Objective: The incidence of ureterointestinal strictures following urinary diversion ranges from 4 to 8%. Traditionally, the treatment consists of open ureteral reimplantation. During the last decade, however, percutaneous techniques have gained increased interest for treatment of these strictures. We evaluated the outcome of anterograde percutaneous treatment of ureterointestinal strictures after urinary diversion. Methods: Since 1985, we attempted treatment of 15 ureterointestinal strictures, either by percutaneous anterograde dilatation (n = 10) or cold-knife incision (n = 2). In 3 patients the stricture could not be passed with a guide wire, precluding percutaneous treatment. Anterograde dilatation was performed with semirigid fascial dilators in 6 patients and additionally with a Griintzig balloon catheter in 4. Routinely,following a successful procedure, a 12-Fr multihole stent was left in place for 6 weeks. Results: Restenosis was seen in 4 patients 2, 2, 19, and 36 months,respectively following the procedure. In 8 patients no stenosis developed so far(follow-up 8-96 months). Morbidity after the procedure consisted of fever after nephrostomy puncture in 1 patient and stent occlusion in another. Both were managed conservatively. Conclusion: Anterograde percutaneous treatment of ureterointestinal strictures after urinary diversion is a safe primary procedure with a permanent success rate in half of the patients (53%).

Keywords:
Endourology, Ureterointestinal strictures, Anterograde percutaneous treatment, Urinary diversion
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1996
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