Table 1.

Potential Vascular Complications in Critically Ill Patients with COVID-19

	Complication	Organ Affected
Macrovascular
Venous	Deep vein thrombosis	Extremities, pelvic
	Pulmonary embolism	Lung
	In situ pulmonary thrombosis*	Lung
Arterial	Stroke	CNS
	Myocardial infarction	Heart
	Mesenteric ischemia	Gut
	Limb Ischemia	Extremities
Microvascular	Thrombosis	Lung, heart, intestines, kidneys, and skin
Extracorporeal	ECMO oxygenator clotting	N/A
	Renal replacement filter clotting	N/A

Definition of abbreviations: CNS = central nervous system; COVID-19 = coronavirus disease; ECMO = extracorporeal membrane oxygenation; N/A = not applicable.

Vascular complications in patients with COVID-19 that have been reported in the literature and organs involved (both reported and extrapolated).

^*Postulated mechanism that is not reported in the literature as of this writing.