title: Invited commentary.
authors.affiliation: Cardiovascular Surgery, Hôpital de la Salpétrière, 50-52 Bd Vincent Auriol, Paris, 75013, France. c.acar@psl.ap-hop-paris.fr
authors.forename: Christophe
authors.initials: C
authors.lastname: Acar
mesh_terms: D001021:Aortic Valve / Q000601:surgery; D006349:Heart Valve Diseases / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D011664:Pulmonary Valve / Q000637:transplantation*; D014182:Transplantation, Autologous