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Outcome analysis of pyeloplasty in infants
C H Houben1, A Wischermann, G Börner
1Department of Paediatric Urology, Children's Hospital Cologne, Köln, Germany.
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.
Abstract:
The study examined the outcome of pyeloplasties done for decompensated ureteropelvic junction (UPJ) obstruction in infancy over a 13-year period. In a retrospective study, 186 children who underwent pyeloplasty in infancy were analysed with particular emphasis on the pre- and postoperative findings of 123I hippuran scintigraphy/diuretic renograms. The pre- and postoperative management is outlined in detail. The 186 patients underwent a total of 203 pyeloplasties during the period from January 1983 to 31 December 1996. Three children died; one required a nephrectomy. The postoperative scintigrapic results of 156 children (85%) done about 12 months after surgery were available for evaluation: 101 (64%) showed stable renal function and 43 (27%) revealed more than 5% improvement of renal function. In 12 cases (7%) renal function deteriorated after pyeloplasty by more than 5% compared to the preoperative scintigram. It is concluded that pyeloplasty in infants is a low-risk procedure. The encouraging results of this series support early correction of UPJ obstruction.