Table 1.

Potential clinical manifestations of AAAs

Pathophysiology	Related clinical manifestations of AAA
Compression of adjacent structures	• Abdominal pain
	• Chronic flank or back pain, vertebral effacement
	• Ureteral obstruction and hydronephrosis
	• Infection of the aneurysm wall
Acute or subacute symptoms caused by change in the aneurysm	• Sudden expansion of the aneurysm
	• Intramural hematoma
	• Aortoenteric fistula with intestinal bleeding
	• Contained retroperitoneal rupture
	• Distal arterial embolism of aneurismal thrombus
	• Hypotension
	• Lactic acidosis
	• Lethargy, coma
Peritoneal free rupture	• Coagulopathy
	• Multisystem organ failure

AAA indicates abdominal aortic aneurysm.