title: Invited commentary.
authors.affiliation: Department of Cardiac Surgery, Kerckhoff-Klinik, Benekestr. 2-8, 61231 Bad Nauheim, Germany. t.walther@kerckhoff-klinik.de
authors.forename: Thomas
authors.initials: T
authors.lastname: Walther
authors.forename: Jörg
authors.initials: J
authors.lastname: Kempfert
mesh_terms: D001021:Aortic Valve / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans