title: Invited Commentary.
authors.affiliation: Division of Cardiothoracic Surgery, University of Rochester Medical Center, 601 Elmwood Ave, Rochester, NY 14642. Electronic address: george_hicks@urmc.rochester.edu.
authors.forename: George L
authors.initials: GL
authors.lastname: Hicks
mesh_terms: D005260:Female; D006349:Heart Valve Diseases / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation / Q000009:adverse effects*; D017052:Hospital Mortality; D006801:Humans; D008297:Male; D008943:Mitral Valve