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Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis
Published on: July 8, 2025
Dismembered pyeloplasty in children: a review of 5 years single center experience
Raanan Tal1, Zvi Bar-Sever, Pinhas M Livne
1Schneider Children's Medical Center of Israel, Urology, Petah-Tikva, Israel. raanantal@gmail.com
Insights
Dismembered pyeloplasty is a safe and effective treatment for ureteropelvic junction obstruction in children. This pediatric surgery demonstrated excellent long-term outcomes with minimal complications.
Area of Science:
- Pediatric Urology
- Surgical Oncology
- Nephrology
Background:
- Ureteropelvic junction (UPJ) obstruction is a common congenital anomaly in children.
- Dismembered pyeloplasty is the gold standard surgical intervention for significant UPJ obstruction.
Purpose of the Study:
- To review the clinical characteristics, surgical outcomes, and complications of dismembered pyeloplasty in pediatric patients.
- To evaluate the long-term results of this procedure.
Main Methods:
- Retrospective review of 103 pediatric patients who underwent dismembered pyeloplasty between 1997 and 2002.
- Analysis of preoperative data, short- and long-term complications, and surgical outcomes.
- Comparison of preoperative and postoperative imaging studies (urinary tract sonography, dynamic renal scans).
Main Results:
- The majority of patients were male (81%) and diagnosed prenatally (78%).
- No major complications were reported; a low incidence of minor complications was observed.
- Excellent postoperative outcomes included decreased hydronephrosis (81%), improved renal drainage (87%), and preserved or improved renal function (89%).
Conclusions:
- Dismembered pyeloplasty is a safe procedure in pediatric patients.
- The surgery is associated with a low rate of minor complications and no major complications.
- Excellent long-term outcomes support dismembered pyeloplasty as a primary treatment for UPJ obstruction.
Aim:
Dismembered pyeloplasty is the treatment of choice for significant ureteropelvic junction obstruction in children. In the present study, we review our experience in 103 pediatric patients and present the clinical characteristics, the surgical treatment and its complications and the long term results.
Methods:
We have reviewed the medical charts of 103 consecutive patients who underwent dismembered pyeloplasty in a 5-year period, from 1997 to 2002. Preoperative data, short- and long-term complications and outcome were recorded. Imaging studies included urinary tract sonography and dynamic renal scans, the results of which were compared pre- and postoperatively.
Results:
Most of our patients were boys (81%), diagnosed prenatally (78%). We had no major complications and acceptable incidence of minor complications. Postoperative outcome was excellent, with decreased hydronephrosis (81%), improved renal drainage (87%) and preserved or improved renal function (89%).
Conclusion:
Dismembered pyeloplasty can be performed with a low incidence of minor complications, no major complications and excellent long-term outcome.
