Ischemia(12) Infection(11) COVID-19(11) Patient(10) limb(9) thrombosis(9) COVID-19 infection(7) surgical(7) Vascular(6) pandemic(6) COVID-19 pandemic(5) Coagulopathy(5) patient with COVID-19(5) outcome(5) Coronavirus disease 2019(5) positive(5) described(5) Complication(4) Admission(4) acute respiratory syndrome(4) Characteristics(4) surgery(4) coronavirus(4) retrospective(4) arterial(4) age(4) Laboratory tests(4) COVID19(3) arteries(3) Evidence(3)