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Mirnezami AH, Drami I, Glyn T, Sutton PA, Tiernan J, Behrenbruch C, Guerra G, Waters PS, Woodward N, Applin S, Charles SJ, Rose SA, Denys A, Pape E, van Ramshorst GH, Baker D, Bignall E, Blair I, Davis P, Edwards T, Jackson K, Leendertse PG, Love-Mott E, MacKenzie L, Martens F, Meredith D, Nettleton SE, Trotman MP, van Hecke JJM, Weemaes AMJ, Abecasis N, Angenete E, Aziz O, Bacalbasa N, Barton D, Baseckas G, Beggs A, Brown K, Buchwald P, Burling D, Burns E, Caycedo-Marulanda A, Chang GJ, Coyne PE, Croner RS, Daniels IR, Denost QD, Drozdov E, Eglinton T, Espín-Basany E, Evans MD, Flatmark K, Folkesson J, Frizelle FA, Gallego MA, Gil-Moreno A, Goffredo P, Griffiths B, Gwenaël F, Harris DA, Iversen LH, Kandaswamy GV, Kazi M, Kelly ME, Kokelaar R, Kusters M, Langheinrich MC, Larach T, Lydrup ML, Lyons A, Mann C, McDermott FD, Monson JRT, Neeff H, Negoi I, Ng JL, Nicolaou M, Palmer G, Parnaby C, Pellino G, Peterson AC, Quyn A, Rogers A, Rothbarth J, Abu Saadeh F, Saklani A, Sammour T, Sayyed R, Smart NJ, Smith T, Sorrentino L, Steele SR, Stitzenberg K, Taylor C, Teras J, Thanapal MR, Thorgersen E, Vasquez-Jimenez W, Waller J, Weber K, Wolthuis A, Winter DC, Brangan G, Vimalachandran D, Aalbers AGJ, Abdul Aziz N, Abraham-Nordling M, Akiyoshi T, Alahmadi R, Alberda W, Albert M, Andric M, Angeles M, Antoniou A, Armitage J, Auer R, Austin KK, Aytac E, Baker RP, Bali M, Baransi S, Bebington B, Bedford M, Bednarski BK, Beets GL, Berg PL, Bergzoll C, Biondo S, Boyle K, Bordeianou L, Brecelj E, Bremers AB, Brunner M, Bui A, Burgess A, Burger JWA, Campain N, Carvalhal S, Castro L, Ceelen W, Chan KKL, Chew MH, Chok AK, Chong P, Christensen HK, Clouston H, Collins D, Colquhoun AJ, Constantinides J, Corr A, Coscia M, Cosimelli M, Cotsoglou C, Damjanovic L, Davies M, Davies RJ, Delaney CP, de Wilt JHW, Deutsch C, Dietz D, Domingo S, Dozois EJ, Duff M, Egger E, Enrique-Navascues JM, Espín-Basany E, Eyjólfsdóttir B, Fahy M, Fearnhead NS, Fichtner-Feigl S, Fleming F, Flor B, Foskett K, Funder J, García-Granero E, García-Sabrido JL, Gargiulo M, Gava VG, Gentilini L, George ML, George V, Georgiou P, Ghosh A, Ghouti L, Giner F, Ginther N, Glover T, Golda T, Gomez CM, Harris C, Hagemans JAW, Hanchanale V, Harji DP, Helbren C, Helewa RM, Hellawell G, Heriot AG, Hochman D, Hohenberger W, Holm T, Holmström A, Hompes R, Hornung B, Hurton S, Hyun E, Ito M, Jenkins JT, Jourand K, Kaffenberger S, Kapur S, Kanemitsu Y, Kaufman M, Kelley SR, Keller DS, Kersting S, Ketelaers SHJ, Khan MS, Khaw J, Kim H, Kim HJ, Kiran R, Koh CE, Kok NFM, Kontovounisios C, Kose F, Koutra M, Kraft M, Kristensen HØ, Kumar S, Lago V, Lakkis Z, Lampe B, Larsen SG, Larson DW, Law WL, Laurberg S, Lee PJ, Limbert M, Loria A, Lynch AC, Mackintosh M, Mantyh C, Mathis KL, Margues CFS, Martinez A, Martling A, Meijerink WJHJ, Merchea A, Merkel S, Mehta AM, McArthur DR, McCormick JJ, McGrath JS, McPhee A, Maciel J, Malde S, Manfredelli S, Mikalauskas S, Modest D, Morton JR, Mullaney TG, Navarro AS, Neto JWM, Nguyen B, Nielsen MB, Nieuwenhuijzen GAP, Nilsson PJ, Nordkamp S, O’Dwyer ST, Paarnio K, Pappou E, Park J, Patsouras D, Peacock O, Pfeffer F, Piqeur F, Pinson J, Poggioli G, Proud D, Quinn M, Oliver A, Radwan RW, Rajendran N, Rao C, Rasheed S, Rasmussen PC, Rausa E, Regenbogen SE, Reims HM, Renehan A, Rintala J, Rocha R, Rochester M, Rohila J, Rottoli M, Roxburgh C, Rutten HJT, Safar B, Sagar PM, Sahai A, Schizas AMP, Schwarzkopf E, Scripcariu D, Scripcariu V, Seifert G, Selvasekar C, Shaban M, Shaikh I, Shida D, Simpson A, Skeie-Jensen T, Smart P, Smith JJ, Solbakken AM, Solomon MJ, Sørensen MM, Spasojevic M, Steffens D, Stocchi L, Stylianides NA, Swartling T, Sumrien H, Swartking T, Takala H, Tan EJ, Taylor D, Tejedor P, Tekin A, Tekkis PP, Thaysen HV, Thurairaja R, Toh EL, Tsarkov P, Tolenaar J, Tsukada Y, Tsukamoto S, Tuech JJ, Turner G, Turner WH, Tuynman JB, Valente M, van Rees J, van Zoggel D, Vásquez-Jiménez W, Verhoef C, Vierimaa M, Vizzielli G, Voogt ELK, Uehara K, Wakeman C, Warrier S, Wasmuth HH, Weiser MR, Westney OL, Wheeler JMD, Wild J, Wilson M, Yano H, Yip B, Yip J, Yoo RN, Zappa MA. The empty pelvis syndrome: a core data set from the PelvEx collaborative. Br J Surg 2024; 111:znae042. [PMID: 38456677 PMCID: PMC10921833 DOI: 10.1093/bjs/znae042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 01/15/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND Empty pelvis syndrome (EPS) is a significant source of morbidity following pelvic exenteration (PE), but is undefined. EPS outcome reporting and descriptors of radicality of PE are inconsistent; therefore, the best approaches for prevention are unknown. To facilitate future research into EPS, the aim of this study is to define a measurable core outcome set, core descriptor set and written definition for EPS. Consensus on strategies to mitigate EPS was also explored. METHOD Three-stage consensus methodology was used: longlisting with systematic review, healthcare professional event, patient engagement, and Delphi-piloting; shortlisting with two rounds of modified Delphi; and a confirmatory stage using a modified nominal group technique. This included a selection of measurement instruments, and iterative generation of a written EPS definition. RESULTS One hundred and three and 119 participants took part in the modified Delphi and consensus meetings, respectively. This encompassed international patient and healthcare professional representation with multidisciplinary input. Seventy statements were longlisted, seven core outcomes (bowel obstruction, enteroperineal fistula, chronic perineal sinus, infected pelvic collection, bowel obstruction, morbidity from reconstruction, re-intervention, and quality of life), and four core descriptors (magnitude of surgery, radiotherapy-induced damage, methods of reconstruction, and changes in volume of pelvic dead space) reached consensus-where applicable, measurement of these outcomes and descriptors was defined. A written definition for EPS was agreed. CONCLUSIONS EPS is an area of unmet research and clinical need. This study provides an agreed definition and core data set for EPS to facilitate further research.
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West CT, West MA, Mirnezami AH, Drami I, Denys A, Glyn T, Sutton PA, Tiernan J, Behrenbruch C, Guerra G, Waters PS, Woodward N, Applin S, Charles SJ, Rose SA, Pape E, van Ramshorst GH, Aalbers AGJ, Abdul AN, Abecasis N, Abraham-Nordling M, Akiyoshi T, Alahmadi R, Alberda W, Albert M, Andric M, Angeles M, Angenete E, Antoniou A, Armitage J, Auer R, Austin KK, Aytac E, Aziz O, Bacalbasa N, Baker RP, Bali M, Baransi S, Baseckas G, Bebington B, Bedford M, Bednarski BK, Beets GL, Berg PL, Bergzoll C, Biondo S, Boyle K, Bordeianou L, Brecelj E, Bremers AB, Brown K, Brunner M, Buchwald P, Bui A, Burgess A, Burger JWA, Burling D, Burns E, Campain N, Carvalhal S, Castro L, Caycedo-Marulanda A, Ceelen W, Chan KKL, Chang GJ, Chew MH, Chok AK, Chong P, Christensen HK, Clouston H, Collins D, Colquhoun AJ, Constantinides J, Corr A, Coscia M, Cosimelli M, Cotsoglou C, Coyne PE, Croner RS, Damjanovic L, Daniels IR, Davies M, Davies RJ, Delaney CP, de Wilt JHW, Denost QD, Deutsch C, Dietz D, Domingo S, Dozois EJ, Drozdov E, Duff M, Egger E, Eglinton T, Enrique-Navascues JM, Espín-Basany E, Evans MD, Eyjólfsdóttir B, Fahy M, Fearnhead NS, Fichtner-Feigl S, Flatmark K, Fleming F, Flor B, Folkesson J, Foskett K, Frizelle FA, Funder J, Gallego MA, García-Granero E, García-Sabrido JL, Gargiulo M, Gava VG, Gentilini L, George ML, George V, Georgiou P, Ghosh A, Ghouti L, Gil-Moreno A, Giner F, Ginther N, Glover T, Goffredo P, Golda T, Gomez CM, Griffiths B, Gwenaël F, Harris C, Harris DA, Hagemans JAW, Hanchanale V, Harji DP, Helbren C, Helewa RM, Hellawell G, Heriot AG, Hochman D, Hohenberger W, Holm T, Holmström A, Hompes R, Hornung B, Hurton S, Hyun E, Ito M, Iversen LH, Jenkins JT, Jourand K, Kaffenberger S, Kandaswamy GV, Kapur S, Kanemitsu Y, Kaufman M, Kazi M, Kelley SR, Keller DS, Kelly ME, Kersting S, Ketelaers SHJ, Khan MS, Khaw J, Kim H, Kim HJ, Kiran R, Koh CE, Kok NFM, Kokelaar R, Kontovounisios C, Kose F, Koutra M, Kraft M, Kristensen HØ, Kumar S, Kusters M, Lago V, Lakkis Z, Lampe B, Langheinrich MC, Larach T, Larsen SG, Larson DW, Law WL, Laurberg S, Lee PJ, Limbert M, Loria A, Lydrup ML, Lyons A, Lynch AC, Mackintosh M, Mann C, Mantyh C, Mathis KL, Margues CFS, Martinez A, Martling A, Meijerink WJHJ, Merchea A, Merkel S, Mehta AM, McArthur DR, McCormick JJ, McDermott FD, McGrath JS, McPhee A, Maciel J, Malde S, Manfredelli S, Mikalauskas S, Modest D, Monson JRT, Morton JR, Mullaney TG, Navarro AS, Neeff H, Negoi I, Neto JWM, Nguyen B, Nielsen MB, Nieuwenhuijzen GAP, Nilsson PJ, Nordkamp S, O’Dwyer ST, Paarnio K, Palmer G, Pappou E, Park J, Patsouras D, Peacock A, Pellino G, Peterson AC, Pfeffer F, Piqeur F, Pinson J, Poggioli G, Proud D, Quinn M, Oliver A, Quyn A, Radwan RW, Rajendran N, Rao C, Rasheed S, Rasmussen PC, Rausa E, Regenbogen SE, Reims HM, Renehan A, Rintala J, Rocha R, Rochester M, Rohila J, Rothbarth J, Rottoli M, Roxburgh C, Rutten HJT, Safar B, Sagar PM, Sahai A, Saklani A, Sammour T, Sayyed R, Schizas AMP, Schwarzkopf E, Scripcariu D, Scripcariu V, Seifert G, Selvasekar C, Shaban M, Shaikh I, Shida D, Simpson A, Skeie-Jensen T, Smart NJ, Smart P, Smith JJ, Smith T, Solbakken AM, Solomon MJ, Sørensen MM, Spasojevic M, Steele SR, Steffens D, Stitzenberg K, Stocchi L, Stylianides NA, Swartling T, Sumrien H, Swartking T, Takala H, Tan EJ, Taylor C, Taylor D, Tejedor P, Tekin A, Tekkis PP, Teras J, Thanapal MR, Thaysen HV, Thorgersen E, Thurairaja R, Toh EL, Tsarkov P, Tolenaar J, Tsukada Y, Tsukamoto S, Tuech JJ, Turner G, Turner WH, Tuynman JB, Valente M, van Rees J, van Zoggel D, Vásquez-Jiménez W, Verhoef C, Vierimaa M, Vizzielli G, Voogt ELK, Uehara K, Wakeman C, Warrier S, Wasmuth HH, Weber K, Weiser MR, Westney OL, Wheeler JMD, Wild J, Wilson M, Wolthuis A, Yano H, Yip B, Yip J, Yoo RN, Zappa MA, Winter DC. Empty pelvis syndrome: PelvEx Collaborative guideline proposal. Br J Surg 2023; 110:1730-1731. [PMID: 37757457 PMCID: PMC10805575 DOI: 10.1093/bjs/znad301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/22/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023]
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Bhalla R, Furuyama W, Calvert J, Ball M, Dropkin B, Milam D, Kaufman M, Johnsen N. Impact of Health Literacy on Satisfaction Following Inflatable Penile Prosthesis Surgery. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.01.372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Wang W, Manas-Zloczower I, Kaufman M. Characterization of Distributive Mixing in Polymer Processing Equipment using Renyi Entropies. INT POLYM PROC 2022. [DOI: 10.1515/ipp-2001-0002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
A new method for characterization of distributive mixing in processing equipment, based on Renyi entropies, was developed. This method was applied to a twin-flight single screw extruder, in which tracer positions were determined through computer simulations of the flow field. The various entropies were calculated using particle concentrations in equal area domains of the mixer. Renyi entropies, which are function of a parameter β, were calculated for extruders of different lengths. We discuss the merit of using Renyi entropies for different values of β by pointing to the different mixing characteristics they probe. The relative Renyi entropy varies between 0 and 1 and represents a measure of distributive mixing quality, with 1 corresponding to perfect mixing and 0 corresponding to poorest mixing. We compare this new method of distributive mixing characterization to traditional ones based on the concepts of Scale and Intensity of Segregation, and the calculations based on Pairwise Correlations and Correlation Sums. The results show good agreement between the relative Renyi entropy and the traditional methods. Other advantages of the Renyi entropy such as reduced calculation time and geometric independence are discussed. For the case of a twin-flight single screw extruder, it is shown that a longer extruder is not necessarily more beneficial to distributive mixing.
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Dropkin B, Calvert J, Johnsen N, Milam D, Moses K, Kaufman M. 074 Health Literacy is Not Associated with Complication Rates after Urologic Prosthetic Surgery. J Sex Med 2021. [DOI: 10.1016/j.jsxm.2021.01.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Sliva MG, Sanders JK, Arendsen M, Baars A, Bhandari S, Boerma B, Broge J, Bueno M, Cherix G, Gates G, Hollembaek J, Kaufman M, Kraft C, Oerl L, Santos A, Schuep W, Wehrmann J. Vitamin D in Infant Formula and Enteral Products by Liquid Chromatography: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/79.1.73] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Results from a collaborative study of a new liquid chromatographic (LC) method for determination ofvitamin D in infant formulas and enteral products are presented. Each of 15 laboratories was provided with 11 blind duplicate samples covering a range ofapproximately 200-500 International Units/quart (normal dilution), a system suitability sample, and the U.S. Pharmacopeia ergo- and cholecalciferol standards. Product types included liquid and powder forms of milk (whey and casein), soy, and hydrolyzed protein-based infant formulas and enteral products. The method includes a single liquid-liquid extraction following saponification, solid-phase extraction,and then concentration by evaporation. An isocratic, nonaqueous, chromatographic system with reversed-phase, zero end- capped C18 column, and UV detector set at 265 nm are used. Statistical evaluation ofdata from participating laboratories showthe average reproducibility and repeatability of the method across all samples to be excellent, with RSDR and RSDr values of 13.48 and 9.44, respectively, after elimination of out liers. The LC method for determination of vitamin D in infant formulas and enteral products has been adopted by AOAC INTERNATIONAL.
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Dropkin B, Chisholm L, Dallmer J, Johnsen N, Milam D, Kaufman M. 029 Penile Prosthesis Insertion in the Era of Antibiotic Stewardship: Are Postoperative Antibiotics Necessary? J Sex Med 2020. [DOI: 10.1016/j.jsxm.2019.11.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Cervenka B, Olinde L, Gould E, Farwell D, Moore M, Kaufman M, Bewley A. Use of a non-ICU specialty ward for immediate post-operative management of head and neck free flaps; a randomized controlled trial. Oral Oncol 2019; 99:104464. [DOI: 10.1016/j.oraloncology.2019.104464] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/01/2019] [Accepted: 10/22/2019] [Indexed: 10/25/2022]
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Kaufman M, Conte J, Francis M, Han M, Chen A, Unadkat D, Khan M, Cubero I, Trivedi M, Truong J, Wickremesinghe P. 292 Assessing the Impact of Telemedicine on Nursing Home Transfers. Ann Emerg Med 2018. [DOI: 10.1016/j.annemergmed.2018.08.297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Dumortier P, Durodié F, Blackman T, Graham M, Helou W, Lerche E, Monakhov I, Noble C, Wooldridge E, Goulding R, Jacquet P, Kaufman M. Commissioning and first results of the reinstated JET ICRF ILA. FUSION ENGINEERING AND DESIGN 2017. [DOI: 10.1016/j.fusengdes.2017.05.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Pope H, Kanayama G, Jane's A, Hudson J, Brennan B, Jensen E, Kaufman M. Long-term anabolic-androgenic steroid (AAS) Use: A possible new risk factor for early dementia. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Kaufman M, Smith T. Perception of Vegetarian Dining by College Students in a University Setting. J Acad Nutr Diet 2017. [DOI: 10.1016/j.jand.2017.06.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Janku F, Razak A, Gordon M, Flynn D, Kaufman M, Pitman J, Smith B, Somaiah N, Jennings J, Salah S, Westwood D, Greensmith D, Jacobson J, Rosen O, George S. Encouraging activity of novel pan-KIT and PDGFRα inhibitor DCC-2618 in patients (pts) with Gastrointestinal Stromal Tumor (GIST). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx387] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Craig J, Broghammer J, Kaufman M, Milam D, Cleves M, McClung C, Brady J, Jones L, Gross M, Henry G, Brant W. 011 Outcomes after AUS Replacement due to Cuff Erosion: Results from a Multicenter Retrospective Analysis. J Sex Med 2017. [DOI: 10.1016/j.jsxm.2016.12.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Charles S, Rempel G, Rogers L, Rankin K, Williams E, Schuh M, Dragieva D, Mustafa S, Anthony S, Jelen A, Kaufman M, Kovacs A, McCrindle B, Nicholas D, Oechslin E, Sananes R, Mackie A. TEENS WITH CONGENITAL HEART DISEASE IN TRANSITION FROM PEDIATRIC TO ADULT CARE: QUALITATIVE EVALUATION OF NURSE-LED INTERVENTION TO SUPPORT TRANSITION READINESS. Can J Cardiol 2016. [DOI: 10.1016/j.cjca.2016.07.263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Valenzuela RM, Kaufman M, Balashov KE, Ito K, Buyske S, Dhib-Jalbut S. Predictive cytokine biomarkers of clinical response to glatiramer acetate therapy in multiple sclerosis. J Neuroimmunol 2016; 300:59-65. [PMID: 27390072 DOI: 10.1016/j.jneuroim.2016.06.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 06/13/2016] [Accepted: 06/21/2016] [Indexed: 11/25/2022]
Abstract
A prospective study of 62 patients with relapsing-remitting multiple sclerosis (RRMS) treated with Glatiramer acetate (GA) was conducted to evaluate the value of baseline and treatment-modulated cytokines in predicting the clinical response to the drug after 2years of therapy. There were 32 responders and 30 non-responders. GA upregulated Th2/regulatory cytokines and inhibited Th1 cytokines in sera or PBMC supernatants 3 and 6months into treatment. We found two prognostic models with clinical utility. A model based on IL-18 at baseline, the change in TNFa from baseline to 3months, the change in IL-4 from baseline to 6months, and the change in the log of the ratio of TNFa/IL-4 from baseline to 6months had an area under the curve (AUC) of 0.80. A high IL-18 level at baseline and a reduction of TNF-alpha over time are associated with a response to GA. Although the study identified predictive biomarkers of clinical response to GA, the results will need to be validated in other data sets.
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Bailly-Reyre A, Diep HT, Kaufman M. Phase transition and surface sublimation of a mobile Potts model. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2015; 92:042160. [PMID: 26565221 DOI: 10.1103/physreve.92.042160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Indexed: 06/05/2023]
Abstract
We study in this paper the phase transition in a mobile Potts model by the use of Monte Carlo simulation. The mobile Potts model is related to a diluted Potts model, which is also studied here by a mean-field approximation. We consider a lattice where each site is either vacant or occupied by a q-state Potts spin. The Potts spin can move from one site to a nearby vacant site. In order to study the surface sublimation, we consider a system of Potts spins contained in a recipient with a concentration c defined as the ratio of the number of Potts spins N(s) to the total number of lattice sites N(L)=N(x)×N(y)×N(z). Taking into account the attractive interaction between the nearest-neighboring Potts spins, we study the phase transitions as functions of various physical parameters such as the temperature, the shape of the recipient, and the spin concentration. We show that as the temperature increases, surface spins are detached from the solid phase to form a gas in the empty space. Surface order parameters indicate different behaviors depending on the distance to the surface. At high temperatures, if the concentration is high enough, the interior spins undergo a first-order phase transition to an orientationally disordered phase. The mean-field results are shown as functions of temperature, pressure, and chemical potential, which confirm in particular the first-order character of the transition.
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Kaufman M, Bebee B, Bailey J, Robbins R, Hart GK, Bellomo R. Laboratory tests to identify patients at risk of early major adverse events: a prospective pilot study. Intern Med J 2015; 44:1005-12. [PMID: 24942389 DOI: 10.1111/imj.12509] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 06/10/2014] [Indexed: 11/30/2022]
Abstract
BACKGROUND/AIMS To test whether commonly measured laboratory variables can identify surgical patients at risk of major adverse events (death, unplanned intensive care unit (ICU) admission or rapid response team (RRT) activation). METHODS We conducted a prospective observational study in a surgical ward of a university-affiliated hospital in a cohort of 834 surgical patients admitted for >24 h. We applied a previously validated multivariable model-derived risk assessment to each combined set of common laboratory tests to identify patients at risk. We compared the clinical course of such patients with that of control patients from the same ward who had blood tests but were identified as low risk. RESULTS We studied 7955 batches and 73,428 individual tests in 834 patients (males 55%; average age 65.8 ± 17.6 years). Among these patients, 66 (7.9%) were identified as 'high risk'. High-risk patients were older (75.9 vs 61.8 years of age; P < 0.0001), had much greater early (48 h) mortality (6/66 (9%) vs 4/768 (0.5%); P < 0.0001) and greater overall hospital mortality (11/66 (16.7%) vs 9/768 (1.2%); P < 0.0001). They also had more early (8/66 (12.1%) vs 14/768 (1.8%); P = 0.0001) and overall in-hospital unplanned ICU admissions (12/66 (18.2%) vs 18/768 (2.3%); P < 0.0001) and more early (26/66 (39.3%) vs 50/768 (6.5%); P < 0.0001) and overall in-hospital RRT calls (26/66 (39.4%) vs 55/768 (7.2%); P < 0.0001). CONCLUSIONS Commonly performed laboratory tests identify surgical ward patients at risk of early major adverse events. Further studies are needed to assess whether such identification system can be used to trigger interventions that help improve patient outcomes.
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Hanson C, Lyden E, Kaufman M, Jones G, Anderson-Berry A. OP021: Dynamics of 24,25-Hydroxyvitamin D3 in Premature Infants During Neonatal Intensive Care Unit Hospitalization. Clin Nutr 2014. [DOI: 10.1016/s0261-5614(14)50021-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Gottlieb Y, Klement E, Aroch I, Lavy E, Kaufman M, Samish M, Markovics A. Temporal association of ambient temperature and relative humidity with Spirocerca lupi infection of Onthophagus sellatus: a 14-year longitudinal study. Vet Parasitol 2014; 204:238-42. [PMID: 24929447 DOI: 10.1016/j.vetpar.2014.05.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2013] [Revised: 05/09/2014] [Accepted: 05/10/2014] [Indexed: 11/19/2022]
Abstract
The parasitic nematode Spirocerca lupi causes major morbidity and mortality in dogs. The scarab beetle Onthophagus sellatus is its major intermediate host in Israel. We investigated the prevalence of beetle infection by S. lupi in different years between 1994 and 2008. The average monthly maximum and minimum relative humidity (RH) and ambient temperature (AT) throughout the study period were calculated based on daily meteorological data. The infection prevalence decreased over the study period, possibly due to a chronological change resulting from increased preventive treatment of dogs against S. lupi, or climate change. Multivariate analysis was performed for these two hypotheses. Under the first hypothesis, chronological change was forced into the model, and environmental variables were inserted stepwise. The final model included beetle-collection date, minimum RH (RH min) during the month preceding beetle collection, its interaction with maximal AT (AT max) during that same month, and the interaction of maximal RH (RH max) and AT max, during the month of beetle collection. Under the second hypothesis, chronological change was not forced. The final model included RH max during the month of beetle collection, average RH (RHave) during the month preceding beetle collection, and its interaction with AT max during the latter month. The results suggest that under both hypotheses, RH and AT during the month preceding beetle collection influence S. lupi's ability to develop and survive in O. sellatus, and may be used to predict the risk to dogs of S. lupi infection.
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Salem M, Kaufman M, Shahrestani S, Al-Hajeili M, Jacobs J, Yoo G, Lin H, Smith D, Heilbrun L, Sukari A. Updated Results of a Phase 2 Study of Biweekly Dose-Intense Paclitaxel Plus Gemcitabine (GEM/TAX) in Patients With Recurrent Locoregional or Metastatic Head-and-Neck Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2013.11.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Tatarsky D, Kaufman M, Ginsburg D. Propellanes XVII. An Effect of Ring-Strain on the Synthesis of C-10 Propellanes. Isr J Chem 2013. [DOI: 10.1002/ijch.197100100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Stinson J, Spiegel L, Watanabe Duffy K, Tucker L, Stringer E, Hazel B, Hochman J, Gill N, Spadafora K, Kaufman M. THU0320 Development and testing of the readiness for adult care in rheumatology (RACER) questionnaire for adolescents with rheumatic conditions. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Alemaskin K, Manas–Zloczowe I, Kaufman M. Index for Simultaneous Dispersive and Distributive Mixing Characterization in Processing Equipment. INT POLYM PROC 2013. [DOI: 10.3139/217.1843] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Computer simulation of agglomerate dispersion and sequential distribution of all particles obtained in the system allows us to evaluate the overall mixing efficiency of processing equipment. Evaluation was based on a specific mixing index, calculated using the Shannon entropies for different size fractions. The index can be tailored to give preference to different particle size distributions, thus relating the quality of mixing to specific properties of the final product.
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Karalapillai D, Story D, Hart GK, Bailey M, Pilcher D, Schneider A, Kaufman M, Cooper DJ, Bellomo R. Postoperative hypothermia and patient outcomes after major elective non-cardiac surgery. Anaesthesia 2013; 68:605-11. [DOI: 10.1111/anae.12129] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2012] [Indexed: 01/05/2023]
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