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Convalescent Plasma Antibody Levels and the Risk of Death from Covid-19.
Joyner, Michael J; Carter, Rickey E; Senefeld, Jonathon W; Klassen, Stephen A; Mills, John R; Johnson, Patrick W; Theel, Elitza S; Wiggins, Chad C; Bruno, Katelyn A; Klompas, Allan M; Lesser, Elizabeth R; Kunze, Katie L; Sexton, Matthew A; Diaz Soto, Juan C; Baker, Sarah E; Shepherd, John R A; van Helmond, Noud; Verdun, Nicole C; Marks, Peter; van Buskirk, Camille M; Winters, Jeffrey L; Stubbs, James R; Rea, Robert F; Hodge, David O; Herasevich, Vitaly; Whelan, Emily R; Clayburn, Andrew J; Larson, Kathryn F; Ripoll, Juan G; Andersen, Kylie J; Buras, Matthew R; Vogt, Matthew N P; Dennis, Joshua J; Regimbal, Riley J; Bauer, Philippe R; Blair, Janis E; Paneth, Nigel S; Fairweather, DeLisa; Wright, R Scott; Casadevall, Arturo.
  • Joyner MJ; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Carter RE; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Senefeld JW; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Klassen SA; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Mills JR; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Johnson PW; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Theel ES; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Wiggins CC; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Bruno KA; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Klompas AM; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Lesser ER; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Kunze KL; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Sexton MA; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Diaz Soto JC; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Baker SE; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Shepherd JRA; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • van Helmond N; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Verdun NC; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Marks P; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • van Buskirk CM; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Winters JL; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Stubbs JR; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Rea RF; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Hodge DO; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Herasevich V; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Whelan ER; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Clayburn AJ; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Larson KF; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Ripoll JG; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Andersen KJ; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Buras MR; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Vogt MNP; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Dennis JJ; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Regimbal RJ; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Bauer PR; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Blair JE; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Paneth NS; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Fairweather D; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Wright RS; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
  • Casadevall A; From the Departments of Anesthesiology and Perioperative Medicine (M.J.J., J.W.S., S.A.K., C.C.W., A.M.K., M.A.S., J.C.D.S., S.E.B., J.R.A.S., V.H., A.J.C., J.G.R., K.J.A., M.N.P.V., J.J.D., R.J.R.), Laboratory Medicine and Pathology (J.R.M., E.S.T., C.M.B., J.L.W., J.R.S.), and Cardiovascular Medic
N Engl J Med ; 384(11): 1015-1027, 2021 03 18.
Article in English | MEDLINE | ID: covidwho-1057739
ABSTRACT

BACKGROUND:

Convalescent plasma has been widely used to treat coronavirus disease 2019 (Covid-19) under the presumption that such plasma contains potentially therapeutic antibodies to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that can be passively transferred to the plasma recipient. Whether convalescent plasma with high antibody levels rather than low antibody levels is associated with a lower risk of death is unknown.

METHODS:

In a retrospective study based on a U.S. national registry, we determined the anti-SARS-CoV-2 IgG antibody levels in convalescent plasma used to treat hospitalized adults with Covid-19. The primary outcome was death within 30 days after plasma transfusion. Patients who were enrolled through July 4, 2020, and for whom data on anti-SARS-CoV-2 antibody levels in plasma transfusions and on 30-day mortality were available were included in the analysis.

RESULTS:

Of the 3082 patients included in this analysis, death within 30 days after plasma transfusion occurred in 115 of 515 patients (22.3%) in the high-titer group, 549 of 2006 patients (27.4%) in the medium-titer group, and 166 of 561 patients (29.6%) in the low-titer group. The association of anti-SARS-CoV-2 antibody levels with the risk of death from Covid-19 was moderated by mechanical ventilation status. A lower risk of death within 30 days in the high-titer group than in the low-titer group was observed among patients who had not received mechanical ventilation before transfusion (relative risk, 0.66; 95% confidence interval [CI], 0.48 to 0.91), and no effect on the risk of death was observed among patients who had received mechanical ventilation (relative risk, 1.02; 95% CI, 0.78 to 1.32).

CONCLUSIONS:

Among patients hospitalized with Covid-19 who were not receiving mechanical ventilation, transfusion of plasma with higher anti-SARS-CoV-2 IgG antibody levels was associated with a lower risk of death than transfusion of plasma with lower antibody levels. (Funded by the Department of Health and Human Services and others; ClinicalTrials.gov number, NCT04338360.).
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 / Antibodies, Viral Type of study: Observational study / Prognostic study Limits: Adolescent / Adult / Aged / Female / Humans / Male / Middle aged / Young adult Country/Region as subject: North America Language: English Journal: N Engl J Med Year: 2021 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 / Antibodies, Viral Type of study: Observational study / Prognostic study Limits: Adolescent / Adult / Aged / Female / Humans / Male / Middle aged / Young adult Country/Region as subject: North America Language: English Journal: N Engl J Med Year: 2021 Document Type: Article