aortoenteric fistula

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aortoenteric fistula2016-11-24T01:56:49+00:00

aortoenteric fistula

GASTROENTEROLOGY, SURGERY

A fistulous (abnormal) communication between the aorta and the GI tract.

Types

• Primary Über rare, occur de novo, i.e., without prior intraabdominal intervention or surgery, and are typically due to pressure erosion from atherosclerotic plaques in an abdominal aortic aneurysm–AAA

• Secondary Relatively common–0.4% to 3.1% of recipients of stent grafts for AAA repair, complication of aortic reconstructive surgery.

Diagnosis Aortoenteric fistula is diagnosed by the presence of periaortic ectopic gas 3 or more weeks after surgery or endovascular repair. 

References http://radiographics.rsna.org/content/29/2/537/F33.expansion.html

Cleveland Clin J of Med 2013; 80:363-8

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