title: Patients with significant aortic incompetence should not be operated on until they are symptomatic.
mesh_terms: D001022:Aortic Valve Insufficiency / Q000175:diagnosis / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000175:diagnosis / Q000601:surgery; D006350:Heart Valve Prosthesis; D006439:Hemodynamics; D006801:Humans; D009200:Myocardial Contraction; D011183:Postoperative Complications / Q000401:mortality; D011379:Prognosis