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Hosseini R, Chen Z, Goligher E, Fan E, Ferguson ND, Harhay MO, Sahetya S, Urner M, Yarnell CJ, Heath A. Designing a Bayesian adaptive clinical trial to evaluate novel mechanical ventilation strategies in acute respiratory failure using integrated nested Laplace approximations. Contemp Clin Trials 2024:107560. [PMID: 38735571 DOI: 10.1016/j.cct.2024.107560] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 04/20/2024] [Accepted: 05/01/2024] [Indexed: 05/14/2024]
Abstract
BACKGROUND Adaptive trials usually require simulations to determine values for design parameters, demonstrate error rates, and establish the sample size. We designed a Bayesian adaptive trial comparing ventilation strategies for patients with acute hypoxemic respiratory failure using simulations. The complexity of the analysis would usually require computationally expensive Markov Chain Monte Carlo methods but this barrier to simulation was overcome using the Integrated Nested Laplace Approximations (INLA) algorithm to provide fast, approximate Bayesian inference. METHODS We simulated two-arm Bayesian adaptive trials with equal randomization that stratified participants into two disease severity states. The analysis used a proportional odds model, fit using INLA. Trials were stopped based on pre-specified posterior probability thresholds for superiority or futility, separately for each state. We calculated the type I error and power across 64 scenarios that varied the probability thresholds and the initial minimum sample size before commencing adaptive analyses. Two designs that maintained a type I error below 5%, a power above 80%, and a feasible mean sample size were evaluated further to determine the optimal design. RESULTS Power generally increased as the initial sample size and the futility threshold increased. The chosen design had an initial recruitment of 500 and a superiority threshold of 0.9925, and futility threshold of 0.95. It maintained high power and was likely to reach a conclusion before exceeding a feasible sample size. CONCLUSIONS We designed a Bayesian adaptive trial to evaluate novel strategies for ventilation using the INLA algorithm to efficiently evaluate a wide range of designs through simulation.
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Affiliation(s)
- Reyhaneh Hosseini
- Child Health Evaluative Sciences, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON, Canada
| | - Ziming Chen
- Child Health Evaluative Sciences, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON, Canada
| | - Ewan Goligher
- Department of Medicine, Division of Respirology, University Health Network, Toronto, ON, Canada
| | - Eddy Fan
- Department of Medicine, Division of Respirology, University Health Network, Toronto, ON, Canada; Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada; Insititute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Canada
| | - Niall D Ferguson
- Department of Medicine, Division of Respirology, University Health Network, Toronto, ON, Canada; Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada; Insititute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Canada
| | - Michael O Harhay
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Sarina Sahetya
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Martin Urner
- Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, Canada; Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada
| | - Christopher J Yarnell
- Department of Medicine, Division of Respirology, University Health Network, Toronto, ON, Canada; Insititute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Canada
| | - Anna Heath
- Child Health Evaluative Sciences, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON, Canada; Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada; Department of Statistical Science, University College London, London, UK.
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Smilowitz NR, Hade EM, Kornblith LZ, Castellucci LA, Cushman M, Farkouh M, Gong MN, Heath A, Hunt BJ, Kim KS, Kindzelski A, Lawler P, Leaf DE, Goligher E, Leifer ES, McVerry BJ, Reynolds HR, Zarychanski R, Hochman JS, Neal MD, Berger JS. Effect of therapeutic-dose heparin on severe acute kidney injury and death in noncritically ill patients hospitalized for COVID-19: a prespecified secondary analysis of the ACTIV4a and ATTACC randomized trial. Res Pract Thromb Haemost 2023; 7:102167. [PMID: 37727846 PMCID: PMC10506136 DOI: 10.1016/j.rpth.2023.102167] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 07/02/2023] [Accepted: 07/07/2023] [Indexed: 09/21/2023] Open
Abstract
Background Acute kidney injury (AKI) in patients with COVID-19 is partly mediated by thromboinflammation. In noncritically ill patients with COVID-19, therapeutic-dose anticoagulation with heparin increased the probability of survival to hospital discharge with reduced use of cardiovascular or respiratory organ support. Objectives We investigated whether therapeutic-dose heparin reduces the incidence of AKI or death in noncritically ill patients hospitalized for COVID-19. Methods We report a prespecified secondary analysis of the ACTIV4a and ATTACC open-label, multiplatform randomized trial of therapeutic-dose heparin vs usual-care pharmacologic thromboprophylaxis on the incidence of severe AKI (≥2-fold increase in serum creatinine or initiation of kidney replacement therapy (KDIGO stage 2 or 3) or all-cause mortality in noncritically ill patients hospitalized for COVID-19. Bayesian statistical models were adjusted for age, sex, D-dimer, enrollment period, country, site, and platform. Results Among 1922 enrolled, 23 were excluded due to pre-existing end stage kidney disease and 205 were missing baseline or follow-up creatinine measurements. Severe AKI or death occurred in 4.4% participants assigned to therapeutic-dose heparin and 5.5% assigned to thromboprophylaxis (adjusted relative risk [aRR]: 0.72; 95% credible interval (CrI): 0.47, 1.10); the posterior probability of superiority for therapeutic-dose heparin (relative risk < 1.0) was 93.6%. Therapeutic-dose heparin was associated with a 97.7% probability of superiority to reduce the composite of stage 3 AKI or death (3.1% vs 4.6%; aRR: 0.64; 95% CrI: 0.40, 0.99) compared to thromboprophylaxis. Conclusion Therapeutic-dose heparin was associated with a high probability of superiority to reduce the incidence of in-hospital severe AKI or death in patients hospitalized for COVID-19.
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Affiliation(s)
| | - Erinn M. Hade
- NYU Grossman School of Medicine, New York, New York, USA
| | - Lucy Z. Kornblith
- Zuckerberg San Francisco General Hospital, University of California, San Francisco, California, USA
| | - Lana A. Castellucci
- Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
- University of Ottawa, Ottawa, Ontario, Canada
| | - Mary Cushman
- Larner College of Medicine at the University of Vermont, Burlington, Vermont, USA
| | - Michael Farkouh
- Peter Munk Cardiac Centre at University Health Network, Toronto, Ontario, Canada
- University of Toronto, Toronto, Ontario, Canada
| | - Michelle N. Gong
- Montefiore Medical Center, Bronx, New York, USA
- Albert Einstein College of Medicine, Bronx, New York, USA
| | - Anna Heath
- The Hospital for Sick Children, Toronto, Ontario, Canada
| | | | - Keri S. Kim
- University of Illinois, Chicago, Illinois, USA
| | | | - Patrick Lawler
- Peter Munk Cardiac Centre at University Health Network, Toronto, Ontario, Canada
- University of Toronto, Toronto, Ontario, Canada
| | - David E. Leaf
- Brigham and Women’s Hospital Harvard Medical School, Boston, Massachusetts, USA
| | - Ewan Goligher
- University of Toronto, Toronto, Ontario, Canada
- University Health Network, Toronto, Ontario, Canada
| | - Eric S. Leifer
- National Heart Lung & Blood Institute, NIH, Bethesda, Maryland, USA
| | - Bryan J. McVerry
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- UPMC, Pittsburgh, Pennsylvania, USA
| | | | - Ryan Zarychanski
- University of Manitoba, Winnipeg, Manitoba, Canada
- CancerCare Manitoba, Winnipeg, Manitoba, Canada
| | | | - Matthew D. Neal
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- UPMC, Pittsburgh, Pennsylvania, USA
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Teijeiro-Paradis R, Grenier J, Urner M, Douflé G, Steel A, Cypel M, Keshavjee S, Herridge M, Goligher E, Granton J, Ferguson N, Fan E, Del Sorbo L. Outcomes of patients with respiratory failure declined for extracorporeal membrane oxygenation: a prospective observational study. Can J Anaesth 2023; 70:1226-1233. [PMID: 37280459 PMCID: PMC10243882 DOI: 10.1007/s12630-023-02501-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 11/28/2022] [Accepted: 11/28/2022] [Indexed: 06/08/2023] Open
Abstract
PURPOSE Descriptive information on referral patterns and short-term outcomes of patients with respiratory failure declined for extracorporeal membrane oxygenation (ECMO) is lacking. METHODS We conducted a prospective single-centre observational cohort study of ECMO referrals to Toronto General Hospital (receiving hospital) for severe respiratory failure (COVID-19 and non-COVID-19), between 1 December 2019 and 30 November 2020. Data related to the referral, the referral decision, and reasons for refusal were collected. Reasons for refusal were grouped into three mutually exclusive categories selected a priori: "too sick now," "too sick before," and "not sick enough." In declined referrals, referring physicians were surveyed to collect patient outcome on day 7 after the referral. The primary study endpoints were referral outcome (accepted/declined) and patient outcome (alive/deceased). RESULTS A total of 193 referrals were included; 73% were declined for transfer. Referral outcome was influenced by age (odds ratio [OR], 0.97; 95% confidence interval [CI], 0.95 to 0.96; P < 0.01) and involvement of other members of the ECMO team in the discussion (OR, 4.42; 95% CI, 1.28 to 15.2; P < 0.01). Patient outcomes were missing in 46 (24%) referrals (inability to locate the referring physician or the referring physician being unable to recall the outcome). Using available data (95 declined and 52 accepted referrals; n = 147), survival to day 7 was 49% for declined referrals (35% for patients deemed "too sick now," 53% for "too sick before," 100% for "not sick enough," and 50% for reason for refusal not reported) and 98% for transferred patients. Sensitivity analysis setting missing outcomes to directional extreme values retained robustness of survival probabilities. CONCLUSION Nearly half of the patients declined for ECMO consideration were alive on day 7. More information on patient trajectory and long-term outcomes in declined referrals is needed to refine selection criteria.
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Affiliation(s)
- Ricardo Teijeiro-Paradis
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - Jasmine Grenier
- Department of Critical Care, Scarborough Health Network, Scarborough, ON, Canada
| | - Martin Urner
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - Ghislaine Douflé
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, ON, Canada
| | - Andrew Steel
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, ON, Canada
| | - Marcelo Cypel
- Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Shaf Keshavjee
- Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Margaret Herridge
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Institute of Health Policy Management and Evaluation, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Toronto General Hospital Research Institute, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
- Division of Respirology & Critical Care, Department of Medicine, University Health Network, Toronto, ON, Canada
| | - Ewan Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Toronto General Hospital Research Institute, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
- Division of Respirology & Critical Care, Department of Medicine, University Health Network, Toronto, ON, Canada
| | - John Granton
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Toronto General Hospital Research Institute, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
- Division of Respirology & Critical Care, Department of Medicine, University Health Network, Toronto, ON, Canada
| | - Niall Ferguson
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Institute of Health Policy Management and Evaluation, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Toronto General Hospital Research Institute, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
- Division of Respirology & Critical Care, Department of Medicine, University Health Network, Toronto, ON, Canada
| | - Eddy Fan
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Institute of Health Policy Management and Evaluation, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Toronto General Hospital Research Institute, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada
- Division of Respirology & Critical Care, Department of Medicine, University Health Network, Toronto, ON, Canada
| | - Lorenzo Del Sorbo
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.
- Department of Medicine, University of Toronto, Toronto, ON, Canada.
- Toronto General Hospital Research Institute, 200 Elizabeth Street, Toronto, ON, M5G 2C4, Canada.
- Division of Respirology & Critical Care, Department of Medicine, University Health Network, Toronto, ON, Canada.
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Pham T, Heunks L, Bellani G, Madotto F, Aragao I, Beduneau G, Goligher EC, Grasselli G, Laake JH, Mancebo J, Peñuelas O, Piquilloud L, Pesenti A, Wunsch H, van Haren F, Brochard L, Laffey JG, Acharya SP, Amin P, Arabi Y, Aragao I, Bauer P, Beduneau G, Beitler J, Berkius J, Bugedo G, Camporota L, Cerny V, Cho YJ, Clarkson K, Estenssoro E, Goligher E, Grasselli G, Gritsan A, Hashemian SM, Hermans G, Heunks LM, Jovanovic B, Kurahashi K, Laake JH, Matamis D, Moerer O, Molnar Z, Ozyilmaz E, Panka B, Papali A, Peñuelas Ó, Perbet S, Piquilloud L, Qiu H, Razek AA, Rittayamai N, Roldan R, Serpa Neto A, Szuldrzynski K, Talmor D, Tomescu D, Van Haren F, Villagomez A, Zeggwagh AA, Abe T, Aboshady A, Acampo-de Jong M, Acharya S, Adderley J, Adiguzel N, Agrawal VK, Aguilar G, Aguirre G, Aguirre-Bermeo H, Ahlström B, Akbas T, Akker M, Al Sadeh G, Alamri S, Algaba A, Ali M, Aliberti A, Allegue JM, Alvarez D, Amador J, Andersen FH, Ansari S, Apichatbutr Y, Apostolopoulou O, Arabi Y, Arellano D, Arica M, Arikan H, Arinaga K, Arnal JM, Asano K, Asín-Corrochano M, Avalos Cabrera JM, Avila Fuentes S, Aydemir S, Aygencel G, Azevedo L, Bacakoglu F, Badie J, Baedorf Kassis E, Bai G, Balaraj G, Ballico B, Banner-Goodspeed V, Banwarie P, Barbieri R, Baronia A, Barrett J, Barrot L, Barrueco-Francioni JE, Barry J, Bauer P, Bawangade H, Beavis S, Beck E, Beehre N, Belenguer Muncharaz A, Bellani G, Belliato M, Bellissima A, Beltramelli R, Ben Souissi A, Benitez-Cano A, Benlamin M, Benslama A, Bento L, Benvenuti D, Berkius J, Bernabe L, Bersten A, Berta G, Bertini P, Bertram-Ralph E, Besbes M, Bettini LR, Beuret P, Bewley J, Bezzi M, Bhakhtiani L, Bhandary R, Bhowmick K, Bihari S, Bissett B, Blythe D, Bocher S, Boedjawan N, Bojanowski CM, Boni E, Boraso S, Borelli M, Borello S, Borislavova M, Bosma KJ, Bottiroli M, Boyd O, Bozbay S, Briva A, Brochard L, Bruel C, Bruni A, Buehner U, Bugedo G, Bulpa P, Burt K, Buscot M, Buttera S, Cabrera J, Caccese R, Caironi P, Canchos Gutierrez I, Canedo N, Cani A, Cappellini I, Carazo J, Cardonnet LP, Carpio D, Carriedo D, Carrillo R, Carvalho J, Caser E, Castelli A, Castillo Quintero M, Castro H, Catorze N, Cengiz M, Cereijo E, Ceunen H, Chaintoutis C, Chang Y, Chaparro G, Chapman C, Chau S, Chavez CE, Chelazzi C, Chelly J, Chemouni F, Chen K, Chena A, Chiarandini P, Chilton P, Chiumello D, Cho YJ, Chou-Lie Y, Chudeau N, Cinel I, Cinnella G, Clark M, Clark T, Clarkson K, Clementi S, Coaguila L, Codecido AJ, Collins A, Colombo R, Conde J, Consales G, Cook T, Coppadoro A, Cornejo R, Cortegiani A, Coxo C, Cracchiolo AN, Crespo Ramirez M, Crova P, Cruz J, Cubattoli L, Çukurova Z, Curto F, Czempik P, D'Andrea R, da Silva Ramos F, Dangers L, Danguy des Déserts M, Danin PE, Dantas F, Daubin C, Dawei W, de Haro C, de Jesus Montelongo F, De Mendoza D, de Pablo R, De Pascale G, De Rosa S, Decavèle M, Declercq PL, Deicas A, del Carmen Campos Moreno M, Dellamonica J, Delmas B, Demirkiran O, Demirkiran H, Dendane T, di Mussi R, Diakaki C, Diaz A, Diaz W, Dikmen Y, Dimoula A, Doble P, Doha N, Domingos G, Dres M, Dries D, Duggal A, Duke G, Dunts P, Dybwik K, Dykyy M, Eckert P, Efe S, Elatrous S, Elay G, Elmaryul AS, Elsaadany M, Elsayed H, Elsayed S, Emery M, Ena S, Eng K, Englert JA, Erdogan E, Ergin Ozcan P, Eroglu E, Escobar M, Esen F, Esen Tekeli A, Esquivel A, Esquivel Gallegos H, Ezzouine H, Facchini A, Faheem M, Fanelli V, Farina MF, Fartoukh M, Fehrle L, Feng F, Feng Y, Fernandez I, Fernandez B, Fernandez-Rodriguez ML, Ferrando C, Ferreira da Silva MJ, Ferreruela M, Ferrier J, Flamm Zamorano MJ, Flood L, Floris L, Fluckiger M, Forteza C, Fortunato A, Frans E, Frattari A, Fredes S, Frenzel T, Fumagalli R, Furche MA, Fusari M, Fysh E, Galeas-Lopez JL, Galerneau LM, Garcia A, Garcia MF, Garcia E, Garcia Olivares P, Garlicki J, Garnero A, Garofalo E, Gautam P, Gazenkampf A, Gelinotte S, Gelormini D, Ghrenassia E, Giacomucci A, Giannoni R, Gigante A, Glober N, Gnesin P, Gollo Y, Gomaa D, Gomero Paredes R, Gomes R, Gomez RA, Gomez O, Gomez A, Gondim L, Gonzalez M, Gonzalez I, Gonzalez-Castro A, Gordillo Romero O, Gordo F, Gouin P, Graf Santos J, Grainne R, Grando M, Granov Grabovica S, Grasselli G, Grasso S, Grasso R, Grimmer L, Grissom C, Gritsan A, Gu Q, Guan XD, Guarracino F, Guasch N, Guatteri L, Gueret R, Guérin C, Guerot E, Guitard PG, Gül F, Gumus A, Gurjar M, Gutierrez P, Hachimi A, Hadzibegovic A, Hagan S, Hammel C, Han Song J, Hanlon G, Hashemian SM, Heines S, Henriksson J, Herbrecht JE, Heredia Orbegoso GO, Hermans G, Hermon A, Hernandez R, Hernandez C, Herrera L, Herrera-Gutierrez M, Heunks L, Hidalgo J, Hill D, Holmquist D, Homez M, Hongtao X, Hormis A, Horner D, Hornos MC, Hou M, House S, Housni B, Hugill K, Humphreys S, Humbert L, Hunter S, Hwa Young L, Iezzi N, Ilutovich S, Inal V, Innes R, Ioannides P, Iotti GA, Ippolito M, Irie H, Iriyama H, Itagaki T, Izura J, Izza S, Jabeen R, Jamaati H, Jamadarkhana S, Jamoussi A, Jankowski M, Jaramillo LA, Jeon K, Jeong Lee S, Jeswani D, Jha S, Jiang L, Jing C, Jochmans S, Johnstad BA, Jongmin L, Joret A, Jovanovic B, Junhasavasdikul D, Jurado MT, Kam E, Kamohara H, Kane C, Kara I, Karakurt S, Karnjanarachata C, Kataoka J, Katayama S, Kaushik S, Kelebek Girgin N, Kerr K, Kerslake I, Khairnar P, Khalid A, Khan A, Khanna AK, Khorasanee R, Kienhorst D, Kirakli C, Knafelj R, Kol MK, Kongpolprom N, Kopitko C, Korkmaz Ekren P, Kubisz-Pudelko A, Kulcsar Z, Kumasawa J, Kurahashi K, Kuriyama A, Kutchak F, Laake JH, Labarca E, Labat F, Laborda C, Laca Barrera MA, Lagache L, Landaverde Lopez A, Lanspa M, Lascari V, Le Meur M, Lee SH, Lee YJ, Lee J, Lee WY, Lee J, Legernaes T, Leiner T, Lemiale V, Leonor T, Lepper PM, Li D, Li H, Li O, Lima AR, Lind D, Litton E, Liu N, Liu L, Liu J, Llitjos JF, Llorente B, Lopez R, Lopez CE, Lopez Nava C, Lovazzano P, Lu M, Lucchese F, Lugano M, Lugo Goytia G, Luo H, Lynch C, Macheda S, Madrigal Robles VH, Maggiore SM, Magret Iglesias M, Malaga P, Mallapura Maheswarappa H, Malpartida G, Malyarchikov A, Mansson H, Manzano A, Marey I, Marin N, Marin MDC, Markman E, Martin F, Martin A, Martin Dal Gesso C, Martinez F, Martínez-Fidalgo C, Martin-Loeches I, Mas A, Masaaki S, Maseda E, Massa E, Mattsson A, Maugeri J, McCredie V, McCullough J, McGuinness S, McKown A, Medve L, Mei C, Mellado Artigas R, Mendes V, Mervat MKE, Michaux I, Mikhaeil M, Milagros O, Milet I, Millan MT, Minwei Z, Mirabella L, Mishra S, Mistraletti G, Mochizuki K, Moerer O, Moghal A, Mojoli F, Molin A, Molnar Z, Montiel R, Montini L, Monza G, Mora Aznar M, Morakul S, Morales M, Moreno Torres D, Morocho Tutillo DR, Motherway C, Mouhssine D, Mouloudi E, Muñoz T, Munoz de Cabo C, Mustafa M, Muthuchellappan R, Muthukrishnan M, Muttini S, Nagata I, Nahar D, Nakanishi M, Nakayama I, Namendys-Silva SA, Nanchal R, Nandakumar S, Nasi A, Nasir K, Navalesi P, Naz Aslam T, Nga Phan T, Nichol A, Niiyama S, Nikolakopoulou S, Nikolic E, Nitta K, Noc M, Nonas S, Nseir S, Nur Soyturk A, Obata Y, Oeckler R, Oguchi M, Ohshimo S, Oikonomou M, Ojados A, Oliveira MT, Oliveira Filho W, Oliveri C, Olmos A, Omura K, Orlandi MC, Orsenigo F, Ortiz-Ruiz De Gordoa L, Ota K, Ovalle Olmos R, Öveges N, Oziemski P, Ozkan Kuscu O, Özyilmaz E, Pachas Alvarado F, Pagella G, Palaniswamy V, Palazon Sanchez EL, Palmese S, Pan G, Pan W, Panka B, Papanikolaou M, Papavasilopoulou T, Parekh A, Parke R, Parrilla FJ, Parrilla D, Pasha T, Pasin L, Patão L, Patel M, Patel G, Pati BK, Patil J, Pattnaik S, Paul D, Pavesi M, Pavlotsky VA, Paz G, Paz E, Pecci E, Pellegrini C, Peña Padilla AG, Perchiazzi G, Pereira T, Pereira V, Perez M, Perez Calvo C, Perez Cheng M, Perez Maita R, Pérez-Araos R, Perez-Teran P, Perez-Torres D, Perkins G, Persona P, Petnak T, Petrova M, Pham T, Philippart F, Picetti E, Pierucci E, Piervincenzi E, Pinciroli R, Pintado MC, Piquilloud L, Piraino T, Piras S, Piras C, Pirompanich P, Pisani L, Platas E, Plotnikow G, Porras W, Porta V, Portilla M, Portugal J, Povoa P, Prat G, Pratto R, Preda G, Prieto I, Prol-Silva E, Pugh R, Qi Y, Qian C, Qin T, Qiu H, Qu H, Quintana T, Quispe Sierra R, Quispe Soto R, Rabbani R, Rabee M, Rabie A, Rahe Pereira MA, Rai A, Raj Ashok S, Rajab M, Ramdhani N, Ramey E, Ranieri M, Rathod D, Ray B, Redwanul Huq SM, Regli A, Reina R, Resano Sarmiento N, Reynaud F, Rialp G, Ricart P, Rice T, Richardson A, Rieder M, Rinket M, Rios F, Rios F, Risso Vazquez A, Rittayamai N, Riva I, Rivette M, Roca O, Roche-Campo F, Rodriguez C, Rodriguez G, Rodriguez Gonzalez D, Rodriguez Tucto XY, Rogers A, Romano ME, Rørtveit L, Rose A, Roux D, Rouze A, Rubatto Birri PN, Ruilan W, Ruiz Robledo A, Ruiz-Aguilar AL, Sadahiro T, Saez I, Sagardia J, Saha R, Saha R, Saiphoklang N, Saito S, Salem M, Sales G, Salgado P, Samavedam S, Sami Mebazaa M, Samuelsson L, San Juan Roman N, Sanchez P, Sanchez-Ballesteros J, Sandoval Y, Sani E, Santos M, Santos C, Sanui M, Saravanabavan L, Sari S, Sarkany A, Sauneuf B, Savioli M, Sazak H, Scano R, Schneider F, Schortgen F, Schultz MJ, Schwarz GL, Seçkin Yücesoy F, Seely A, Seiler F, Seker Tekdos Y, Seok Chan K, Serano L, Serednicki W, Serpa Neto A, Setten M, Shah A, Shah B, Shang Y, Shanmugasundaram P, Shapovalov K, Shebl E, Shiga T, Shime N, Shin P, Short J, Shuhua C, Siddiqui S, Silesky Jimenez JI, Silva D, Silva Sales B, Simons K, Sjøbø BÅ, Slessor D, Smiechowicz J, Smischney N, Smith P, Smith T, Smith M, Snape S, Snyman L, Soetens F, Sook Hong K, Sosa Medellin MÁ, Soto G, Souloy X, Sousa E, Sovatzis S, Sozutek D, Spadaro S, Spagnoli M, Spångfors M, Spittle N, Spivey M, Stapleton A, Stefanovic B, Stephenson L, Stevenson E, Strand K, Strano MT, Straus S, Sun C, Sun R, Sundaram V, SunPark T, Surlemont E, Sutherasan Y, Szabo Z, Szuldrzynski K, Tainter C, Takaba A, Tallott M, Tamasato T, Tang Z, Tangsujaritvijit V, Taniguchi L, Taniguchi D, Tarantino F, Teerapuncharoen K, Temprano S, Terragni P, Terzi N, Thakur A, Theerawit P, Thille AW, Thomas M, Thungtitigul P, Thyrault M, Tilouch N, Timenetsky K, Tirapu J, Todeschini M, Tomas R, Tomaszewski C, Tonetti T, Tonnelier A, Trinder J, Trongtrakul K, Truwit J, Tsuei B, Tulaimat A, Turan S, Turkoglu M, Tyagi S, Ubeda A, Vagginelli F, Valenti MF, Vallverdu I, Van Axel A, van den Hul I, van der Hoeven H, Van Der Meer N, Van Haren F, Vanhoof M, Vargas-Ordoñez M, Vaschetto R, Vascotto E, Vatsik M, Vaz A, Vazquez-Sanchez A, Ventura S, Vermeijden JW, Vidal A, Vieira J, Vilela Costa Pinto B, Villagomez A, Villagra A, Villegas Succar C, Vinorum OG, Vitale G, Vj R, Vochin A, Voiriot G, Volta CA, von Seth M, Wajdi M, Walsh D, Wang S, Wardi G, Ween-Velken NC, Wei BL, Weller D, Welsh D, Welters I, Wert M, Whiteley S, Wilby E, Williams E, Williams K, Wilson A, Wojtas J, Won Huh J, Wrathall D, Wright C, Wu JF, Xi G, Xing ZJ, Xu H, Yamamoto K, Yan J, Yáñez J, Yang X, Yates E, Yazicioglu Mocin O, Ye Z, Yildirim F, Yoshida N, Yoshido HHL, Young Lee B, Yu R, Yu G, Yu T, Yuan B, Yuangtrakul N, Yumoto T, Yun X, Zakalik G, Zaki A, Zalba-Etayo B, Zambon M, Zang B, Zani G, Zarka J, Zerbi SM, Zerman A, Zetterquist H, Zhang J, Zhang H, Zhang W, Zhang G, Zhang W, Zhao H, Zheng J, Zhu B, Zumaran R. Weaning from mechanical ventilation in intensive care units across 50 countries (WEAN SAFE): a multicentre, prospective, observational cohort study. Lancet Respir Med 2023; 11:465-476. [PMID: 36693401 DOI: 10.1016/s2213-2600(22)00449-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 11/07/2022] [Accepted: 11/10/2022] [Indexed: 01/23/2023]
Abstract
BACKGROUND Current management practices and outcomes in weaning from invasive mechanical ventilation are poorly understood. We aimed to describe the epidemiology, management, timings, risk for failure, and outcomes of weaning in patients requiring at least 2 days of invasive mechanical ventilation. METHODS WEAN SAFE was an international, multicentre, prospective, observational cohort study done in 481 intensive care units in 50 countries. Eligible participants were older than 16 years, admitted to a participating intensive care unit, and receiving mechanical ventilation for 2 calendar days or longer. We defined weaning initiation as the first attempt to separate a patient from the ventilator, successful weaning as no reintubation or death within 7 days of extubation, and weaning eligibility criteria based on positive end-expiratory pressure, fractional concentration of oxygen in inspired air, and vasopressors. The primary outcome was the proportion of patients successfully weaned at 90 days. Key secondary outcomes included weaning duration, timing of weaning events, factors associated with weaning delay and weaning failure, and hospital outcomes. This study is registered with ClinicalTrials.gov, NCT03255109. FINDINGS Between Oct 4, 2017, and June 25, 2018, 10 232 patients were screened for eligibility, of whom 5869 were enrolled. 4523 (77·1%) patients underwent at least one separation attempt and 3817 (65·0%) patients were successfully weaned from ventilation at day 90. 237 (4·0%) patients were transferred before any separation attempt, 153 (2·6%) were transferred after at least one separation attempt and not successfully weaned, and 1662 (28·3%) died while invasively ventilated. The median time from fulfilling weaning eligibility criteria to first separation attempt was 1 day (IQR 0-4), and 1013 (22·4%) patients had a delay in initiating first separation of 5 or more days. Of the 4523 (77·1%) patients with separation attempts, 2927 (64·7%) had a short wean (≤1 day), 457 (10·1%) had intermediate weaning (2-6 days), 433 (9·6%) required prolonged weaning (≥7 days), and 706 (15·6%) had weaning failure. Higher sedation scores were independently associated with delayed initiation of weaning. Delayed initiation of weaning and higher sedation scores were independently associated with weaning failure. 1742 (31·8%) of 5479 patients died in the intensive care unit and 2095 (38·3%) of 5465 patients died in hospital. INTERPRETATION In critically ill patients receiving at least 2 days of invasive mechanical ventilation, only 65% were weaned at 90 days. A better understanding of factors that delay the weaning process, such as delays in weaning initiation or excessive sedation levels, might improve weaning success rates. FUNDING European Society of Intensive Care Medicine, European Respiratory Society.
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Affiliation(s)
- Tài Pham
- Service de Médecine Intensive-Réanimation, AP-HP, Hôpital de Bicêtre, DMU CORREVE, FHU SEPSIS, Groupe de Recherche CARMAS, Hôpitaux Universitaires Paris-Saclay, Le Kremlin-Bicêtre, France; Université Paris-Saclay, UVSQ, Université Paris-Sud, Inserm U1018, Equipe d'Epidémiologie Respiratoire Intégrative, CESP, 94807, Villejuif, France
| | - Leo Heunks
- Department of Intensive Care Medicine, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Giacomo Bellani
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy; Department of Emergency and Intensive Care, University Hospital San Gerardo, Monza, Italy
| | - Fabiana Madotto
- Department of Anaesthesia, Intensive Care and Emergency, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Irene Aragao
- Department of Intensive Care Medicine, Centro Hospitalar Universitário do Porto, Porto, Portugal
| | - Gaëtan Beduneau
- Normandie University, UNIROUEN, UR 3830, CHU Rouen, Department of Medical Intensive Care, F-76000 Rouen, France
| | - Ewan C Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada; Department of Medicine, Division of Respirology, Toronto General Hospital Research Institute University Health Network, Toronto, Canada
| | - Giacomo Grasselli
- Department of Anaesthesia, Intensive Care and Emergency, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Jon Henrik Laake
- Department of Anaesthesiology and Department of Research and Development, Division of Critical Care and Emergencies, Oslo University Hospital, Oslo, Norway
| | - Jordi Mancebo
- Department of Intensive Care Medicine, Hospital Universitari Sant Pau, Barcelona, Spain
| | - Oscar Peñuelas
- Intensive Care Unit, Hospital Universitario de Getafe, Madrid, Spain; Centro de Investigación Biomédica en Red, CIBER de Enfermedades Respiratorias, CIBERES, Madrid, Spain
| | - Lise Piquilloud
- Adult Intensive Care Unit, University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Antonio Pesenti
- Department of Anaesthesia, Intensive Care and Emergency, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
| | - Hannah Wunsch
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada; Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Frank van Haren
- College of Health and Medicine, Australian National University, Canberra, ACT, Australia; Intensive Care Unit, St George Hospital, Sydney, NSW, Australia
| | - Laurent Brochard
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada; Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
| | - John G Laffey
- Anaesthesia and Intensive Care Medicine, School of Medicine, Clinical Sciences Institute, Galway University Hospitals, Galway, Ireland; School of Medicine, Regenerative Medicine Institute (REMEDI) at CÚRAM Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland.
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Bosma KJ, Martin CM, Burns KEA, Mancebo Cortes J, Suárez Montero JC, Skrobik Y, Thorpe KE, Amaral ACKB, Arabi Y, Basmaji J, Beduneau G, Beloncle F, Carteaux G, Charbonney E, Demoule A, Dres M, Fanelli V, Geagea A, Goligher E, Lellouche F, Maraffi T, Mercat A, Rodriguez PO, Shahin J, Sibley S, Spadaro S, Vaporidi K, Wilcox ME, Brochard L. Study protocol for a randomized controlled trial of Proportional Assist Ventilation for Minimizing the Duration of Mechanical Ventilation: the PROMIZING study. Trials 2023; 24:232. [PMID: 36973743 PMCID: PMC10041480 DOI: 10.1186/s13063-023-07163-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/17/2023] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND Proportional assist ventilation with load-adjustable gain factors (PAV+) is a mechanical ventilation mode that delivers assistance to breathe in proportion to the patient's effort. The proportional assistance, called the gain, can be adjusted by the clinician to maintain the patient's respiratory effort or workload within a normal range. Short-term and physiological benefits of this mode compared to pressure support ventilation (PSV) include better patient-ventilator synchrony and a more physiological response to changes in ventilatory demand. METHODS The objective of this multi-centre randomized controlled trial (RCT) is to determine if, for patients with acute respiratory failure, ventilation with PAV+ will result in a shorter time to successful extubation than with PSV. This multi-centre open-label clinical trial plans to involve approximately 20 sites in several continents. Once eligibility is determined, patients must tolerate a short-term PSV trial and either (1) not meet general weaning criteria or (2) fail a 2-min Zero Continuous Positive Airway Pressure (CPAP) Trial using the rapid shallow breathing index, or (3) fail a spontaneous breathing trial (SBT), in this sequence. Then, participants in this study will be randomized to either PSV or PAV+ in a 1:1 ratio. PAV+ will be set according to a target of muscular pressure. The weaning process will be identical in the two arms. Time to liberation will be the primary outcome; ventilator-free days and other outcomes will be measured. DISCUSSION Meta-analyses comparing PAV+ to PSV suggest PAV+ may benefit patients and decrease healthcare costs but no powered study to date has targeted the difficult to wean patient population most likely to benefit from the intervention, or used consistent timing for the implementation of PAV+. Our enrolment strategy, primary outcome measure, and liberation approaches may be useful for studying mechanical ventilation and weaning and can offer important results for patients. TRIAL REGISTRATION ClinicalTrials.gov NCT02447692 . Prospectively registered on May 19, 2015.
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Affiliation(s)
- Karen J Bosma
- Division of Critical Care, Department of Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada.
- Lawson Health Research Institute, London Health Sciences Centre, London, ON, Canada.
| | - Claudio M Martin
- Division of Critical Care, Department of Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada
- Lawson Health Research Institute, London Health Sciences Centre, London, ON, Canada
| | - Karen E A Burns
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, ON, Canada
- Division of Critical Care, Unity Health Toronto - St. Michael's Hospital, Toronto, ON, Canada
| | | | | | - Yoanna Skrobik
- Department of Medicine, McGill University, Québec, Canada
| | - Kevin E Thorpe
- Dalla Lana School of Public Health, Biostatistics Division, University of Toronto, Toronto, ON, Canada
- Applied Health Research Centre (AHRC), Li Ka Shing Knowledge Institute of St. Michael's Hospital, Toronto, Canada
| | - Andre Carlos Kajdacsy-Balla Amaral
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, ON, Canada
- Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, 2075 Bayview Ave, Toronto, ON, Canada
| | - Yaseen Arabi
- Intensive Care Department, King Abdulaziz Medical City, Riyadh, Kingdom of Saudi Arabia
| | - John Basmaji
- Division of Critical Care, Department of Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada
- Lawson Health Research Institute, London Health Sciences Centre, London, ON, Canada
| | - Gaëtan Beduneau
- Medical Intensive Care Unit, Normandie Univ, UNIROUEN, EA 3830, Rouen University Hospital, 76000, Rouen, France
| | - Francois Beloncle
- Medical Intensive Care Department, Angers University Hospital, Angers, France
| | - Guillaume Carteaux
- Service de Médecine Intensive Réanimation, Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor-Albert Chenevier, Creteil, France
| | - Emmanuel Charbonney
- Centre Hospitalier de l'Université de Montréal (CHUM) and Hôpital du Sacré-Coeur de Montréal, Montreal, QC, Canada
| | - Alexandre Demoule
- Service de Médecine intensive - Réanimation Département, Hôpital Universitaire Pitié-Salpêtrière and Sorbonne Université Médecine, Paris, France
| | - Martin Dres
- Service de Médecine intensive - Réanimation Département, Hôpital Universitaire Pitié-Salpêtrière and Sorbonne Université Médecine, Paris, France
| | - Vito Fanelli
- Department of Surgical Sciences, University of Turin, Turin, Italy
- Department of Anaesthesia, Critical Care and Emergency - Città della Salute e della Scienza Hospital - University of Turin, Turin, Italy
| | - Anna Geagea
- Division of Critical Care Medicine, Department of Medicine, North York General Hospital, Toronto, ON, Canada
| | - Ewan Goligher
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, ON, Canada
- Department of Medicine, Toronto General Hospital, Toronto, ON, Canada
| | - François Lellouche
- Centre de recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ) - Université Laval, Québec City, QC, Canada
| | - Tommaso Maraffi
- Intensive Care Unit, Hôpital Intercommunal de Créteil, Créteil, France
| | - Alain Mercat
- Medical Intensive Care Department, Angers University Hospital, Angers, France
| | - Pablo O Rodriguez
- Intensive Care Unit, Instituto Universitario CEMIC (Centro de Educación Médica e Investigaciones Clínicas "Norberto Quirno"), Av. Cnel. Diaz 2423 3rd floor, Buenos Aires, Argentina
| | - Jason Shahin
- Department of Critical Care, Division of Pulmonary Medicine, McGill University, Québec, Canada
| | - Stephanie Sibley
- Department of Emergency Medicine and Department of Critical Care Medicine, Queen's University, Kingston, ON, Canada
| | - Savino Spadaro
- Department of Translational Medicine, Faculty of Medicine and Surgery, University of Ferrara, Ferrara, Italy
| | | | - M Elizabeth Wilcox
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, ON, Canada
- University Health Network , Toronto, ON, Canada
| | - Laurent Brochard
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, ON, Canada
- Keenan Research Centre, Department of Critical Care, St Michael's Hospital, Unity Health Toronto, Toronto, Canada
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Rozenberg D, Al Kaabi N, Camacho Perez E, Nourouzpour S, Lopez-Hernandez L, McGillis L, Goligher E, Reid WD, Chow CW, Ryan CM, Kumbhare D, Huszti E, Champagne K, Raj S, Mak S, Santa Mina D, Clarke H, Mittal N. Evaluation and Management of Dyspnea in Hypermobile Ehlers-Danlos Syndrome and Generalized Hypermobility Spectrum Disorder: Protocol for a Pilot and Feasibility Randomized Controlled Trial. JMIR Res Protoc 2023; 12:e44832. [PMID: 36939815 PMCID: PMC10131980 DOI: 10.2196/44832] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Dyspnea is a prevalent symptom in individuals with hypermobile Ehlers-Danlos Syndrome (hEDS) and generalized hypermobility spectrum disorder (G-HSD), yet its contributors have not been identified. One known contributor to dyspnea is respiratory muscle weakness. The feasibility and effectiveness of inspiratory muscle training (IMT) in combination with standard-of-care rehabilitation (aerobic, resistance, neuromuscular stabilization, and balance and proprioception exercises) in improving respiratory muscle strength and patient-reported outcomes in patients with hEDS or G-HSD have not been evaluated. OBJECTIVE This study aims to evaluate dyspnea, respiratory muscle strength, and patient-reported outcome measures (PROMs) in hEDS or G-HSD compared with healthy controls and to assess the feasibility of a randomized controlled trial of IMT and standard-of-care rehabilitation for improving respiratory muscle strength, exercise capacity, and PROMs compared with standard-of-care rehabilitation in hEDS and G-HSD. METHODS The study will include 34 participants with hEDS or G-HSD and 17 healthy, age- and sex-matched controls to compare respiratory muscle structure and function and PROMs. After baseline assessments, participants with hEDS or G-HSD will be randomized into the intervention group and provided IMT combined with Ehlers-Danlos Syndrome standard-of-care rehabilitation or into the usual care group, and provided only standard-of-care rehabilitation for 8 weeks. The intervention group will be prescribed IMT in their home environment using the POWERbreathe K5 IMT device (POWERbreathe International Ltd). IMT will comprise 2 daily sessions of 30 breaths for 5 days per week, with IMT progressing from 20% to 60% of the baseline maximal inspiratory pressure (MIP) over an 8-week period. Feasibility will be assessed through rates of recruitment, attrition, adherence, adverse events, and participant satisfaction. The primary pilot outcome is MIP change over an 8-week period in hEDS or G-HSD. Secondary outcomes will include the evaluation of dyspnea using Medical Research Council Scale and 18-point qualitative dyspnea descriptors; diaphragmatic thickening fraction using ultrasound; respiratory muscle endurance; pulmonary function; prefrontal cortical activity using functional near-infrared spectroscopy; aerobic capacity during cardiopulmonary exercise testing; quality of life using Short Form-36; and scores from the Depression, Anxiety, and Stress scale-21. These measures will also be performed once in healthy controls to compare normative values. Multivariable regression will be used to assess the contributors to dyspnea. Paired 2-tailed t tests will be used to assess the changes in MIP and secondary measures after 8 weeks of IMT. RESULTS Study recruitment began in August 2021 and, with several disruptions owing to COVID-19, is expected to be completed by December 2023. CONCLUSIONS This study will provide a better understanding of the factors associated with dyspnea and the feasibility and effectiveness of IMT combined with standard-of-care rehabilitation. IMT may be a novel therapeutic strategy for improving respiratory muscle function and patient-reported outcomes in individuals with hEDS or G-HSD. TRIAL REGISTRATION ClinicalTrials.gov NCT04972565; https://clinicaltrials.gov/ct2/show/NCT04972565. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) DERR1-10.2196/44832.
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Affiliation(s)
- Dmitry Rozenberg
- Respirology and Lung Transplantation, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- GoodHope Ehlers-Danlos Syndrome Clinic, University Health Network, Toronto, ON, Canada
| | - Noor Al Kaabi
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- GoodHope Ehlers-Danlos Syndrome Clinic, University Health Network, Toronto, ON, Canada
- Respirology, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | - Encarna Camacho Perez
- GoodHope Ehlers-Danlos Syndrome Clinic, University Health Network, Toronto, ON, Canada
- Respirology, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | - Sahar Nourouzpour
- Respirology, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | - Laura Lopez-Hernandez
- GoodHope Ehlers-Danlos Syndrome Clinic, University Health Network, Toronto, ON, Canada
| | - Laura McGillis
- GoodHope Ehlers-Danlos Syndrome Clinic, University Health Network, Toronto, ON, Canada
| | - Ewan Goligher
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Respirology, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - W Darlene Reid
- KITE-Toronto Rehab, University Health Network, Toronto, ON, Canada
- Physical Therapy, University of Toronto, Toronto, ON, Canada
| | - Chung-Wai Chow
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Respirology, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | - Clodagh M Ryan
- KITE-Toronto Rehab, University Health Network, Toronto, ON, Canada
| | - Dinesh Kumbhare
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- KITE-Toronto Rehab, University Health Network, Toronto, ON, Canada
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
| | - Ella Huszti
- Biostatistics Research Unit, University Health Network, Toronto, ON, Canada
| | | | - Satish Raj
- Department of Cardiac Sciences, Cumming School of Medicine, Calgary, AB, Canada
| | - Susanna Mak
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Department of Cardiology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Daniel Santa Mina
- GoodHope Ehlers-Danlos Syndrome Clinic, University Health Network, Toronto, ON, Canada
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
- Department of Anesthesia and Pain Management, University Health Network, Toronto, ON, Canada
| | - Hance Clarke
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- GoodHope Ehlers-Danlos Syndrome Clinic, University Health Network, Toronto, ON, Canada
- Department of Anesthesia and Pain Management, University Health Network, Toronto, ON, Canada
| | - Nimish Mittal
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- GoodHope Ehlers-Danlos Syndrome Clinic, University Health Network, Toronto, ON, Canada
- KITE-Toronto Rehab, University Health Network, Toronto, ON, Canada
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
- Department of Anesthesia and Pain Management, University Health Network, Toronto, ON, Canada
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7
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Pitre T, Cheng S, Cusano E, Khan N, Mikhail D, Leung G, Vernooij RWM, Yarnell CJ, Goligher E, Murthy S, Heath A, Mah J, Rochwerg B, Zeraatkar D. Methodology and Design of Platform Trials: A meta-epidemiological study. J Clin Epidemiol 2023; 157:1-12. [PMID: 36893990 PMCID: PMC9991927 DOI: 10.1016/j.jclinepi.2023.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 01/26/2023] [Accepted: 02/02/2023] [Indexed: 03/11/2023]
Abstract
INTRODUCTION Adaptive platforms allow for the evaluation of multiple interventions at a lower cost and have been growing in popularity, especially during the COVID-19 pandemic. The objective of this review is to summarize published platform trials, examine specific methodological design features amongst these studies and hopefully aid readers in the evaluation and interpretation of platform trial results. METHODS We performed a systematic review of EMBASE, MEDLINE, Cochrane Central Register of Controlled Trials (CENTRAL) and clinicaltrials.gov from January 2015 to January 2022 for protocols or results of platform trials. Pairs of reviewers, working independently and in duplicate, collected data on trial characteristics of trial registrations, protocols, and publications of platform trials. We reported our results using total numbers and percentages, as well as medians with interquartile range (IQR) when appropriate. RESULTS We identified 15,277 unique search records and screened 14,403 titles and abstracts after duplicates were removed. We identified 98 unique randomized platform trials. Sixteen platform trials were sourced from a systematic review completed in 2019, which included platform trials reported prior to 2015. Most platform trials (n=67, 68.3%) were registered between 2020-2022, coinciding with the COVID-19 pandemic. The included platform trials primarily recruited or plan to recruit patients from North America or Europe, with most subjects being recruited from the United States (n=39, 39.7%) and the United Kingdom (n=31, 31.6%). Bayesian methods were used in 28.6% (n = 28) of platform RCTs and frequentist methods in 66.3% (n = 65) of trials including 1 (1%) that used methods from both paradigms. Out of the twenty-five trials with peer reviewed publication of results, seven trials used Bayesian methods (28%) and of those, two (8%) used a pre-defined sample size calculation while the remainder used pre-specified probabilities of futility, harm, or benefit calculated at (pre-specified) intervals to inform decisions about stopping interventions or the entire trial. Seventeen (68%) peer reviewed publications used frequentist methods. Out of the seven published Bayesian trials, seven (100%) reported thresholds for benefit. The threshold for benefit ranged from 80% to >99%. CONCLUSION We identified and summarized key components of platform trials, including the basics of the methodological and statistical considerations. Ultimately, improving standardization and reporting in platform trials require an understanding of the current landscape. We provide the most updated and rigorous review of platform trials to date.
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Affiliation(s)
- Tyler Pitre
- Division of Internal Medicine, McMaster University, Hamilton, Ontario.
| | - Samantha Cheng
- Faculty of Health Sciences, McMaster University, Hamilton, Ontario
| | - Ellen Cusano
- Division of Hematology and Hematologic Malignancies, Department of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Nadia Khan
- Schulich School of Medicine and Dentistry, London, Ontario
| | - David Mikhail
- Faculty of Health Sciences, McMaster University, Canada
| | - Gareth Leung
- Faculty of Medicine, University of Ottawa, Canada
| | - Robin W M Vernooij
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands; Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Christopher J Yarnell
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada; University Health Network and Sinai Health System, Toronto, Canada; Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Canada
| | - Ewan Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada; Toronto General Hospital Research Institute, Toronto, Canada; Department of Physiology, University of Toronto, Toronto, Canada
| | - Srinivas Murthy
- Faculty of Medicine, University of British Columbia, Vancouver, British Columbia
| | - Anna Heath
- Child Health Evaluative Science, The Hospital for Sick Children, Toronto, ON, Canada; Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada; Department of Statistical Science, University College London, London, UK
| | - Jasmine Mah
- Department of medicine, Dalhousie University, Halifax, NS, Canada
| | - Bram Rochwerg
- Department of Critical Care, Juravinski Hospital, Hamilton, ON. Department of Health Research Methods Evidence and Impact, McMaster University, Hamilton, ON
| | - Dena Zeraatkar
- Department of Anesthesiology, McMaster University, Hamilton ON, Department of Health Research Methods Evidence and Impact, McMaster University, Hamilton, ON
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8
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Ponomarev D, Brochard L, Goligher E. Expiratory Muscle Relaxation-Induced Ventilator Triggering: A New Dyssynchrony or an Established Physiological Phenomenon? Chest 2022; 162:e342-e343. [PMID: 36494140 DOI: 10.1016/j.chest.2022.08.2224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 12/12/2022] Open
Affiliation(s)
- Dmitry Ponomarev
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.
| | - Laurent Brochard
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - Ewan Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
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9
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Chaudhuri D, Jinah R, Burns KEA, Angriman F, Ferreyro B, Munshi L, Goligher E, Scales D, Cook DJ, Mauri T, Rochwerg B. Helmet non-invasive ventilation compared to facemask non-invasive ventilation and high flow nasal cannula in acute respiratory failure: a systematic review and meta-analysis. Eur Respir J 2021; 59:13993003.01269-2021. [PMID: 34413155 DOI: 10.1183/13993003.01269-2021] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 07/17/2021] [Indexed: 11/05/2022]
Abstract
BACKGROUND Although small randomised controlled trials (RCTs) and observational studies have examined helmet non-invasive ventilation (NIV), uncertainty remains regarding its role. We conducted a systematic review and meta-analysis to examine the effect of helmet NIV compared to facemask NIV or high flow nasal cannula (HFNC) in acute respiratory failure. METHODS We searched multiple databases to identify RCTs and observational studies reporting on at least one of mortality, intubation, ICU length of stay, NIV duration, complications, or comfort with NIV therapy. We assessed study risk of bias (ROB) using the Cochrane ROB tool for RCTs and the Ottawa-Newcastle scale for observational studies and rated certainty of pooled evidence using GRADE. RESULTS We separately pooled data from 16 RCTs (n=949) and 8 observational studies (n=396). Compared to facemask NIV, based on low certainty evidence, helmet NIV may reduce mortality (relative risk (RR) 0.56, 95% confidence interval (CI) (0.33 to 0.95)), and intubation (RR 0.35, 95% CI (0.22 to 0.56)) in both hypoxic and hypercapnic respiratory failure but may have no effect on duration of NIV. There was an uncertain effect of helmet on ICU length of stay and development of pressure sores. Data from observational studies was consistent with the foregoing findings but of lower certainty. Based on low and very low certainty data, helmet NIV may reduce intubation compared to HFNC, but its effect on mortality is uncertain. CONCLUSION Compared to facemask NIV, helmet NIV may reduce mortality and intubation; however, the effect of helmet compared to HFNC remains uncertain.
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Affiliation(s)
- Dipayan Chaudhuri
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada.,Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada.,Authors share co-first authorship
| | - Rehman Jinah
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada.,Authors share co-first authorship
| | - Karen E A Burns
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada.,Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Li Ka Shing Knowledge Institute, Unity Health Toronto - St. Michael's Hospital, Toronto, Ontario, Canada
| | - Federico Angriman
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Institute of Health Policy, Management and Evaluation. Dalla Lana School of Public Health, Univeristy of Toronto, Toronto, Ontario, Canada
| | - Bruno Ferreyro
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Institute of Health Policy, Management and Evaluation. Dalla Lana School of Public Health, Univeristy of Toronto, Toronto, Ontario, Canada.,Department of Medicine, Sinai Health System and University Health Network, Toronto, Ontario, Canada
| | - Laveena Munshi
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Department of Medicine, Sinai Health System and University Health Network, Toronto, Ontario, Canada
| | - Ewan Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Department of Medicine, Division of Respirology, University Health Network, Toronto, Ontario, Canada.,Toronto General Hospital Research Institute, Toronto, Ontario, Canada
| | - Damon Scales
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada.,Institute of Health Policy, Management and Evaluation. Dalla Lana School of Public Health, Univeristy of Toronto, Toronto, Ontario, Canada
| | - Deborah J Cook
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada.,Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada.,Division of Critical Care Medicine, St. Joseph's Hospital, Hamilton, Ontario, Canada
| | - Tommaso Mauri
- Department of Pathophysiology and Transplantation, University of Milan, Italy.,Department of Anesthesia, Critical Care and Emergency, Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Bram Rochwerg
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada .,Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada
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10
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Costa ELV, Slutsky AS, Brochard LJ, Brower R, Serpa-Neto A, Cavalcanti AB, Mercat A, Meade M, Morais CCA, Goligher E, Carvalho CRR, Amato MBP. Ventilatory Variables and Mechanical Power in Patients with Acute Respiratory Distress Syndrome. Am J Respir Crit Care Med 2021; 204:303-311. [PMID: 33784486 DOI: 10.1164/rccm.202009-3467oc] [Citation(s) in RCA: 117] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Rationale: Mortality in acute respiratory distress syndrome (ARDS) has decreased after the adoption of lung-protective strategies. Lower Vt, lower driving pressure (ΔP), lower respiratory rates (RR), and higher end-expiratory pressure have all been suggested as key components of lung protection strategies. A unifying theoretical explanation has been proposed that attributes lung injury to the energy transfer rate (mechanical power) from the ventilator to the patient, calculated from a combination of several ventilator variables.Objectives: To assess the impact of mechanical power on mortality in patients with ARDS as compared with that of primary ventilator variables such as the ΔP, Vt, and RR.Methods: We obtained data on ventilatory variables and mechanical power from a pooled database of patients with ARDS who had participated in six randomized clinical trials of protective mechanical ventilation and one large observational cohort of patients with ARDS. The primary outcome was mortality at 28 days or 60 days.Measurements and Main Results: We included 4,549 patients (38% women; mean age, 55 ± 23 yr). The average mechanical power was 0.32 ± 0.14 J · min-1 · kg-1 of predicted body weight, the ΔP was 15.0 ± 5.8 cm H2O, and the RR was 25.7 ± 7.4 breaths/min. The driving pressure, RR, and mechanical power were significant predictors of mortality in adjusted analyses. The impact of the ΔP on mortality was four times as large as that of the RR.Conclusions: Mechanical power was associated with mortality during controlled mechanical ventilation in ARDS, but a simpler model using only the ΔP and RR was equivalent.
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Affiliation(s)
- Eduardo L V Costa
- Laboratório de Pneumologia, Laboratório de Investigação Médica 09, Disciplina de Pneumologia, Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil.,Instituto de Ensino e Pesquisa, Hospital Sírio-Libanes, São Paulo, São Paulo, Brazil
| | - Arthur S Slutsky
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Laurent J Brochard
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Roy Brower
- Division of Pulmonary and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Ary Serpa-Neto
- Hospital Israelita Albert Einstein, São Paulo, São Paulo, Brazil
| | - Alexandre B Cavalcanti
- Instituto de Pesquisas Hospital do Coração-Hospital do Coração, São Paulo, São Paulo, Brazil
| | - Alain Mercat
- Département de Médecine Intensive-Réanimation, Centre Hospitalier Universitaire d'Angers, Université d'Angers, Angers, France
| | - Maureen Meade
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Caio C A Morais
- Laboratório de Pneumologia, Laboratório de Investigação Médica 09, Disciplina de Pneumologia, Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Ewan Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Division of Respirology, Department of Medicine, University Health Network and Sinai Health System, Toronto, Ontario, Canada; and.,Toronto General Hospital Research Institute, Toronto General Hospital, Toronto, Ontario, Canada
| | - Carlos R R Carvalho
- Laboratório de Pneumologia, Laboratório de Investigação Médica 09, Disciplina de Pneumologia, Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Marcelo B P Amato
- Laboratório de Pneumologia, Laboratório de Investigação Médica 09, Disciplina de Pneumologia, Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, São Paulo, Brazil
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11
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Viderman D, Issanov A, Temirov T, Goligher E, la Fleur P. Outcome Predictors of Stroke Mortality in the Neurocritical Care Unit. Front Neurol 2020; 11:579733. [PMID: 33384652 PMCID: PMC7769840 DOI: 10.3389/fneur.2020.579733] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 11/18/2020] [Indexed: 01/17/2023] Open
Abstract
Background: Risk factors for medium to long-term mortality after stroke are well-established but predictors of in-hospital stroke mortality are less clearly characterized. Kazakhstan has the highest age-standardized mortality rate from ischemic stroke in the world. Methods: We performed a retrospective analysis of patients with stroke who were admitted over a 3.5-years period to the neurocritical care unit of a tertiary care hospital in Nur-Sultan, Kazakhstan. Results: In total, 148 critically ill patients were included in the analysis (84 ischemic stroke, 64 hemorrhagic stroke). The mean age was 63 years, 45% were male and the mean Glasgow Coma Score (±SD) at baseline was 10.3 (±3.4). The in-hospital mortality rate was similar in patients with ischemic (36%) and hemorrhagic (39%) stroke (HR 0.88, 95%CI 0.48-1.60). Median survival was 38 days (range: 1-89 days) in patients with ischemic stroke and 39 days (range: 1-63 days) in patients with hemorrhagic stroke. Univariable analysis found that patients who had a lower Glasgow Coma Scale, were in coma and who had cerebral edema were more likely to die in-hospital (P = 0.04, 0.02, <0.01, respectively). Conclusions: Our analysis showed that mortality risk in critically ill patients with hemorrhagic stroke was closer to mortality risk in patients with ischemic stroke than has been reported in other analyses. Hypertension, chronic heart failure, ischemic heart disease and atrial fibrillation were the most frequent comorbidities in patients who developed severe (life-threatening) stroke. Coma and cerebral edema on admission appear to be associated with poor outcome. This is the first publication of in-hospital stroke mortality from a Central Asian population and could form the basis for future research including development of risk scores and identifying modifiable risk factors.
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Affiliation(s)
- Dmitriy Viderman
- Nazarbayev University School of Medicine (NUSOM), Nur-Sultan, Kazakhstan
| | - Alpamys Issanov
- Nazarbayev University School of Medicine (NUSOM), Nur-Sultan, Kazakhstan
| | - Talgat Temirov
- National Research Oncology Center, Nur-Sultan, Kazakhstan.,Astana Medical University, Nur-Sultan, Kazakhstan
| | - Ewan Goligher
- Division of Respirology, Department of Medicine, University Health Network, Toronto, ON, Canada.,Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.,Toronto General Hospital Research Institute, Toronto, ON, Canada
| | - Philip la Fleur
- Nazarbayev University School of Medicine (NUSOM), Nur-Sultan, Kazakhstan
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Tritschler T, Mathieu ME, Skeith L, Rodger M, Middeldorp S, Brighton T, Sandset PM, Kahn SR, Angus DC, Blondon M, Bonten MJ, Cattaneo M, Cushman M, Derde LPG, DeSancho MT, Diehl JL, Goligher E, Jilma B, Jüni P, Lawler PR, Marietta M, Marshall JC, McArthur C, Miranda CH, Mirault T, Morici N, Perepu U, Schörgenhofer C, Sholzberg M, Spyropoulos AC, Webb SA, Zarychanski R, Zuily S, Le Gal G. Anticoagulant interventions in hospitalized patients with COVID-19: A scoping review of randomized controlled trials and call for international collaboration. J Thromb Haemost 2020; 18:2958-2967. [PMID: 32888372 PMCID: PMC9906402 DOI: 10.1111/jth.15094] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/06/2020] [Accepted: 08/31/2020] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Coronavirus disease (COVID-19) is associated with a high incidence of thrombosis and mortality despite standard anticoagulant thromboprophylaxis. There is equipoise regarding the optimal dose of anticoagulant intervention in hospitalized patients with COVID-19 and consequently, immediate answers from high-quality randomized trials are needed. METHODS The World Health Organization's International Clinical Trials Registry Platform was searched on June 17, 2020 for randomized controlled trials comparing increased dose to standard dose anticoagulant interventions in hospitalized COVID-19 patients. Two authors independently screened the full records for eligibility and extracted data in duplicate. RESULTS A total of 20 trials were included in the review. All trials are open label, 5 trials use an adaptive design, 1 trial uses a factorial design, 2 trials combine multi-arm parallel group and factorial designs in flexible platform trials, and at least 15 trials have multiple study sites. With individual target sample sizes ranging from 30 to 3000 participants, the pooled sample size of all included trials is 12 568 participants. Two trials include only intensive care unit patients, and 10 trials base patient eligibility on elevated D-dimer levels. Therapeutic intensity anticoagulation is evaluated in 14 trials. All-cause mortality is part of the primary outcome in 14 trials. DISCUSSION Several trials evaluate different dose regimens of anticoagulant interventions in hospitalized patients with COVID-19. Because these trials compete for sites and study participants, a collaborative effort is needed to complete trials faster, conduct pooled analyses and bring effective interventions to patients more quickly.
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Affiliation(s)
- Tobias Tritschler
- Department of Medicine, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ontario, Canada
- Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Marie-Eve Mathieu
- Department of Medicine, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ontario, Canada
| | - Leslie Skeith
- Department of Medicine, University of Calgary, Calgary, AB, Canada
| | - Marc Rodger
- Department of Medicine, McGill University, Montreal, QC, Canada
| | - Saskia Middeldorp
- Department of Vascular Medicine, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Timothy Brighton
- Department of Haematology, New South Wales Health Pathology Randwick, Prince of Wales Hospital, Sydney, NSW, Australia
| | - Per Morten Sandset
- Department of Haematology, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Susan R Kahn
- Department of Medicine, McGill University, Montreal, QC, Canada
- Divisions of Internal Medicine and Clinical Epidemiology, Jewish General Hospital/Lady Davis Institute, Montreal, QC, Canada
| | - Derek C Angus
- University of Pittsburgh and UPMC Health System, Pittsburgh, PA, USA
| | - Marc Blondon
- Division of Angiology and Haemostasis, Faculty of Medicine and Geneva University Hospitals, Geneva, Switzerland
| | - Marc J Bonten
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Marco Cattaneo
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, Milan, Italy
| | - Mary Cushman
- Departments of Medicine and Pathology & Laboratory Medicine, Larner College of Medicine at the University of Vermont, Burlington, VT, USA
| | - Lennie P G Derde
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
- Department of Intensive Care Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Maria T DeSancho
- Division of Hematology-Oncology, Department of Medicine, Weill Cornell Medicine, New York Presbyterian Hospital, New York, NY, USA
| | - Jean-Luc Diehl
- Service de Médecine Intensive - Réanimation, Hôpital Européen Georges Pompidou, Assistance Publique - Hôpitaux de Paris, Paris, France
- Innovative Therapies in Haemostasis, INSERM UMR-S1140, Paris University, Paris, France
| | - Ewan Goligher
- Interdivisional Department of Critical Care, University of Toronto, Toronto, ON, Canada
- Division of Respirology, Department of Medicine, University Health Network, Toronto, ON, Canada
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Peter Jüni
- Applied Health Research Centre, Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, ON, Canada
- Department of Medicine and Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, ON, Canada
| | - Patrick R Lawler
- Peter Munk Cardiac Centre, University Health Network, Toronto, ON, Canada
- Ted Rogers Centre for Heart Research, Toronto, ON, Canada
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - Marco Marietta
- Dipartimento Oncologia ed Ematologia, Azienda Ospedaliero-Universitaria di Modena, Ospedale Policlinico, Modena, Italy
| | - John C Marshall
- Department of Critical Care Medicine, St Michael's Hospital, Toronto, ON, Canada
| | - Colin McArthur
- Auckland City Hospital, Intensive Care, Auckland, New Zealand
| | - Carlos Henrique Miranda
- Division of Emergency Medicine, Department of Internal Medicine, Ribeirão Preto School of Medicine, São Paulo University, Ribeirão Preto, Brazil
| | - Tristan Mirault
- Innovative Therapies in Haemostasis, INSERM UMR-S1140, Paris University, Paris, France
- PARCC, INSERM U970, Paris, France
- Hôpital Européen Georges-Pompidou, Assistance Publique - Hôpitaux de Paris, Paris, France
| | - Nuccia Morici
- Intensive Cardiac Care Unit and De Gasperis Cardio Center, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Usha Perepu
- Department of Internal Medicine, University of Iowa, Iowa City, IA, USA
| | | | - Michelle Sholzberg
- St. Michael's Hospital and Departments of Medicine, and Laboratory Medicine and Pathobiology, Li Ka Shing Knowledge Institute, University of Toronto, Toronto, ON, Canada
| | - Alex C Spyropoulos
- Feinstein Institutes for Medical Research and The Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, and Department of Medicine, Anticoagulation and Clinical Thrombosis Services, Northwell Health at Lenox Hill Hospital, New York, NY, USA
| | - Steve A Webb
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Ryan Zarychanski
- Department of Internal Medicine, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
- Cancer Care Manitoba, Research Institute of Oncology and Haematology, Winnipeg, MB, Canada
| | - Stéphane Zuily
- Vascular Medicine Division and Regional Competence Center for Marfan Syndrome, Inserm, DCAC and CHRU-Nancy, Université de Lorraine, Nancy, France
| | - Grégoire Le Gal
- Department of Medicine, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ontario, Canada
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Angus DC, Derde L, Al-Beidh F, Annane D, Arabi Y, Beane A, van Bentum-Puijk W, Berry L, Bhimani Z, Bonten M, Bradbury C, Brunkhorst F, Buxton M, Buzgau A, Cheng AC, de Jong M, Detry M, Estcourt L, Fitzgerald M, Goossens H, Green C, Haniffa R, Higgins AM, Horvat C, Hullegie SJ, Kruger P, Lamontagne F, Lawler PR, Linstrum K, Litton E, Lorenzi E, Marshall J, McAuley D, McGlothin A, McGuinness S, McVerry B, Montgomery S, Mouncey P, Murthy S, Nichol A, Parke R, Parker J, Rowan K, Sanil A, Santos M, Saunders C, Seymour C, Turner A, van de Veerdonk F, Venkatesh B, Zarychanski R, Berry S, Lewis RJ, McArthur C, Webb SA, Gordon AC, Al-Beidh F, Angus D, Annane D, Arabi Y, van Bentum-Puijk W, Berry S, Beane A, Bhimani Z, Bonten M, Bradbury C, Brunkhorst F, Buxton M, Cheng A, De Jong M, Derde L, Estcourt L, Goossens H, Gordon A, Green C, Haniffa R, Lamontagne F, Lawler P, Litton E, Marshall J, McArthur C, McAuley D, McGuinness S, McVerry B, Montgomery S, Mouncey P, Murthy S, Nichol A, Parke R, Rowan K, Seymour C, Turner A, van de Veerdonk F, Webb S, Zarychanski R, Campbell L, Forbes A, Gattas D, Heritier S, Higgins L, Kruger P, Peake S, Presneill J, Seppelt I, Trapani T, Young P, Bagshaw S, Daneman N, Ferguson N, Misak C, Santos M, Hullegie S, Pletz M, Rohde G, Rowan K, Alexander B, Basile K, Girard T, Horvat C, Huang D, Linstrum K, Vates J, Beasley R, Fowler R, McGloughlin S, Morpeth S, Paterson D, Venkatesh B, Uyeki T, Baillie K, Duffy E, Fowler R, Hills T, Orr K, Patanwala A, Tong S, Netea M, Bihari S, Carrier M, Fergusson D, Goligher E, Haidar G, Hunt B, Kumar A, Laffan M, Lawless P, Lother S, McCallum P, Middeldopr S, McQuilten Z, Neal M, Pasi J, Schutgens R, Stanworth S, Turgeon A, Weissman A, Adhikari N, Anstey M, Brant E, de Man A, Lamonagne F, Masse MH, Udy A, Arnold D, Begin P, Charlewood R, Chasse M, Coyne M, Cooper J, Daly J, Gosbell I, Harvala-Simmonds H, Hills T, MacLennan S, Menon D, McDyer J, Pridee N, Roberts D, Shankar-Hari M, Thomas H, Tinmouth A, Triulzi D, Walsh T, Wood E, Calfee C, O’Kane C, Shyamsundar M, Sinha P, Thompson T, Young I, Bihari S, Hodgson C, Laffey J, McAuley D, Orford N, Neto A, Detry M, Fitzgerald M, Lewis R, McGlothlin A, Sanil A, Saunders C, Berry L, Lorenzi E, Miller E, Singh V, Zammit C, van Bentum Puijk W, Bouwman W, Mangindaan Y, Parker L, Peters S, Rietveld I, Raymakers K, Ganpat R, Brillinger N, Markgraf R, Ainscough K, Brickell K, Anjum A, Lane JB, Richards-Belle A, Saull M, Wiley D, Bion J, Connor J, Gates S, Manax V, van der Poll T, Reynolds J, van Beurden M, Effelaar E, Schotsman J, Boyd C, Harland C, Shearer A, Wren J, Clermont G, Garrard W, Kalchthaler K, King A, Ricketts D, Malakoutis S, Marroquin O, Music E, Quinn K, Cate H, Pearson K, Collins J, Hanson J, Williams P, Jackson S, Asghar A, Dyas S, Sutu M, Murphy S, Williamson D, Mguni N, Potter A, Porter D, Goodwin J, Rook C, Harrison S, Williams H, Campbell H, Lomme K, Williamson J, Sheffield J, van’t Hoff W, McCracken P, Young M, Board J, Mart E, Knott C, Smith J, Boschert C, Affleck J, Ramanan M, D’Souza R, Pateman K, Shakih A, Cheung W, Kol M, Wong H, Shah A, Wagh A, Simpson J, Duke G, Chan P, Cartner B, Hunter S, Laver R, Shrestha T, Regli A, Pellicano A, McCullough J, Tallott M, Kumar N, Panwar R, Brinkerhoff G, Koppen C, Cazzola F, Brain M, Mineall S, Fischer R, Biradar V, Soar N, White H, Estensen K, Morrison L, Smith J, Cooper M, Health M, Shehabi Y, Al-Bassam W, Hulley A, Whitehead C, Lowrey J, Gresha R, Walsham J, Meyer J, Harward M, Venz E, Williams P, Kurenda C, Smith K, Smith M, Garcia R, Barge D, Byrne D, Byrne K, Driscoll A, Fortune L, Janin P, Yarad E, Hammond N, Bass F, Ashelford A, Waterson S, Wedd S, McNamara R, Buhr H, Coles J, Schweikert S, Wibrow B, Rauniyar R, Myers E, Fysh E, Dawda A, Mevavala B, Litton E, Ferrier J, Nair P, Buscher H, Reynolds C, Santamaria J, Barbazza L, Homes J, Smith R, Murray L, Brailsford J, Forbes L, Maguire T, Mariappa V, Smith J, Simpson S, Maiden M, Bone A, Horton M, Salerno T, Sterba M, Geng W, Depuydt P, De Waele J, De Bus L, Fierens J, Bracke S, Reeve B, Dechert W, Chassé M, Carrier FM, Boumahni D, Benettaib F, Ghamraoui A, Bellemare D, Cloutier È, Francoeur C, Lamontagne F, D’Aragon F, Carbonneau E, Leblond J, Vazquez-Grande G, Marten N, Wilson M, Albert M, Serri K, Cavayas A, Duplaix M, Williams V, Rochwerg B, Karachi T, Oczkowski S, Centofanti J, Millen T, Duan E, Tsang J, Patterson L, English S, Watpool I, Porteous R, Miezitis S, McIntyre L, Brochard L, Burns K, Sandhu G, Khalid I, Binnie A, Powell E, McMillan A, Luk T, Aref N, Andric Z, Cviljevic S, Đimoti R, Zapalac M, Mirković G, Baršić B, Kutleša M, Kotarski V, Vujaklija Brajković A, Babel J, Sever H, Dragija L, Kušan I, Vaara S, Pettilä L, Heinonen J, Kuitunen A, Karlsson S, Vahtera A, Kiiski H, Ristimäki S, Azaiz A, Charron C, Godement M, Geri G, Vieillard-Baron A, Pourcine F, Monchi M, Luis D, Mercier R, Sagnier A, Verrier N, Caplin C, Siami S, Aparicio C, Vautier S, Jeblaoui A, Fartoukh M, Courtin L, Labbe V, Leparco C, Muller G, Nay MA, Kamel T, Benzekri D, Jacquier S, Mercier E, Chartier D, Salmon C, Dequin P, Schneider F, Morel G, L’Hotellier S, Badie J, Berdaguer FD, Malfroy S, Mezher C, Bourgoin C, Megarbane B, Voicu S, Deye N, Malissin I, Sutterlin L, Guitton C, Darreau C, Landais M, Chudeau N, Robert A, Moine P, Heming N, Maxime V, Bossard I, Nicholier TB, Colin G, Zinzoni V, Maquigneau N, Finn A, Kreß G, Hoff U, Friedrich Hinrichs C, Nee J, Pletz M, Hagel S, Ankert J, Kolanos S, Bloos F, Petros S, Pasieka B, Kunz K, Appelt P, Schütze B, Kluge S, Nierhaus A, Jarczak D, Roedl K, Weismann D, Frey A, Klinikum Neukölln V, Reill L, Distler M, Maselli A, Bélteczki J, Magyar I, Fazekas Á, Kovács S, Szőke V, Szigligeti G, Leszkoven J, Collins D, Breen P, Frohlich S, Whelan R, McNicholas B, Scully M, Casey S, Kernan M, Doran P, O’Dywer M, Smyth M, Hayes L, Hoiting O, Peters M, Rengers E, Evers M, Prinssen A, Bosch Ziekenhuis J, Simons K, Rozendaal W, Polderman F, de Jager P, Moviat M, Paling A, Salet A, Rademaker E, Peters AL, de Jonge E, Wigbers J, Guilder E, Butler M, Cowdrey KA, Newby L, Chen Y, Simmonds C, McConnochie R, Ritzema Carter J, Henderson S, Van Der Heyden K, Mehrtens J, Williams T, Kazemi A, Song R, Lai V, Girijadevi D, Everitt R, Russell R, Hacking D, Buehner U, Williams E, Browne T, Grimwade K, Goodson J, Keet O, Callender O, Martynoga R, Trask K, Butler A, Schischka L, Young C, Lesona E, Olatunji S, Robertson Y, José N, Amaro dos Santos Catorze T, de Lima Pereira TNA, Neves Pessoa LM, Castro Ferreira RM, Pereira Sousa Bastos JM, Aysel Florescu S, Stanciu D, Zaharia MF, Kosa AG, Codreanu D, Marabi Y, Al Qasim E, Moneer Hagazy M, Al Swaidan L, Arishi H, Muñoz-Bermúdez R, Marin-Corral J, Salazar Degracia A, Parrilla Gómez F, Mateo López MI, Rodriguez Fernandez J, Cárcel Fernández S, Carmona Flores R, León López R, de la Fuente Martos C, Allan A, Polgarova P, Farahi N, McWilliam S, Hawcutt D, Rad L, O’Malley L, Whitbread J, Kelsall O, Wild L, Thrush J, Wood H, Austin K, Donnelly A, Kelly M, O’Kane S, McClintock D, Warnock M, Johnston P, Gallagher LJ, Mc Goldrick C, Mc Master M, Strzelecka A, Jha R, Kalogirou M, Ellis C, Krishnamurthy V, Deelchand V, Silversides J, McGuigan P, Ward K, O’Neill A, Finn S, Phillips B, Mullan D, Oritz-Ruiz de Gordoa L, Thomas M, Sweet K, Grimmer L, Johnson R, Pinnell J, Robinson M, Gledhill L, Wood T, Morgan M, Cole J, Hill H, Davies M, Antcliffe D, Templeton M, Rojo R, Coghlan P, Smee J, Mackay E, Cort J, Whileman A, Spencer T, Spittle N, Kasipandian V, Patel A, Allibone S, Genetu RM, Ramali M, Ghosh A, Bamford P, London E, Cawley K, Faulkner M, Jeffrey H, Smith T, Brewer C, Gregory J, Limb J, Cowton A, O’Brien J, Nikitas N, Wells C, Lankester L, Pulletz M, Williams P, Birch J, Wiseman S, Horton S, Alegria A, Turki S, Elsefi T, Crisp N, Allen L, McCullagh I, Robinson P, Hays C, Babio-Galan M, Stevenson H, Khare D, Pinder M, Selvamoni S, Gopinath A, Pugh R, Menzies D, Mackay C, Allan E, Davies G, Puxty K, McCue C, Cathcart S, Hickey N, Ireland J, Yusuff H, Isgro G, Brightling C, Bourne M, Craner M, Watters M, Prout R, Davies L, Pegler S, Kyeremeh L, Arbane G, Wilson K, Gomm L, Francia F, Brett S, Sousa Arias S, Elin Hall R, Budd J, Small C, Birch J, Collins E, Henning J, Bonner S, Hugill K, Cirstea E, Wilkinson D, Karlikowski M, Sutherland H, Wilhelmsen E, Woods J, North J, Sundaran D, Hollos L, Coburn S, Walsh J, Turns M, Hopkins P, Smith J, Noble H, Depante MT, Clarey E, Laha S, Verlander M, Williams A, Huckle A, Hall A, Cooke J, Gardiner-Hill C, Maloney C, Qureshi H, Flint N, Nicholson S, Southin S, Nicholson A, Borgatta B, Turner-Bone I, Reddy A, Wilding L, Chamara Warnapura L, Agno Sathianathan R, Golden D, Hart C, Jones J, Bannard-Smith J, Henry J, Birchall K, Pomeroy F, Quayle R, Makowski A, Misztal B, Ahmed I, KyereDiabour T, Naiker K, Stewart R, Mwaura E, Mew L, Wren L, Willams F, Innes R, Doble P, Hutter J, Shovelton C, Plumb B, Szakmany T, Hamlyn V, Hawkins N, Lewis S, Dell A, Gopal S, Ganguly S, Smallwood A, Harris N, Metherell S, Lazaro JM, Newman T, Fletcher S, Nortje J, Fottrell-Gould D, Randell G, Zaman M, Elmahi E, Jones A, Hall K, Mills G, Ryalls K, Bowler H, Sall J, Bourne R, Borrill Z, Duncan T, Lamb T, Shaw J, Fox C, Moreno Cuesta J, Xavier K, Purohit D, Elhassan M, Bakthavatsalam D, Rowland M, Hutton P, Bashyal A, Davidson N, Hird C, Chhablani M, Phalod G, Kirkby A, Archer S, Netherton K, Reschreiter H, Camsooksai J, Patch S, Jenkins S, Pogson D, Rose S, Daly Z, Brimfield L, Claridge H, Parekh D, Bergin C, Bates M, Dasgin J, McGhee C, Sim M, Hay SK, Henderson S, Phull MK, Zaidi A, Pogreban T, Rosaroso LP, Harvey D, Lowe B, Meredith M, Ryan L, Hormis A, Walker R, Collier D, Kimpton S, Oakley S, Rooney K, Rodden N, Hughes E, Thomson N, McGlynn D, Walden A, Jacques N, Coles H, Tilney E, Vowell E, Schuster-Bruce M, Pitts S, Miln R, Purandare L, Vamplew L, Spivey M, Bean S, Burt K, Moore L, Day C, Gibson C, Gordon E, Zitter L, Keenan S, Baker E, Cherian S, Cutler S, Roynon-Reed A, Harrington K, Raithatha A, Bauchmuller K, Ahmad N, Grecu I, Trodd D, Martin J, Wrey Brown C, Arias AM, Craven T, Hope D, Singleton J, Clark S, Rae N, Welters I, Hamilton DO, Williams K, Waugh V, Shaw D, Puthucheary Z, Martin T, Santos F, Uddin R, Somerville A, Tatham KC, Jhanji S, Black E, Dela Rosa A, Howle R, Tully R, Drummond A, Dearden J, Philbin J, Munt S, Vuylsteke A, Chan C, Victor S, Matsa R, Gellamucho M, Creagh-Brown B, Tooley J, Montague L, De Beaux F, Bullman L, Kersiake I, Demetriou C, Mitchard S, Ramos L, White K, Donnison P, Johns M, Casey R, Mattocks L, Salisbury S, Dark P, Claxton A, McLachlan D, Slevin K, Lee S, Hulme J, Joseph S, Kinney F, Senya HJ, Oborska A, Kayani A, Hadebe B, Orath Prabakaran R, Nichols L, Thomas M, Worner R, Faulkner B, Gendall E, Hayes K, Hamilton-Davies C, Chan C, Mfuko C, Abbass H, Mandadapu V, Leaver S, Forton D, Patel K, Paramasivam E, Powell M, Gould R, Wilby E, Howcroft C, Banach D, Fernández de Pinedo Artaraz Z, Cabreros L, White I, Croft M, Holland N, Pereira R, Zaki A, Johnson D, Jackson M, Garrard H, Juhaz V, Roy A, Rostron A, Woods L, Cornell S, Pillai S, Harford R, Rees T, Ivatt H, Sundara Raman A, Davey M, Lee K, Barber R, Chablani M, Brohi F, Jagannathan V, Clark M, Purvis S, Wetherill B, Dushianthan A, Cusack R, de Courcy-Golder K, Smith S, Jackson S, Attwood B, Parsons P, Page V, Zhao XB, Oza D, Rhodes J, Anderson T, Morris S, Xia Le Tai C, Thomas A, Keen A, Digby S, Cowley N, Wild L, Southern D, Reddy H, Campbell A, Watkins C, Smuts S, Touma O, Barnes N, Alexander P, Felton T, Ferguson S, Sellers K, Bradley-Potts J, Yates D, Birkinshaw I, Kell K, Marshall N, Carr-Knott L, Summers C. Effect of Hydrocortisone on Mortality and Organ Support in Patients With Severe COVID-19: The REMAP-CAP COVID-19 Corticosteroid Domain Randomized Clinical Trial. JAMA 2020. [PMID: 32876697 DOI: 10.1001/jama.2020.1702221] [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] [MESH Headings] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
IMPORTANCE Evidence regarding corticosteroid use for severe coronavirus disease 2019 (COVID-19) is limited. OBJECTIVE To determine whether hydrocortisone improves outcome for patients with severe COVID-19. DESIGN, SETTING, AND PARTICIPANTS An ongoing adaptive platform trial testing multiple interventions within multiple therapeutic domains, for example, antiviral agents, corticosteroids, or immunoglobulin. Between March 9 and June 17, 2020, 614 adult patients with suspected or confirmed COVID-19 were enrolled and randomized within at least 1 domain following admission to an intensive care unit (ICU) for respiratory or cardiovascular organ support at 121 sites in 8 countries. Of these, 403 were randomized to open-label interventions within the corticosteroid domain. The domain was halted after results from another trial were released. Follow-up ended August 12, 2020. INTERVENTIONS The corticosteroid domain randomized participants to a fixed 7-day course of intravenous hydrocortisone (50 mg or 100 mg every 6 hours) (n = 143), a shock-dependent course (50 mg every 6 hours when shock was clinically evident) (n = 152), or no hydrocortisone (n = 108). MAIN OUTCOMES AND MEASURES The primary end point was organ support-free days (days alive and free of ICU-based respiratory or cardiovascular support) within 21 days, where patients who died were assigned -1 day. The primary analysis was a bayesian cumulative logistic model that included all patients enrolled with severe COVID-19, adjusting for age, sex, site, region, time, assignment to interventions within other domains, and domain and intervention eligibility. Superiority was defined as the posterior probability of an odds ratio greater than 1 (threshold for trial conclusion of superiority >99%). RESULTS After excluding 19 participants who withdrew consent, there were 384 patients (mean age, 60 years; 29% female) randomized to the fixed-dose (n = 137), shock-dependent (n = 146), and no (n = 101) hydrocortisone groups; 379 (99%) completed the study and were included in the analysis. The mean age for the 3 groups ranged between 59.5 and 60.4 years; most patients were male (range, 70.6%-71.5%); mean body mass index ranged between 29.7 and 30.9; and patients receiving mechanical ventilation ranged between 50.0% and 63.5%. For the fixed-dose, shock-dependent, and no hydrocortisone groups, respectively, the median organ support-free days were 0 (IQR, -1 to 15), 0 (IQR, -1 to 13), and 0 (-1 to 11) days (composed of 30%, 26%, and 33% mortality rates and 11.5, 9.5, and 6 median organ support-free days among survivors). The median adjusted odds ratio and bayesian probability of superiority were 1.43 (95% credible interval, 0.91-2.27) and 93% for fixed-dose hydrocortisone, respectively, and were 1.22 (95% credible interval, 0.76-1.94) and 80% for shock-dependent hydrocortisone compared with no hydrocortisone. Serious adverse events were reported in 4 (3%), 5 (3%), and 1 (1%) patients in the fixed-dose, shock-dependent, and no hydrocortisone groups, respectively. CONCLUSIONS AND RELEVANCE Among patients with severe COVID-19, treatment with a 7-day fixed-dose course of hydrocortisone or shock-dependent dosing of hydrocortisone, compared with no hydrocortisone, resulted in 93% and 80% probabilities of superiority with regard to the odds of improvement in organ support-free days within 21 days. However, the trial was stopped early and no treatment strategy met prespecified criteria for statistical superiority, precluding definitive conclusions. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT02735707.
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Affiliation(s)
- Derek C Angus
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- The UPMC Health System Office of Healthcare Innovation, Pittsburgh, Pennsylvania
| | - Lennie Derde
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
- Intensive Care Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Farah Al-Beidh
- Division of Anaesthetics, Pain Medicine and Intensive Care Medicine, Department of Surgery and Cancer, Imperial College London and Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Djillali Annane
- Intensive Care Unit, Raymond Poincaré Hospital (AP-HP), Paris, France
- Simone Veil School of Medicine, University of Versailles, Versailles, France
- University Paris Saclay, Garches, France
| | - Yaseen Arabi
- Intensive Care Department, College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Abigail Beane
- Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom
| | - Wilma van Bentum-Puijk
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | | | - Zahra Bhimani
- Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada
| | - Marc Bonten
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Charlotte Bradbury
- Bristol Royal Informatory, Bristol, United Kingdom
- University of Bristol, Bristol, United Kingdom
| | - Frank Brunkhorst
- Center for Clinical Studies and Center for Sepsis Control and Care (CSCC), Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany
| | - Meredith Buxton
- Global Coalition for Adaptive Research, San Francisco, California
| | - Adrian Buzgau
- Helix, Monash University, Melbourne, Victoria, Australia
| | - Allen C Cheng
- Infection Prevention and Healthcare Epidemiology Unit, Alfred Health, Melbourne, Victoria, Australia
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Menno de Jong
- Department of Medical Microbiology, Amsterdam University Medical Center, University of Amsterdam, the Netherlands
| | | | - Lise Estcourt
- NHS Blood and Transplant, Bristol, United Kingdom
- Transfusion Medicine, Medical Sciences Division, University of Oxford, Oxford, United Kingdom
| | | | - Herman Goossens
- Department of Microbiology, Antwerp University Hospital, Antwerp, Belgium
| | - Cameron Green
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Rashan Haniffa
- Network for Improving Critical Care Systems and Training, Colombo, Sri Lanka
- Mahidol Oxford Tropical Medicine Research Unit, Bangkok, Thailand
| | - Alisa M Higgins
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Christopher Horvat
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- The UPMC Health System Office of Healthcare Innovation, Pittsburgh, Pennsylvania
| | - Sebastiaan J Hullegie
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Peter Kruger
- Intensive Care Unit, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | | | - Patrick R Lawler
- Cardiac Intensive Care Unit, Peter Munk Cardiac Centre, University Health Network, Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Kelsey Linstrum
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Edward Litton
- School of Medicine and Pharmacology, University of Western Australia, Crawley, Western Australia, Australia
| | | | - John Marshall
- Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, Ontario, Canada
| | - Daniel McAuley
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, United Kingdom
| | | | - Shay McGuinness
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Cardiothoracic and Vascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand
- The Health Research Council of New Zealand, Wellington, New Zealand
- Medical Research Institute of New Zealand, Wellington, New Zealand
| | - Bryan McVerry
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Stephanie Montgomery
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- The UPMC Health System Office of Healthcare Innovation, Pittsburgh, Pennsylvania
| | - Paul Mouncey
- Clinical Trials Unit, Intensive Care National Audit & Research Centre (ICNARC), London, United Kingdom
| | - Srinivas Murthy
- University of British Columbia School of Medicine, Vancouver, Canada
| | - Alistair Nichol
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Department of Anesthesia and Intensive Care, St Vincent's University Hospital, Dublin, Ireland
- School of Medicine and Medical Sciences, University College Dublin, Dublin, Ireland
- Department of Intensive Care, Alfred Health, Melbourne, Victoria, Australia
| | - Rachael Parke
- Cardiothoracic and Vascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand
- The Health Research Council of New Zealand, Wellington, New Zealand
- Medical Research Institute of New Zealand, Wellington, New Zealand
- School of Nursing, University of Auckland, Auckland, New Zealand
| | - Jane Parker
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Kathryn Rowan
- Clinical Trials Unit, Intensive Care National Audit & Research Centre (ICNARC), London, United Kingdom
| | | | - Marlene Santos
- Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada
| | | | - Christopher Seymour
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- The UPMC Health System Office of Healthcare Innovation, Pittsburgh, Pennsylvania
| | - Anne Turner
- Medical Research Institute of New Zealand, Wellington, New Zealand
| | - Frank van de Veerdonk
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Balasubramanian Venkatesh
- Southside Clinical Unit, Princess Alexandra Hospital, Brisbane, Queensland, Australia
- The George Institute for Global Health, Sydney, Australia
| | - Ryan Zarychanski
- Department of Medicine, Critical Care and Hematology/Medical Oncology, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | - Roger J Lewis
- Berry Consultants LLC, Austin, Texas
- Department of Emergency Medicine, Harbor-UCLA Medical Center, Torrance, California
- Department of Emergency Medicine, David Geffen School of Medicine at University of California, Los Angeles
| | - Colin McArthur
- Medical Research Institute of New Zealand, Wellington, New Zealand
- Department of Critical Care Medicine, Auckland City Hospital, Auckland, New Zealand
| | - Steven A Webb
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- School of Medicine and Pharmacology, University of Western Australia, Crawley, Western Australia, Australia
- St John of God Hospital, Subiaco, Western Australia, Australia
| | - Anthony C Gordon
- Division of Anaesthetics, Pain Medicine and Intensive Care Medicine, Department of Surgery and Cancer, Imperial College London and Imperial College Healthcare NHS Trust, London, United Kingdom
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Angus DC, Derde L, Al-Beidh F, Annane D, Arabi Y, Beane A, van Bentum-Puijk W, Berry L, Bhimani Z, Bonten M, Bradbury C, Brunkhorst F, Buxton M, Buzgau A, Cheng AC, de Jong M, Detry M, Estcourt L, Fitzgerald M, Goossens H, Green C, Haniffa R, Higgins AM, Horvat C, Hullegie SJ, Kruger P, Lamontagne F, Lawler PR, Linstrum K, Litton E, Lorenzi E, Marshall J, McAuley D, McGlothin A, McGuinness S, McVerry B, Montgomery S, Mouncey P, Murthy S, Nichol A, Parke R, Parker J, Rowan K, Sanil A, Santos M, Saunders C, Seymour C, Turner A, van de Veerdonk F, Venkatesh B, Zarychanski R, Berry S, Lewis RJ, McArthur C, Webb SA, Gordon AC, Al-Beidh F, Angus D, Annane D, Arabi Y, van Bentum-Puijk W, Berry S, Beane A, Bhimani Z, Bonten M, Bradbury C, Brunkhorst F, Buxton M, Cheng A, De Jong M, Derde L, Estcourt L, Goossens H, Gordon A, Green C, Haniffa R, Lamontagne F, Lawler P, Litton E, Marshall J, McArthur C, McAuley D, McGuinness S, McVerry B, Montgomery S, Mouncey P, Murthy S, Nichol A, Parke R, Rowan K, Seymour C, Turner A, van de Veerdonk F, Webb S, Zarychanski R, Campbell L, Forbes A, Gattas D, Heritier S, Higgins L, Kruger P, Peake S, Presneill J, Seppelt I, Trapani T, Young P, Bagshaw S, Daneman N, Ferguson N, Misak C, Santos M, Hullegie S, Pletz M, Rohde G, Rowan K, Alexander B, Basile K, Girard T, Horvat C, Huang D, Linstrum K, Vates J, Beasley R, Fowler R, McGloughlin S, Morpeth S, Paterson D, Venkatesh B, Uyeki T, Baillie K, Duffy E, Fowler R, Hills T, Orr K, Patanwala A, Tong S, Netea M, Bihari S, Carrier M, Fergusson D, Goligher E, Haidar G, Hunt B, Kumar A, Laffan M, Lawless P, Lother S, McCallum P, Middeldopr S, McQuilten Z, Neal M, Pasi J, Schutgens R, Stanworth S, Turgeon A, Weissman A, Adhikari N, Anstey M, Brant E, de Man A, Lamonagne F, Masse MH, Udy A, Arnold D, Begin P, Charlewood R, Chasse M, Coyne M, Cooper J, Daly J, Gosbell I, Harvala-Simmonds H, Hills T, MacLennan S, Menon D, McDyer J, Pridee N, Roberts D, Shankar-Hari M, Thomas H, Tinmouth A, Triulzi D, Walsh T, Wood E, Calfee C, O’Kane C, Shyamsundar M, Sinha P, Thompson T, Young I, Bihari S, Hodgson C, Laffey J, McAuley D, Orford N, Neto A, Detry M, Fitzgerald M, Lewis R, McGlothlin A, Sanil A, Saunders C, Berry L, Lorenzi E, Miller E, Singh V, Zammit C, van Bentum Puijk W, Bouwman W, Mangindaan Y, Parker L, Peters S, Rietveld I, Raymakers K, Ganpat R, Brillinger N, Markgraf R, Ainscough K, Brickell K, Anjum A, Lane JB, Richards-Belle A, Saull M, Wiley D, Bion J, Connor J, Gates S, Manax V, van der Poll T, Reynolds J, van Beurden M, Effelaar E, Schotsman J, Boyd C, Harland C, Shearer A, Wren J, Clermont G, Garrard W, Kalchthaler K, King A, Ricketts D, Malakoutis S, Marroquin O, Music E, Quinn K, Cate H, Pearson K, Collins J, Hanson J, Williams P, Jackson S, Asghar A, Dyas S, Sutu M, Murphy S, Williamson D, Mguni N, Potter A, Porter D, Goodwin J, Rook C, Harrison S, Williams H, Campbell H, Lomme K, Williamson J, Sheffield J, van’t Hoff W, McCracken P, Young M, Board J, Mart E, Knott C, Smith J, Boschert C, Affleck J, Ramanan M, D’Souza R, Pateman K, Shakih A, Cheung W, Kol M, Wong H, Shah A, Wagh A, Simpson J, Duke G, Chan P, Cartner B, Hunter S, Laver R, Shrestha T, Regli A, Pellicano A, McCullough J, Tallott M, Kumar N, Panwar R, Brinkerhoff G, Koppen C, Cazzola F, Brain M, Mineall S, Fischer R, Biradar V, Soar N, White H, Estensen K, Morrison L, Smith J, Cooper M, Health M, Shehabi Y, Al-Bassam W, Hulley A, Whitehead C, Lowrey J, Gresha R, Walsham J, Meyer J, Harward M, Venz E, Williams P, Kurenda C, Smith K, Smith M, Garcia R, Barge D, Byrne D, Byrne K, Driscoll A, Fortune L, Janin P, Yarad E, Hammond N, Bass F, Ashelford A, Waterson S, Wedd S, McNamara R, Buhr H, Coles J, Schweikert S, Wibrow B, Rauniyar R, Myers E, Fysh E, Dawda A, Mevavala B, Litton E, Ferrier J, Nair P, Buscher H, Reynolds C, Santamaria J, Barbazza L, Homes J, Smith R, Murray L, Brailsford J, Forbes L, Maguire T, Mariappa V, Smith J, Simpson S, Maiden M, Bone A, Horton M, Salerno T, Sterba M, Geng W, Depuydt P, De Waele J, De Bus L, Fierens J, Bracke S, Reeve B, Dechert W, Chassé M, Carrier FM, Boumahni D, Benettaib F, Ghamraoui A, Bellemare D, Cloutier È, Francoeur C, Lamontagne F, D’Aragon F, Carbonneau E, Leblond J, Vazquez-Grande G, Marten N, Wilson M, Albert M, Serri K, Cavayas A, Duplaix M, Williams V, Rochwerg B, Karachi T, Oczkowski S, Centofanti J, Millen T, Duan E, Tsang J, Patterson L, English S, Watpool I, Porteous R, Miezitis S, McIntyre L, Brochard L, Burns K, Sandhu G, Khalid I, Binnie A, Powell E, McMillan A, Luk T, Aref N, Andric Z, Cviljevic S, Đimoti R, Zapalac M, Mirković G, Baršić B, Kutleša M, Kotarski V, Vujaklija Brajković A, Babel J, Sever H, Dragija L, Kušan I, Vaara S, Pettilä L, Heinonen J, Kuitunen A, Karlsson S, Vahtera A, Kiiski H, Ristimäki S, Azaiz A, Charron C, Godement M, Geri G, Vieillard-Baron A, Pourcine F, Monchi M, Luis D, Mercier R, Sagnier A, Verrier N, Caplin C, Siami S, Aparicio C, Vautier S, Jeblaoui A, Fartoukh M, Courtin L, Labbe V, Leparco C, Muller G, Nay MA, Kamel T, Benzekri D, Jacquier S, Mercier E, Chartier D, Salmon C, Dequin P, Schneider F, Morel G, L’Hotellier S, Badie J, Berdaguer FD, Malfroy S, Mezher C, Bourgoin C, Megarbane B, Voicu S, Deye N, Malissin I, Sutterlin L, Guitton C, Darreau C, Landais M, Chudeau N, Robert A, Moine P, Heming N, Maxime V, Bossard I, Nicholier TB, Colin G, Zinzoni V, Maquigneau N, Finn A, Kreß G, Hoff U, Friedrich Hinrichs C, Nee J, Pletz M, Hagel S, Ankert J, Kolanos S, Bloos F, Petros S, Pasieka B, Kunz K, Appelt P, Schütze B, Kluge S, Nierhaus A, Jarczak D, Roedl K, Weismann D, Frey A, Klinikum Neukölln V, Reill L, Distler M, Maselli A, Bélteczki J, Magyar I, Fazekas Á, Kovács S, Szőke V, Szigligeti G, Leszkoven J, Collins D, Breen P, Frohlich S, Whelan R, McNicholas B, Scully M, Casey S, Kernan M, Doran P, O’Dywer M, Smyth M, Hayes L, Hoiting O, Peters M, Rengers E, Evers M, Prinssen A, Bosch Ziekenhuis J, Simons K, Rozendaal W, Polderman F, de Jager P, Moviat M, Paling A, Salet A, Rademaker E, Peters AL, de Jonge E, Wigbers J, Guilder E, Butler M, Cowdrey KA, Newby L, Chen Y, Simmonds C, McConnochie R, Ritzema Carter J, Henderson S, Van Der Heyden K, Mehrtens J, Williams T, Kazemi A, Song R, Lai V, Girijadevi D, Everitt R, Russell R, Hacking D, Buehner U, Williams E, Browne T, Grimwade K, Goodson J, Keet O, Callender O, Martynoga R, Trask K, Butler A, Schischka L, Young C, Lesona E, Olatunji S, Robertson Y, José N, Amaro dos Santos Catorze T, de Lima Pereira TNA, Neves Pessoa LM, Castro Ferreira RM, Pereira Sousa Bastos JM, Aysel Florescu S, Stanciu D, Zaharia MF, Kosa AG, Codreanu D, Marabi Y, Al Qasim E, Moneer Hagazy M, Al Swaidan L, Arishi H, Muñoz-Bermúdez R, Marin-Corral J, Salazar Degracia A, Parrilla Gómez F, Mateo López MI, Rodriguez Fernandez J, Cárcel Fernández S, Carmona Flores R, León López R, de la Fuente Martos C, Allan A, Polgarova P, Farahi N, McWilliam S, Hawcutt D, Rad L, O’Malley L, Whitbread J, Kelsall O, Wild L, Thrush J, Wood H, Austin K, Donnelly A, Kelly M, O’Kane S, McClintock D, Warnock M, Johnston P, Gallagher LJ, Mc Goldrick C, Mc Master M, Strzelecka A, Jha R, Kalogirou M, Ellis C, Krishnamurthy V, Deelchand V, Silversides J, McGuigan P, Ward K, O’Neill A, Finn S, Phillips B, Mullan D, Oritz-Ruiz de Gordoa L, Thomas M, Sweet K, Grimmer L, Johnson R, Pinnell J, Robinson M, Gledhill L, Wood T, Morgan M, Cole J, Hill H, Davies M, Antcliffe D, Templeton M, Rojo R, Coghlan P, Smee J, Mackay E, Cort J, Whileman A, Spencer T, Spittle N, Kasipandian V, Patel A, Allibone S, Genetu RM, Ramali M, Ghosh A, Bamford P, London E, Cawley K, Faulkner M, Jeffrey H, Smith T, Brewer C, Gregory J, Limb J, Cowton A, O’Brien J, Nikitas N, Wells C, Lankester L, Pulletz M, Williams P, Birch J, Wiseman S, Horton S, Alegria A, Turki S, Elsefi T, Crisp N, Allen L, McCullagh I, Robinson P, Hays C, Babio-Galan M, Stevenson H, Khare D, Pinder M, Selvamoni S, Gopinath A, Pugh R, Menzies D, Mackay C, Allan E, Davies G, Puxty K, McCue C, Cathcart S, Hickey N, Ireland J, Yusuff H, Isgro G, Brightling C, Bourne M, Craner M, Watters M, Prout R, Davies L, Pegler S, Kyeremeh L, Arbane G, Wilson K, Gomm L, Francia F, Brett S, Sousa Arias S, Elin Hall R, Budd J, Small C, Birch J, Collins E, Henning J, Bonner S, Hugill K, Cirstea E, Wilkinson D, Karlikowski M, Sutherland H, Wilhelmsen E, Woods J, North J, Sundaran D, Hollos L, Coburn S, Walsh J, Turns M, Hopkins P, Smith J, Noble H, Depante MT, Clarey E, Laha S, Verlander M, Williams A, Huckle A, Hall A, Cooke J, Gardiner-Hill C, Maloney C, Qureshi H, Flint N, Nicholson S, Southin S, Nicholson A, Borgatta B, Turner-Bone I, Reddy A, Wilding L, Chamara Warnapura L, Agno Sathianathan R, Golden D, Hart C, Jones J, Bannard-Smith J, Henry J, Birchall K, Pomeroy F, Quayle R, Makowski A, Misztal B, Ahmed I, KyereDiabour T, Naiker K, Stewart R, Mwaura E, Mew L, Wren L, Willams F, Innes R, Doble P, Hutter J, Shovelton C, Plumb B, Szakmany T, Hamlyn V, Hawkins N, Lewis S, Dell A, Gopal S, Ganguly S, Smallwood A, Harris N, Metherell S, Lazaro JM, Newman T, Fletcher S, Nortje J, Fottrell-Gould D, Randell G, Zaman M, Elmahi E, Jones A, Hall K, Mills G, Ryalls K, Bowler H, Sall J, Bourne R, Borrill Z, Duncan T, Lamb T, Shaw J, Fox C, Moreno Cuesta J, Xavier K, Purohit D, Elhassan M, Bakthavatsalam D, Rowland M, Hutton P, Bashyal A, Davidson N, Hird C, Chhablani M, Phalod G, Kirkby A, Archer S, Netherton K, Reschreiter H, Camsooksai J, Patch S, Jenkins S, Pogson D, Rose S, Daly Z, Brimfield L, Claridge H, Parekh D, Bergin C, Bates M, Dasgin J, McGhee C, Sim M, Hay SK, Henderson S, Phull MK, Zaidi A, Pogreban T, Rosaroso LP, Harvey D, Lowe B, Meredith M, Ryan L, Hormis A, Walker R, Collier D, Kimpton S, Oakley S, Rooney K, Rodden N, Hughes E, Thomson N, McGlynn D, Walden A, Jacques N, Coles H, Tilney E, Vowell E, Schuster-Bruce M, Pitts S, Miln R, Purandare L, Vamplew L, Spivey M, Bean S, Burt K, Moore L, Day C, Gibson C, Gordon E, Zitter L, Keenan S, Baker E, Cherian S, Cutler S, Roynon-Reed A, Harrington K, Raithatha A, Bauchmuller K, Ahmad N, Grecu I, Trodd D, Martin J, Wrey Brown C, Arias AM, Craven T, Hope D, Singleton J, Clark S, Rae N, Welters I, Hamilton DO, Williams K, Waugh V, Shaw D, Puthucheary Z, Martin T, Santos F, Uddin R, Somerville A, Tatham KC, Jhanji S, Black E, Dela Rosa A, Howle R, Tully R, Drummond A, Dearden J, Philbin J, Munt S, Vuylsteke A, Chan C, Victor S, Matsa R, Gellamucho M, Creagh-Brown B, Tooley J, Montague L, De Beaux F, Bullman L, Kersiake I, Demetriou C, Mitchard S, Ramos L, White K, Donnison P, Johns M, Casey R, Mattocks L, Salisbury S, Dark P, Claxton A, McLachlan D, Slevin K, Lee S, Hulme J, Joseph S, Kinney F, Senya HJ, Oborska A, Kayani A, Hadebe B, Orath Prabakaran R, Nichols L, Thomas M, Worner R, Faulkner B, Gendall E, Hayes K, Hamilton-Davies C, Chan C, Mfuko C, Abbass H, Mandadapu V, Leaver S, Forton D, Patel K, Paramasivam E, Powell M, Gould R, Wilby E, Howcroft C, Banach D, Fernández de Pinedo Artaraz Z, Cabreros L, White I, Croft M, Holland N, Pereira R, Zaki A, Johnson D, Jackson M, Garrard H, Juhaz V, Roy A, Rostron A, Woods L, Cornell S, Pillai S, Harford R, Rees T, Ivatt H, Sundara Raman A, Davey M, Lee K, Barber R, Chablani M, Brohi F, Jagannathan V, Clark M, Purvis S, Wetherill B, Dushianthan A, Cusack R, de Courcy-Golder K, Smith S, Jackson S, Attwood B, Parsons P, Page V, Zhao XB, Oza D, Rhodes J, Anderson T, Morris S, Xia Le Tai C, Thomas A, Keen A, Digby S, Cowley N, Wild L, Southern D, Reddy H, Campbell A, Watkins C, Smuts S, Touma O, Barnes N, Alexander P, Felton T, Ferguson S, Sellers K, Bradley-Potts J, Yates D, Birkinshaw I, Kell K, Marshall N, Carr-Knott L, Summers C. Effect of Hydrocortisone on Mortality and Organ Support in Patients With Severe COVID-19: The REMAP-CAP COVID-19 Corticosteroid Domain Randomized Clinical Trial. JAMA 2020; 324:1317-1329. [PMID: 32876697 PMCID: PMC7489418 DOI: 10.1001/jama.2020.17022] [Citation(s) in RCA: 542] [Impact Index Per Article: 135.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
IMPORTANCE Evidence regarding corticosteroid use for severe coronavirus disease 2019 (COVID-19) is limited. OBJECTIVE To determine whether hydrocortisone improves outcome for patients with severe COVID-19. DESIGN, SETTING, AND PARTICIPANTS An ongoing adaptive platform trial testing multiple interventions within multiple therapeutic domains, for example, antiviral agents, corticosteroids, or immunoglobulin. Between March 9 and June 17, 2020, 614 adult patients with suspected or confirmed COVID-19 were enrolled and randomized within at least 1 domain following admission to an intensive care unit (ICU) for respiratory or cardiovascular organ support at 121 sites in 8 countries. Of these, 403 were randomized to open-label interventions within the corticosteroid domain. The domain was halted after results from another trial were released. Follow-up ended August 12, 2020. INTERVENTIONS The corticosteroid domain randomized participants to a fixed 7-day course of intravenous hydrocortisone (50 mg or 100 mg every 6 hours) (n = 143), a shock-dependent course (50 mg every 6 hours when shock was clinically evident) (n = 152), or no hydrocortisone (n = 108). MAIN OUTCOMES AND MEASURES The primary end point was organ support-free days (days alive and free of ICU-based respiratory or cardiovascular support) within 21 days, where patients who died were assigned -1 day. The primary analysis was a bayesian cumulative logistic model that included all patients enrolled with severe COVID-19, adjusting for age, sex, site, region, time, assignment to interventions within other domains, and domain and intervention eligibility. Superiority was defined as the posterior probability of an odds ratio greater than 1 (threshold for trial conclusion of superiority >99%). RESULTS After excluding 19 participants who withdrew consent, there were 384 patients (mean age, 60 years; 29% female) randomized to the fixed-dose (n = 137), shock-dependent (n = 146), and no (n = 101) hydrocortisone groups; 379 (99%) completed the study and were included in the analysis. The mean age for the 3 groups ranged between 59.5 and 60.4 years; most patients were male (range, 70.6%-71.5%); mean body mass index ranged between 29.7 and 30.9; and patients receiving mechanical ventilation ranged between 50.0% and 63.5%. For the fixed-dose, shock-dependent, and no hydrocortisone groups, respectively, the median organ support-free days were 0 (IQR, -1 to 15), 0 (IQR, -1 to 13), and 0 (-1 to 11) days (composed of 30%, 26%, and 33% mortality rates and 11.5, 9.5, and 6 median organ support-free days among survivors). The median adjusted odds ratio and bayesian probability of superiority were 1.43 (95% credible interval, 0.91-2.27) and 93% for fixed-dose hydrocortisone, respectively, and were 1.22 (95% credible interval, 0.76-1.94) and 80% for shock-dependent hydrocortisone compared with no hydrocortisone. Serious adverse events were reported in 4 (3%), 5 (3%), and 1 (1%) patients in the fixed-dose, shock-dependent, and no hydrocortisone groups, respectively. CONCLUSIONS AND RELEVANCE Among patients with severe COVID-19, treatment with a 7-day fixed-dose course of hydrocortisone or shock-dependent dosing of hydrocortisone, compared with no hydrocortisone, resulted in 93% and 80% probabilities of superiority with regard to the odds of improvement in organ support-free days within 21 days. However, the trial was stopped early and no treatment strategy met prespecified criteria for statistical superiority, precluding definitive conclusions. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT02735707.
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Affiliation(s)
- Derek C Angus
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- The UPMC Health System Office of Healthcare Innovation, Pittsburgh, Pennsylvania
| | - Lennie Derde
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
- Intensive Care Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Farah Al-Beidh
- Division of Anaesthetics, Pain Medicine and Intensive Care Medicine, Department of Surgery and Cancer, Imperial College London and Imperial College Healthcare NHS Trust, London, United Kingdom
| | - Djillali Annane
- Intensive Care Unit, Raymond Poincaré Hospital (AP-HP), Paris, France
- Simone Veil School of Medicine, University of Versailles, Versailles, France
- University Paris Saclay, Garches, France
| | - Yaseen Arabi
- Intensive Care Department, College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Abigail Beane
- Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom
| | - Wilma van Bentum-Puijk
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | | | - Zahra Bhimani
- Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada
| | - Marc Bonten
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Charlotte Bradbury
- Bristol Royal Informatory, Bristol, United Kingdom
- University of Bristol, Bristol, United Kingdom
| | - Frank Brunkhorst
- Center for Clinical Studies and Center for Sepsis Control and Care (CSCC), Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany
| | - Meredith Buxton
- Global Coalition for Adaptive Research, San Francisco, California
| | - Adrian Buzgau
- Helix, Monash University, Melbourne, Victoria, Australia
| | - Allen C Cheng
- Infection Prevention and Healthcare Epidemiology Unit, Alfred Health, Melbourne, Victoria, Australia
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Menno de Jong
- Department of Medical Microbiology, Amsterdam University Medical Center, University of Amsterdam, the Netherlands
| | | | - Lise Estcourt
- NHS Blood and Transplant, Bristol, United Kingdom
- Transfusion Medicine, Medical Sciences Division, University of Oxford, Oxford, United Kingdom
| | | | - Herman Goossens
- Department of Microbiology, Antwerp University Hospital, Antwerp, Belgium
| | - Cameron Green
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Rashan Haniffa
- Network for Improving Critical Care Systems and Training, Colombo, Sri Lanka
- Mahidol Oxford Tropical Medicine Research Unit, Bangkok, Thailand
| | - Alisa M Higgins
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Christopher Horvat
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- The UPMC Health System Office of Healthcare Innovation, Pittsburgh, Pennsylvania
| | - Sebastiaan J Hullegie
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Peter Kruger
- Intensive Care Unit, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | | | - Patrick R Lawler
- Cardiac Intensive Care Unit, Peter Munk Cardiac Centre, University Health Network, Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Kelsey Linstrum
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Edward Litton
- School of Medicine and Pharmacology, University of Western Australia, Crawley, Western Australia, Australia
| | | | - John Marshall
- Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada
- Interdepartmental Division of Critical Care, University of Toronto, Toronto, Ontario, Canada
| | - Daniel McAuley
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, United Kingdom
| | | | - Shay McGuinness
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Cardiothoracic and Vascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand
- The Health Research Council of New Zealand, Wellington, New Zealand
- Medical Research Institute of New Zealand, Wellington, New Zealand
| | - Bryan McVerry
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Stephanie Montgomery
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- The UPMC Health System Office of Healthcare Innovation, Pittsburgh, Pennsylvania
| | - Paul Mouncey
- Clinical Trials Unit, Intensive Care National Audit & Research Centre (ICNARC), London, United Kingdom
| | - Srinivas Murthy
- University of British Columbia School of Medicine, Vancouver, Canada
| | - Alistair Nichol
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Department of Anesthesia and Intensive Care, St Vincent's University Hospital, Dublin, Ireland
- School of Medicine and Medical Sciences, University College Dublin, Dublin, Ireland
- Department of Intensive Care, Alfred Health, Melbourne, Victoria, Australia
| | - Rachael Parke
- Cardiothoracic and Vascular Intensive Care Unit, Auckland City Hospital, Auckland, New Zealand
- The Health Research Council of New Zealand, Wellington, New Zealand
- Medical Research Institute of New Zealand, Wellington, New Zealand
- School of Nursing, University of Auckland, Auckland, New Zealand
| | - Jane Parker
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Kathryn Rowan
- Clinical Trials Unit, Intensive Care National Audit & Research Centre (ICNARC), London, United Kingdom
| | | | - Marlene Santos
- Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada
| | | | - Christopher Seymour
- The Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- The UPMC Health System Office of Healthcare Innovation, Pittsburgh, Pennsylvania
| | - Anne Turner
- Medical Research Institute of New Zealand, Wellington, New Zealand
| | - Frank van de Veerdonk
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Balasubramanian Venkatesh
- Southside Clinical Unit, Princess Alexandra Hospital, Brisbane, Queensland, Australia
- The George Institute for Global Health, Sydney, Australia
| | - Ryan Zarychanski
- Department of Medicine, Critical Care and Hematology/Medical Oncology, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | - Roger J Lewis
- Berry Consultants LLC, Austin, Texas
- Department of Emergency Medicine, Harbor-UCLA Medical Center, Torrance, California
- Department of Emergency Medicine, David Geffen School of Medicine at University of California, Los Angeles
| | - Colin McArthur
- Medical Research Institute of New Zealand, Wellington, New Zealand
- Department of Critical Care Medicine, Auckland City Hospital, Auckland, New Zealand
| | - Steven A Webb
- Australian and New Zealand Intensive Care Research Centre, School of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- School of Medicine and Pharmacology, University of Western Australia, Crawley, Western Australia, Australia
- St John of God Hospital, Subiaco, Western Australia, Australia
| | - Anthony C Gordon
- Division of Anaesthetics, Pain Medicine and Intensive Care Medicine, Department of Surgery and Cancer, Imperial College London and Imperial College Healthcare NHS Trust, London, United Kingdom
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Mancebo J, Goligher E, Brochard L. Spontaneous Breathing Trials and Successful Extubation. JAMA 2019; 322:1716-1717. [PMID: 31688879 DOI: 10.1001/jama.2019.14226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Jordi Mancebo
- Intensive Care Medicine, Hospital de Sant Pau, Barcelona, Spain
| | - Ewan Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Laurent Brochard
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
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16
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Sferrazza Papa GF, Pellegrino GM, Di Marco F, Imeri G, Brochard L, Goligher E, Centanni S. A Review of the Ultrasound Assessment of Diaphragmatic Function in Clinical Practice. Respiration 2016; 91:403-11. [DOI: 10.1159/000446518] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Accepted: 04/29/2016] [Indexed: 11/19/2022] Open
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Kobylianskii J, Murray A, Brace D, Goligher E, Fan E. Electrical impedance tomography in adult patients undergoing mechanical ventilation: A systematic review. J Crit Care 2016; 35:33-50. [PMID: 27481734 DOI: 10.1016/j.jcrc.2016.04.028] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [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: 02/15/2016] [Revised: 04/25/2016] [Accepted: 04/27/2016] [Indexed: 01/20/2023]
Abstract
PURPOSE The purpose of the study is to systematically review and summarize current literature concerning the validation and application of electrical impedance tomography (EIT) in mechanically ventilated adult patients. MATERIALS AND METHODS An electronic search of MEDLINE, EMBASE, CINAHL, Cochrane Central Register of Controlled Trials, and the Web of Science was performed up to June 2014. Studies investigating the use of EIT in an adult human patient population treated with mechanical ventilation (MV) were included. Data extracted included study objectives, EIT details, interventions, MV protocol, validation and comparators, population characteristics, and key findings. RESULTS Of the 67 included studies, 35 had the primary objective of validating EIT measures including regional ventilation distribution, lung volume, regional respiratory mechanics, and nonventilatory parameters. Thirty-two studies had the primary objective of applying EIT to monitor the response to therapeutic MV interventions including change in ventilation mode, patient repositioning, endotracheal suctioning, recruitment maneuvers, and change in positive end-expiratory pressure. CONCLUSIONS In adult patients, EIT has been successfully validated for assessing ventilation distribution, measuring changes in lung volume, studying regional respiratory mechanics, and investigating nonventilatory parameters. Electrical impedance tomography has also been demonstrated to be useful in monitoring regional respiratory system changes during MV interventions, although existing literature lacks clinical outcome evidence.
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Affiliation(s)
- Jane Kobylianskii
- School of Medicine, Queen's University, Kingston, Canada; Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada
| | - Alistair Murray
- Schulich School of Medicine & Dentistry, Western University, London, Canada; Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada
| | - Debbie Brace
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada
| | - Ewan Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada
| | - Eddy Fan
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada.
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Del Sorbo L, Goffi A, Goligher E, Fan E, Slutsky AS. Setting mechanical ventilation in ARDS patients during VV-ECMO: where are we? Minerva Anestesiol 2015; 81:1369-1376. [PMID: 25300627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Currently, many centers use venovenous extracorporeal membrane oxygenation (VV-ECMO) as an adjunctive means of gas exchange to mechanical ventilation (MV) in patients with severe ARDS and refractory hypoxemia. One of the most interesting and controversial issues in the management of these patients is how to set the ventilatory strategy. The support provided by VV-ECMO makes the balance between risks and benefits of MV remarkably different from the conventional setting, since the need for MV to facilitate oxygenation and carbon dioxide clearance is greatly reduced or abolished during VV-ECMO. Therefore, the risks of causing ventilator-induced lung injury are of foremost importance; however, the issue of the optimum ventilatory strategy during VV-ECMO has not received sufficient consideration. This paper will describe the diverse MV strategies applied during VV-ECMO in clinical practice and will highlight specific pathophysiological considerations that are crucial in the process of defining optimal ventilation settings in patients with ARDS supported with VV-ECMO.
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Affiliation(s)
- L Del Sorbo
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada -
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19
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Brace D, Parrotto M, Urrea C, Goffi A, Murray A, Fan E, Brochard L, Ferguson N, Goligher E. Respiratory muscle training during mechanical ventilation: a systematic review. Crit Care 2015. [PMCID: PMC4471339 DOI: 10.1186/cc14311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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20
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Brochard L, Chen L, Goligher E. Optimum positive end-expiratory pressure 40 years later. Indian J Crit Care Med 2014; 18:494-6. [PMID: 25136186 PMCID: PMC4134621 DOI: 10.4103/0972-5229.138143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- Laurent Brochard
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada ; Keenan Research Institute, and Department of Critical Care Medicine, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Lu Chen
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada ; Keenan Research Institute, and Department of Critical Care Medicine, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Ewan Goligher
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada ; Division of Respirology, University Health Network and Mount Sinai Hospital, Toronto, Ontario, Canada
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