This document discusses off-pump coronary artery bypass grafting (OPCABG) experiences at IGIMS hospital in Patna. It provides background on coronary artery disease and treatments. OPCABG avoids use of cardiopulmonary bypass and its risks. Hardware like tissue stabilizers and shunts help perform anastomoses off-pump. IGIMS data shows 60 off-pump cases with 2 conversions to on-pump. Advantages of OPCABG include avoiding cardiopulmonary bypass risks while disadvantages can include incomplete revascularization and lesser graft patency. The document also discusses the history and pioneers of CABG and provides an overview of conduits, techniques and adjuncts used in OPCAB