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  • Title: Secondary aortoduodenal fistula complicating aortic grafting, as a cause of intermittent chronic intestinal bleeding.
    Author: Yabu M, Himeno S, Kanayama Y, Furubayashi T, Kiriyama K, Nagasawa Y, Takakura R, Katata T, Iwao N, Orino A.
    Journal: Intern Med; 1998 Jan; 37(1):47-50. PubMed ID: 9510399.
    Abstract:
    Intermittent intestinal bleeding persisted in a 77-year-old male, who had undergone grafting for abdominal aortic aneurysm. Each attack lasted for a few weeks and spontaneously resolved. Only a minute abnormality was found in the third portion of the duodenum; barium studies showed a segmental narrowing, but endoscopy disclosed only a small erosion in that portion. Massive and fatal gastrointestinal hemorrhage broke out 6 months after the onset of bleeding. Autopsy revealed an adhesion area with a small fistula formation between the duodenum and aorta. Even slight endoscopic findings should be considered suggestive of aortoenteric fistula in patients after aortic surgery.
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