Recurrent nonbacterial thrombotic endocarditis the day after mitral valve replacement


      Nonbacterial thrombotic endocarditis (NBTE) is relatively rare, with an identification rate of 1.6% at autopsy, and is associated with malignancy and systemic lupus erythematosus. Further, bioprosthetic valve NBTE is extremely rare, with only a few reports in the literature. To ensure appropriate treatment, it is essential to differentiate between NBTE from infective endocarditis (IE) as soon as possible, but this is difficult without information regarding underlying disease and sufficient time for careful investigation. Here, we report a case of recurrent NBTE of a bioprosthetic valve the day following surgery based on an initial diagnosis of IE.


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