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Although porcine mitral bioprostheses provide predictably good long-term outcomes, unexpected leaflet tears leading to abrupt haemodynamic changes may occur. Here, we report on a patient who was presented with acute dyspnea due to a cuspal tear of a porcine bioprosthetic mitral valve causing severe mitral regurgitation. Her condition was subsequently complicated by a systemic infection, probably pneumonia, and was successfully managed with an urgent redo-mitral valve replacement.

Although porcine mitral bioprostheses provide predictably good long-term outcomes, unexpected leaflet tears leading to abrupt haemodynamic changes may occur. We report on a patient who presented with acute dyspnea due to cuspal tear of a porcine bioprosthetic mitral valve causing severe mitral regurgitation, her condition was subsequently complicated by systemic infection, probably pneumonia, and was successfully managed with urgent redo-mitral valve replacement.