[A case of the valve malfunction due to the leaflet tear of the Ionescu-Shiley pericardial xenograft at mitral position].
D000368:Aged; D000743:Anemia, Hemolytic / Q000209:etiology; D001705:Bioprosthesis; D005260:Female; D006350:Heart Valve Prosthesis; D006801:Humans; D008946:Mitral Valve Stenosis / Q000601:surgery*; D011475:Prosthesis Failure; D012086:Reoperation