A retrospective study of thirty seven patients with myocardial infarction who underwent myocardial revascularization surgery was accomplished. Two groups of patients were established for the comparative study. The first group consisted of patients operated on within 30 days of the myocardial infarction and the second group was composed of patients operated on after that time. Both groups had similar characteristics: age, sex, affected heart region, coexistence or not of diabetes mellitus or arterial hypertension, and cardiogenic shock. Overall surgical mortality was 13.5% (4 deaths out of 18 patients in group I and 1 death out of 19 patients in group II - p = 0.180). When patients operated on within the first 72 hours of myocardyal infarction were excluded and both groups were compared, overall mortality was 5.9% (one death out of 15 patients in group I; one death out of 19 patients in group II - p = 1.0. Based on previous reports, it is believed that surgery for myocardial revascularization can be safely accomplished especially after the first 72 hours of the ischemic event.
Myocardial revascularization; Myocardial infarction; Myocardial revascularization
