BITA, bilateral internal thoracic artery; COPD, chronic obstructive pulmonary disease; DSWI, deep surgical wound infection; HR, hazards ratio; IABP, intraaortic balloon pumping; ITA, internal thoracic artery; LAD, left anterior descending artery; LVDd, left ventricle diastolic dimension; LVEF, left ventricle ejection fraction; MR, mitral regurgitation; OMI, old myocardial infarction; PAD, peripheral artery disease; PCI, percutaneous catheter intervention; POAF, postoperative atrial fibrillation