title: Invited commentary.
authors.affiliation: Cardiac Transplantation and Mechanical Circulatory Support, Medical City Dallas Hospital, 7777 Forest Ln, Ste A323, Dallas, TX 75230, USA. tdewey@csant.com
authors.forename: Todd M
authors.initials: TM
authors.lastname: Dewey
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001024:Aortic Valve Stenosis / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation / Q000009:adverse effects / Q000401:mortality; D006801:Humans; D012307:Risk Factors