title: Invited commentary.
authors.affiliation: Department of Surgery, University Hospital of Geneva, CH-1211 Geneva 14, Switzerland. beat.walpoth@hcuge.ch
authors.forename: Beat H
authors.initials: BH
authors.lastname: Walpoth
mesh_terms: D047549:Coronary Artery Bypass, Off-Pump; D003326:Coronary Circulation; D006801:Humans; D007432:Intraoperative Period; D012680:Sensitivity and Specificity