Journal
JOURNAL OF UROLOGY
Volume 164, Issue 3, Pages 648-650Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1016/S0022-5347(05)67272-2
Keywords
ureter; calculi; stent; urinary catheterization
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Purpose: We review our recent experience with encrusted retained ureteral stents associated with a large stone burden as well as current endoscopic options available for management. Materials and Methods: One man and 3 women presented to our department between May 1998 and April 1999 for treatment of an encrusted retained ureteral stent. One patient had a history of 3 episodes of ureteral stent encrustation during the last 6 years. We reviewed the management of these stents and the associated stone burden. Results: Average patient age was 32.5 years (range 25 to 41). Average interval that the encrusted stent remained in place was 7 months (range 3 to 12). In the 3 women pregnancy was associated with the retained stent. All patients required 2 to 6 endourological approaches (average 4.2) performed at 1 or multiple sessions to render them stone-free and stent-free. Postoperatively sepsis in 1 case necessitated a prolonged intensive care unit stay with eventual recovery. Conclusions: Successful management of a retained encrusted stent requires combined endourological approaches. Percutaneous nephrostolithotomy and ureteroscopy are often necessary for treating a severely encrusted stent and the associated stone burden.
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