Article

Endoscopic balloon dilation of ileal pouch strictures.

Department of Gastroenterology/Hepatology, Center for Inflammatory Bowel Disease, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA.
The American Journal of Gastroenterology (Impact Factor: 7.55). 01/2005; 99(12):2340-7. DOI:10.1111/j.1572-0241.2004.40604.x
Source: PubMed

ABSTRACT Restorative proctocolectomy with ileal pouch-anal anastomosis is the surgical treatment of choice in patients with ulcerative colitis. Strictures can occur at the inlet and outlet of the pouch. Endoscopic balloon dilation has been successfully used in patients with Crohn's strictures at the small intestine and colon. There are no published trials on endoscopic balloon therapy of ileal pouch strictures.
To evaluate outpatient endoscopic balloon dilation of strictures in ileal pouches.
Patients underwent nonfluoroscopy-guided, nonsedated, outpatient endoscopic dilations with an 8.6-mm upper endoscope and through-the-scope balloons (size: 11-18 mm). Pre- and posttreatment Pouchitis Disease Activity Index symptom scores (range: 0-6), endoscopic stricture scores based on resistance in passing the endoscope (range: 0-4), and Cleveland Global Quality of Life were compared.
Nineteen patients with pouch strictures who had concurrent Crohn's disease of the pouch (n = 11), cuffitis (n = 5), and pouchitis (n = 3), including 14 inlet and 14 outlet strictures, were enrolled. The mean number of strictures for each patient was 1.61 +/- 0.78. All strictures were successfully dilated with the through-the-scope balloon, with a mean of 1.74 +/- 1.19 (range: 1-5) sessions for each patient. Nine patients had a second endoscopy at 8 wk and five patients had a third pouch endoscopy at 16 wk after the initial endoscopic dilation. Endoscopic stricture scores immediately (0.30 +/- 0.47), 8 wk (0.40 +/- 0.51), and 16 wk (0.44 +/- 0.76) after the dilation were significantly improved compared to the predilation stricture scores (2.67 +/- 0.78). The symptom scores and quality-of-life (QOL) scores improved at week 8 and 16 following dilation, with a mean follow-up of 6.10 +/- 5.83 months (2-25 months). No complications were experienced with the procedure. One patient with CD who failed endoscopic and medical therapy underwent pouch resection.
In conjunction with medical therapy, outpatient endoscopic balloon dilation appears safe and effective in treating pouch inlet and outlet strictures, by relieving symptoms, restoring pouch patency, and improving QOL in the majority of patients.

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    ABSTRACT: Approximately 20%-30% of patients with ulcerative colitis will eventually require colectomy despite recent advances in medical therapy. Ileal pouch-anal anastomosis has become the surgical treatment of choice. A subset of patients with ileal pouches can develop Crohn's disease or a Crohn's-disease-like condition of the ileal pouch after surgery. Diagnosis, differential diagnosis, and management of Crohn's disease of the ileal pouch have been challenging. A combined assessment of clinical history, endoscopy, histology, abdominal/pelvic imaging, and examination under anesthesia is often necessary for accurate diagnosis, disease classification, management, and prognosis. A multidisciplinary approach with gastroenterologists, colorectal surgeons, gastrointestinal pathologists, and radiologists is advocated.
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    ABSTRACT: Background: Pouchitis appears to be the most common complication after restorative proctocolectomy. Material/Methods: In experimental models we investigated the correlation between the width of anastomosis and the frequency of pouchitis. Twenty-three Wistar rats underwent restorative proctocolectomy under pentobarbital anesthesia. Normal width anastomosis was performed in 11 animals (Group I). In the remaining 12 animals (Group II) the diameter of anastomosis was reduced by 50%. All animals were sacrificed and the pouch mucosa was histologically (Moskowitz score) and immunohistochemically (IL-1, IL-6, IL-10, IL-12 expression) examined. Results: Morphological assessment of pouchitis symptoms based on Moskowitz scale revealed considerably more severe inflammation (p=0.0079) in the animals from Group II than in the rats from Group I. The expressions of investigated cytokines, assessed qualitatively in histopathological examination, were higher in rats with narrow anastomosis in comparison with animals with normal anastomosis. Conclusions: The stricture of anastomosis increases the intensity of pouchitis and stimulates the production of interleukins. It seems that anastomotic stricture plays an important role in the development of pouchitis.
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