title: Invited commentary.
authors.affiliation: Department of Surgery, Duke University Medical Center, Box 3851, Durham, NC 27710, USA. glowe001@mc.duke.edu
authors.forename: Donald D
authors.initials: DD
authors.lastname: Glower
mesh_terms: D058385:Cardiac Valve Annuloplasty / Q000379:methods*; D018618:Echocardiography, Doppler, Color; D017548:Echocardiography, Transesophageal; D005080:Exercise Test; D005500:Follow-Up Studies; D006333:Heart Failure / Q000150:complications / Q000401:mortality / Q000601:surgery*; D006352:Heart Ventricles / Q000000981:diagnostic imaging / Q000503:physiopathology; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications / Q000503:physiopathology / Q000601:surgery*; D011788:Quality of Life; D013318:Stroke Volume / Q000502:physiology*; D013997:Time Factors; D016896:Treatment Outcome