title: Invited commentary.
authors.affiliation: Department of Surgery, Division of Cardiac Surgery, University of Maryland, N4W94 22 S Greene St, Baltimore, MD 21201, USA. rposton@smail.umaryland.edu
authors.forename: Robert
authors.initials: R
authors.lastname: Poston
mesh_terms: D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation / Q000401:mortality / Q000706:statistics & numerical data*; D017052:Hospital Mortality; D006801:Humans; D011788:Quality of Life; D012189:Retrospective Studies; D016019:Survival Analysis