title: Invited commentary.
authors.affiliation: Department of CV Surgery, Regions Hospital, 2356 University Ave W, Suite 258, St. Paul, MN 55114, USA.
authors.forename: Robert W
authors.initials: RW
authors.lastname: Emery
authors.forename: Goya V
authors.initials: GV
authors.lastname: Raikar
authors.forename: Ann M
authors.initials: AM
authors.lastname: Emery
mesh_terms: D001022:Aortic Valve Insufficiency / Q000209:etiology*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans