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Presented herein are the results of treatment of 137 patients with infrarenal aneurysms of the abdominal portion of the aorta in a combination with ischaemic heart disease. Severity of lesions to the coronary bed and the risk of cardiac complications were assessed according to the SYNTAX score. Depending on severity of angina pectoris and the clinical course of infrarenal aortic aneurysms, we used different tactical approaches to operative treatment of patients. In a low risk of coronary complications, we performed isolated prosthetic repair or endoprosthetic reconstruction of the abdominal aorta. In patients with haemodynamically significant lesions of the coronary bed and positive non-invasive tests, the first stage consisted in coronary artery bypass grafting or stenting of coronary arteries taking into account the risk of cardiac complications according to the SYNTAX Score. The second stage consisted in prosthetic repair or endoprosthetic reconstruction of the abdominal aorta. The terms of the second stage differed and were determined by the course of abdominal aortic aneurysms. In symptomatic large aneurysms (more than 8 cm), prosthetic repair of the abdominal aorta was carried out within 2 weeks after previous stenting of coronary arteries. Simultaneous myocardial revascularization and abdominal aortic reconstruction were performed only in patients with severe angina pectoris, lesions of the trunk of the left coronary artery, three-vessel lesions of the coronary bed, high risk of cardiac complications according to the SYNTAX Score and a complicated or symptomatic course of an infrarenal aortic aneurysm. During implantation of stent grafts into the abdominal aorta there were neither lethal outcomes nor cardiac complications. In open operations, the 30-day mortality rate amounted to 2.2%, with the 5-year survival rate of 92%.