Mitral valvotomy in patients aged 50 years and over.
D058186:Acute Kidney Injury; D000368:Aged; D001281:Atrial Fibrillation; D006348:Cardiac Surgical Procedures / Q000009:adverse effects; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D002542:Intracranial Embolism and Thrombosis; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000601:surgery*; D009203:Myocardial Infarction; D011655:Pulmonary Embolism; D012131:Respiratory Insufficiency