title: Invited commentary.
authors.affiliation: Department of Cardiovascular Surgery, The Heart Hospital, Baylor Health Care System, 1100 Allied Dr, Plano, TX 75093, USA. mmack@csant.com
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Mack
mesh_terms: D001021:Aortic Valve / Q000000981:diagnostic imaging / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000175:diagnosis* / Q000601:surgery; D017548:Echocardiography, Transesophageal / Q000379:methods*; D006350:Heart Valve Prosthesis; D006801:Humans; D007430:Intraoperative Care / Q000379:methods*; D014057:Tomography, X-Ray Computed / Q000379:methods*