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Arch Ital Urol Androl. 2011 Mar;83(1):57-9.

Stenting after ureteroscopy for ureteral lithiasis: results of a retrospective study.

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Unità Complessa di Urologia, Ospedale Ca' Foncello, Treviso, Italy.



Routine ureteral stenting after ureteroscopy for stone removal is common. However ureteral stent negatively impact quality of life and can cause significant morbidity. This study was carried out to report our experience.


A total of 529 patients underwent ureteroscopy for the treatment of ureteral stones. In 436 pts (82%) a stent was placed, in 281 double J (removed within 2-4 weeks) and in 155 mono J (removed within 24 h). Ninethy-three did not received stenting. At 24 hour the mesaured outcomes were post operative pain, fever and hematuria, at 4 weeks need for hospital care (readmission or visit in the clinic) for lower urinary tract symptoms (LUTS), hematuria, fever or pain.


No significant difference was observed between two groups regarding the complications at 24 hour after the treatment ( pain p = 0.6, fever = 0.7, hematuria p = 0.8). At 4 weeks after the ureteroscopy the incidence of LUTS, hematuria, pain and fever requiring the need for hospital care (readmission or visit in the clinic) was higher in the group with double J stent respect to the group with mono J stent (p < 0.05). At 3 months follow-up no difference was oberved between the two groups regarding stone-free rate and incidence of ureteral stricture formation.


Routine stenting is necessary after ureteroscopy for ureteral lithiasis to prevent pain and fever without difference in stone free rate and incidence of stricture formation rate between the two groups. LUTS, hematuria and/or pain needing for hospital care were more frequent in the group with double J stent in spite of high stone free rate and low incidence of stricture formation. Further prospective randomized studies are needed to assess the role of using "short" and "long-term" stenting after ureteroscopy lithotripsy, considering that the choice actually depends on the surgeon's intraoperative judgment.

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