title: Invited commentary.
authors.affiliation: Department of Surgery, University of California, San Francisco, California. Electronic address: mratcliffe@hotmail.com.
authors.forename: Mark
authors.initials: M
authors.lastname: Ratcliffe
authors.affiliation: Department of Surgery, University of California, San Francisco, California.
authors.forename: Neil
authors.initials: N
authors.lastname: Cambronero
authors.affiliation: Department of Anesthesia, University of California, San Francisco, California.
authors.forename: Stephen
authors.initials: S
authors.lastname: Long
mesh_terms: D005260:Female; D006333:Heart Failure / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D014262:Tricuspid Valve Insufficiency / Q000601:surgery*