acetylsalicylic acid; C reactive protein; creatine kinase; creatinine; D dimer; enoxaparin; lactate dehydrogenase; metformin; noradrenalin; urea; abdominal aorta; adult; adult respiratory distress syndrome; artery occlusion; artery thrombosis; Article; cardiovascular risk factor; case report; clinical article; clinical examination; common iliac artery; computed tomographic angiography; coronavirus disease 2019; creatine kinase blood level; creatinine blood level; cyanosis; diabetes mellitus; diabetic ketoacidosis; diabetic patient; disease predisposition; drug dose increase; electrocardiogram; fatality; fibrinogen blood level; free floating aorto iliac thrombosis; general condition deterioration; Glasgow coma scale; hospital patient; human; intensive care unit; intubation; lactate dehydrogenase blood level; leg amputation; leg artery; leg ischemia; male; middle aged; multiple organ failure; noninvasive ventilation; North African; pathophysiology; platelet count; polymerase chain reaction; SARS-CoV-2 Delta; urea blood level; x-ray computed tomography; Aorta; covid19; Ischemia; Thrombosis