Spontaneous Biliary Enteric Fistulas

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Abstract
Biliary enteric fistulas usually occur as a complication of chronic cholelithiasis, may be difficult to document preoperatively, and often pose problems in surgical management. We reviewed 13 cases of spontaneous biliary enteric fistulas to identify methods of diagnosis, management, and complications. There was no specific set of clinical symptoms or signs that led to the diagnosis of a fistula. In six cases the diagnosis was made preoperatively by x-ray films showing pneumobilia, gallstone in the small bowel, or fistula. Initial surgical treatment included cholecystectomy in six cases, small bowel enterotomy and removal of gallstones in four, and vagotomy and antrectomy in one case. Two patients initially treated without operation were lost to follow-up. Eight complications occurred in six patients, and there were three deaths due to underlying cardiac disease. The morbidity and mortality of biliary enteric fistulas associated with chronic cholecystitis may be avoided by performing elective cholecystectomy when the patient is in optimal condition.

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