Abstract
Total colectomy for Crohn's disease of the colon may be restorative with ileorectal anastomosis or with an ileostomy and rectal stump. The present paper retrospectively audits the results of total colectomy and in particular assesses the number of patients who had a permanent ileostomy and whether this was related to disease in the rectum at the time of the original operation. A retrospective case note review was undertaken of patients operated upon between 1968 and 1994. Thirty-eight patients were identified (mean age 35 years; range 17-65 years). One patient died perioperatively from an anastomotic leak. Median follow-up for the remaining patients was 7 years (range 1-29 years). Ileorectal anastomosis was performed in 17 patients and total colectomy and ileostomy in 20 patients. Indications for surgery were failure of medical treatment (61%); toxic colitis (18%); abscess (8%); perforation (5%); large bowel obstruction (5%); and colovesical fistula (3%). Subsequent proctectomy (14 patients, 38%) was more likely with subtotal colectomy and ileostomy (nine patients, 45%) than ileorectal anastomosis (five patients, 29%). This was not statistically significant (P = 0.33). Additionally, seven patients had diversion of the rectum making 21 with an ileostomy (57%). Rectal involvement at the time of the original procedure significantly increased the likelihood of permanent ileostomy (P = 0.001). The presence of anal disease did not increase the prospect of ileostomy. One patient died with advanced adeno carcinoma in a defunctioned rectum. A permanent ileostomy after total colectomy for Crohn's disease is common and significantly more likely with rectal involvement.
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