title: Invited commentary.
authors.affiliation: Division of Cardiothoracic Surgery, University of North Carolina at Chapel Hill, 3040 Burnett Womack, CB #7065, Chapel Hill, NC 27599, USA. selzman@med.unc.edu
authors.forename: Craig H
authors.initials: CH
authors.lastname: Selzman
mesh_terms: D019544:Equipment Failure Analysis; D006333:Heart Failure / Q000601:surgery; D006353:Heart-Assist Devices; D006801:Humans; D011474:Prosthesis Design; D011475:Prosthesis Failure