title: Invited commentary.
authors.affiliation: Department of Cardiac Surgery, John Radcliffe Hospital, Oxford Heart Centre, Headington, Oxford, OX3 9DU United Kingdom. xy.jin@orh.nhs.uk
authors.forename: Xu Yu
authors.initials: XY
authors.lastname: Jin
authors.forename: Chandi
authors.initials: C
authors.lastname: Ratnatunga
mesh_terms: D001021:Aortic Valve / Q000601:surgery*; D001705:Bioprosthesis; D006350:Heart Valve Prosthesis; D006801:Humans; D017379:Hypertrophy, Left Ventricular / Q000601:surgery*; D015607:Stents