Plasma exchange to remove HIT antibodies: dissociation between enzyme-immunoassay and platelet activation test reactivities

Author:

Warkentin Theodore E.12,Sheppard Jo-Ann I.1,Chu F. Victor3,Kapoor Anil3,Crowther Mark A.12,Gangji Azim2

Affiliation:

1. Department of Pathology and Molecular Medicine,

2. Department of Medicine, and

3. Department of Surgery, McMaster University, Hamilton, ON, Canada

Abstract

Key Points Repeated plasma exchange removes sufficient HIT-IgG to achieve negative SRA despite ongoing strong-positive EIA. Serially-diluted HIT sera tested in both SRA and EIA show that SRA negativity can be achieved with minimal decrease in EIA reactivity.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

Reference15 articles.

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4. Management of intraoperative anticoagulation in patients with heparin-induced thrombocytopenia undergoing cardiovascular surgery.;Koster,2013

5. A diagnostic test for heparin-induced thrombocytopenia.;Sheridan;Blood,1986

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