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      Therapeutic Anticoagulation with Heparin in Noncritically Ill Patients with Covid-19

      research-article
      The ATTACC Investigators, The ACTIV-4a Investigators, The REMAP-CAP Investigators *
      The New England Journal of Medicine
      Massachusetts Medical Society
      Keyword part (code): 12Keyword part (keyword): Pulmonary/Critical CareKeyword part (code): 12_5Keyword part (keyword): Anticoagulation/Thromboembolism , 12, Pulmonary/Critical Care, Keyword part (code): 12_5Keyword part (keyword): Anticoagulation/Thromboembolism, 12_5, Anticoagulation/Thromboembolism, Keyword part (code): 14Keyword part (keyword): CardiologyKeyword part (code): 14_5Keyword part (keyword): Anticoagulation/Thromboembolism , 14, Cardiology, Keyword part (code): 14_5Keyword part (keyword): Anticoagulation/Thromboembolism, 14_5, Anticoagulation/Thromboembolism, Keyword part (code): 18Keyword part (keyword): Infectious DiseaseKeyword part (code): 18_12Keyword part (keyword): Coronavirus , 18, Infectious Disease, Keyword part (code): 18_12Keyword part (keyword): Coronavirus, 18_12, Coronavirus
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          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          Background

          Thrombosis and inflammation may contribute to the risk of death and complications among patients with coronavirus disease 2019 (Covid-19). We hypothesized that therapeutic-dose anticoagulation may improve outcomes in noncritically ill patients who are hospitalized with Covid-19.

          Methods

          In this open-label, adaptive, multiplatform, controlled trial, we randomly assigned patients who were hospitalized with Covid-19 and who were not critically ill (which was defined as an absence of critical care–level organ support at enrollment) to receive pragmatically defined regimens of either therapeutic-dose anticoagulation with heparin or usual-care pharmacologic thromboprophylaxis. The primary outcome was organ support–free days, evaluated on an ordinal scale that combined in-hospital death (assigned a value of −1) and the number of days free of cardiovascular or respiratory organ support up to day 21 among patients who survived to hospital discharge. This outcome was evaluated with the use of a Bayesian statistical model for all patients and according to the baseline d-dimer level.

          Results

          The trial was stopped when prespecified criteria for the superiority of therapeutic-dose anticoagulation were met. Among 2219 patients in the final analysis, the probability that therapeutic-dose anticoagulation increased organ support–free days as compared with usual-care thromboprophylaxis was 98.6% (adjusted odds ratio, 1.27; 95% credible interval, 1.03 to 1.58). The adjusted absolute between-group difference in survival until hospital discharge without organ support favoring therapeutic-dose anticoagulation was 4.0 percentage points (95% credible interval, 0.5 to 7.2). The final probability of the superiority of therapeutic-dose anticoagulation over usual-care thromboprophylaxis was 97.3% in the high d-dimer cohort, 92.9% in the low d-dimer cohort, and 97.3% in the unknown d-dimer cohort. Major bleeding occurred in 1.9% of the patients receiving therapeutic-dose anticoagulation and in 0.9% of those receiving thromboprophylaxis.

          Conclusions

          In noncritically ill patients with Covid-19, an initial strategy of therapeutic-dose anticoagulation with heparin increased the probability of survival to hospital discharge with reduced use of cardiovascular or respiratory organ support as compared with usual-care thromboprophylaxis. (ATTACC, ACTIV-4a, and REMAP-CAP ClinicalTrials.gov numbers, NCT04372589, NCT04505774, NCT04359277, and NCT02735707.)

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          Most cited references32

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          Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study

          Summary Background Since December, 2019, Wuhan, China, has experienced an outbreak of coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Epidemiological and clinical characteristics of patients with COVID-19 have been reported but risk factors for mortality and a detailed clinical course of illness, including viral shedding, have not been well described. Methods In this retrospective, multicentre cohort study, we included all adult inpatients (≥18 years old) with laboratory-confirmed COVID-19 from Jinyintan Hospital and Wuhan Pulmonary Hospital (Wuhan, China) who had been discharged or had died by Jan 31, 2020. Demographic, clinical, treatment, and laboratory data, including serial samples for viral RNA detection, were extracted from electronic medical records and compared between survivors and non-survivors. We used univariable and multivariable logistic regression methods to explore the risk factors associated with in-hospital death. Findings 191 patients (135 from Jinyintan Hospital and 56 from Wuhan Pulmonary Hospital) were included in this study, of whom 137 were discharged and 54 died in hospital. 91 (48%) patients had a comorbidity, with hypertension being the most common (58 [30%] patients), followed by diabetes (36 [19%] patients) and coronary heart disease (15 [8%] patients). Multivariable regression showed increasing odds of in-hospital death associated with older age (odds ratio 1·10, 95% CI 1·03–1·17, per year increase; p=0·0043), higher Sequential Organ Failure Assessment (SOFA) score (5·65, 2·61–12·23; p<0·0001), and d-dimer greater than 1 μg/mL (18·42, 2·64–128·55; p=0·0033) on admission. Median duration of viral shedding was 20·0 days (IQR 17·0–24·0) in survivors, but SARS-CoV-2 was detectable until death in non-survivors. The longest observed duration of viral shedding in survivors was 37 days. Interpretation The potential risk factors of older age, high SOFA score, and d-dimer greater than 1 μg/mL could help clinicians to identify patients with poor prognosis at an early stage. Prolonged viral shedding provides the rationale for a strategy of isolation of infected patients and optimal antiviral interventions in the future. Funding Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences; National Science Grant for Distinguished Young Scholars; National Key Research and Development Program of China; The Beijing Science and Technology Project; and Major Projects of National Science and Technology on New Drug Creation and Development.
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            Presenting Characteristics, Comorbidities, and Outcomes Among 5700 Patients Hospitalized With COVID-19 in the New York City Area

            There is limited information describing the presenting characteristics and outcomes of US patients requiring hospitalization for coronavirus disease 2019 (COVID-19).
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              • Abstract: found
              • Article: not found

              Pulmonary Vascular Endothelialitis, Thrombosis, and Angiogenesis in Covid-19

              Progressive respiratory failure is the primary cause of death in the coronavirus disease 2019 (Covid-19) pandemic. Despite widespread interest in the pathophysiology of the disease, relatively little is known about the associated morphologic and molecular changes in the peripheral lung of patients who die from Covid-19.
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                Author and article information

                Journal
                N Engl J Med
                N Engl J Med
                nejm
                The New England Journal of Medicine
                Massachusetts Medical Society
                0028-4793
                1533-4406
                04 August 2021
                : NEJMoa2105911
                Affiliations
                From the Peter Munk Cardiac Centre at University Health Network (P.R.L., M.E.F., V.D., J.P.G., L.C.G., G.H.), the University of Toronto (P.R.L., E.C.G., A.S.S., M.E.F., V.D., R.A.F., L.C.G., G.H., M.H.), University Health Network (E.C.G., M.H.), St. Michael’s Hospital Unity Health (A.S.S., Z.B., J.C.M., M.S.), Ozmosis Research (L.B., L.P.G.D., V.W.), and Sunnybrook Health Sciences Centre (J.P.G.), Toronto, Ottawa Hospital Research Institute (M. Carrier, L.A.C., D.A.F., G.L.G., D.M.S.), Institut du Savoir Montfort (Marc Carrier, G.L.G.), and the University of Ottawa (L.A.C., D.A.F., D.M.S.), Ottawa, Université Laval (A.F.T.) and CHU de Québec–Université Laval Research Center (A.F.T.), Quebec, QC, the University of Manitoba (B.L.H., A. Kumar, R.Z., S.A.L., D.S., G.V.-G.), CancerCare Manitoba (B.L.H., R.Z.), and St. Boniface Hospital (N.M.), Winnipeg, MB, McGill University, Montreal (S.R.K., E.G.M.), McMaster University (P.L.G.) and the Thrombosis and Atherosclerosis Research Institute (P.L.G.), Hamilton, ON, Université de Sherbrooke, Sherbrooke, QC (F.L.), the University of British Columbia, Vancouver (S. Murthy, K.R.), and the University of Alberta, Edmonton (S.D.) — all in Canada; NYU Grossman School of Medicine (J.S.B., H.R.R., J.S.H., T.C., N.M.K., S.P.), the Icahn School of Medicine at Mount Sinai and Mount Sinai Heart (R.S.R.), NYU Langone Health, NYU Langone Hospital (T.C., J.M.H., E.Y.), and Bellevue Hospital (N.M.K.), New York, Montefiore Medical Center (M.N.G., H.H.B., S.C., J.T.C., R.N.) and Albert Einstein College of Medicine (M.N.G., H.H.B., B.T.G., A. Hope), Bronx, and NYU Langone Long Island, Mineola (R.D.H., A. Hindenburg) — all in New York; the University of Pittsburgh (M.D.N., B.J.M., D.T.H., M.M.B., D.C.A., A.J.K., C.M.L., K.L., S.K.M., C.W.S.), UPMC (M.D.N., B.J.M., D.C.A., K.L., S.K.M.), the Clinical Research, Investigation, and Systems Modeling of Acute Illness (CRISMA) Center, University of Pittsburgh (T.D.G.), and UPMC Children’s Hospital of Pittsburgh (C. Horvat), Pittsburgh, and Emergency Medicine, Penn State Hershey Medical Center, Hershey (S.C.M.) — all in Pennsylvania; Instituto do Coracao, Hospital das Clinicas, Faculdade de Medicina, Universidade de Sao Paulo (J.C.N., L.C.G., F.G.L.), Avanti Pesquisa Clínica (A.S.M.), Hospital de Julho (F.O.S.), and Hospital do Coracao (F.G.Z.), Sao Paulo, Hospital do Coração de Mato Grosso do Sul and the Federal University of Mato Grosso do Sul (M.P.), Hospital Universitário Maria Aparecida Pedrossia (D.G.S.J.), and Hospital Unimed Campo Grande (D.G.S.J.), Campo Grande, and INGOH, Clinical Research Center, Goiânia (M.O.S.) — all in Brazil; Instituto Mexicano del Seguro Social, Mexico City (J.E., Y.S.P.G.); the University of Bristol and University Hospitals Bristol and Weston NHS Foundation Trust (C.A.B.), Bristol, Imperial College London (A.C.G., F.A.-B., M.A.L.), Imperial College Healthcare NHS Trust, St. Mary’s Hospital (A.C.G.), the London School of Hygiene and Tropical Medicine (B.-A.K.), University College London Hospital (R.H.), Kings Healthcare Partners (B.J.H.), the Intensive Care National Audit and Research Centre (P.R.M.), Guy’s and St. Thomas’ NHS Foundation Trust (M.S.-H.), and King’s College London (M.S.-H.), London, Oxford University (A. Beane, S.J.S.) and NHS Blood and Transplant (L.J.E., S.J.S.), Oxford, and Queen’s University Belfast and Royal Victoria Hospital, Belfast (D.F.M.) — all in the United Kingdom; Zuckerberg San Francisco General Hospital, University of California, San Francisco (L.Z.K., C. Hendrickson, M.M.K., A.E.K., M.A.M., B.N.-G.), Harbor–UCLA Medical Center, Torrance (R.J.L., S. Brouwer), Global Coalition for Adaptive Research (M. Buxton) and the University of California Los Angeles (G.L.), Los Angeles, the University of California San Diego School of Medicine, San Diego (T.W.C.), and Stanford University School of Medicine, Palo Alto (J.G.W.) — all in California; Larner College of Medicine at the University of Vermont, Burlington (M. Cushman); Australian and New Zealand Intensive Care Research Centre, Monash University (Z.M., A.M.H., C.J.M., S.A.W., A. Buzgau, C.G., S.P.M., A.D.N., J.C.P., A.C.C.), and Alfred Health (A.C.C., A.D.N.), Melbourne, VIC, St. John of God Subiaco Hospital (S.A.W., E. Litton) and Fiona Stanley Hospital (E. Litton), Perth, WA, and Flinders University, Bedford Park, SA (S. Bihari) — all in Australia; the University of Illinois (K.S.K., J.R.J., J.G.Q.), Cook County Health and Rush Medical College (S. Malhotra), and the University of Chicago (J.D.P.) — all in Chicago; SOCAR Research SA, Nyon (B.-A.K.), and Inselspital, Bern University Hospital, University of Bern (T.T.), Bern — all in Switzerland; Berry Consultants, Austin (R.J.L., E. Lorenzi, S.M.B., L.R.B., M.A.D., M.F., A.M., C.T.S.), University of Texas Southwestern Medical Center, Dallas (A.P.), and Baylor Scott and White Health, Temple (R.J.W.) — all in Texas; Auckland City Hospital (C.J.M., S.P.M., R.L.P.) and the University of Auckland (R.L.P.), Auckland, and the Medical Research Institute of New Zealand, Wellington (C.J.M., A.M.T.) — all in New Zealand; Vanderbilt University Medical Center (A.W.A.) and TriStar Centennial Medical Center (A.L.G.) — both in Nashville; Fédération Hospitalo Universitaire, Raymond Poincaré Hospital, Université de Versailles Saint-Quentin-en-Yvelines, Garches (D. Annane), and Aix-Marseille University, Marseille (B.C.) — both in France; King Saud bin Abdulaziz University for Health Sciences and King Abdullah International Medical Research Center, Riyadh, Saudi Arabia (Y.M.A.); Nepal Mediciti Hospital, Lalitpur, and Nepal Intensive Care Research Foundation, Kathmandu (D. Aryal) — both in Nepal; Versiti Blood Research Institute, Milwaukee (L.B.K., L.J.E.), and the University of Wisconsin School of Medicine and Public Health, Madison (J.P.S.); National Intensive Care Surveillance–Mahidol Oxford Tropical Medicine Research Unit, Colombo, Sri Lanka (A. Beane); the University Medical Center Utrecht, Utrecht University, Utrecht (M. Bonten, R.E.G.S., W.B.-P.), and Radboud University Medical Center, Nijmegen (S. Middeldorp, F.L.V.) — both in the Netherlands; Jena University Hospital, Jena, Germany (F.B.); Cleveland Clinic (A.D.) and Case Western Reserve University, the Metro Health Medical Centre (V.K.) — both in Cleveland; Ochsner Medical Center, University of Queensland–Ochsner Clinical School, New Orleans (M.B.E.); Harvard Medical School (B.M.E., Y.K., N.S.R., A.B.S), Brigham and Women’s Hospital (B.M.E., Y.K., S.M.H.), Boston University School of Medicine and Boston Medical Center (N.M.H.), and Massachusetts General Hospital (A.B.S., N.S.R.) — all in Boston; University of Alabama, Birmingham (S.G.); Hospital Ramón y Cajal (S.G.-M., J.L.L.-S.M., R.M.G.) and IdiPaz Research Institute, Universidad Autonoma (J.L.-S.), Madrid, and University Hospital of Salamanca–University of Salamanca-IBSAL, Salamanca (M.M.) — all in Spain; University of Antwerp, Wilrijk, Belgium (H.G.); Rutgers New Jersey Medical School, Newark (Y.Y.G.); University of Oxford, Bangkok, Thailand (R.H.); Ascension St. John Heart and Vascular Center, Tulsa (N.H.), and the University of Oklahoma College of Medicine, Oklahoma City (N.H.); the University of Cincinnati, Cincinnati (K.H.); University of Michigan, Ann Arbor (R.C.H., P.K.P.), Beaumont Health, Royal Oak, and the OUWB School of Medicine, Auburn Hills (G.B.N.) — all in Michigan; Mayo Clinic, Rochester (V.N.I.), and the Hennepin County Medical Center, Minneapolis (M.E.P.) — both in Minnesota; Apollo Speciality Hospital–OMR, Chennai, India (D.J.); Oregon Health and Science University, Portland (A. Khan, E.S.L.); the National Heart, Lung, and Blood Institute, Bethesda, MD (A.L.K.); University of Mississippi Medical Center, Jackson (M.E.K.); University College Dublin, Dublin (A.D.N.); University of Kansas School of Medicine, Kansas City (L.S.); Duke University Hospital, Durham, NC (L.W.); and Emory University, Atlanta (B.J.W.).
                Author notes
                Address reprint requests to Dr. Zarychanski at the Sections of Hematology/Oncology and Critical Care, University of Manitoba, Winnipeg, MB, Canada R3E 0V9, or at rzarychanski@ 123456cancercare.mb.ca ; or to Dr. Hochman at New York University Grossman School of Medicine, New York University Langone Health, 530 First Ave., Skirball 9R, New York, NY, 10016, or at judith.hochman@ 123456nyumc.org .

                The members of the writing committee appear at the end of the main text, and the full list of investigators and collaborators appears in the Supplementary Appendix, available at NEJM.org.

                Drs. Lawler, Goligher, Berger, Neal, and McVerry and Drs. McArthur, Webb, Farkouh, Hochman, and Zarychanski contributed equally to this article.

                Article
                NJ202108043850905
                10.1056/NEJMoa2105911
                8362594
                34351721
                268e3619-d494-4664-afc9-e964217f439c
                Copyright © 2021 Massachusetts Medical Society. All rights reserved.

                This article is made available via the PMC Open Access Subset for unrestricted re-use, except commercial resale, and analyses in any form or by any means with acknowledgment of the original source. These permissions are granted for the duration of the Covid-19 pandemic or until revoked in writing. Upon expiration of these permissions, PMC is granted a license to make this article available via PMC and Europe PMC, subject to existing copyright protections.

                History
                Funding
                Funded by: Multiple funders (see supplementary appendix), FundRef ;
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                Original Article
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                2021-08-04T17:00:00-04:00
                2021
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