Superior mesenteric artery syndrome after lung transplantation: a rare early gastrointestinal complication of lung transplantation

Abstract

Gastrointestinal complications sometimes occur after lung transplantation and remain a cause of postoperative morbidity. Superior mesenteric artery syndrome is caused by the compression of the duodenum by the superior mesenteric artery, but few reports have described superior mesenteric artery syndrome after lung transplantation. We herein report two cases of superior mesenteric artery syndrome as an early complication after lung transplantation. Both patients were emaciated and had lost weight before transplantation. They also lost an additional 2–4 kg early after transplantation. They were medically treated with enteral nutrition and recovered without recurrence of the syndrome. Since critically ill patients with pulmonary disease usually lose weight both before and early after lung transplantation, superior mesenteric artery syndrome is important to consider in the differential diagnosis of gastrointestinal complications after transplantation.

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