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Related Experiment Videos

Does a ureteral access sheath facilitate ureteroscopy?

J Kourambas1, R R Byrne, G M Preminger

  • 1Comprehensive Kidney Stone Center, Division of Urology, Department of Surgery, Duke University Medical Center, Durham, North Carolina, USA.

The Journal of Urology
|February 15, 2001
PubMed
Summary

Routine use of ureteral access sheaths in ureteroscopy can decrease operative time and costs. This study found no significant difference in complications or stone-free rates, suggesting their benefit in standard procedures.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery

Background:

  • Ureteral access sheaths (UAS) were developed to improve ureteroscopic access.
  • Formal evaluations of routine UAS use are limited.

Purpose of the Study:

  • To prospectively evaluate the routine use of a new ureteral access sheath in standard ureteroscopic procedures.
  • To analyze intraoperative time, symptomatic outcomes, complications, stone-free rates, and costs.

Main Methods:

  • Prospective randomized study comparing ureteroscopy with and without UAS.
  • Patients requiring ureteral dilatation were randomized to UAS or balloon dilator.
  • Postoperative symptoms, complications, stone-free rates, operative time, and costs were assessed.

Main Results:

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  • No significant difference in symptoms, complications, or stone-free rates for patients not requiring dilatation.
  • UAS dilatation resulted in fewer postoperative symptoms compared to balloon dilatation.
  • UAS use decreased operative time and costs.

    • Conclusions:

    • Routine ureteral access sheath use facilitates ureteroscopy, reducing operative time and costs.
    • UAS allows direct visualization and assists access with minimal morbidity.
    • Consideration of UAS for routine ureteroscopic procedures is recommended.