ACE and chronic obstructive pulmonary disease: PCI, percutaneous coronary intervention; CABG, coronary artery bypass graft; COPD, chronic obstructive pulmonary disease; DAPT, dual antiplatelet treatment; ACE, angiotensin-converting enzyme; LAD, left anterior descending artery; MACE, major adverse cardiac event; RCA, right coronary artery; IMA, intermediate artery; Cx, circumflex artery