title: Invited commentary.
authors.affiliation: Department of Cardiothoracic and Vascular Surgery, Pushpanjali Crosslay Hospital, A 4 Yojana Vihar, Delhi 110 092, India. asampath_kumar@hotmail.com
authors.forename: Arkalgud Sampath
authors.initials: AS
authors.lastname: Kumar
mesh_terms: D001021:Aortic Valve; D006349:Heart Valve Diseases / Q000401:mortality* / Q000601:surgery*; D006801:Humans; D012214:Rheumatic Heart Disease / Q000401:mortality* / Q000601:surgery*; D014261:Tricuspid Valve