[Echocardiographic determinants of the operative intervention in patients with aortic regurgitation].
D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000601:surgery*; D001022:Aortic Valve Insufficiency / Q000175:diagnosis* / Q000503:physiopathology / Q000601:surgery; D004452:Echocardiography; D005260:Female; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D013997:Time Factors