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  • Title: Efficacy and safety of endoscopic balloon dilation for Crohn's strictures.
    Author: Nomura E, Takagi S, Kikuchi T, Negoro K, Takahashi S, Kinouchi Y, Hiwatashi N, Shimosegawa T.
    Journal: Dis Colon Rectum; 2006 Oct; 49(10 Suppl):S59-67. PubMed ID: 17106817.
    Abstract:
    PURPOSE: This study was designed to investigate retrospectively the efficacy and safety of endoscopic balloon dilation for intestinal strictures in Crohn's disease. METHODS: Sixteen patients with 20 strictures were treated. The stricture sites were as follows: at the ileocolonic (n = 6) or ileoileal (n = 1) anastomosis, in the colon (n = 10), ileum (n = 2), and at the ileocecal valve (n = 1). The dilations were performed with through-the-scope balloons, with diameters of 15 to 20 mm on inflation and lengths of 30 to 80 mm. RESULTS: In 15 of 16 patients, the strictures were successfully dilated and the symptoms caused by the strictures disappeared after the first session. The patients were followed for a median of 38.5 months. Repeat symptomatic stricture formation occurred after a mean of 19.7 months in seven patients. Four patients needed second-round dilation and three patients were treated surgically. Complications occurred in four patients who had primary strictures: bleeding in one, high fever in one, and colorectal perforation in two. One of the patients complicated with colorectal perforation was treated surgically, and the other was treated conservatively. The cumulative nonsurgical rates for the dilation strictures were 93 percent at 12 months and 65 percent at 36 months, respectively. Three patients were treated surgically because of strictures or fistulas that were not related to the procedure of dilation. As a whole, the cumulative nonsurgical rates were 81 percent at 12 months and 46 percent at 36 months. Nine patients (56.3 percent) were able to avoid surgery. CONCLUSIONS: Using endoscopic balloon dilation, it may be possible to avoid or postpone surgery. Primary strictures seem to have increased risk of perforation.
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