“…Khan et al [73] reported patency rates of 88% and 98%, respectively, in OPCAB and CABG with bypass surgery. However, a closer analysis of this study [73] shows that the limited experience of the surgeons, coupled with the intraoperative administration of a relatively low dose of heparin, the absence of aggressive postoperative antiplatelet therapy with clopidogrel, and the failure to use new suction devices to optimize exposure, may have confounded the analyses of graft patency among patients who underwent off-pump procedures [74].…”