title: eComment: valid comparisons between off-pump and on-pump coronary artery surgery can only be based on strict study design.
authors.affiliation: Athens University School of Medicine, Marousi, Greece.
authors.forename: Dimitrios C
authors.initials: DC
authors.lastname: Angouras
mesh_terms: D017023:Coronary Angiography / Q000379:methods*; D001026:Coronary Artery Bypass / Q000009:adverse effects*; D047549:Coronary Artery Bypass, Off-Pump / Q000009:adverse effects*; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D006083:Graft Occlusion, Vascular / Q000000981:diagnostic imaging / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D011237:Predictive Value of Tests; D015203:Reproducibility of Results; D012107:Research Design; D013997:Time Factors; D036542:Tomography, Spiral Computed; D016896:Treatment Outcome; D014654:Vascular Patency