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Related Experiment Video

Updated: Jul 6, 2026

Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis
03:57

Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis

Published on: July 8, 2025

Late failures after laparoscopic pyeloplasty.

Rabii Madi1, William W Roberts, J Stuart Wolf

  • 1University of Michigan Health System, Ann Arbor, Michigan 48109, USA.

Urology
|April 5, 2008
PubMed
Summary
This summary is machine-generated.

Laparoscopic pyeloplasty shows an 83% long-term success rate, but unexpected late failures can occur years after surgery. Symptomatic patients may not require routine radiographic follow-up beyond one year.

Related Experiment Videos

Last Updated: Jul 6, 2026

Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis
03:57

Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis

Published on: July 8, 2025

Area of Science:

  • Urology
  • Minimally Invasive Surgery

Background:

  • Laparoscopic pyeloplasty is a common surgical procedure for ureteropelvic junction obstruction.
  • Understanding long-term outcomes and failure patterns is crucial for patient management.

Purpose of the Study:

  • To evaluate the long-term success rates and failure patterns of laparoscopic pyeloplasty.
  • To identify factors associated with surgical success and failure.

Main Methods:

  • Retrospective review of 65 consecutive transperitoneal laparoscopic pyeloplasties.
  • Analysis of perioperative data, intraoperative findings, and long-term follow-up.
  • Categorization of obstructions into primary and secondary, and assessment of repair techniques.

Main Results:

  • Overall success rate at 1 year was 88%, with a long-term success rate of 83%.
  • 7% of patients failed within 1 year, and 3 patients experienced late recurrences 2-6 years postoperatively.
  • Major complications (14%) were related to urinary leakage or ureteral obstruction; 30% of failures occurred 2+ years post-surgery.

Conclusions:

  • Laparoscopic pyeloplasty has a high success rate, but late failures can occur unexpectedly.
  • The occurrence of late recurrences suggests the need for continued vigilance in symptomatic patients.
  • Radiographic follow-up after one year may not be necessary for asymptomatic patients, but symptomatic patients warrant evaluation.