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Catastrophic antiphospholipid syndrome and heparin-induced thrombocytopenia-related diseases or chance association?
Journal article   Peer reviewed

Catastrophic antiphospholipid syndrome and heparin-induced thrombocytopenia-related diseases or chance association?

Nay T Tun, Mahesh Krishnamurthy and Richard Snyder
Blood coagulation & fibrinolysis, v 26(2)
Mar 2015
PMID: 25304013

Abstract

Adult Anticoagulants - adverse effects Antiphospholipid Syndrome - blood Female Gynatresia - blood Heparin - adverse effects Humans Male Thrombocytopenia - chemically induced
Antiphospholipid syndrome (APS) and heparin-induced thrombocytopenia (HIT) are thrombotic disorders due to specific autoimmune-mediated antibodies. Catastrophic APS (CAPS), also known as Asherman's syndrome, is a life-threatening severe form of APS. Diagnostic criteria for CAPS include the development of a thrombotic event of three or more organs in less than a week with the presence of antiphospholipid antibodies and microvascular thrombosis on histology. Thrombocytopenia is seen in more than 60% of cases of CAPS. HIT is a life-threatening disorder with the clinical presentation of thrombocytopenia and arterial or venous thrombosis in patients who develop antibodies to heparin and platelet factor 4 typically within 10 days after starting heparin treatment. Due to the multiple similarities in clinical features and pathophysiology of CAPS and HIT, it has been postulated that these two antibody-mediated disorders may be related. We report two cases in which patients diagnosed with CAPS developed HIT very soon during the same admission as well as a case of a patient initially diagnosed with HIT who presented with CAPS years later.

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Hematology
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