CABG—coronary artery bypass grafting

CAD—coronary artery disease

CVH—conventional vein harvesting

eNOS—endothelial nitric oxide synthase

EVH—endoscopic vein harvesting

H&E—haematoxylin eosin

IQR—interquartile range

LITA—left internal thoracic artery

LAD—left anterior descending artery

LW—leg wound

MI—myocardial infarction

NT—no-touch harvesting

PCI—percutaneous coronary intervention

SVG—saphenous vein graft