Case Report
Copyright ©The Author(s) 2021.
World J Gastrointest Endosc. Jun 16, 2021; 13(6): 189-197
Published online Jun 16, 2021. doi: 10.4253/wjge.v13.i6.189
Table 1 Cases of primary aorto-enteric fistula

Tsai et al[18]
Lee et al[19]
Kim et al[20]
Mok et al[21]
Present case
Age in year, Sex 69, male86, female 63, male67, male74, male
Anatomic locationThird part of duodenumSigmoid colonSecond part of duodenumOesophago-jejunal anastomosisThird part of duodenum
Cause of PAEF Aortic aneurysmAortic aneurysmAortic aneurysmInfectious thoracic pseudo-aneurysm; oesophago-jejunal anastomotic leakAortic aneurysm
Endoscopic finding Vessel-like bleeding with blood clot adhesionNodular lesion with central dimpling (small, depressed area)Active bleeding Oozing blood and blood clotMucosal erosion/nodular lesion with central depression and blood clot; Pulsating aorta underneath
Endoscopic treatment Epinephrine and haemoclipsElectro-coagulation and haemoclipsHaemoclips aloneFibrin sealantHaemoclips alone
Endoscopic outcomeSuccessful haemostasisInitial haemostasis, rebleedingSuccessful haemostasisSuccessful closure of fistulaSuccessful haemostasis
Following treatmentOpen surgical repair of the aneurysm and bowelAngiographic embolizationEndovascular stent repair with angiographic embolization and open surgical repair of the bowelEndovascular stent repair with drainage of aneurysm sac (performed before endoscopic treatment) None
Outcome Alive at 24 mo follow-upDied during the angiographic procedureAlive at 12 mo follow-upAlive at 14 mo follow-up Died 14 mo after endoscopy