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Management of gastro-intestinal emergencies in patients with ileal conduit ureteral diversion.
Journal of Visceral Surgery 2022 June 9
Radical cystectomy with urinary deviation is performed increasingly in France. Ileal conduit ureteral diversion (ICUD), described by Bricker and widely used after this type of radical resection, leads to substantial anatomic modifications that are potential danger zones during subsequent gastro-intestinal or urinary tract operations. Injury to the urinary diversion apparatus can lead to disastrous complications in these patients who are often elderly and frail. General surgeons are most often called upon to re-operate these patients, either for an ICUD-related gastro-intestinal complication, or for an unrelated abdominal emergency that arises later (bowel obstruction, infection, cancer). During such operations, certain anatomic structures are particularly exposed to injury that may be irreversible, particularly, the mesentery of the ileal conduit and the left ureter. Approaching the right lower quadrant, the dissection of the ileo-ileal anastomosis or of the left mesocolon are the procedures or maneuvers that pose the most risk. A number of simple but effective preventive measures are available and must be known, such as to operate the patient with an urologist or to insert ureteral stents before surgery. Preoperative contrast-enhanced computed tomography with late phase urinary imaging is essential to assess the anatomic modifications and anticipate the operative procedural steps. Finally, one should not hesitate to disinsert the stoma and proceed with retrograde dissection, thus facilitating the identification of the ileal conduit, the mesentery and the ureters.
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