| CABG | coronary artery bypass grafting |
| CAD | coronary artery disease |
| cGMP | cyclic guanosine monophosphate |
| EDH | endothelium-dependent hyperpolarization |
| EDRF | endothelium-derived relaxing factor |
| EC | Endothelial cell |
| H2O2 | hydrogen peroxide |
| LITA | left internal thoracic mammary |
| NADPH | nicotinamide adenine dinucleotide phosphate |
| NO | nitric oxide |
| P2Y2 | purinoceptor 2 |
| PVAT | Perivascular Adipose Tissue |
| RCT | randomized clinical trial |