Multiple valve replacement.
D000293:Adolescent; D000328:Adult; D001021:Aortic Valve / Q000601:surgery; D002648:Child; D006349:Heart Valve Diseases / Q000601:surgery*; D006350:Heart Valve Prosthesis / Q000401:mortality; D006801:Humans; D008722:Methods; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D011183:Postoperative Complications; D011379:Prognosis; D013997:Time Factors; D014261:Tricuspid Valve / Q000601:surgery