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  • Title: Surgical management of ileosigmoid fistulas in Crohn's disease: role of preoperative colonoscopy.
    Author: Saint-Marc O, Vaillant JC, Frileux P, Balladur P, Tiret E, Parc R.
    Journal: Dis Colon Rectum; 1995 Oct; 38(10):1084-7. PubMed ID: 7555424.
    Abstract:
    PURPOSE: Surgical treatment of ileosigmoid fistulas in Crohn's disease remains controversial and can be radical (resection of both segments) or conservative (ileal resection with suture or wedge resection of the sigmoid). At our institution, the sigmoid defect is sutured if the sigmoid is not affected by primary Crohn's disease or by important stricture; otherwise, the sigmoid is resected. We reviewed our experience to evaluate our results with this procedure. METHODS: Thirty patients with ileosigmoid fistulas underwent operation. Among them, 15 had a preoperative colonoscopy, whereas others had no endoscopic work-up. In nine patients, the sigmoid was thought to be affected by Crohn's disease (n = 7) or stricture (n = 2) and was resected. In 21 patients, the sigmoid was thought to be affected by proximity, and a simple suture (n = 15) or wedge resection (n = 6) was performed. Eleven patients had a temporary stoma (37 percent). One had coloprotectomy. RESULTS: One patient died postoperatively. One patient had postoperative sigmoidocutaneous fistula after conservative treatment. Histology of the sigmoid specimen showed Crohn's disease in 8 patients (27 percent), including 5 of 9 resected specimens, and 3 of 21 conservative procedures. All patients with Crohn's misdiagnosis did not have preoperative colonoscopy. Nine of 11 stomas were closed in a median delay of four months. With a median delay of nine years, four patients have again undergone surgery for recurrent colonic Crohn's disease, all of whom underwent surgery initially without preoperative colonoscopy. CONCLUSION: Preoperative endoscopic assessment of the colon is a reliable guide to use when choosing between sigmoid resection or a conservative approach and can result in reduced morbidity and improved long-term results.
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