title: Invited commentary.
authors.affiliation: Department of Surgery, Royal Brompton Hospital, Sydney St, London, SW3 6NP United Kingdom. j.pepper@rbht.nhs.uk
authors.forename: John R
authors.initials: JR
authors.lastname: Pepper
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001024:Aortic Valve Stenosis / Q000150:complications / Q000601:surgery*; D001705:Bioprosthesis; D005260:Female; D006333:Heart Failure / Q000209:etiology / Q000503:physiopathology; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male