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  • Title: Clinico-pathological follow-up after total colectomy and straight ileo-anal anastomosis done for ulcerative colitis.
    Author: Bapat RD, Bakhshi GD, Kantharia CV, Iyer AP, Joshi AS.
    Journal: Indian J Gastroenterol; 2002; 21(2):64-6. PubMed ID: 11990329.
    Abstract:
    BACKGROUND: Restorative proctocolectomy is used as surgical treatment for ulcerative colitis. We have earlier documented adaptative changes in the terminal ileum after total colectomy, and straight ileo-anal anastomosis. AIM: To correlate the morphologic and functional changes in the ileal mucosa after total colectomy and hand-sewn straight ileo-anal anastomosis for ulcerative colitis. METHODS: Thirty consecutive patients (age range 15-50 years, 24 men) who had undergone total colectomy, rectal mucosectomy and hand-sewn straight ileo-anal anastomosis for ulcerative colitis were included in the study. These patients were followed up at 3-monthly intervals following surgery for two years and later once every year for a median duration of 9.5 (range 1-17) years. The clinical parameters studied were weight gain, frequency of stools, nature of stools, nocturnal stool frequency and need for antidiarrheal drugs. At each follow-up visit they were subjected to per rectal ileoscopy with ileal biopsy and barium enema. Ileal biopsy was analyzed histologically and histochemically. RESULTS: The clinical features improved over time, with average weight gain of 5 (range 1-7) Kg at one year. Frequency of stools decreased from 8-10 per day to 2-3 per day. The stools became semisolid and there was no need for antidiarrheal drug by the end of one year. All the patients showed adaptative changes in the ileum. The ileal mucosa was completely transformed into colonic type by the end of one year, colonoscopically (spacious lumen characteristic of colon), radiologically (disappearance of ileal characteristics with rectosigmoid-like appearance), histologically (blunting of villi with increase in goblet cells), and histochemically (sialomucin pattern to sulfomucin pattern). CONCLUSIONS: The ileum undergoes adaptative changes with corresponding improvement of clinical parameters over time, after proctocolectomy and ileoanal anastomosis for ulcerative colitis.
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