Thrombotic Thrombocytopenic Purpura in Pregnancy: Successful Treatment with Plasma Exchange

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Abstract
Thrombotic thrombocytopenic purpura (TTP) is a rare syndrome which presents typically with thrombocytopenia, microangiopathic hemolytic anemia, central nervous system symptoms, fever, and renal abnormalities. The diagnosis of TTP in pregnancy previously carried a poor prognosis and a high fetal mortality when presenting early in gestation. This case report describes the earliest presentation of TTP in pregnancy (6 weeks of gestation) we could identify in the literature treated successfully with a prolonged course of plasma exchange. The differential diagnosis and the pathogenesis of TTP in pregnancy are reviewed. Therapeutic options and data regarding the removal of pregnancy-related hormones by plasma exchange are presented.

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