Survival into adulthood in patients with an interrupted aortic arch (IAA) is exceedingly rare. A recent literature review found 25 reported cases of IAA in adults. We describe the first case of prolonged, occult, postoperative gastrointestinal bleeding as a major complication following IAA surgery. We discuss the management of a 51-year-old man who underwent repair of an IAA, aortic valve replacement, and replacement of the ascending aorta for a known aortic aneurysm.
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