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Related Experiment Videos

[Transurethral endoureteropyelotomy]

T Takeuchi1, Y Nagatani, S Ishihara

  • 1Department of Urology, Gifu Prefectural Hospital.

Nihon Hinyokika Gakkai Zasshi. the Japanese Journal of Urology
|May 1, 1993
PubMed
Summary

Transurethral endoureteropyelotomy effectively treated ureteropelvic junction obstruction and ureteral strictures in 84% of patients. This minimally invasive procedure offers a safe alternative without requiring percutaneous nephrostomy.

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Area of Science:

  • Urology
  • Endourology
  • Surgical Innovation

Context:

  • Ureteropelvic junction obstruction and ureteral strictures are significant causes of upper urinary tract obstruction.
  • Traditional surgical approaches can be invasive and carry risks.
  • Endourological techniques offer less invasive alternatives for managing these conditions.

Purpose:

  • To evaluate the efficacy and safety of transurethral endoureteropyelotomy for primary ureteropelvic junction obstruction and ureteral strictures.
  • To assess clinical and radiological outcomes, operative time, and hospital stay.
  • To determine the suitability of this retrograde approach as a less invasive treatment option.

Summary:

  • Transurethral endoureteropyelotomy was performed on 37 patients with primary ureteropelvic junction obstruction or ureteral strictures.

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  • Radiographical improvement of hydronephrosis was observed in 84% of patients (31/37) at a mean follow-up of 15.8 months.
  • Clinical success rates varied by condition: 92% for primary UPJ obstruction, 86% for upper ureteral strictures, and 78% for lower ureteral strictures.

    • Impact:

    • The procedure demonstrated high success rates and a favorable safety profile, with no major complications reported.
    • It offers direct access to strictured segments without necessitating percutaneous nephrostomy, minimizing invasiveness.
    • Transurethral endoureteropyelotomy presents a clinically useful and safe endourological option for managing UPJ obstruction and ureteral strictures.