title: Invited commentary.
authors.affiliation: Division of Cardiac Surgery, University of Torino, San Giovanni Battista Hospital, Corso Bramante 86, 10100 Torino, Italy.
authors.forename: Antonio M
authors.initials: AM
authors.lastname: Calafiore
mesh_terms: D047549:Coronary Artery Bypass, Off-Pump / Q000295:instrumentation*; D006801:Humans; D017202:Myocardial Ischemia / Q000601:surgery