Indications for valve surgery in asymptomatic patients with aortic and mitral stenosis.
D001024:Aortic Valve Stenosis / Q000175:diagnosis / Q000601:surgery*; D006351:Heart Valves / Q000601:surgery*; D006801:Humans; D008946:Mitral Valve Stenosis / Q000175:diagnosis / Q000601:surgery*; D011183:Postoperative Complications; D012307:Risk Factors; D016896:Treatment Outcome