title: Invited commentary.
authors.affiliation: Department of Cardiothoracic and Vascular Surgery, Heart Center Brandenburg, Ladeburger Strasse 17, Bernau, Germany 16321. j.albes@immanuel.de
authors.forename: Johannes M
authors.initials: JM
authors.lastname: Albes
mesh_terms: D047549:Coronary Artery Bypass, Off-Pump; D041981:Gastrointestinal Tract / Q000098:blood supply; D006321:Heart; D006801:Humans; D007431:Intraoperative Complications / Q000209:etiology / Q000503:physiopathology; D007432:Intraoperative Period; D007511:Ischemia / Q000209:etiology / Q000503:physiopathology; D017538:Mesenteric Artery, Superior; D009038:Motion; D013152:Splanchnic Circulation