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Updated: Jun 25, 2026

Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis
Published on: July 8, 2025
Complications of laparoscopic pyeloplasty in children
Rajendra B Nerli1, Mallikarjun Reddy, Vikram Prabha
1Department of Urology, Kles Kidney Foundation, Kles Hospital, Belgaum, India. rajendranerli@yahoo.in
Insights
Laparoscopic pyeloplasty in children is safe and effective, with low intraoperative (3%) and postoperative (12-16%) complication rates. Continued experience and training can further minimize these risks in pediatric reconstructive surgery.
Area of Science:
- Pediatric Urology
- Minimally Invasive Surgery
- Surgical Education
Background:
- Laparoscopic pyeloplasty in children offers comparable outcomes to open surgery.
- Advancements in laparoscopic reconstructive surgery, including suturing, present a learning curve for many centers.
- This study analyzes complications and the learning curve based on over 100 pediatric cases.
Purpose of the Study:
- To evaluate the safety and effectiveness of laparoscopic pyeloplasty in pediatric patients.
- To identify and analyze intraoperative and postoperative complications associated with the procedure.
- To discuss the learning curve and factors influencing successful outcomes in pediatric laparoscopic pyeloplasty.
Main Methods:
- A retrospective review of 103 laparoscopic pyeloplasties performed between January 2002 and June 2008.
- 102 cases involved dismembered pyeloplasty; one case underwent laparoscopic vascular hitch.
- Complications were classified using the Satava (intraoperative) and Clavien (postoperative) systems.
Main Results:
- Intraoperative incidents occurred in 2.91% of cases, primarily minor issues like port placement adjustments.
- Postoperative complications were observed in 11.65% of children, including prolonged ileus, urinary leak, and fever.
- Recurrent ureteropelvic junction (UPJ) stenosis requiring reoperation occurred in 4.85% of cases.
Conclusions:
- Laparoscopic pyeloplasty is a feasible, safe, and effective surgical option for children.
- Intraoperative incidents are infrequent (up to 3%), and postoperative complications range from 12.9% to 15.8%.
- Further reduction in complication rates is anticipated with increased surgeon experience, training, and knowledge of complication management.
Introduction:
Laparoscopic pyeloplasty in children has been proven to be safe and effective, with comparable results to open surgery. Due to the extension of laparoscopic indications from ablative to reconstructive procedures requiring endoscopic suturing, most centres have plateaued within their learning curve. Based on our own experience with a little more than 100 cases, we focus on the complications and the definitive learning curve of laparoscopic pyeloplasty in children.
Materials And Methods:
A total of 103 laparoscopic pyeloplasties were performed during the period January 2002 to June 2008. Of these, 102 underwent laparoscopic dismembered pyeloplasty and one underwent laparoscopic vascular hitch for crossing lower pole vessels. Intraoperative incidents/complications were analysed using the Satava classification, and the postoperative complications according to the Clavien classification.
Results:
Intraoperative incidents occurred in 2.91% of the cases, mostly without consequences for the child including faulty port placement needing placement of an extra port and umbilical port side bleed. Postoperative complications occurred in 11.65% children and included prolonged ileus, prolonged urinary leak, fever, haematuria and recurrent ureteropelvic junction (UPJ) stenosis. Recurrent UPJ stenosis occurred in 4.85% of children needing reoperation.
Conclusions:
Laparoscopic pyeloplasty in children is not only feasible, but safe and effective. Intraoperative incidents occur in up to 3% of the cases, and complications in 12.9-15.8%. Increased experience, training and knowledge regarding the incidence and management of complications will be able to further reduce these in the future.
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