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Cardiogenic shock as a complication of acute mitral valve regurgitation following posteromedial papillary muscle infarction in the absence of coronary artery disease

By Federico Bizzarri, Consalvo Mattia, Massimo Ricci, Flaminia Coluzzi, Vincenzo Petrozza, Giacomo Frati, Giuseppe Pugliese and Luigi Muzzi

Abstract

A 48 year old man was transferred to our department with cardiogenic shock, pyrexia, a high white cell count and significant serum troponin T level. Clinical evaluation revealed severe mitral regurgitation secondary to a flail of both mitral valve leaflets. An emergency cardiac catheterisation did not reveal any significant coronary artery disease. Left ventricular angiogram and echocardiography demonstrated a good left ventricular function and massive mitral regurgitation. Blood cultures were negative for aerobics, anaerobics and fungi. The patient underwent emergency mitral valve replacement with a mechanical valve. Intraoperatively, the posteromedial papillary muscle was found to be ruptured. Histology of the papillary muscle revealed myocardial necrosis with no signs of infection. Cultures obtained from a mitral valve specimen were negative. The patient's recovery was uneventful and he was discharged on the 6th postoperative day

Topics: Case Report
Publisher: BioMed Central
OAI identifier: oai:pubmedcentral.nih.gov:2586022
Provided by: PubMed Central

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Citations

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