title: Perforation of muscle shelf of right coronary cusp causing acute regurgitation of porcine mitral xenograft.
mesh_terms: D000208:Acute Disease; D001705:Bioprosthesis / Q000009:adverse effects*; D004868:Equipment Failure; D005260:Female; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve / Q000473:pathology; D008944:Mitral Valve Insufficiency / Q000209:etiology* / Q000473:pathology