What is the prevalence of thrombocytopenia in antiphospholipid syndrome (APS)?

Updated: Nov 24, 2020
  • Author: Suneel Movva, MD; Chief Editor: Herbert S Diamond, MD  more...
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Thrombocytopenia is fairly common in persons with APS (22% at presentation, 30% cumulatively) and is therefore associated with paradoxical thrombosis. However, patients with platelet counts of less than 50,000/µL may have an increased risk of bleeding. Hemolytic anemia has been well described in patients with APS and is associated with the presence of IgM aCL antibodies.

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