title: Invited commentary.
authors.affiliation: Division of Cardiovascular Surgery, Mayo Clinic, 200 First St SW, Rochester, MN55905. Electronic address: daly.richard@mayo.edu.
authors.forename: Richard C
authors.initials: RC
authors.lastname: Daly
mesh_terms: D005260:Female; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D018497:Ventricular Dysfunction, Right / Q000503:physiopathology*; D016278:Ventricular Function, Right / Q000502:physiology*