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pubmed:abstractText |
A total of 19 enterovesical fistulas were recorded in a series of 799 patients with Crohn's disease (2.4%). The origin of the fistulas was: ileum (9), colon (6) and four were complex involving the small and large bowel. Only 13 patients presented with urinary symptoms: pneumaturia (9), haematuria (1) and urinary tract infection (3). Four fistulas were identified incidentally during contrast radiology, one fistula was identified during a laparotomy and one further fistula developed after a previous resection for Crohn's disease. Four patients were managed conservatively and all are asymptomatic, but it is not known whether the fistula has healed. Twelve fistulas were resected: 9 healed, 2 recurred and 1 patient died following resection for a malignant fistula complicating Crohn's disease. Early in the series three patients were managed by bypass or defunction of the fistula. In all cases the sepsis persisted resulting in mortality. Persistent symptomatic fistulas should be treated by resection of the affected segment of bowel with primary anastomosis if appropriate. The defect in the bladder should be closed over an indwelling catheter which should not be removed until there is radiological confirmation that the bladder defect has healed satisfactorily.
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