[Follow-up survey of 60 patients with mitral valve replacement using a flexible stent porcine aortic valve xenograft].
D000293:Adolescent; D000328:Adult; D000818:Animals; D001705:Bioprosthesis / Q000401:mortality*; D005260:Female; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000401:mortality*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D008946:Mitral Valve Stenosis / Q000601:surgery; D011183:Postoperative Complications / Q000517:prevention & control; D011379:Prognosis