title: Invited commentary.
authors.affiliation: Cardiac Surgery and Transplant Unit, Papworth Hospital, Papworth Everard, Cambridgeshire, CB38RE United Kingdom. stephen.large@papworth.nhs.uk
authors.forename: Stephen
authors.initials: S
authors.lastname: Large
mesh_terms: D001024:Aortic Valve Stenosis / Q000401:mortality* / Q000628:therapy*; D015331:Cohort Studies; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D011379:Prognosis; D012189:Retrospective Studies; D016019:Survival Analysis