[A technique for the enlargement of the small aortic annulus during valve replacement].
D000328:Adult; D001021:Aortic Valve / Q000601:surgery*; D001022:Aortic Valve Insufficiency / Q000209:etiology / Q000601:surgery; D001024:Aortic Valve Stenosis / Q000209:etiology / Q000601:surgery*; D001807:Blood Vessel Prosthesis; D005260:Female; D006350:Heart Valve Prosthesis; D006801:Humans; D008722:Methods; D008875:Middle Aged; D012216:Rheumatic Diseases / Q000150:complications