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Arterial Thrombosis and Acute Limb Ischemia as a Complication of COVID-19 Infection.

COVID-19 refers to viral respiratory infections and is the predisposing factor for the development of venous and arterial thrombotic events due to a pronounced inflammatory response, platelet activation, endothelial dysfunction, and stasis. Recent studies have confirmed a high incidence of thromboembolic events, especially in the group of patients with severe coronavirus pneumonia. There have been an increasing number of reports of peripheral arterial thrombosis as well. Most cases of arterial thrombosis are noted in critical ill patients in intensive care setting. However, an increase of adverse arterial events was also noted in cases of asymptomatic or mild forms of COVID-19. Herein, we report a case of patient with asymptomatic SARS-CoV-2 infection, who developed a threatening lower limb ischemia. Our own clinical observation suggests that COVID-19-associated arterial thrombosis can be successfully treated by embolectomy, administration of in-hospital parenteral anticoagulation, and continuation of antithrombotic therapy with a "vascular" dose of rivaroxaban after discharge.