title: Invited commentary.
authors.affiliation: Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA. tmacgillivray@partners.org
authors.forename: Thomas E
authors.initials: TE
authors.lastname: MacGillivray
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D006348:Cardiac Surgical Procedures / Q000401:mortality / Q000706:statistics & numerical data*; D001026:Coronary Artery Bypass / Q000401:mortality / Q000706:statistics & numerical data*; D006801:Humans; D012086:Reoperation / Q000401:mortality / Q000706:statistics & numerical data*; D015996:Survival Rate; D017741:Survivors; D013997:Time Factors