title: Invited Commentary.
authors.affiliation: Department of Surgery and Center for Quality and Safety, Massachusetts General Hospital, Bulfinch 2, 55 Fruit St, Boston, MA02114. Electronic address: dshahian@partners.org.
authors.forename: David M
authors.initials: DM
authors.lastname: Shahian
mesh_terms: D006348:Cardiac Surgical Procedures / Q000592:standards*; D005260:Female; D006801:Humans; D008297:Male; D008485:Medical Audit / Q000592:standards*; D058996:Quality Improvement; D012042:Registries / Q000592:standards*