List of abbreviations:
CABG= Coronary Artery Bypass Grafting
CPB= Cardiopulmonary Bypass
DAC= Double Aortic Clamp
EF= Ejection Fraction
LIMA= Left Internal Mammary Artery
MACCE= Major Adverse Cerebral and Cardiovascular Events
OPCAB = Off-pump Coronary Artery Bypass
PCI = Percutaneous Coronary Intervention
RIMA= Right Internal Mammary Artery
SAC= Single Aortic Clamp
GSV= Great Saphenous Vein