What is the pathophysiology of traumatic enterovesical fistula?

Updated: Dec 24, 2020
  • Author: Joseph Basler, MD, PhD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Answer

Urethral disruption caused by blunt trauma or a penetrating injury can result in fistulae, but these fistulae are typically rectourethral in nature. Penetrating abdominal or pelvic trauma, such as a gunshot wound, may result in fistula formation between both small and large bowel, including the rectum with the bladder. In a recent review of complications of penetrating rectal and bladder injuries, fistula formation occurred only in the presence of bowel and bladder injuries. [27] Foreign bodies in the bowel (eg, swallowed chicken bones or toothpicks) and peritoneum (eg, lost gallstone during laparoscopic cholecystectomy) have been reported as a cause of colovesical fistulae. [28, 29, 30, 31, 32]


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