Late results of valve replacement.
D001021:Aortic Valve / Q000601:surgery; D005500:Follow-Up Studies; D006349:Heart Valve Diseases / Q000401:mortality / Q000601:surgery; D006350:Heart Valve Prosthesis / Q000009:adverse effects; D006801:Humans; D008943:Mitral Valve / Q000601:surgery; D011183:Postoperative Complications; D013923:Thromboembolism / Q000209:etiology / Q000401:mortality