Abstract
Peripheral artery diseases are a worldwide medical and social problem. Approximately 30 % of patients with critical limb ischemia will undergo amputations and 25 % will die after 1 year. These patients require reconstructive and angioplastic interventions to preserve the limb.
 The aim of the study is to compare the effectiveness of different endovascular surgical technologies in patients with multilevel steno-occlusive lesions of the infrarenal aortic arteries.
 Materials and methods. Among 243 endovascular interventions, 51 patients were presented with multilevel steno-occlusive lesions of the infrarenal aortic arteries as a result of atherosclerosis obliterans. 42 patients (82.4 %) had two-level lesions and 9 (17.6 %) had three-level lesions.
 Results. Among 42 patients with a two-level lesion, 29 (56.9 %) ones had femoral arterial segment affection in combination with tibial artery affection. 13 (25.5 %) patients suffered from the lesion of the iliac segment in combination with the affection of the femoral segment arteries. In 9 (17.6 %) patients the lesions of three or more levels were determined: an iliac segment in combination with femoral and popliteal arteries – in 4 patients, and in 2 patients there were lesions of the femoral, popliteal and tibial segments, in 3 patients there was a lesion of the iliac, femoral, popliteal and tibial-foot segments in different degrees of severity.
 7 balloon angioplasties and 13 stenting procedures were performed in two and three-level lesions in which the iliac arterial segment was affected. Only balloon angioplasty was used to revascularize the infraingvinal arterial segments. In the early postoperative period, the complications included thrombosis appeared in 6 patients. It was possible to restore the blood flow and save the limb only in 3 persons. For the other 3 ones, the attempts to restore the patency of the arteries were unsuccessful and resulted in the amputation of the lower extremity. Mortality in the early postoperative period was 3.9 % (2 death due to myocardial infarction).
 Conclusions. The persons with multilevel steno-obstructive lesions of the infrarenal aortic arteries are the most difficult category of patients with CLI. The surgical method of choice for patients with multilevel steno-occlusive lesions is the endovascular angioplasty with or without stenting.
Highlights
Peripheral artery diseases are a worldwide medical and social problem
202 million people were affected with peripheral artery diseases in 2010 [2]
(2021), «EUREKA: Health Sciences» Number 6 by 28.7 % in low-income countries and by 13.1 % in high-income countries [4]. It depends on many factors: aging of the population as demographic trends, genetic and dietary disturbances, smoking, diabetes mellitus can lead to critical leg ischemia [5, 6]
Summary
Peripheral artery diseases are a worldwide medical and social problem. Lower extremity peripheral artery disease ranks third place among atherosclerotic cardiovascular morbidity, right after coronary events and stroke [1]. From 2000 to 2010 the number of these patients increased (2021), «EUREKA: Health Sciences» Number 6 by 28.7 % in low-income countries and by 13.1 % in high-income countries [4] It depends on many factors: aging of the population as demographic trends, genetic and dietary disturbances, smoking, diabetes mellitus can lead to critical leg ischemia [5, 6]. From 1 % to 2 % of persons with atherosclerotic lesions of lower extremities suffer from critical limb ischemia (CLI) as the most severe form of the peripheral arterial disease [2, 10]. It means the use of a variety of revascularization techniques to increase distal blood flow and reduce the risk of amputation [2, 11]. This gives hope to improve the quality of life for such patients and reduce the mortality and amputation rate
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