Risk factors for acute myocardial infarction during the postoperative period of myocardial revascularization.

Objective: To identify risk factors for acute myocardial infarction during the postoperative period after myocardial revascularization.

Methods: This was a case-control study paired for sex, age, number, type of graft used, coronary endarterectomy, type of myocardial protection, and use of extracorporeal circulation. We assessed 178 patients (89 patients in each group) undergoing myocardial revascularization, and the following variables were considered: dyslipidemia, systemic hypertension, smoking, diabetes mellitus, previous myocardial revascularization surgery, previous coronary angioplasty, and acute myocardial infarction.