Objective: Distal ureteral stones are routinely managed with semirigid ureteroscopy without the need for ureteral dilatation, but some conditions, e.g. large stone burden or difficult catheterization of the ureteral meatus, are time-consuming and would require a tool to facilitate multiple insertions of the ureteroscope and to avoid ureteral injury. An access sheath is now available and it facilitates ureteroscopy of the upper ureter. To answer the question whether its application could be expanded to the distal ureter is the aim of our paper. Patients and Methods: 12 distal ureteral stone patients, 8 with stone size >1 cm and 4 with a large prostate, underwent ballistic ureterolithotripsy with the aid of the Access Sheath. The results of the procedure were compared to a second group of 16 patients from our archives. Results: There was no significant difference in operating time and stone-free rate. Although no complications were related to the ureteroscopy, in 42% (5 patients) of the access group the procedure could be completed only after removing the sheath. Conclusion: The Access Sheath does not improve the results of the semirigid ureteroscopy of difficult stones in the distal ureter.

Keywords:
Stones, Distal ureter, Ureteroscopy, Access sheath
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© 2004 S. Karger AG, Basel
2004
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