Heterograft aortic valve replacement.
D000818:Animals; D001021:Aortic Valve / Q000637:transplantation*; D001022:Aortic Valve Insufficiency / Q000453:epidemiology; D002417:Cattle; D004617:Embolism / Q000453:epidemiology; D004697:Endocarditis, Bacterial / Q000453:epidemiology; D005500:Follow-Up Studies; D006801:Humans; D008943:Mitral Valve / Q000601:surgery; D011183:Postoperative Complications / Q000453:epidemiology / Q000401:mortality; D013552:Swine; D014183:Transplantation, Heterologous