who had undergone coronary artery bypass grafting surgery (CABG) with use of saphenous vein grafts (SVGs) from March 2016 to May 2017 were included into the study, with total number of 127 patients. Their medical records were collected and reviewed. These patients were then divided into two groups, CVH and MIVH group, based on the vein harvesting technique done. The harvesting technique was decided based on operating surgeon's preference. CVH group (n=68) had conventional open saphenous vein harvesting. MIVH group had minimally invasive endoscopic saphenous vein harvesting. All deaths were excluded from the study.Vein harvesting was performed by experienced medical assistants. Perioperative care was similar for all patients.

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