Mechanical Hemolysis Associated with a Bioprosthetic Mitral Valve Combined with a Calcified Aortic Valve Stenosis

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Abstract
We report a case of severe mechanical hemolysis occurring 8 years after insertion of a bioprosthetic mitral valve in a patient who also suffered from aortic valve stenosis. It is suggested that the coexistence of two malfunctioning valves may lead to hemolysis via hemodynamic and turbulence alteration and that this condition is more frequent than expected for isolated valve involvement.