Outcome analysis of pyeloplasty in infants

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Updated: Oct 16, 2026

Laparoscopic Pyeloplasty via Transmesenteric Approach for Pediatric Ureteropelvic Junction Obstruction
06:08

Laparoscopic Pyeloplasty via Transmesenteric Approach for Pediatric Ureteropelvic Junction Obstruction

Published on: July 7, 2026

C H Houben1, A Wischermann, G Börner

  • 1Department of Paediatric Urology, Children's Hospital Cologne, Köln, Germany.

Pediatric Surgery International
|April 29, 2000
PubMed

Insights

Pyeloplasty in infants is a safe procedure for ureteropelvic junction (UPJ) obstruction, with most patients showing stable or improved kidney function post-surgery. Early correction of UPJ obstruction is recommended.

Area of Science:

  • Pediatric Urology
  • Surgical Outcomes
  • Renal Scintigraphy

Background:

  • Ureteropelvic junction (UPJ) obstruction is a common cause of congenital hydronephrosis in infants.
  • Decompensated UPJ obstruction can lead to significant renal dysfunction if left untreated.
  • Pyeloplasty is the gold standard surgical treatment for UPJ obstruction.

Purpose of the Study:

  • To evaluate the long-term outcomes of pyeloplasty in infants with decompensated UPJ obstruction.
  • To assess the safety and efficacy of pyeloplasty in this pediatric population.
  • To determine the impact of pyeloplasty on renal function using scintigraphy.

Main Methods:

  • Retrospective analysis of 186 infants undergoing pyeloplasty for UPJ obstruction between 1983 and 1996.
  • Emphasis on pre- and postoperative 123I hippuran scintigraphy/diuretic renograms.
  • Detailed review of pre- and postoperative management strategies.

Main Results:

  • A total of 203 pyeloplasties were performed; 3 children died, and 1 required nephrectomy.
  • Postoperative scintigraphy (n=156) showed stable renal function in 64% and >5% improvement in 27%.
  • Renal function deteriorated by >5% in 7% of cases.

Conclusions:

  • Pyeloplasty in infants is a low-risk procedure with favorable outcomes.
  • The study supports the early surgical correction of UPJ obstruction in infants.
  • Diuretic renography is a valuable tool for assessing pyeloplasty outcomes.

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