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Related Experiment Videos

Endopyelotomy for horseshoe and ectopic kidneys

M E Jabbour1, E R Goldfischer, K G Stravodimos

  • 1Department of Urology, Long Island Jewish Medical Center, Albert Einstein College of Medicine, New Hyde Park, New York, USA.

The Journal of Urology
|August 28, 1998
PubMed
Summary

Percutaneous antegrade endopyelotomy offers a safe and effective treatment for ureteropelvic junction obstruction in patients with horseshoe and ectopic kidneys. This minimally invasive approach achieved long-term success in 78% of cases.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Nephrology

Background:

  • Horseshoe and ectopic kidneys present unique anatomical challenges for treating ureteropelvic junction obstruction.
  • Traditional surgical approaches may have limitations in these complex cases.

Purpose of the Study:

  • To report the largest series to date on endopyelotomy for horseshoe and ectopic kidneys.
  • To discuss technical modifications for successful percutaneous antegrade endopyelotomy in these specific renal anomalies.

Main Methods:

  • Percutaneous antegrade endopyelotomy was performed in 9 patients (4 horseshoe, 5 ectopic) with symptomatic ureteropelvic junction obstruction.
  • Key technical modifications included a posteromedial puncture, lateral ureteropelvic junction incision, and laparoscopic guidance for pelvic kidneys.

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Main Results:

  • The procedure was uneventful in all patients, with no major complications.
  • Long-term clinical and radiographic success was achieved in 78% of patients (7 out of 9) with a mean follow-up of 62 months.
  • Failure occurred in 22% of cases with severe hydronephrosis and long ureteral strictures.

Conclusions:

  • Percutaneous antegrade endopyelotomy, with specific technical adjustments, is a safe and effective treatment option.
  • This approach addresses ureteropelvic junction obstruction in challenging renal anatomies like horseshoe and ectopic kidneys.