountain C, Miller R, Johnsonbaugh S, Patronas M, Carney M, Mendley S, Salemi P, Liss R, Hebdon M, Counts D, Donner T, Gordon J, Hemady R, Kowarski A, Ostrowski D, Steidl S, Jones B, Herman W, Martin C, Pop‐Busui R, Greene D, Stevens M, Burkhart N, Sandford T, Floyd J, Bantle J, Flaherty N, Terry J, Koozekanani D, Montezuma S, Wimmergren N, Rogness B, Mech M, Strand T, Olson J, McKenzie L, Kwong C, Goetz F, Warhol R, Hainsworth D, Goldstein D, Hitt S, Giangiacomo J, Schade D, Canady J, Burge M, Das A, Avery R, Ketai L, Chapin J, Schluter M, Rich J, Johannes C, Hornbeck D, Schutta M, Bourne P, Brucker A, Braunstein S, Schwartz S, Maschak‐Carey B, Baker L, Orchard T, Cimino L, Songer T, Doft B, Olson S, Becker D, Rubinstein D, Bergren R, Fruit J, Hyre R, Palmer C, Silvers N, Lobes L, Rath PP, Conrad P, Yalamanchi S, Wesche J, Bratkowksi M, Arslanian S, Rinkoff J, Warnicki J, Curtin D, Steinberg D, Vagstad G, Harris R, Steranchak L, Arch J, Kelly K, Ostrosaka P, Guiliani M, Good M, Williams T, Olsen K, Campbell A, Shipe C, Conwit R, Finegold D, Zaucha M, Drash A, Morrison A, Malone J, Bernal M, Pavan P, Grove N, Tanaka E, McMillan D, Vaccaro‐Kish J, Babbione L, Solc H, DeClue T, Dagogo‐Jack S, Wigley C, Ricks H, Kitabchi A, Chaum E, Murphy M, Moser S, Meyer D, Iannacone A, Yoser S, Bryer‐Ash M, Schussler S, Lambeth H, Raskin P, Strowig S, Basco M, Cercone S, Zinman B, Barnie A, Devenyi R, Mandelcorn M, Brent M, Rogers S, Gordon A, Bakshi N, Perkins B, Tuason L, Perdikaris F, Ehrlich R, Daneman D, Perlman K, Ferguson S, Palmer J, Fahlstrom R, de Boer I, Kinyoun J, Van Ottingham L, Catton S, Ginsberg J, McDonald C, Harth J, Driscoll M, Sheidow T, Mahon J, Canny C, Nicolle D, Colby P, Dupre J, Hramiak I, Rodger N, Jenner M, Smith T, Brown W, May M, Lipps Hagan J, Agarwal A, Adkins T, Lorenz R, Feman S, Survant L, White N, Levandoski L, Grand G, Thomas M, Joseph D, Blinder K, Shah G, Burgess D, Boniuk I, Santiago J, Tamborlane W, Gatcomb P, Stoessel K, Ramos P, Fong K, Ossorio P, Ahern J, Gubitosi‐Klug R, Meadema‐Mayer L, Beck C, Farrell K, Genuth S, Quin J, Gaston P, Palmert M, Trail R, Dahms W, Lachin J, Backlund J, Bebu I, Braffett B, Diminick L, Gao X, Hsu W, Klumpp K, Pan H, Trapani V, Cleary P, McGee P, Sun W, Villavicencio S, Anderson K, Dews L, Younes N, Rutledge B, Chan K, Rosenberg D, Petty B, Determan A, Kenny D, Williams C, Cowie C, Siebert C, Steffes M, Arends V, Bucksa J, Nowicki M, Chavers B, O'Leary D, Polak J, Harrington A, Funk L, Crow R, Gloeb B, Thomas S, O'Donnell C, Soliman E, Zhang Z, Li Y, Campbell C, Keasler L, Hensley S, Hu J, Barr M, Taylor T, Prineas R, Feldman E, Albers J, Low P, Sommer C, Nickander K, Speigelberg T, Pfiefer M, Schumer M, Moran M, Farquhar J, Ryan C, Sandstrom D, Williams T, Geckle M, Cupelli E, Thoma F, Burzuk B, Woodfill T, Danis R, Blodi B, Lawrence D, Wabers H, Gangaputra S, Neill S, Burger M, Dingledine J, Gama V, Sussman R, Davis M, Hubbard L, Budoff M, Darabian S, Rezaeian P, Wong N, Fox M, Oudiz R, Kim L, Detrano R, Cruickshanks K, Dalton D, Bainbridge K, Lima J, Bluemke D, Turkbey E, der Geest ., Liu C, Malayeri A, Jain A, Miao C, Chahal H, Jarboe R, Nathan D, Monnier V, Sell D, Strauch C, Hazen S, Pratt A, Tang W, Brunzell J, Purnell J, Natarajan R, Miao F, Zhang L, Chen Z, Paterson A, Boright A, Bull S, Sun L, Scherer S, Lopes‐Virella M, Lyons T, Jenkins A, Klein R, Virella G, Jaffa A, Carter R, Stoner J, Garvey W, Lackland D, Brabham M, McGee D, Zheng D, Mayfield R, Maynard J, Wessells H, Sarma A, Jacobson A, Dunn R, Holt S, Hotaling J, Kim C, Clemens Q, Brown J, McVary K. Oxidative Stress and Cardiovascular Risk in Type 1 Diabetes Mellitus: Insights From the DCCT/EDIC Study. J Am Heart Assoc 2018. [PMCID: PMC6015340 DOI: 10.1161/jaha.117.008368] [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] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background
Hyperglycemia leading to increased oxidative stress is implicated in the increased risk for the development of macrovascular and microvascular complications in patients with type 1 diabetes mellitus.
Methods and Results
A random subcohort of 349 participants was selected from the
DCCT
/
EDIC
(Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications) cohort. This included 320 controls and 29 cardiovascular disease cases that were augmented with 98 additional known cases to yield a case cohort of 447 participants (320 controls, 127 cases). Biosamples from
DCCT
baseline, year 1, and closeout of
DCCT
, and 1 to 2 years post‐
DCCT
(
EDIC
years 1 and 2) were measured for markers of oxidative stress, including plasma myeloperoxidase, paraoxonase activity, urinary F
2α
isoprostanes, and its metabolite, 2,3 dinor‐8
iso
prostaglandin F
2α
. Following adjustment for glycated hemoblobin and weighting the observations inversely proportional to the sampling selection probabilities, higher paraoxonase activity, reflective of antioxidant activity, and 2,3 dinor‐8
iso
prostaglandin F
2α
, an oxidative marker, were significantly associated with lower risk of cardiovascular disease (−4.5% risk for 10% higher paraoxonase,
P
<0.003; −5.3% risk for 10% higher 2,3 dinor‐8
iso
prostaglandin F
2α
,
P
=0.0092). In contrast, the oxidative markers myeloperoxidase and F
2α
isoprostanes were not significantly associated with cardiovascular disease after adjustment for glycated hemoblobin. There were no significant differences between
DCCT
intensive and conventional treatment groups in the change in all biomarkers across time segments.
Conclusions
Heightened antioxidant activity (rather than diminished oxidative stress markers) is associated with lower cardiovascular disease risk in type 1 diabetes mellitus, but these biomarkers did not change over time with intensification of glycemic control.
Clinical Trial Registration
URL
:
https://www.clinicaltrials.gov
. Unique identifiers:
NCT
00360815 and
NCT
00360893.
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Affiliation(s)
- W.H. Wilson Tang
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
| | - Paula McGee
- The Biostatistics Center, George Washington University, Rockville, MD
| | - John M. Lachin
- The Biostatistics Center, George Washington University, Rockville, MD
| | - Daniel Y. Li
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
| | | | - Stanley L. Hazen
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
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Zaidat OO, Bozorgchami H, Ribó M, Saver JL, Mattle HP, Chapot R, Narata AP, Francois O, Jadhav AP, Grossberg JA, Riedel CH, Tomasello A, Clark WM, Nordmeyer H, Lin E, Nogueira RG, Yoo AJ, Jovin TG, Siddiqui AH, Bernard T, Claffey M, Andersson T, Ribo M, Hetts S, Hacke W, Mehta B, Hacein-Bey L, Kim A, Abou-Chebl A, Shabe P, Hetts S, Hacein-Bey L, Kim A, Abou-Chebl A, Dix J, Gurian J, Zink W, Dabus G, O’Leary, N, Reilly A, Lee K, Foley J, Dolan M, Hartley E, Clark T, Nadeau K, Shama J, Hull L, Brown B, Priest R, Nesbit G, Horikawa M, Hoak D, Petersen B, Beadell N, Herrick K, White C, Stacey M, Ford S, Liu J, Ribó M, Sanjuan, E, Sanchis M, Molina C, Rodríguez-Luna, D, Boned Riera S, Pagola J, Rubiera M, Juega J, Rodríguez N, Muller N, Stauder M, Stracke P, Heddier M, Charron V, Decock A, Herbreteau D, Bibi R, De Sloovere A, Doutreloigne I, Pieters D, Dewaele T, Bourgeois P, Vanhee F, Vanderdouckt P, Vancaster E, Baxendell L, Gilchrist V, Cannon Y, Graves C, Armbruster K, Jovin T, Jankowitz B, Ducruet A, Aghaebrahim A, Kenmuir C, Shoirah H, Molyneaux B, Tadi P, Walker G, Starr M, Doppelheuer S, Schindler K, Craft L, Schultz M, Perez H, Park J, Hall A, Mitchell A, Webb L, Haussen D, Frankel M, Bianchi N, Belagaje S, Mahdi N, Lahoti S, Katema A, Winningham M, Anderson A, Tilley D, Steinhauser T, Scott D, Thacker A, Calderon V, Lin E, Becke S, Krieter S, Jansen O, Wodarg F, Larsen N, Binder A, Wiesen C, Hartney M, Bookhagan L, Ross H, Gay J, Snyder K, Levy E, Davies J, Sonig A, Rangel-Castilla L, Mowla A, Shakir H, Fennell V, Atwal G, Natarajan S, Beecher J, Thornton J, Cullen A, Brennan P, O’Hare A, Asadi H, Budzik R, Taylor M, Jennings M, Laube F, Jackson J, Gatrell R, Reebel L, Albon A, Gerniak J, Groezinger K, Lauf M, Voraco N, Pema P, Davis T, Hicks W, Mejilla J, Teleb M, Sunenshine P, Russo E, Flynn R, Twyford J, Ver Hage A, Smith E, Apolinar L, Blythe S, Maxan J, Carter J, Taschner T, Bergmann U, Meckel S, Elsheik S, Urbach H, Maurer C, Egger K, Niesen W, Baxter B, Knox, A, Hazelwood B, Quarfordt S, Calvert J, Hawk H, Malek, R, Padidar A, Tolley U, Gutierrez A, Mordasini P, Seip T, Balasubramaniam R, Gralla J, Fischer U, Zibold F, Piechowiak E, DeLeacy R, Apruzzeses R, Alfonso C, Haslett J, Fifi J, Mocco J, Starkman S, Guzy, J, Grunberg N, Szeder V, Tateshima S, Duckwiler G, Nour M, Liebeskind D, Tang X, Hinman J, Tipirneni A, Yavagal D, Guada L, Bates K, Balladeras S, Bokka S, Suir S, Caplan J, Kandewall P, Peterson E, Starke R, Puri A, Hawk M, Brooks C, L’Heurex J, Ty K, Rex D, Massari F, Wakhloo A, Lozano D, Rodrigua K, Pierot L, Fabienne M, Sebastien S, Emmoinoli M. Primary Results of the Multicenter ARISE II Study (Analysis of Revascularization in Ischemic Stroke With EmboTrap). Stroke 2018; 49:1107-1115. [DOI: 10.1161/strokeaha.117.020125] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 02/05/2018] [Accepted: 02/26/2018] [Indexed: 02/04/2023]
Affiliation(s)
- Osama O. Zaidat
- From the Department of Neuroscience, Mercy St. Vincent Medical Center, Toledo, OH (O.O.Z., E.L.)
| | | | - Marc Ribó
- Department of Neuroradiology, Vall d’Hebron University Hospital, Barcelona, Spain (M.R., A.T.)
| | - Jeffrey L. Saver
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles (J.L.S.)
| | - Heinrich P. Mattle
- Department of Neurology, Inselspital, University of Bern, Switzerland (H.P.M.)
| | - René Chapot
- Department of Radiology and Neuroradiology, Alfried Krupp Krankenhaus, Essen, Germany (R.C., H.N.)
| | - Ana Paula Narata
- Centre Hospitalier Régional Universitaire, Hôpitaux de Tours, France (A.P.N.)
| | | | - Ashutosh P. Jadhav
- Department of Neurology, University of Pittsburgh Medical Center, PA (A.P.J., T.G.J.)
| | - Jonathan A. Grossberg
- Department of Neurosurgery, Emory University School of Medicine, Atlanta, GA (J.A.G., R.G.N.)
| | | | - Alejandro Tomasello
- Department of Neuroradiology, Karolinska University Hospital, Karolinska Institute, Stockholm, Sweden (T.A.)
| | - Wayne M. Clark
- Oregon Health and Science University Hospital, Portland (H.B., W.M.C.)
| | - Hannes Nordmeyer
- Department of Radiology and Neuroradiology, Alfried Krupp Krankenhaus, Essen, Germany (R.C., H.N.)
| | - Eugene Lin
- From the Department of Neuroscience, Mercy St. Vincent Medical Center, Toledo, OH (O.O.Z., E.L.)
| | - Raul G. Nogueira
- Department of Neurosurgery, Emory University School of Medicine, Atlanta, GA (J.A.G., R.G.N.)
| | - Albert J. Yoo
- Department of Interventional Radiology, Texas Stroke Institute, Dallas–Fort Worth (A.J.Y.)
| | - Tudor G. Jovin
- Department of Neurology, University of Pittsburgh Medical Center, PA (A.P.J., T.G.J.)
| | | | | | | | - Tommy Andersson
- Department of Neuroradiology, Vall d’Hebron University Hospital, Barcelona, Spain (M.R., A.T.)
- AZ Groeninge, Kortrijk, Belgium (O.F., T.A.)
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Serna J, Clark T, Dagli M, Mondschein J, Shlansky-Goldberg R, Stavropoulos S, Soulen M, Trerotola S, Nadolski G. 3:54 PM Abstract No. 288 Impact of PTFE-covered TIPS position relative to the hepatocaval junction on shunt patency. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.320] [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: 11/29/2022] Open
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Narsinh K, Dortche K, Brandis A, Redmond J, Clark T. 3:36 PM Abstract No. 155 Bare-metal, covered, and drug-eluting stent patency following recanalization of femoropopliteal chronic total occlusions. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.175] [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: 10/17/2022] Open
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Dirian K, Bauroth S, Roth A, Syrgiannis Z, Rigodanza F, Burian M, Amenitsch H, Sharapa DI, Prato M, Clark T, Guldi DM. A water-soluble, bay-functionalized perylenediimide derivative - correlating aggregation and excited state dynamics. Nanoscale 2018; 10:2317-2326. [PMID: 29327015 DOI: 10.1039/c7nr07870f] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The aggregation and the photophysics of a water soluble perylenediimide (PDI) derivative that features two bromine substituents in the bay positions has been probed. Non-fluorescent aggregates were found to be present at concentrations of 1.0 × 10-5 M. In situ small-angle X-ray scattering (SAXS) measurements and complementary molecular modeling showed the presence of PDI aggregates. In their singlet excited states, the PDI aggregates are characterized by distinct transient fingerprints and rapid deactivation, as revealed by pump-probe experiments on the femto-, pico-, nano-, and microsecond timescales. The product of this deactivation is a PDI triplet excited state. The efficiency of the triplet formation depends on the concentration, and hence on the degree of aggregation. Notably, for PDI concentrations in the range of the critical micelle concentration, the efficiency of intersystem crossing is close to zero. In short, we have demonstrated, for the first time, aggregation-induced formation of triplet excited states for PDI derivatives.
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Affiliation(s)
- K Dirian
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-University Erlangen-Nuernberg, 91058 Erlangen, Germany.
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Clark T, Jackson C, Bolkan H, Lewis C, Gilmour J. Adequacy of Informed Consent in Emergency General Surgery: An Audit to Investigate Current Practice in a Busy Surgical Emergency Unit. Int J Surg 2017. [DOI: 10.1016/j.ijsu.2017.08.219] [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: 10/18/2022]
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Shin B, Cohen R, Nadolski G, Redmond J, Brandis A, Clark T. Sustained dialysis adequacy of symmetric-tip dialysis catheter with helical flow characteristics. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.737] [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: 11/16/2022] Open
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Clark B, Redmond J, Brandis A, Clark T. Use of a novel hemostasis device after peripheral arterial access interventions. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.916] [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: 11/25/2022] Open
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Lance C, Hunt S, Shlansky-Goldberg R, Clark T, Stavropoulos S, Soulen M, Trerotola S, Nadolski G, Gade T. Endoscopic findings after embolization for upper gastrointestinal hemorrhage. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.665] [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: 11/16/2022] Open
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Reames B, Pawlik TM, Ejaz A, Marques H, Aldrighetti L, Maithel SK, Bauer TW, Shen F, Poultsides GA, Marsh JW, Popescu I, Sandroussi C, Clark T. Impact of major vascular resection on short- and long-term outcomes in patients with intrahepatic cholangiocarcinoma. J Clin Oncol 2017. [DOI: 10.1200/jco.2017.35.4_suppl.275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
275 Background: Major vascular (IVC or portal vein) resection for Intrahepatic Cholangiocarcinoma (ICC) has traditionally been considered a relative contraindication to resection. We sought to define perioperative outcomes and survival of ICC patients undergoing liver surgery with major vascular resection using a multi-institutional database. Methods: 1,087 ICC patients who underwent liver resection between 1990-2016 were identified from 13 participating institutions. Multivariable logistic and cox regressions were used to determine the impact of major vascular resection on perioperative outcomes and long-term overall survival. Results: Of 1,087 patients who underwent resection, 128(11.8%) also underwent major vascular resection [21(16.4%)IVC resections, 98(76.6%)PV resections, 9(7.0%)combined resections]. One hundred eighty-seven(17.2%) patients received neoadjuvant therapy. Most patients underwent a major hepatectomy involving ≥ 3 liver segments(n = 664,61.1%). On final pathology, the majority of patients had T1(40.4%) or T2(35.5%) tumors; 194(17.8%) had lymph node metastasis. Patients undergoing major vascular resection had more advanced T3/T4 tumors [44(34.4%) vs. 137(14.3%) without resection;P < 0.001]. Of note, major vascular resection was not associated with the risk of any complication (OR .680,95%CI 0.32-1.45) or major complication (OR 0.69,95%CI 0.35-1.33); post-operative mortality was also comparable between groups (OR 1.06, 95%CI 0.32-3.48). In addition, median recurrence-free (14.0 months vs.14.7 months, HR.737,95%CI .49-1.10) and overall (33.4 months vs.40.2 months, HR .709,95%CI.36-1.40) survival were similar among patients who did and did not undergo major vascular resection, respectively(both P > 0.05). Conclusions: Among patients with ICC, major vascular resection was not associated with increased peri-operative morbidity or mortality at major centers. Long-term outcomes following resection of ICC requiring vascular resection were also comparable to outcomes following resection of tumors without vascular involvement. Concurrent major vascular resection should be considered in appropriately selected ICC patients.
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Affiliation(s)
| | - Timothy M. Pawlik
- Department of Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Aslam Ejaz
- Johns Hopkins University School of Medicine, Baltimore, MD
| | | | | | | | - Todd W. Bauer
- Department of Surgery, University of Virginia, Charlottesville, VA
| | - Feng Shen
- Department of Hepatic Surgery, the Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | | | | | - Irinel Popescu
- Center of General Surgery and Liver Transplantation, Fundeni Clinical Institute of Digestive Diseases and Liver Transplantation, Bucharest, Romania
| | - Charbel Sandroussi
- Department of Hepatobiliary and Upper Gastrointestinal Surgery, Central Clinical School, University of Sydney, Sydney, Australia
| | - T Clark
- Medical College of Wisconsin, Milwaukee, WI
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Huang A, Rudnick M, Cohen R, Mantell M, Redmond J, Brandis A, Clark T. Prevalence and risk factors for acute hyperkalemia following dialysis access thrombectomy. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.1054] [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] Open
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King D, Hume P, Gissane C, Brughelli M, Clark T. The Influence of Head Impact Threshold for Reporting Data in Contact and Collision Sports: Systematic Review and Original Data Analysis. Sports Med 2016; 46:151-69. [PMID: 26545363 DOI: 10.1007/s40279-015-0423-7] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Head impacts and resulting head accelerations cause concussive injuries. There is no standard for reporting head impact data in sports to enable comparison between studies. OBJECTIVE The aim was to outline methods for reporting head impact acceleration data in sport and the effect of the acceleration thresholds on the number of impacts reported. METHODS A systematic review of accelerometer systems utilised to report head impact data in sport was conducted. The effect of using different thresholds on a set of impact data from 38 amateur senior rugby players in New Zealand over a competition season was calculated. RESULTS Of the 52 studies identified, 42% reported impacts using a >10-g threshold, where g is the acceleration of gravity. Studies reported descriptive statistics as mean ± standard deviation, median, 25th to 75th interquartile range, and 95th percentile. Application of the varied impact thresholds to the New Zealand data set resulted in 20,687 impacts of >10 g, 11,459 (45% less) impacts of >15 g, and 4024 (81% less) impacts of >30 g. DISCUSSION Linear and angular raw data were most frequently reported. Metrics combining raw data may be more useful; however, validity of the metrics has not been adequately addressed for sport. Differing data collection methods and descriptive statistics for reporting head impacts in sports limit inter-study comparisons. Consensus on data analysis methods for sports impact assessment is needed, including thresholds. Based on the available data, the 10-g threshold is the most commonly reported impact threshold and should be reported as the median with 25th and 75th interquartile ranges as the data are non-normally distributed. Validation studies are required to determine the best threshold and metrics for impact acceleration data collection in sport. CONCLUSION Until in-field validation studies are completed, it is recommended that head impact data should be reported as median and interquartile ranges using the 10-g impact threshold.
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Affiliation(s)
- D King
- Sports Performance Research Institute New Zealand, School of Sport and Recreation, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand. .,Emergency Department, Hutt Valley District Health Board, Private Bag 31-907, Lower Hutt, New Zealand.
| | - P Hume
- Sports Performance Research Institute New Zealand, School of Sport and Recreation, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand
| | - C Gissane
- School of Sport, Health and Applied Science, St Mary's University, Twickenham, Middlesex, UK
| | - M Brughelli
- Sports Performance Research Institute New Zealand, School of Sport and Recreation, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand
| | - T Clark
- Faculty of Human Performance, Australian College of Physical Education, Sydney Olympic Park, NSW, Australia
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Haines J, Hull J, Swaison J, Clark T, Niven R. M10 Living with relapsing polychondritis; a patient and carer engagement exploration. Thorax 2016. [DOI: 10.1136/thoraxjnl-2016-209333.452] [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: 11/04/2022]
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Stephens P, Clark T, Kennedy M, He J, Young G, Zhao M, Coyne M, Breese V, Young L, Zhong S, Bailey M, Fendler B, Miller V, Schleifman E, Peters E, Otto G, Lipson D, Ross J. Analytic validation of a clinical circulating tumor DNA assay for patients with solid tumors. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw380.01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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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Chen X, Haddish-Berhane N, Moore P, Clark T, Yang Y, Li H, Xuan D, Barton HA, Betts AM, Barletta F. Mechanistic Projection of First-in-Human Dose for Bispecific Immunomodulatory P-Cadherin LP-DART: An Integrated PK/PD Modeling Approach. Clin Pharmacol Ther 2016; 100:232-41. [DOI: 10.1002/cpt.393] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/05/2016] [Accepted: 05/06/2016] [Indexed: 12/19/2022]
Affiliation(s)
- X Chen
- Pharmacokinetics, Dynamics and Metabolism; Pfizer; Cambridge Massachusetts USA
| | - N Haddish-Berhane
- Pharmacokinetics, Dynamics and Metabolism; Pfizer; Groton Connecticut USA
- Current Address: Clinical Pharmacology and Pharmacometrics; Quantitative Sciences Janssen Pharmaceuticals, Spring House, Pennsylvania USA
| | - P Moore
- MacroGenics; Rockville; Maryland USA
| | - T Clark
- Pharmacokinetics, Dynamics and Metabolism; Pfizer; Groton Connecticut USA
| | - Y Yang
- MacroGenics; Rockville; Maryland USA
| | - H Li
- MacroGenics; Rockville; Maryland USA
| | - D Xuan
- Clinical Pharmacology; Pfizer; San Diego California USA
| | - HA Barton
- Pharmacokinetics, Dynamics and Metabolism; Pfizer; Groton Connecticut USA
| | - AM Betts
- Pharmacokinetics, Dynamics and Metabolism; Pfizer; Groton Connecticut USA
| | - F Barletta
- Pharmacokinetics, Dynamics and Metabolism; Pfizer; Pearl River New York USA
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Maharjan P, Clark T, Kuenzel C, Foy M, Watkins S. On farm monitoring of the impact of water system sanitation on microbial levels in broiler house water supplies. J APPL POULTRY RES 2016. [DOI: 10.3382/japr/pfw010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Margraf JT, Lodermeyer F, Strauss V, Haines P, Walter J, Peukert W, Costa RD, Clark T, Guldi DM. Using carbon nanodots as inexpensive and environmentally friendly sensitizers in mesoscopic solar cells. Nanoscale Horiz 2016; 1:220-226. [PMID: 32260624 DOI: 10.1039/c6nh00010j] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We discuss the use of carbon nanodots (CNDs) as sensitizers in mesoscopic solar cells. The CNDs are synthesized using a one-step, bottom-up microwave approach with citric acid, urea, and formic acid as precursors in aqueous media. Their light-harvesting capabilities can be tuned by adjusting the synthetic parameters. Comprehensive spectroscopic and theoretical studies allow us to rationalize the nature of their absorption features. Promising power conversion efficiencies (η) of 0.24% can be achieved from these cheap and eco-friendly sensitizers by optimizing the solar-cell assembly process. Interestingly, we found that extending the light absorption towards longer wavelengths does not necessarily improve the performance of the solar cells, since the longer-wavelength absorption features hardly contribute to the cells' photo-action spectra, so that the overall power conversion efficiency is actually worse. The origin of the lower performance is corroborated in transient absorption spectroscopy and photovoltage decay measurements. Our work points, on one hand, to the limits of as-synthesized CNDs as photosensitizers and, on the other hand, to possible improvements.
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Affiliation(s)
- J T Margraf
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstrasse 3, 91058 Erlangen, Germany.
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Bennett S, Gade T, Nadolski G, Clark T, Soulen M, Hunt S. Comparison of complication rates between palliative and curative intent lung ablations. J Vasc Interv Radiol 2016. [DOI: 10.1016/j.jvir.2015.12.620] [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: 11/29/2022] Open
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Ninalowo H, Redmond J, Cohen R, Trerotola S, Mantell M, Watts M, Mondschein J, Clark T. Embolization of dialysis access for ischemia or intractable arm swelling: safety and efficacy of embolization near the arterial anastomosis. J Vasc Interv Radiol 2016. [DOI: 10.1016/j.jvir.2015.12.424] [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: 10/22/2022] Open
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Parsons HA, Beaver JA, Cimino-Mathews A, Zorzi J, Slater S, Clark T, Lipson D, Ali SM, Kennedy M, Otto GA, Young LE, Jeter S, VanDenBerg DA, Rosner GL, Park BH, Stearns V. Abstract PD6-08: IMAGE: Individualized molecular analyses guide efforts in breast cancer with comprehensive genomic profiling of tissue and plasma tumor DNA. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-pd6-08] [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] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Standard treatment options for patients with metastatic triple negative breast cancer (TNBC) are limited to chemotherapy. Molecular profiling of tumors may allow for novel treatment recommendations.
Methods: We initiated a prospective study designated IMAGE. Women with newly progressing metastatic TNBC who received at least one line of prior chemotherapy were eligible. New metastatic biopsies were obtained for molecular profiling at study entry. Archived metastatic biopsy specimens were allowed if patients had not commenced new systemic therapy. The specimens were reviewed by the study pathologist and stained for ER, PR, HER2, and androgen receptor (AR) by immunohistochemistry. Specimens underwent hybrid-capture based comprehensive genomic profiling (CGP) (Foundation Medicine Inc., Cambridge, MA). Clinical data and genomic profiling reports were reviewed by the GAITWAY (Genomic Alterations in Tumors with Actionable Yields) Molecular Profile Tumor Board. Recommendations were communicated to the treating oncologist and patients were followed for treatment decision and clinical outcomes. Peripheral blood was also analyzed by an investigational assay for circulating plasma tumor DNA (ptDNA) (Foundation Medicine Inc.) at study entry, and when obtainable, from serial blood draws at time of progression. The primary objective was to assess feasibility of completing the process from consent to GAITWAY recommendations within 28 days for at least 80% of patients.
Results: From September 2013 to April 2015, we enrolled 26 eligible women. Median age was 55 (range 25-67); patients identified as white 12 (46%), black 11 (42%), or other 3 (12%); median number of prior lines of treatment was 3; and 65.4% of patients had visceral disease. Twenty (77%) eligible patients received CGP of a metastatic site biopsy. Six patients did not undergo CGP due to either absence of a metastatic site amenable for biopsy or inadequate tissue for CGP. The study met the predefined statistical endpoint for futility and was closed after 20 patients had undergone CGP. Twelve (60%) evaluable patients received treatment recommendations within 28 days of study consent. Failure to meet this time frame was due to difficulties in accessing archival tumor tissue (N=5) and need for additional tissue for molecular analysis (N=3). Preliminary results demonstrate high concordance between mutations in metastatic biopsies and ptDNA in 15/17 patients.
Enrolled in IMAGE26Successful NGS20Potentially actionable mutation identified15GAITWAY recommended targeted therapy as possible next treatment13Received targeted therapy4
Conclusions: CGP of patients with metastatic TNBC can provide additional information that may help direct treatment. However, difficulties in obtaining adequate tumor tissue may hinder this approach. Use of a well-validated ptDNA profiling assay could be an alternative to overcome these limitations.
Citation Format: Parsons HA, Beaver JA, Cimino-Mathews A, Zorzi J, Slater S, Clark T, Lipson D, Ali SM, Kennedy M, Otto GA, Young LE, Jeter S, VanDenBerg DA, Rosner GL, Park BH, Stearns V. IMAGE: Individualized molecular analyses guide efforts in breast cancer with comprehensive genomic profiling of tissue and plasma tumor DNA. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr PD6-08.
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Affiliation(s)
- HA Parsons
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - JA Beaver
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - A Cimino-Mathews
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - J Zorzi
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - S Slater
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - T Clark
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - D Lipson
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - SM Ali
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - M Kennedy
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - GA Otto
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - LE Young
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - S Jeter
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - DA VanDenBerg
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - GL Rosner
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - BH Park
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
| | - V Stearns
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Foundation Medicine, Inc., Cambridge, MA
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Ford AH, Clark T, Reynolds EC, Ross C, Shelley K, Simmonds L, Benger J, Soar J, Nolan JP, Thomas M. Management of cardiac arrest survivors in UK intensive care units: a survey of practice. J Intensive Care Soc 2015; 17:117-121. [PMID: 28979475 DOI: 10.1177/1751143715615151] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [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: 11/16/2022] Open
Abstract
BACKGROUND Cardiac arrest is a common presentation to intensive care units. There is evidence that management protocols between hospitals differ and that this variation is mirrored in patient outcomes between institutions, with standardised treatment protocols improving outcomes within individual units. It has been postulated that regionalisation of services may improve outcomes as has been shown in trauma, burns and stroke patients, however a national protocol has not been a focus for research. The objective of our study was to ascertain current management strategies for comatose post cardiac arrest survivors in intensive care in the United Kingdom. METHOD A telephone survey was carried out to establish the management of comatose post cardiac arrest survivors in UK intensive care units. All 235 UK intensive care units were contacted and 208 responses (89%) were received. RESULTS A treatment protocol is used in 172 units (82.7%). Emergency cardiology services were available 24 hours a day, 7 days a week in 54 (26%) hospitals; most units (123, 55.8%) transfer patients out for urgent coronary angiography. A ventilator care bundle is used in 197 units (94.7%) and 189 units (90.9%) have a policy for temperature management. Target temperature, duration and method of temperature control and rate of rewarming differ between units. Access to neurophysiology investigations was poor with 91 units (43.8%) reporting no availability. CONCLUSIONS Our results show that treatments available vary considerably between different UK institutions with only 28 units (13.5%) able to offer all aspects of care. This suggests the need for 'cardiac arrest care bundles' and regional centres to ensure cardiac arrests survivors have access to appropriate care.
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Affiliation(s)
- A H Ford
- Department of Anaesthetics, Bristol Royal Infirmary, Upper Maudlin Street, Bristol, UK
| | - T Clark
- Peninsula Deanery, Peninsula Postgraduate Medical Education, Plymouth, UK
| | | | - C Ross
- Imperial School of Anaesthesia, London Deanery, UK
| | - K Shelley
- MedSTAR, SA Health, Adelaide, SA, Australia
| | - L Simmonds
- Severn Deanery, Hambrook, Avon, Bristol, UK
| | - J Benger
- University Hospitals Bristol, Professor of Emergency Care, University of the West of England. Emergency Department, Bristol, UK
| | - J Soar
- Southmead Hospital, Southmead Road, Westbury-on-Trym, Bristol, UK
| | | | - M Thomas
- Department of Anaesthetics, University Hospitals Bristol, Bristol Royal Infirmary, Bristol, UK
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Hajj-Ali RA, Major J, Langford CA, Hoffman GS, Clark T, Zhang L, Sun Z, Silverstein RL. The interface of inflammation and subclinical atherosclerosis in granulomatosis with polyangiitis (Wegener's): a preliminary study. Transl Res 2015; 166:366-74. [PMID: 26024800 PMCID: PMC4862201 DOI: 10.1016/j.trsl.2015.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 03/27/2015] [Accepted: 04/01/2015] [Indexed: 11/18/2022]
Abstract
The objective of this study is to assess the relationship between inflammatory disease in granulomatosis with polyangiitis (GPA, Wegener's) and the development of subclinical atherosclerosis. A total of 46 adult patients with GPA were enrolled. Disease status was measured by Birmingham vasculitis assessment scores as modified for GPA, vasculitis damage index, disease duration, and number of relapses. Classic atherosclerotic risk factors, platelet aggregation responses, and circulating microparticle (MP) levels were recorded. All patients underwent carotid artery intima-media thickness (IMT) measurement as outcome for subclinical atherosclerosis. In univariate analyses, systolic and diastolic blood pressure, creatinine, and age were significantly associated with higher IMT (ρ values 0.37, 0.38, 0.35, and 0.054, respectively [P < 0.02 for all]). In a multiple regression model, greater number of relapses, older age at the onset of disease, and higher diastolic blood pressure were found to be associated with higher IMT (P values 0.003, <0.001, and 0.031, respectively). MP counts and platelet reactivity correlated well with disease activity in GPA. Furthermore, MPs were found to activate vascular endothelial cells and platelets in vitro. The cumulative burden of systemic inflammation in GPA correlated with the development of subclinical atherosclerosis. The correlation with subclinical atherosclerosis could be because of glucocorticoid use and not the inflammatory process in GPA, giving the inherent bias that exits with the use of glucocorticoid with each relapse. The findings of increased levels of circulating leukocyte-derived MPs and enhanced platelet reactivity during relapse suggest possible roles for MPs and platelets in disease pathogenesis and support a growing literature that links inflammation, atherosclerosis, and platelet activation. This hypothesis is further substantiated by our demonstration that MPs isolated from plasma of GPA patients can activate platelets and vascular endothelial cells.
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Affiliation(s)
- RA Hajj-Ali
- Cleveland Clinic, 9500 Euclid Avenue, Cleveland Ohio, 44195. USA
| | - J Major
- Cleveland Clinic, 9500 Euclid Avenue, Cleveland Ohio, 44195. USA
| | - CA Langford
- Cleveland Clinic, 9500 Euclid Avenue, Cleveland Ohio, 44195. USA
| | - GS Hoffman
- Cleveland Clinic, 9500 Euclid Avenue, Cleveland Ohio, 44195. USA
| | - T Clark
- Cleveland Clinic, 9500 Euclid Avenue, Cleveland Ohio, 44195. USA
| | - L Zhang
- University of California, San Francisco, 185 Berry Street, Suite 6614, UCSF Box 0981 San Francisco, CA 94107
| | - Z Sun
- Cleveland Clinic, 9500 Euclid Avenue, Cleveland Ohio, 44195. USA
| | - RL Silverstein
- Medical College of Wisconsin 9200 W Wisconsin Avenue Milwaukee, WI 53226
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King D, Hume P, Gissane C, Clark T. Use of the King-Devick test for sideline concussion screening in junior rugby league. J Neurol Sci 2015; 357:75-9. [PMID: 26152829 DOI: 10.1016/j.jns.2015.06.069] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [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: 03/25/2015] [Revised: 06/03/2015] [Accepted: 06/29/2015] [Indexed: 11/24/2022]
Abstract
AIM To determine whether the King-Devick (K-D) test used as a sideline test in junior rugby league players over 12 matches in a domestic competition season could identify witnessed and incidentally identified episodes of concussion. METHODS A prospective observational cohort study of a club level junior rugby league team (n=19) during the 2014 New Zealand competition season involved every player completing two pre-competition season baseline trials of the K-D test. Players removed from match participation, or who reported any signs or symptoms of concussion were assessed on the sideline with the K-D test and referred for further medical assessment. Players with a pre- to post-match K-D test difference >3s were referred for physician evaluation. RESULTS The baseline test-retest reliability of the K-D test was high (rs=0.86; p<0.0001). Seven concussions were medically identified in six players who recorded pre- to post-match K-D test times greater than 3s (mean change of 7.4s). Post-season testing of players demonstrated improvement of K-D time scores consistent with learning effects of using the K-D test (67.7s vs. 62.2s). DISCUSSION Although no witnessed concussions occurred during rugby play, six players recorded pre- to post-match changes with a mean delay of 4s resulting in seven concussions being subsequently confirmed post-match by health practitioners. All players were medically managed for a return to sports participation. CONCLUSION The K-D test was quickly and easily administered making it a practical sideline tool as part of the continuum of concussion assessment tools for junior rugby league players.
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Affiliation(s)
- D King
- Sports Performance Research Institute New Zealand (SPRINZ) at AUT Millennium, Faculty of Health and Environmental Science, Auckland University of Technology, Auckland, New Zealand; Department of Paramedicine, School of Clinical Sciences, Faculty of Health and Environmental Sciences, Auckland University of Technology, New Zealand.
| | - P Hume
- Sports Performance Research Institute New Zealand (SPRINZ) at AUT Millennium, Faculty of Health and Environmental Science, Auckland University of Technology, Auckland, New Zealand
| | - C Gissane
- School of Sport Health and Applied Science, St. Mary's University, Twickenham, Middlesex, United Kingdom
| | - T Clark
- Australian College of Physical Education, Faculty of Human Performance, Sydney Olympic Park, New South Wales, Australia
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Kentisbeer J, Leeson SR, Clark T, Malcolm HM, Cape JN. Correction: Influences on and patterns in total gaseous mercury (TGM) at Harwell, England. Environ Sci Process Impacts 2015; 17:700. [PMID: 25639606 DOI: 10.1039/c5em90005k] [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] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Correction for ‘Influences on and patterns in total gaseous mercury (TGM) at Harwell, England’ by J. Kentisbeer et al., Environ. Sci.: Processes Impacts, 2015, DOI: 10.1039/c4em00652f.
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Affiliation(s)
- J Kentisbeer
- Centre for Ecology & Hydrology, Bush Estate, Penicuik, EH26 0QB, UK.
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Kentisbeer J, Leeson SR, Clark T, Malcolm HM, Cape JN. Influences on and patterns in total gaseous mercury (TGM) at Harwell, England. Environ Sci Process Impacts 2015; 17:586-595. [PMID: 25608727 DOI: 10.1039/c4em00652f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Total gaseous mercury (TGM) was monitored during 2013 at the rural monitoring site, Harwell, England using the Tekran 2537A monitoring system. Average TGM for the year was 1.45 ± 0.24 ng m(-3). This is comparable to other northern hemisphere studies, but on average 0.5 ng m(-3) higher than at its sister monitoring station at Auchencorth Moss, Scotland, but 14% lower than that found in a similar study at the same location of 1.68 ng m(-3) in 1995/6. Using wind sector analysis we show the important influence of local emissions, with our data showing that the largest influence on TGM observed is that of the adjacent Science & Innovation campus, making the site more a 'suburban background'. By using co-located measurements of black carbon and sulphur dioxide as tracers, we present an initial investigation into the impact of the closure of Didcot A coal fired power station, which ceased operating in March 2013. Further analysis using air mass back trajectories shows the long-range contribution to TGM from continental Europe, and that the lowest levels are associated with marine air masses from the west.
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Affiliation(s)
- J Kentisbeer
- Centre for Ecology & Hydrology, Bush Estate, Penicuik, EH26 0QB, UK.
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Weber C, Ge B, Clark T, Soulen M, Nadolski G. Clinical outcomes of selective variceal coil embolization during PTFE-covered transjugular intrahepatic portosystemic shunt (TIPS) placement for variceal hemorrhage. J Vasc Interv Radiol 2015. [DOI: 10.1016/j.jvir.2014.12.252] [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] Open
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Chen J, Guzzo T, Malkowicz B, Clark T, Soulen M, Stavropoulos S. Complication and readmission rates following same day discharge after percutaneous renal tumor ablation. J Vasc Interv Radiol 2015. [DOI: 10.1016/j.jvir.2014.12.335] [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: 10/24/2022] Open
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45
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Gade T, Tucker E, Hunt S, Nakazawa M, Krock B, Wong W, Nadolski G, Clark T, Furth E, Schnall M, Soulen M, Simon C. Targeting the metabolic stress response in hepatocellular carcinoma to potentiate TACE-induced ischemia. J Vasc Interv Radiol 2015. [DOI: 10.1016/j.jvir.2014.12.053] [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: 10/24/2022] Open
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Hsu M, Weber C, Mohammed M, Gade T, Hunt S, Nadolski G, Clark T. Thermal changes during rheolytic mechanical thrombectomy. J Vasc Interv Radiol 2015. [DOI: 10.1016/j.jvir.2014.12.490] [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: 10/24/2022] Open
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Harsha A, Redmond J, Mantell M, Cohen R, Trerotola S, Clark T. Outcomes of early-cannulation PTFE interposition grafts for salvage of failing arteriovenous fistulae. J Vasc Interv Radiol 2015. [DOI: 10.1016/j.jvir.2014.12.047] [Citation(s) in RCA: 2] [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: 10/24/2022] Open
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48
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DePietro D, Shlansky-Goldberg R, Soulen M, Stavropoulos S, Mondschein J, Dagli M, Itkin M, Clark T, Trerotola S. Long-term outcomes of a benign biliary stricture protocol. J Vasc Interv Radiol 2015. [DOI: 10.1016/j.jvir.2014.12.101] [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: 11/29/2022] Open
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Abstract
We highlight recent progress in the field of electron transport through molecular bridges as integrative parts of electron donor–bridge–acceptor conjugates.
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Affiliation(s)
- C. Schubert
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM)
- Friedrich-Alexander-Universität Erlangen-Nürnberg
- 91058 Erlangen
- Germany
| | - J. T. Margraf
- Computer-Chemie-Centrum
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM)
- Friedrich-Alexander-Universität Erlangen-Nürnberg
- 91052 Erlangen
- Germany
| | - T. Clark
- Computer-Chemie-Centrum
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM)
- Friedrich-Alexander-Universität Erlangen-Nürnberg
- 91052 Erlangen
- Germany
| | - D. M. Guldi
- Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM)
- Friedrich-Alexander-Universität Erlangen-Nürnberg
- 91058 Erlangen
- Germany
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Abstract
The thermochromic and solvatochromic properties of a family of Lindqvist polyoxometalates are rationalized by experimental and computational methods.
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Affiliation(s)
- S. Herrmann
- Institute of Inorganic Chemistry I
- Ulm University
- 89081 Ulm
- Germany
| | - J. T. Margraf
- Department Chemistry and Pharmacy
- Computer-Chemistry-Center
- Friedrich-Alexander-University Erlangen-Nuremberg
- 91052 Erlangen
- Germany
| | - T. Clark
- Department Chemistry and Pharmacy
- Computer-Chemistry-Center
- Friedrich-Alexander-University Erlangen-Nuremberg
- 91052 Erlangen
- Germany
| | - C. Streb
- Institute of Inorganic Chemistry I
- Ulm University
- 89081 Ulm
- Germany
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