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Nyquist A, Khangoora V, Shlobin O, Aryal S, King C, Singhal A, Ahmad K, Brown A, Nathan S. Transplantation of Occult Signet Ring Cell Carcinoma Mimicking Pulmonary Veno-Occlusive Disease. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Soulsby WD, Balmuri N, Cooley V, Gerber LM, Lawson E, Goodman S, Onel K, Mehta B, Abel N, Abulaban K, Adams A, Adams M, Agbayani R, Aiello J, Akoghlanian S, Alejandro C, Allenspach E, Alperin R, Alpizar M, Amarilyo G, Ambler W, Anderson E, Ardoin S, Armendariz S, Baker E, Balboni I, Balevic S, Ballenger L, Ballinger S, Balmuri N, Barbar-Smiley F, Barillas-Arias L, Basiaga M, Baszis K, Becker M, Bell-Brunson H, Beltz E, Benham H, Benseler S, Bernal W, Beukelman T, Bigley T, Binstadt B, Black C, Blakley M, Bohnsack J, Boland J, Boneparth A, Bowman S, Bracaglia C, Brooks E, Brothers M, Brown A, Brunner H, Buckley M, Buckley M, Bukulmez H, Bullock D, Cameron B, Canna S, Cannon L, Carper P, Cartwright V, Cassidy E, Cerracchio L, Chalom E, Chang J, Chang-Hoftman A, Chauhan V, Chira P, Chinn T, Chundru K, Clairman H, Co D, Confair A, Conlon H, Connor R, Cooper A, Cooper J, Cooper S, Correll C, Corvalan R, Costanzo D, Cron R, Curiel-Duran L, Curington T, Curry M, Dalrymple A, Davis A, Davis C, Davis C, Davis T, De Benedetti F, De Ranieri D, Dean J, Dedeoglu F, DeGuzman M, Delnay N, Dempsey V, DeSantis E, Dickson T, Dingle J, Donaldson B, Dorsey E, Dover S, Dowling J, Drew J, Driest K, Du Q, Duarte K, Durkee D, Duverger E, Dvergsten J, Eberhard A, Eckert M, Ede K, Edelheit B, Edens C, Edens C, Edgerly Y, Elder M, Ervin B, Fadrhonc S, Failing C, Fair D, Falcon M, Favier L, Federici S, Feldman B, Fennell J, Ferguson I, Ferguson P, Ferreira B, Ferrucho R, Fields K, Finkel T, Fitzgerald M, Fleming C, Flynn O, Fogel L, Fox E, Fox M, Franco L, Freeman M, Fritz K, Froese S, Fuhlbrigge R, Fuller J, George N, Gerhold K, Gerstbacher D, Gilbert M, Gillispie-Taylor M, Giverc E, Godiwala C, Goh I, Goheer H, Goldsmith D, Gotschlich E, Gotte A, Gottlieb B, Gracia C, Graham T, Grevich S, Griffin T, Griswold J, Grom A, Guevara M, Guittar P, Guzman M, Hager M, Hahn T, Halyabar O, Hammelev E, Hance M, Hanson A, Harel L, Haro S, Harris J, Harry O, Hartigan E, Hausmann J, Hay A, Hayward K, Heiart J, Hekl K, Henderson L, Henrickson M, Hersh A, Hickey K, Hill P, Hillyer S, Hiraki L, Hiskey M, Hobday P, Hoffart C, Holland M, Hollander M, Hong S, Horwitz M, Hsu J, Huber A, Huggins J, Hui-Yuen J, Hung C, Huntington J, Huttenlocher A, Ibarra M, Imundo L, Inman C, Insalaco A, Jackson A, Jackson S, James K, Janow G, Jaquith J, Jared S, Johnson N, Jones J, Jones J, Jones J, Jones K, Jones S, Joshi S, Jung L, Justice C, Justiniano A, Karan N, Kaufman K, Kemp A, Kessler E, Khalsa U, Kienzle B, Kim S, Kimura Y, Kingsbury D, Kitcharoensakkul M, Klausmeier T, Klein K, Klein-Gitelman M, Kompelien B, Kosikowski A, Kovalick L, Kracker J, Kramer S, Kremer C, Lai J, Lam J, Lang B, Lapidus S, Lapin B, Lasky A, Latham D, Lawson E, Laxer R, Lee P, Lee P, Lee T, Lentini L, Lerman M, Levy D, Li S, Lieberman S, Lim L, Lin C, Ling N, Lingis M, Lo M, Lovell D, Lowman D, Luca N, Lvovich S, Madison C, Madison J, Manzoni SM, Malla B, Maller J, Malloy M, Mannion M, Manos C, Marques L, Martyniuk A, Mason T, Mathus S, McAllister L, McCarthy K, McConnell K, McCormick E, McCurdy D, Stokes PMC, McGuire S, McHale I, McMonagle A, McMullen-Jackson C, Meidan E, Mellins E, Mendoza E, Mercado R, Merritt A, Michalowski L, Miettunen P, Miller M, Milojevic D, Mirizio E, Misajon E, Mitchell M, Modica R, Mohan S, Moore K, Moorthy L, Morgan S, Dewitt EM, Moss C, Moussa T, Mruk V, Murphy A, Muscal E, Nadler R, Nahal B, Nanda K, Nasah N, Nassi L, Nativ S, Natter M, Neely J, Nelson B, Newhall L, Ng L, Nicholas J, Nicolai R, Nigrovic P, Nocton J, Nolan B, Oberle E, Obispo B, O’Brien B, O’Brien T, Okeke O, Oliver M, Olson J, O’Neil K, Onel K, Orandi A, Orlando M, Osei-Onomah S, Oz R, Pagano E, Paller A, Pan N, Panupattanapong S, Pardeo M, Paredes J, Parsons A, Patel J, Pentakota K, Pepmueller P, Pfeiffer T, Phillippi K, Marafon DP, Phillippi K, Ponder L, Pooni R, Prahalad S, Pratt S, Protopapas S, Puplava B, Quach J, Quinlan-Waters M, Rabinovich C, Radhakrishna S, Rafko J, Raisian J, Rakestraw A, Ramirez C, Ramsay E, Ramsey S, Randell R, Reed A, Reed A, Reed A, Reid H, Remmel K, Repp A, Reyes A, Richmond A, Riebschleger M, Ringold S, Riordan M, Riskalla M, Ritter M, Rivas-Chacon R, Robinson A, Rodela E, Rodriquez M, Rojas K, Ronis T, Rosenkranz M, Rosolowski B, Rothermel H, Rothman D, Roth-Wojcicki E, Rouster-Stevens K, Rubinstein T, Ruth N, Saad N, Sabbagh S, Sacco E, Sadun R, Sandborg C, Sanni A, Santiago L, Sarkissian A, Savani S, Scalzi L, Schanberg L, Scharnhorst S, Schikler K, Schlefman A, Schmeling H, Schmidt K, Schmitt E, Schneider R, Schollaert-Fitch K, Schulert G, Seay T, Seper C, Shalen J, Sheets R, Shelly A, Shenoi S, Shergill K, Shirley J, Shishov M, Shivers C, Silverman E, Singer N, Sivaraman V, Sletten J, Smith A, Smith C, Smith J, Smith J, Smitherman E, Soep J, Son M, Spence S, Spiegel L, Spitznagle J, Sran R, Srinivasalu H, Stapp H, Steigerwald K, Rakovchik YS, Stern S, Stevens A, Stevens B, Stevenson R, Stewart K, Stingl C, Stokes J, Stoll M, Stringer E, Sule S, Sumner J, Sundel R, Sutter M, Syed R, Syverson G, Szymanski A, Taber S, Tal R, Tambralli A, Taneja A, Tanner T, Tapani S, Tarshish G, Tarvin S, Tate L, Taxter A, Taylor J, Terry M, Tesher M, Thatayatikom A, Thomas B, Tiffany K, Ting T, Tipp A, Toib D, Torok K, Toruner C, Tory H, Toth M, Tse S, Tubwell V, Twilt M, Uriguen S, Valcarcel T, Van Mater H, Vannoy L, Varghese C, Vasquez N, Vazzana K, Vehe R, Veiga K, Velez J, Verbsky J, Vilar G, Volpe N, von Scheven E, Vora S, Wagner J, Wagner-Weiner L, Wahezi D, Waite H, Walker J, Walters H, Muskardin TW, Waqar L, Waterfield M, Watson M, Watts A, Weiser P, Weiss J, Weiss P, Wershba E, White A, Williams C, Wise A, Woo J, Woolnough L, Wright T, Wu E, Yalcindag A, Yee M, Yen E, Yeung R, Yomogida K, Yu Q, Zapata R, Zartoshti A, Zeft A, Zeft R, Zhang Y, Zhao Y, Zhu A, Zic C. Social determinants of health influence disease activity and functional disability in Polyarticular Juvenile Idiopathic Arthritis. Pediatr Rheumatol Online J 2022; 20:18. [PMID: 35255941 PMCID: PMC8903717 DOI: 10.1186/s12969-022-00676-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 02/07/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Social determinants of health (SDH) greatly influence outcomes during the first year of treatment in rheumatoid arthritis, a disease similar to polyarticular juvenile idiopathic arthritis (pJIA). We investigated the correlation of community poverty level and other SDH with the persistence of moderate to severe disease activity and functional disability over the first year of treatment in pJIA patients enrolled in the Childhood Arthritis and Rheumatology Research Alliance Registry. METHODS In this cohort study, unadjusted and adjusted generalized linear mixed effects models analyzed the effect of community poverty and other SDH on disease activity, using the clinical Juvenile Arthritis Disease Activity Score-10, and disability, using the Child Health Assessment Questionnaire, measured at baseline, 6, and 12 months. RESULTS One thousand six hundred eighty-four patients were identified. High community poverty (≥20% living below the federal poverty level) was associated with increased odds of functional disability (OR 1.82, 95% CI 1.28-2.60) but was not statistically significant after adjustment (aOR 1.23, 95% CI 0.81-1.86) and was not associated with increased disease activity. Non-white race/ethnicity was associated with higher disease activity (aOR 2.48, 95% CI: 1.41-4.36). Lower self-reported household income was associated with higher disease activity and persistent functional disability. Public insurance (aOR 1.56, 95% CI 1.06-2.29) and low family education (aOR 1.89, 95% CI 1.14-3.12) was associated with persistent functional disability. CONCLUSION High community poverty level was associated with persistent functional disability in unadjusted analysis but not with persistent moderate to high disease activity. Race/ethnicity and other SDH were associated with persistent disease activity and functional disability.
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Ahern DJ, Ai Z, Ainsworth M, Allan C, Allcock A, Angus B, Ansari MA, Arancibia-Cárcamo CV, Aschenbrenner D, Attar M, Baillie JK, Barnes E, Bashford-Rogers R, Bashyal A, Beer S, Berridge G, Beveridge A, Bibi S, Bicanic T, Blackwell L, Bowness P, Brent A, Brown A, Broxholme J, Buck D, Burnham KL, Byrne H, Camara S, Candido Ferreira I, Charles P, Chen W, Chen YL, Chong A, Clutterbuck EA, Coles M, Conlon CP, Cornall R, Cribbs AP, Curion F, Davenport EE, Davidson N, Davis S, Dendrou CA, Dequaire J, Dib L, Docker J, Dold C, Dong T, Downes D, Drakesmith H, Dunachie SJ, Duncan DA, Eijsbouts C, Esnouf R, Espinosa A, Etherington R, Fairfax B, Fairhead R, Fang H, Fassih S, Felle S, Fernandez Mendoza M, Ferreira R, Fischer R, Foord T, Forrow A, Frater J, Fries A, Gallardo Sanchez V, Garner LC, Geeves C, Georgiou D, Godfrey L, Golubchik T, Gomez Vazquez M, Green A, Harper H, Harrington HA, Heilig R, Hester S, Hill J, Hinds C, Hird C, Ho LP, Hoekzema R, Hollis B, Hughes J, Hutton P, Jackson-Wood MA, Jainarayanan A, James-Bott A, Jansen K, Jeffery K, Jones E, Jostins L, Kerr G, Kim D, Klenerman P, Knight JC, Kumar V, Kumar Sharma P, Kurupati P, Kwok A, Lee A, Linder A, Lockett T, Lonie L, Lopopolo M, Lukoseviciute M, Luo J, Marinou S, Marsden B, Martinez J, Matthews PC, Mazurczyk M, McGowan S, McKechnie S, Mead A, Mentzer AJ, Mi Y, Monaco C, Montadon R, Napolitani G, Nassiri I, Novak A, O'Brien DP, O'Connor D, O'Donnell D, Ogg G, Overend L, Park I, Pavord I, Peng Y, Penkava F, Pereira Pinho M, Perez E, Pollard AJ, Powrie F, Psaila B, Quan TP, Repapi E, Revale S, Silva-Reyes L, Richard JB, Rich-Griffin C, Ritter T, Rollier CS, Rowland M, Ruehle F, Salio M, Sansom SN, Sanches Peres R, Santos Delgado A, Sauka-Spengler T, Schwessinger R, Scozzafava G, Screaton G, Seigal A, Semple MG, Sergeant M, Simoglou Karali C, Sims D, Skelly D, Slawinski H, Sobrinodiaz A, Sousos N, Stafford L, Stockdale L, Strickland M, Sumray O, Sun B, Taylor C, Taylor S, Taylor A, Thongjuea S, Thraves H, Todd JA, Tomic A, Tong O, Trebes A, Trzupek D, Tucci FA, Turtle L, Udalova I, Uhlig H, van Grinsven E, Vendrell I, Verheul M, Voda A, Wang G, Wang L, Wang D, Watkinson P, Watson R, Weinberger M, Whalley J, Witty L, Wray K, Xue L, Yeung HY, Yin Z, Young RK, Youngs J, Zhang P, Zurke YX. A blood atlas of COVID-19 defines hallmarks of disease severity and specificity. Cell 2022; 185:916-938.e58. [PMID: 35216673 PMCID: PMC8776501 DOI: 10.1016/j.cell.2022.01.012] [Citation(s) in RCA: 117] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 08/16/2021] [Accepted: 01/17/2022] [Indexed: 02/06/2023]
Abstract
Treatment of severe COVID-19 is currently limited by clinical heterogeneity and incomplete description of specific immune biomarkers. We present here a comprehensive multi-omic blood atlas for patients with varying COVID-19 severity in an integrated comparison with influenza and sepsis patients versus healthy volunteers. We identify immune signatures and correlates of host response. Hallmarks of disease severity involved cells, their inflammatory mediators and networks, including progenitor cells and specific myeloid and lymphocyte subsets, features of the immune repertoire, acute phase response, metabolism, and coagulation. Persisting immune activation involving AP-1/p38MAPK was a specific feature of COVID-19. The plasma proteome enabled sub-phenotyping into patient clusters, predictive of severity and outcome. Systems-based integrative analyses including tensor and matrix decomposition of all modalities revealed feature groupings linked with severity and specificity compared to influenza and sepsis. Our approach and blood atlas will support future drug development, clinical trial design, and personalized medicine approaches for COVID-19.
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Houghton N, Davies B, Hansel J, Davies D, Smith P, Brown A, Perkins K, Krishnaprasad K, Ryska O, Walls G, Tomlinson M. Acute Presentation of an unblocked Phaeochromocytoma with Small Bowel Ischaemia managed by Emergency Laparotomy and Adrenalectomy. Br J Surg 2022. [DOI: 10.1093/bjs/znac056.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
A 50-year-old male presented as an emergency with acute abdominal pain, reduced consciousness and blood pressure of 230/136mmHg, having felt unwell for a year. CT scans showed a 9cm right adrenal mass, a 27mm left ventricular thrombus and emboli to the distal superior mesenteric artery. Echocardiography demonstrated a reduced ejection fraction of 25%.
Methods
Our regional multidisciplinary team (Endocrinologists, Anaesthetists, Intensivists, Biochemists and Surgeons) utilised their experience to manage this challenging emergency, with supra-regional expert consultation.
Results
In ICU, intravenous phentolamine and unfractionated heparin infusions were given, attempting to avoid surgery until alpha blockade was established. The following day sepsis and peritonitis developed: surgery could no longer be deferred and had to be undertaken without blockade. After anaesthetic induction a 12 minute asystolic arrest ensued, but circulation was restored with CPR and bolus noradrenaline. Intraoperative photographs demonstrate 150cm of infarcted small bowel being resected, and sequential adrenalectomy being undertaken to avoid further catecholamine crisis and anaesthetic, as discussed with supra-regional colleagues. Post-arrest targeted temperature management was instigated alongside empirical steroid replacement. Serum metadrenaline fell from 58,495pmol/L (<510pmol/L) to 174pmol/L and normetadrenaline from 78,731pmol/L (<1180pmol/L) to 330pmol/L post-resection. Histological assessment confirmed phaeochromocytoma with malignant features (PASS=6 and GAPP=5). The patient made a full recovery and ejection fraction improved to 55%.
Conclusion
This case adds to the controversial equipoise regarding pre-operative blockade. An experienced multidisciplinary adrenal team was crucial in managing this life threatening combination. Noradrenaline was effective during cardiac arrest whilst the circulation was unresponsive to adrenaline.
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Babiano-Suarez V, Balibrea-Correa J, Caballero-Ontanaya L, Domingo-Pardo C, Ladarescu I, Lerendegui-Marco J, Tain JL, Calviño F, Casanovas A, Tarifeño-Saldivia A, Guerrero C, Aberle O, Alcayne V, Amaducci S, Andrzejewski J, Audouin L, Bacak M, Barbagallo M, Bennett S, Berthoumieux E, Billowes J, Bosnar D, Brown A, Busso M, Caamaño M, Calviani M, Cano-Ott D, Cerutti F, Chiaveri E, Colonna N, Cortés G, CortésGiraldo MA, Cosentino L, Cristallo S, Damone LA, Davies PJ, Diakaki M, Dietz M, Dressler R, Ducasse Q, Dupont E, Durán I, Eleme Z, Fernández-Domínguez B, Ferrari A, Finocchiaro P, Furman V, Göbel K, Garg R, Gawlik-Ramięga A, Gilardoni S, Gonçalves IF, González-Romero E, Gunsing F, Harada H, Heinitz S, Heyse J, Jenkins DG, Junghans A, Käppeler F, Kadi Y, Kimura A, Knapová I, Kokkoris M, Kopatch Y, Krtička M, Kurtulgil D, Lederer-Woods C, Leeb H, Lonsdale SJ, Macina D, Manna A, Martínez T, Masi A, Massimi C, Mastinu P, Mastromarco M, Maugeri EA, Mazzone A, Mendoza E, Mengoni A, Michalopoulou V, Milazzo PM, Mingrone F, Moreno-Soto J, Musumarra A, Negret A, Nolte R, Ogállar F, Oprea A, Patronis N, Pavlik A, Perkowski J, Persanti L, Petrone C, Pirovano E, Porras I, Praena J, Quesada JM, Ramos-Doval D, Rauscher T, Reifarth R, Rochman D, Romanets Y, Rubbia C, Sabaté-Gilarte M, Saxena A, Schillebeeckx P, Schumann D, Sekhar A, Smith AG, Sosnin NV, Sprung P, Stamatopoulos A, Tagliente G, Tassan-Got L, Thomas T, Torres-Sánchez P, Tsinganis A, Ulrich J, Urlass S, Valenta S, Vannini G, Variale V, Vaz P, Ventura A, Vescovi D, Vlachoudis V, Vlastou R, Wallner A, Woods PJ, Wright T, Žugec P. First 80Se(n, γ) cross section measurement with high resolution in the full stellar energy range 1 eV - 100 keV and its astrophysical implications for the s-process. EPJ WEB OF CONFERENCES 2022. [DOI: 10.1051/epjconf/202226011026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Most elements heavier than iron have been generated in the stellar media by means of neutron capture reactions, approximately half are produced by the slow neutron capture or s-process. Radiative neutron capture cross section measurements are of fundamental importance for the study of this mechanism. In this contribution we present a brief summary on the measurement and results for the 80Se(n,γ) cross-section. The experiment was carried out at CERN n_TOF EAR1 via the time of flight (ToF) technique, using four C6D6 scintillation detectors with very fast response. More than a hundred new resonances have been analyzed for the first time with a high accuracy. The MACS obtained at kT = 8 keV is 36% smaller than the recommended value in KADo-NiS. Some of the astrophysical implications of this result are elucidated in this contribution.
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Heine M, Fruet G, Courtin S, Jenkins D, Adsley P, Brown A, Canavan R, Catford W, Charon E, Curien D, Della Negra S, Duprat J, Hammache F, Lesrel J, Lotay G, Meyer A, Monpribat E, Montanari D, Morris L, Moukaddam M, Nippert J, Podolyák Z, Regan P, Ribaud I, Richer M, Rudigier M, Shearman R, de Séréville N, Stodel C. Direct Measurement of Carbon Fusion at Astrophysical Energies with Gamma-Particle Coincidences. EPJ WEB OF CONFERENCES 2022. [DOI: 10.1051/epjconf/202226001004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We present 12C+12C direct fusion measurements with STELLA UKFATIMA, that reach into the region of astrophysics interest relevant to massive stars (M⊙ ≈ 25) using self-supporting thin rotating carbon foils [1]. We demonstrate that detecting gammas and light charged particles in coincidence with nanosecond timing is key for effective background reduction achieving reliable measurements in the sub-nanobarn range. We give details about core developments of the detection apparatus as well as the coincidence-analysis procedure of low count statistics. The present data largely follows the phenomenological hindrance interpolation and shows indication for resonant behaviour at the lowest energy explored.
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Kalmadi NR, Brown A, Sharma M, Shtivelband M, Rifkind J, Kalmadi S, Bagai R, Ho E, Clark P, Kellogg C, Khanuja P. Abstract P1-08-18: Impact of gene expression profile testing for lymph node positive (LN+) , hormone receptor positive (HR+), HER2 negative (HER2-) breast cancer (BC) patients on the use of adjuvant chemotherapy in a large community cancer center. Cancer Res 2022. [DOI: 10.1158/1538-7445.sabcs21-p1-08-18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Use of gene expression profiling (GEP) is considered standard of care, in deciding use of adjuvant chemotherapy in patients with LN negative breast cancer. However, there are limited data for the use of GEP in LN+ disease. Both Mammaprint™ and Oncotype Dx 21 gene recurrence score™ (RS) have been evaluated in LN+ disease, the data are not as robust as in the LN- population. Based on data from the RXPONDER trial and the MINDACT trial, the NCCN has recently recommended the use of Oncotype Dx to help decide the utility and benefit of adjuvant chemotherapy after resection in LN- , Hormone receptor Positive (HR+), HER2 negative (HER2-) breast cancer patients. Because of the potential major impact of these data on patient management and healthcare utilization, we decided to explore the uptake and implementation of this testing at a large community cancer center in order to assess and report real world data pertaining to this novel standard of care. Methods: Database search of the Electronic Medical Records used at Ironwood Cancer Center, revealed 2455 newly diagnosed patients with early stage breast cancer during the period from 1/1/2018 till 6/1/2021. HIPAA deidentified data was extracted with inclusion criteria of newly diagnosed women with LN+ (1-3 nodes), HR+, and Her2- which yielded 403 patients. Demographics & treatment data: Characteristics included menopausal status (Premenopausal 23%, Post Menopausal 77%), Surgery type (mastectomy 44%, breast conservation surgery 56%), size of primary tumor (0-1 cm 16 %, 1-2 cm 28%, 2-5 cm 43%, and > 5 cm 13%), LNs resected (Range 0-37, Median 4), # of LNs +(1-60%, 2-25%, 3-15%), and Tumor Grade (Grade 1-23%, 2-56%, 3-21%). GEP was performed in 62% of the patients. 49% received adjuvant chemotherapy (61% anthracycline based, 39% non anthracycline based). Of the patients tested, 41% received adjuvant chemotherapy. Adjuvant antihormonal therapy included aromatase inhibitors in 86% and Tamoxifen in 14%. 81% of the pre-menopausal patients received complete ovarian suppression. Results: Logistical Regression analysis in a non linear fashion, R2 data and Chi-square analysis was used to test the statistical significance of the observed relationship with respect to the expected relationship. The data was divided into 6 monthly intervals to allow comparison of the uptake of the test and impact on adjuvant chemotherapy decision making. There was a significant increase in GEP profile testing percentages when these intervals were compared across the years (R2 =0.69). Increase in GEP profiling was associated with lower utilization of adjuvant chemotherapy (R2= 0.84). There was a non-significant decline in the use of adjuvant chemotherapy (Chi2 NS, p value 0.22). Menopausal status, grade/size of tumor did not meet the statistical significance for the likelihood of utilization of the test. Currently multivariate analysis is being performed to examine the interplay between the numerous clinical factors on which the data was collected. This analysis will allow us to decide if we can longitudinally explore recurrence rates in each of these subsets. Conclusion: GEP has seen a significant uptake to help with adjuvant chemotherapy decision making in LN + (1-3) patients in the community cancer center setting over the last 4 years. These real world data also showed that increased testing was associated with decreased chemotherapy use which has translated to lowering health care resources and minimizing patient morbidity. Recommendations from the expert guidelines and clinical trial data have helped accelerate the use of this technology in the decision making to undergo adjuvant chemotherapy in the LN+, HR+, HER2- patients with breast cancer.
Citation Format: Nisha Rao Kalmadi, Andrew Brown, Manas Sharma, Mikhail Shtivelband, Joshua Rifkind, Sujith Kalmadi, Rajesh Bagai, Emily Ho, Patricia Clark, Christopher Kellogg, Parvinderjit Khanuja. Impact of gene expression profile testing for lymph node positive (LN+) , hormone receptor positive (HR+), HER2 negative (HER2-) breast cancer (BC) patients on the use of adjuvant chemotherapy in a large community cancer center [abstract]. In: Proceedings of the 2021 San Antonio Breast Cancer Symposium; 2021 Dec 7-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2022;82(4 Suppl):Abstract nr P1-08-18.
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Beks H, Amos T, Bell J, Ryan J, Hayward J, Brown A, Mckenzie C, Allen B, Ewing G, Hudson K, Clark R, Morphett B, Allender S, Creighton D, Johnstone M, Versace VL. Participatory research with a rural Aboriginal Community Controlled Health Organisation: lessons learned using the CONSIDER statement. Rural Remote Health 2022; 22:6740. [PMID: 35130709 DOI: 10.22605/rrh6740] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
CONTEXT In Australia, Aboriginal Community Controlled Health Organisations (ACCHOs) are geographically proximal to where Aboriginal and Torres Strait Islander People reside and are valued for providing holistic and culturally safe primary health care. Partnering with ACCHOs in research is appropriate for redressing health inequities experienced by Aboriginal and Torres Strait Islander People, which includes a high burden of chronic disease. Historically, some approaches to Aboriginal and Torres Strait Islander health research have been unethical. Greater accountability in the research process, transparency in reporting, and use of culturally appropriate research methodologies are key recommendations to improving the ethical integrity of research. The need for strengthening the reporting of health research involving Aboriginal and Torres Strait Islander People and Indigenous peoples globally led to the development of the CONSolIDated critERia for strengthening the reporting of health research involving Indigenous peoples (CONSIDER statement), which is a synthesis of international ethical guidelines. This project report uses the CONSIDER statement to critically reflect on participatory research undertaken in partnership with an ACCHO in the rural context and to identify lessons of value for future research. ISSUE By using the CONSIDER statement as a tool for critical reflection, it was identified that processes used to establish a research partnership with an ACCHO were key to setting the research agenda, including identifying ethical issues, the needs of local Aboriginal and Torres Strait Islander People, and expectations from the research. The participation of Aboriginal community members throughout the entire research process was not only methodologically important but was also ethically appropriate. Research activities in this project included opportunities for Aboriginal community members to directly share their perspectives and experiences and develop local solutions to issues affecting them. Outcomes included evidence to support future funding applications, community-derived priorities that assisted with government reporting, and locally identified methods for addressing chronic disease management. Key to this was building the research capacity and capability of local Aboriginal community members, which also reflected the ethical principles of reciprocity and equity. This also provided opportunities for non-Indigenous researchers to learn from local Aboriginal community members and develop skills in culturally appropriate research. LESSONS LEARNED Using the CONSIDER statement was beneficial in enabling researchers to critically reflect on a participatory research project undertaken in partnership with a rural ACCHO. Researchers identified that participatory approaches can be used to generate research of relevance to local Aboriginal community members and their ACCHOs, and to support health service reporting, and future funding applications. Research timelines and activities needed to be flexible and adaptable, to allow for staff turnover and unforeseen events of cultural significance. Similarly, it is important for researchers to be receptive to change and open to learning. Although research partnerships are established on trust and mutual respect, it is recommended that greater formal provisions are required to protect the intellectual property of Aboriginal and Torres Strait Islander communities involved in research. These lessons are likely to be transferrable to other settings and are of value to researchers seeking to partner with ACCHOs in research.
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Abrahams T, Brown A, Pol D. Cost and prescription trends of P2Y12 inhibitors in Australia over the last decade. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehab849.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Coronary artery disease (CAD) remains one of the leading causes of mortality worldwide and in Australia, and places significant burden on healthcare costs. [1,2] Dual antiplatelet therapy (DAPT) is guideline therapy following acute coronary syndrome (ACS).[3] Novel, potent P2Y12 inhibitors have been developed and studied but it is unclear how this evidence has been incorporated into patient care across the spectrum of P2Y12 prescribers.
Purpose
We sought to describe the prescribing trends, healthcare costs of P2Y12 therapy in Australia over the last decade using real world prescribing data and cost per MACE prevented.
Method
The latest statistical data collected by the Pharmaceutical Benefit Scheme (PBS), Australia was reviewed. PBS codes for coronary indications were selected. Yearly total prescriptions and cost were then compared between all three P2Y12 inhibitors. Linear trend modelling was used to observe general trends over the data collection period. Cost per mace was calculated from major DAPT ACS trials [4,5].
Results
Total yearly P2Y12 scripts have increased 2.5-fold in Australia between 2010 (403,880 scripts) and 2020 (994,826 scripts). Clopidogrel is the most prescribed P2Y12 inhibitor and has been for the last decade, representing 71% of P2Y12 prescriptions in 2020. Ticagrelor represented 26.2% of total prescriptions but accounts for 75% of PBS spending. More than $30 million is spent on ticagrelor yearly with a cost per MACE prevented of $72,637. Prasugrel was the least prescribed agent but was 41% more cost effective than ticagrelor before being removed from the Australian market. Prasugrel has a cost per MACE prevented of $42,993. Without prasugrel available, Clopidogrel scripts have increased 10% and ticagrelor scripts remain stable.
Conclusion
Clopidogrel remains the most prescribed P2Y12 agent in Australia, despite emergence of more potent P2Y12 inhibitors. Ticagrelor is increasingly prescribed but represents a disproportionately large burden of spending. Whilst Prasugrel is the most efficacious, cost effective and a guideline recommended P2Y12 inhibitor after ACS, it represented the minority of scripts before being withdrawn. Rather than use of a potent P2Y12 agent, clinicians are reverting to prescribing clopidogrel. Compared to other countries in the Asia Pacific region with access to prasugrel, Australian patients may be having higher rates of MACE post PCI at a higher cost compared to Ticagrelor. Abstract Figure. Abstract Figure.
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McQuide PA, Finnegan A, Terry KM, Brown A, Toure CO, Tessougue J, Cisse I, Thuku MK, Muriuki J, Ochola M, Ogato J, Coulibaly E, Togora TD. Applying WHO COVID-19 workforce estimate tools remotely in an African context: a case report from Mali and Kenya. HUMAN RESOURCES FOR HEALTH 2022; 19:111. [PMID: 35090474 PMCID: PMC8795299 DOI: 10.1186/s12960-021-00653-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 09/02/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND The COVID-19 pandemic has increased the burden on health systems, particularly in low- and middle-income countries, where health systems already struggle. To meet health workforce planning needs during the pandemic, IntraHealth International used two tools created by the World Health Organization (WHO) Regional Office for Europe. The Health Workforce Estimator (HWFE) allows the estimation of the quantity of health workers needed to treat patients during a surge, and the Adaptt Surge Planning Support Tool helps to predict the timing of a surge in cases and the number of health workers and beds needed for predicted caseload. These tools were adapted to fit the African context in a rapid implementation over 5 weeks in one region in Mali and one region in Kenya with the objective to test the feasibility of adapting these tools, which use a Workload Indicators of Staffing Need (WISN)-inspired human resources management methodology, to obtain daily and surge projections of COVID-19 human resources for health needs. CASE PRESENTATION Using a remote team in the US and in-country teams in Mali and Kenya, IntraHealth enacted a phased plan to gather stakeholder support, collect data related to health systems and COVID-19 cases, populate data into the tools, verify modeled results with results on the ground, enact policy measures to meet projected needs, and conduct national training workshops for the ministries of health. CONCLUSIONS This phased implementation in Mali and Kenya demonstrated that the WISN approach applied to the Health Workforce Estimator and Adaptt tools can be readily adapted to the local context for African countries to rapidly estimate the number of health workers and beds needed to respond to the predicted COVID-19 pandemic caseload. The results may also be used to give a proxy estimate for needed health supplies-e.g., oxygen, medications, and ventilators. Challenges included accurate and timely data collection and updating data. The success of the pilot can be attributed to the adapted WHO tools, the team composition in both countries, access to human resources data, and early support of the ministries of health, with the expectation that this methodology can be applied to other country contexts.
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Baldwin S, Bennell C, Blaskovits B, Brown A, Jenkins B, Lawrence C, McGale H, Semple T, Andersen JP. A Reasonable Officer: Examining the Relationships Among Stress, Training, and Performance in a Highly Realistic Lethal Force Scenario. Front Psychol 2022; 12:759132. [PMID: 35111100 PMCID: PMC8803048 DOI: 10.3389/fpsyg.2021.759132] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 11/09/2021] [Indexed: 12/13/2022] Open
Abstract
Under conditions of physiological stress, officers are sometimes required to make split-second life-or-death decisions, where deficits in performance can have tragic outcomes, including serious injury or death and strained police-community relations. The current study assessed the performance of 122 active-duty police officers during a realistic lethal force scenario to examine whether performance was affected by the officer's level of operational skills training, years of police service, and stress reactivity. Results demonstrated that the scenario produced elevated heart rates (i.e., 150 beats per minute), as well as perceptual and cognitive distortions, such as tunnel vision, commensurate with those observed in naturalistic use of force encounters. The average performance rating from the scenario was 59%, with 27% of participants making at least one lethal force error. Elevated stress reactivity was a predictor of poorer performance and increased lethal force errors. Level of training and years of police service had differential and complex effects on both performance and lethal force errors. Our results illustrate the need to critically reflect on police training practices and continue to make evidence-based improvements to training. The findings also highlight that while training may significantly improve outcomes, flawless performance is likely not probable, given the limits of human performance under stress. Implications for the objective reasonableness standard, which is used to assess the appropriateness of force in courts of law, are discussed.
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Chan J, Thum K, Ihdayhid A, Comella A, Cameron J, Khamooshi M, Thakur U, Nicholls S, Carberry J, Gregory S, Cameron J, Brown A, Kalman E. Validation of Non-Invasive Endothelial Shear Stress (ESS) Estimations of Coronary Artery Haemodynamics via In-Silico and In-Vivo Modelling. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Mydin M, Splatt L, Abrahams T, Tan S, Pol D, Brown A. Predictive Utility of Reperfusion Criteria in Predicting Occluded Infarct-Related Artery in Patients With ST-Elevation Myocardial Infarction. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Kim J, Nogic J, Layland J, Chan J, Cheng K, Wong D, Brown A. Predictive Utility of Pericoronary Adipose Tissue Attenuation for In-Stent Restenosis in Patients Undergoing Percutaneous Coronary Intervention. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Goel V, Cameron W, Madhavan A, Spear E, Thakur U, Sultana N, Chan J, Chee Cheen Y, Brown A, Nerlekar N. Cardiac Functional Testing Has Poor Diagnostic Value in Women With Breast Arterial Calcification on Mammography. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Rowan H, Lee M, Brown A. Estimated energy and nutrient intake for infants following baby-led and traditional weaning approaches. J Hum Nutr Diet 2021; 35:325-336. [PMID: 34927773 PMCID: PMC9511768 DOI: 10.1111/jhn.12981] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/12/2021] [Indexed: 10/28/2022]
Abstract
Baby-led weaning (BLW), where infants self-feedwithout the use of spoon-feeding by a caregiver, continues to be a popular approach to starting solids. However, concerns remain amongst health professionals that infants using this method may not consume sufficient energy or nutrients from solid foods. Little research has examined how different weaning approaches shape dietary intake. The aim of this study was to use a three-day weighed diet diary to measure estimated energy and nutrient intake in infants aged 6-12 months. Diet diaries were completed by 71 parents and analysed to compareestimated infant intake from milk and solid foods for those either following a BLW or traditional spoon-feeding approach (TW). Intake was analysed for each weaning group in two age groups: 26-39 and 40-52 weeks, to account for different eating patterns at the start and end of the weaning process. For the younger infants, significant differences in estimatedenergy intake were found, with TW infants consuming 285 kcal from solid foods compared with 120 kcal for BLW infants. Conversely, BLW infants consumed more calories and nutrients from breast or formula milk, consistent with a slower transition to solid foods. No differences were found in estimated intake amongst older infants suggesting BLW infants had 'caught up' with their spoon-fed peers. Overall, few infantsregardless of weaning group met recommended intake guidelines for energy (either over or under consuming) with many deficient in iron and zinc intake. The findings are important for those supporting parents through the transition to solid foods. This article is protected by copyright. All rights reserved.
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Brown A, Baldwin S, Blaskovits B, Bennell C. Examining the impact of grip strength and officer gender on shooting performance. APPLIED ERGONOMICS 2021; 97:103536. [PMID: 34364130 DOI: 10.1016/j.apergo.2021.103536] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 07/12/2021] [Accepted: 07/16/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Effective shooting performance relies heavily on sufficient grip strength. However, some standard issue pistols used by police services may have a trigger weight that causes problems for officers with insufficient grip strength, including female officers. The current study aimed to replicate previous findings, which show that grip strength is positively related to shooting performance. We also sought to determine what grip strength is required to achieve proficient scores on a standard police pistol qualification (PPQ) when a heavy trigger weight (i.e., 8lbs-12lbs) is used. Finally, we explored the relationship between officer gender and PPQ scores to determine if grip strength plays a mediating role in this relationship. METHOD The dominant hand grip strength (in lbs) of 86 male and 32 female officers were recorded prior to their participation in their agency mandated annual PPQ. Officer gender, grip strength, and PPQ scores were analyzed to explore how they related to one another. RESULTS Grip strength significantly impacted officers' ability to pass the PPQ, with female officers possessing lower grip strength compared to male officers, as well as achieving poorer scores on the PPQ. We determined that grip strengths in the range of 80lbs and 125lbs were needed to score approximately 85 % and 90 % on the PPQ, respectively; exceeding that of the average grip strength for the female officers in the study (M = 77.5lbs). Mediation analysis suggested that grip strength may mediate the relationship between officer gender and shooting performance, but studies with more power are needed to confirm that. CONCLUSION To improve shooting performance as well as public and police safety, law enforcement agencies may need to consider including grip strength training in their conditioning regime or examine the adoption pistols with a lighter trigger pull weight (e.g., 6lbs).
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Brown A, Quaile M, Morris H, Tumin D, Parker CL, Warren L, Wall B, Crickmore K, Ledoux M, Eldridge DL, Aikman I. Outpatient Follow-up Care After Hospital Discharge of Children With Complex Chronic Conditions at a Rural Tertiary Care Hospital. Clin Pediatr (Phila) 2021; 60:512-519. [PMID: 34541911 DOI: 10.1177/00099228211047242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To determine factors associated with completion of recommended outpatient follow-up visits in children with complex chronic conditions (CCCs) following hospital discharge. METHODS We retrospectively identified children aged 1 to 17 years diagnosed with a CCC who were discharged from our rural tertiary care children's hospital between 2017 and 2018 with a diagnosis meeting published CCC criteria. Patients discharged from the neonatal intensive care unit and patients enrolled in a care coordination program for technology-dependent children were excluded. RESULTS Of 113 eligible patients, 77 (68%) had outpatient follow-up consistent with discharge instructions. Intensive care unit (ICU) admission (P = .020) and prolonged length of stay (P = .004) were associated with decreased likelihood of completing recommended follow-up. CONCLUSIONS Among children with CCCs who were not already enrolled in a care coordination program, ICU admission was associated with increased risk of not completing recommended outpatient follow-up. This population could be targeted for expanded care coordination efforts.
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Hamer N, Brown A, Sharma V, Jha T, Garg D, Jha M. EP.WE.213Short-term impact of COVID-19 on surgical services in a tertiary hospital. Br J Surg 2021. [PMCID: PMC8574352 DOI: 10.1093/bjs/znab308.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Aim Since December 2019, SARS-CoV-2 has dramatically impacted the global landscape. One of the biggest challenges has been the additional strain put on healthcare systems. Although there are numerous studies on the effects of COVID-19 on intensive care beds and ventilator availability, there has been little exploration into the wider impacts of COVID-19 on the provision of other services. This study was designed to explore how COVID-19 has impacted surgical service provision at a large NHS hospital. Methods We compared the number and types of general surgical procedures carried out in a tertiary centre in the six months prior to the UK COVID-19 outbreak (September 2019-February 2020) and the six months after (March 2020-August 2020). Results We found that since March 2020 there has been a 70% decrease in the amount of operations taking place, with numbers dropping from a pre-COVID total of 1761 to a post-COVID total of 529. This mainly affected elective procedures with emergency surgeries remaining relatively constant (48 pre-COVID vs 44 post-COVID). Conclusion COVID-19 has caused a significant decrease in the number of surgeries being undertaken. This is due to a combination of factors including staffing issues, reduced investigative capacity, and national mandates on the cessation of non-urgent procedures. Although this mainly affected elective operations, it will have wider implications on future NHS workload and training. The knock on effects will inevitably result in a rise in delayed and emergency presentations with worse patient outcomes.
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Khan W, Baig A, Afzaal Q, Davison J, Hutchings S, Kulkarni A, Brown A, Ashford R. 854 Mortality Associated with Conversion of Total Hip Arthroplasty for Failed Fixation/Hemiarthroplasty for Neck of Femur Fractures. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.1010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Aim
To identify the mortality associated with failed internal fixation and hemiarthroplasty of neck of femur fractures.
Method
Patients undergoing conversion of internal fixation / hemi arthroplasty were identified from theatre records and surgical databases. Data was stored in Microsoft Excel spreadsheet. Clinical outcomes at 30 days, 1 year and 5 years post conversion total hip replacement.
Results
60 cases were collected between June 2006 and November 2016. 46 females and 14 males involved in the case. The mean age of male patients was 66.5 and for females 67.9. 32 patients had previous sliding hip screw fixation,12 had intra-medullary nails, 8 had cannulated screw fixation and 5 patients had hemiarthroplasty. The mean time to failure was 22 months (Range: 2 weeks to 60 months) and there were 6 cases of late posttraumatic arthritis (range 4 yrs to 23 yrs). Average time from documented failure to conversion THR was 2 months. There were 2 superficial wound infections which were successfully treated with antibiotics. There were 2 cases of deep infection which required multiple debridement, washout, and prolonged inpatient stay. Average duration of hospital stay was 5.7days. 18 patients died before 5 years for reasons unrelated to their hip. All had a functional prosthesis at time of last review. 42 patients alive at 5 years had a functional prosthesis at last review
Conclusions
Total Hip Arthroplasty is a successful procedure for failed fixation / hemiarthroplasty despite the technical challenges. A 3–5-year mortality rate of 33.33 % reflects well against the NHFD 1year mortality of 30 %.
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Blakney AK, McKay PF, Hu K, Samnuan K, Jain N, Brown A, Thomas A, Rogers P, Polra K, Sallah H, Yeow J, Zhu Y, Stevens MM, Geall A, Shattock RJ. Polymeric and lipid nanoparticles for delivery of self-amplifying RNA vaccines. J Control Release 2021; 338:201-210. [PMID: 34418521 PMCID: PMC8412240 DOI: 10.1016/j.jconrel.2021.08.029] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 08/12/2021] [Accepted: 08/16/2021] [Indexed: 01/09/2023]
Abstract
Self-amplifying RNA (saRNA) is a next-generation vaccine platform, but like all nucleic acids, requires a delivery vehicle to promote cellular uptake and protect the saRNA from degradation. To date, delivery platforms for saRNA have included lipid nanoparticles (LNP), polyplexes and cationic nanoemulsions; of these LNP are the most clinically advanced with the recent FDA approval of COVID-19 based-modified mRNA vaccines. While the effect of RNA on vaccine immunogenicity is well studied, the role of biomaterials in saRNA vaccine effectiveness is under investigated. Here, we tested saRNA formulated with either pABOL, a bioreducible polymer, or LNP, and characterized the protein expression and vaccine immunogenicity of both platforms. We observed that pABOL-formulated saRNA resulted in a higher magnitude of protein expression, but that the LNP formulations were overall more immunogenic. Furthermore, we observed that both the helper phospholipid and route of administration (intramuscular versus intranasal) of LNP impacted the vaccine immunogenicity of two model antigens (influenza hemagglutinin and SARS-CoV-2 spike protein). We observed that LNP administered intramuscularly, but not pABOL or LNP administered intranasally, resulted in increased acute interleukin-6 expression after vaccination. Overall, these results indicate that delivery systems and routes of administration may fulfill different delivery niches within the field of saRNA genetic medicines.
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Stoklosa K, Mazine A, Forgie K, Brown A, Hage A, Ridwan K, Eikelboom R, Laurin C, Clarizia N, Luc J, Yau T. OPENING THE CARMS BLACK BOX: THE IMPORTANCE OF VARIOUS ASPECTS OF THE CARMS APPLICATION FOR CARDIAC SURGERY APPLICANTS. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.082] [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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Vasanthan V, Brown A, Kent W, Holloway D, Maitland A. VIRTUAL ADAPTATION OF MULTIMODAL CARDIAC SURGERY RESIDENCY INTERVIEW DURING COVID-19. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Touré CO, Bijou S, Joiner M, Brown A, Tessougué J, Maiga H, Dicko F, Keïta AK. Accreditation of private midwifery and nursing schools in Mali: a local sustainable solution to increasing the supply of qualified health workers. HUMAN RESOURCES FOR HEALTH 2021; 19:119. [PMID: 34583729 PMCID: PMC8478269 DOI: 10.1186/s12960-021-00654-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 09/06/2021] [Indexed: 05/06/2023]
Abstract
BACKGROUND The World Health Organization's Global Strategy on Human Resources for Health (HRH) emphasizes the importance of dynamic and effective health worker regulation for achieving the health-related Sustainable Development Goals, with the establishment of education standards and quality assurance of education programs being critical. Governments in West Africa have struggled to address the problems within their higher education systems for health professionals, and it is now generally acknowledged that private institutions can play a crucial role in revitalizing the region's outdated universities. However, the rapid expansion of private schools raises concerns about the quality of education and adequacy of regulatory mechanisms. The USAID-funded Mali HRH Strengthening Activity, led by IntraHealth International, assisted Mali's Ministry of Health and Social Development to deliver targeted HRH interventions to improve the quality of education in private universities, better manage available health workers, and initiate a decentralized strategy for health worker recruitment and motivation. CASE PRESENTATION In 2018, the HRH activity leveraged the West African Health Organization (WAHO)'s accreditation system to support 10 private nursing schools to introduce WAHO's regionally accepted, competency-based curriculum in reproductive, maternal, newborn, and child health. The project undertook a 10-step process to work alongside private nursing and midwifery schools to assess their current status against WAHO regional standards, implement action plans to address identified gaps, and support the institutions toward accreditation. As a result, eight schools in Mali are now accredited compared to only three at project inception. CONCLUSIONS This case study underscores the importance of private school accreditation in Mali to improve the quality of health worker training through a standardized local curriculum. By supporting existing regulatory bodies that oversee accreditation, local capacity for initial accreditation of private nursing schools has been increased. Engaging universities in a partnership that shows the benefits of accreditation while maintaining a focus on the need to protect communities is critical to success. If the global community is to meet the WHO's predicted health worker shortfall, then private education providers will need to be part of the solution. Robust and engaging health worker education accreditation systems are an essential part of that future.
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Austin A, Flynn M, Richards KL, Sharpe H, Allen KL, Mountford VA, Glennon D, Grant N, Brown A, Mahoney K, Serpell L, Brady G, Nunes N, Connan F, Franklin-Smith M, Schelhase M, Jones WR, Breen G, Schmidt U. Early weight gain trajectories in first episode anorexia: predictors of outcome for emerging adults in outpatient treatment. J Eat Disord 2021; 9:112. [PMID: 34521470 PMCID: PMC8439063 DOI: 10.1186/s40337-021-00448-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 07/18/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Early response to treatment has been shown to be a predictor of later clinical outcomes in eating disorders (EDs). Specifically, early weight gain trajectories in anorexia nervosa (AN) have been shown to predict higher rates of later remission in inpatient treatment. However, no study has, as of yet, examined this phenomenon within outpatient treatment of first episode cases of AN or in emerging adults. METHODS One hundred seven patients with AN, all between the ages of 16 and 25 and with an illness duration of < 3 years, received treatment via the first episode rapid early intervention in eating disorders (FREED) service pathway. Weight was recorded routinely across early treatment sessions and recovery outcomes (BMI > 18.5 kg/m2 and eating psychopathology) were assessed up to 1 year later. Early weight gain across the first 12 treatment sessions was investigated using latent growth mixture modelling to determine distinct classes of change. Follow-up clinical outcomes and remission rates were compared between classes, and individual and clinical characteristics at baseline (treatment start) were tested as potential predictors. RESULTS Four classes of early treatment trajectory were identified. Three of these classes (n = 95), though differing in their early change trajectories, showed substantial improvement in clinical outcomes at final follow-up. One smaller class (n = 12), characterised by a 'higher' start BMI (> 17) and no early weight gain, showed negligible improvement 1 year later. Of the three treatment responding groups, levels of purging, depression, and patient reported carer expressed emotion (in the form of high expectations and low tolerance of the patient) determined class membership, although these findings were not significant after correcting for multiple testing. A higher BMI at treatment start was not sufficient to predict optimal clinical outcomes. CONCLUSION First episode cases of AN treated via FREED fit into four distinct early response trajectory classes. These may represent subtypes of first episode AN patients. Three of these four trajectories included patients with substantial improvements 1 year later. For those in the non-response trajectory class, treatment adjustments or augmentations could be considered earlier, i.e., at treatment session 12.
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