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Delayed bowel stenosis following subtotal resection of the small intestine for non-occlusive mesenteric ischemia.

Eito NakagawaYasuji SeyamaMikiya TakaoKeigo TaniHiroko OkinagaFang Yi ChenHiroki TabataJun NakahodoKazuro Chiba
Published in: Clinical journal of gastroenterology (2023)
We report herein a case of delayed bowel stenosis after surgery for non-occlusive mesenteric ischemia (NOMI), which was successfully treated with endoscopic stenting. The patient was a 78-year-old woman who underwent an emergency laparotomy for NOMI and duodeno-ileal anastomosis. Necrosis was observed in almost all areas of the small intestine except for the beginning of the jejunum and the end of the ileum. Postoperatively, the patient was discharged with central venous nutrition, but was readmitted on postoperative day 54 with a diagnosis of postoperative ileus. The patient failed to respond to conservative treatment. Fluoroscopic endoscopy revealed wall stiffness and circumferential stenosis in the ascending colon at a different site from that of the anastomosis. Based on this finding, delayed stenosis of the ascending colon after NOMI treatment was diagnosed. Bougie dilatation was performed for the stenosis, leading to temporary improvement. However, stenosis along with ileus soon recurred. To prevent restenosis, a metallic stent was endoscopically implanted at the stenotic site. Thereafter, the patient was discharged without any further episodes of restenosis. Delayed bowel stenosis may occur after a subtotal resection of the small intestine for NOMI. Endoscopic stenting is an effective treatment option if resection is difficult.
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