title: Factors associated with operative risk in mitral valve replacement.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001281:Atrial Fibrillation / Q000209:etiology; D002302:Cardiac Output; D006332:Cardiomegaly / Q000209:etiology; D002648:Child; D005260:Female; D006339:Heart Rate; D006349:Heart Valve Diseases / Q000150:complications; D006350:Heart Valve Prosthesis / Q000009:adverse effects* / Q000401:mortality; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D008944:Mitral Valve Insufficiency / Q000401:mortality / Q000601:surgery*; D008946:Mitral Valve Stenosis / Q000401:mortality / Q000601:surgery*; D009519:New York City; D011183:Postoperative Complications; D012189:Retrospective Studies