Introduction. Acute limb ischemia is a critical condition requiring immediate revascularization. The risk of complications is affected by age, coronary heart disease, chronic kidney disease, respiratory failure, diabetes mellitus, thrombosis etiology, urgency and duration of surgery. The aim of the study was to evaluate the influence of the presented risk factors on the results of open revascularization for acute thrombosis in patients with acute COVID-19. Materials and methods. The results of open surgical treatment of acute limb ischemia of Rutherford class II in patients with acute COVID-19 (86 patients, group I) and 50 patients without COVID-19 (group II) were analyzed. Results. In-hospital mortality was 73.2% in group I and 12% in group II. Most deaths in group I were due to early rethrombosis. Risk factors - coronary heart disease, chronic kidney disease, diabetes mellitus, age >75 years had a greater negative impact in group I against the background of coronavirus infection. Conclusion. In patients in the acute stage of COVID-19, open revascularization is associated with a higher risk of complications and mortality in the early postoperative period relative to patients who underwent surgery without coronavirus infection. The impact of all the identified risk factors increases against the background of COVID-19, a statistically significant increase in the odds ratio of developing postoperative complications was found for such perioperative risk factors as: coronary heart disease, respiratory failure, polyvalent etiology of thrombosis and age over 75 years, among the intraoperative factors, the emergency nature of the operation and the duration of the surgical intervention are significant.
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