title: Fifteen-to twenty-year study of one thousand patients undergoing closed mitral valvuloplasty.
mesh_terms: D000328:Adult; D002114:Calcinosis / Q000453:epidemiology / Q000209:etiology / Q000601:surgery; D003645:Death, Sudden; D004617:Embolism / Q000453:epidemiology; D005260:Female; D005500:Follow-Up Studies; D006333:Heart Failure / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery*; D008944:Mitral Valve Insufficiency / Q000453:epidemiology / Q000209:etiology / Q000601:surgery; D008946:Mitral Valve Stenosis / Q000601:surgery*; D011183:Postoperative Complications; D011379:Prognosis; D011655:Pulmonary Embolism / Q000401:mortality; D012737:Sex Factors