title: Prognosis in valve replacement.
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000601:surgery; D001705:Bioprosthesis / Q000009:adverse effects; D005260:Female; D006350:Heart Valve Prosthesis / Q000009:adverse effects; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000601:surgery; D011379:Prognosis; D011475:Prosthesis Failure