Superior mesenteric artery syndrome: an uncommon complication of abdominal aortic aneurysm repair.
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The superior mesenteric artery syndrome (SMAS) is an uncommon finding, especially when occurring after open abdominal aortic aneurysm (AAA) repair. Very few cases have been previously reported in the literature. The underlying anatomic mechanism as well as a better way to manage this complication remains controversial. We report a case of well-documented duodenum obstruction occurring after an elective, uneventful open AAA repair in an 83-year-old white male. The patient was initially discharged from hospital on the fifth postoperative (PO) day but was readmitted on the seventh PO day with suspicion of intestinal obstruction caused either by adhesions or extrinsic pressure by a retroperitoneal hematoma. A laparotomy carried out on the 10th PO day was unremarkable and the patient continued vomiting until a left lateral decubitus positioning was assumed. The patient was discharged home on the 19th PO day and has remained well since.