title: Invited commentary.
authors: Peter Munk Cardiac Center, University Health Network, University of Toronto, 4N-464, Toronto General Hospital, 200 Elizabeth St, Toronto, Ontario, Canada M5G 2C4. vivek.rao@uhn.on.ca
authors: Vivek
authors: V
authors: Rao
mesh_terms: D001021:Aortic Valve / Q000503:physiopathology / Q000601:surgery*; D001705:Bioprosthesis; D005260:Female; D054144:Heart Failure, Diastolic / Q000209:etiology / Q000401:mortality*; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation / Q000009:adverse effects* / Q000379:methods; D006801:Humans; D008297:Male; D011379:Prognosis; D011474:Prosthesis Design; D011475:Prosthesis Failure; D017755:Prosthesis Fitting; D018570:Risk Assessment; D016019:Survival Analysis