blood clotting factor 8; creatine kinase; creatinine; cytokine; D dimer; endogenous compound; fibrinogen; haptoglobin; hemoglobin; heparin; interleukin 6; abdomen; aged; ambient air; angiogenesis; ankle brachial index; anticoagulation; artery thrombosis; artificial ventilation; asymptomatic carrier; blood clot lysis; blood clotting; cardiovascular symptom; case report; clinical article; complication; conference abstract; coronavirus disease 2019; diabetes mellitus; disseminated intravascular clotting; drug combination; drug therapy; drug withdrawal; dry gangrene; duplex Doppler ultrasonography; echocardiography; emergency ward; endothelium injury; gangrene; ground glass opacity; heart atrium; heart ejection fraction; heart septum defect; hemodialysis; human; hydration; hypertension; hypoxia; infarction; international normalized ratio; intravenous drug administration; kidney failure; knee; lower limb; lung embolism; male; mental health; multicenter study (topic); multiple organ failure; nervous system; nonhuman; oliguria; outcome assessment; oxygen saturation; pelvis; platelet count; prognosis; renal artery thrombosis; respiratory failure; Severe acute respiratory syndrome coronavirus 2; shunting; smoking; surgery; thorax; thrombocytopenia; thrombosis; thrombotic thrombocytopenic purpura; thrombus; tibial artery; toe gangrene; vein thrombosis