Adjunct Immune Globulin for Vaccine-Induced Immune Thrombotic Thrombocytopenia.


Journal

The New England journal of medicine
ISSN: 1533-4406
Titre abrégé: N Engl J Med
Pays: United States
ID NLM: 0255562

Informations de publication

Date de publication:
19 08 2021
Historique:
pubmed: 10 6 2021
medline: 24 8 2021
entrez: 9 6 2021
Statut: ppublish

Résumé

The use of high-dose intravenous immune globulin (IVIG) plus anticoagulation is recommended for the treatment of vaccine-induced immune thrombotic thrombocytopenia (VITT), a rare side effect of adenoviral vector vaccines against coronavirus disease 2019 (Covid-19). We describe the response to IVIG therapy in three of the first patients in whom VITT was identified in Canada after the receipt of the ChAdOx1 nCoV-19 vaccine. The patients were between the ages of 63 and 72 years; one was female. At the time of this report, Canada had restricted the use of the ChAdOx1 nCoV-19 vaccine to persons who were 55 years of age or older on the basis of reports that VITT had occurred primarily in younger persons. Two of the patients in our study presented with limb-artery thrombosis; the third had cerebral venous and arterial thrombosis. Variable patterns of serum-induced platelet activation were observed in response to heparin and platelet factor 4 (PF4), indicating the heterogeneity of the manifestations of VITT in serum. After the initiation of IVIG, reduced antibody-induced platelet activation in serum was seen in all three patients. (Funded by the Canadian Institutes of Health Research.).

Identifiants

pubmed: 34107198
doi: 10.1056/NEJMoa2107051
pmc: PMC8362588
doi:

Substances chimiques

COVID-19 Vaccines 0
Fibrin Fibrinogen Degradation Products 0
Immunoglobulins, Intravenous 0
fibrin fragment D 0
Serotonin 333DO1RDJY
Platelet Factor 4 37270-94-3
Fibrinogen 9001-32-5
Heparin 9005-49-6
ChAdOx1 nCoV-19 B5S3K2V0G8

Types de publication

Case Reports Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

720-728

Subventions

Organisme : Institute of Circulatory and Respiratory Health
ID : CIHR #452655

Commentaires et corrections

Type : CommentIn

Informations de copyright

Copyright © 2021 Massachusetts Medical Society.

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Auteurs

Alex Bourguignon (A)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Donald M Arnold (DM)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Theodore E Warkentin (TE)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

James W Smith (JW)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Tania Pannu (T)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Jeffrey M Shrum (JM)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Zainab A A Al Maqrashi (ZAA)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Anjali Shroff (A)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Marie-Claude Lessard (MC)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Normand Blais (N)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

John G Kelton (JG)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

Ishac Nazy (I)

From the Departments of Medicine (A.B., D.M.A., T.E.W., J.W.S., Z.A.A.A.M., A.S., J.G.K., I.N.) and Pathology and Molecular Medicine (A.B., T.E.W.), Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, the Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB (T.P., J.M.S.), the Department of Hematology/Oncology, Centre Hospitalier de l'Université de Montreal, Montreal (N.B.), and the Department of Hematology/Oncology, Hôpital Régional de Saint-Jérôme, St. Jerome, QC (M.-C.L.) - all in Canada.

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