[A case of rupture of the valvular cusp in a Björk-Shilley heart valve prosthesis].

A case of a patient with mitral valvular disease with a mitral valve prosthesis type Björk-Shilley of two year duration is reported. The patient was admitted to the intensive care cardiac unit in grave condition--shock and left cardiac failure. The patient died after 14 hours in spine of the efforts to over come the cardiogenic shock. The post mortem examination revealed a broken prosthesis and lack of one of the cusps which was found in the abdominal section of the aorta 10 cm above the bifurcation.