RT Book, Section A1 Frame, James N. A1 Bartholomew, John R. A2 Boyiadzis, Michael M. A2 Frame, James N. A2 Kohler, David R. A2 Fojo, Tito SR Print(0) ID 1128368100 T1 Heparin-Induced Thrombocytopenia T2 Hematology-Oncology Therapy, 2e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071637893 LK hemonc.mhmedical.com/content.aspx?aid=1128368100 RD 2024/04/20 AB Heparin-induced thrombocytopenia is a prothrombotic disorder mediated by IgG antibodies that bind to conformational epitopes on PF4 when it is complexed with heparin. Typically, the platelet counts are only moderately reduced. Occasionally patients do not have thrombocytopenia, but their platelet counts decrease by 50% from pretreatment levels Kelton JG et al. N Engl J Med 2013;368:737–744