title: Invited commentary.
authors.affiliation: Center for Cardiac Surgery Basel-Bern, University Hospital Basel, Spitalstrasse 21, Basel, CH-4031 Switzerland. feckstein@uhbs.ch
authors.forename: Friedrich S
authors.initials: FS
authors.lastname: Eckstein
mesh_terms: D001014:Aortic Aneurysm / Q000601:surgery*; D001021:Aortic Valve / Q000601:surgery*; D001705:Bioprosthesis; D019917:Blood Vessel Prosthesis Implantation / Q000379:methods*; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D012850:Sinus of Valsalva