Thrombotic Thrombocytopenic Purpura Following Aortic Valve Replacement with St. Jude Medical Trifecta Bio-Prosthesis

Andrea D’Alessio, Danilo Verdichizzo, Fabio Falconieri, Amar Keiralla, Joanna Abramik, George Kassimis, George Krasopoulos


Thrombocytopenia is a recognized complication following aortic valve replacement (AVR). While post-operative thrombotic thrombocytopenic purpura (TTP) is less common than heparin-induced thrombocytopenia (HIT), it is associated with high mortality and morbidity and prompt diagnosis and treatment is vital. In this case report, we describe the first reported case of TTP after AVR using the trifecta bio-prosthesis. We recommend that patients with severe and progressive thrombocytopenia following biological AVR should have early screening for both HIT and TTP, to shorten the decision-making process and provide the appropriate therapy.

Cardiol Res. 2018;9(6):392-394


Heparin-induced thrombocytopenia; Thrombotic thrombocytopenic purpura; Aortic valve replacement; Bio-prosthetic valve

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Cardiology Research, bimonthly, ISSN 1923-2829 (print), 1923-2837 (online), published by Elmer Press Inc.                     
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