Reoperative robotic pyeloplasty in children

Area of Science:

• Pediatric Urology
• Minimally Invasive Surgery
• Urologic Oncology

Background:

• Reoperative pyeloplasty for recurrent ureteropelvic junction obstruction (UPJO) is challenging.
• Robotic-assisted laparoscopic pyeloplasty (RALP) shows promise but requires longer follow-up data.
• This study evaluates RALP for recurrent UPJO in children after failed initial pyeloplasty.

Purpose of the Study:

• To confirm the safety and efficacy of RALP for recurrent UPJO in children.
• To provide clinical benchmarks for intermediate follow-up after reoperative RALP.
• To assess outcomes in pediatric patients with failed prior pyeloplasty.

Main Methods:

• Retrospective chart review of pediatric patients undergoing reoperative RALP (June 2006-December 2014).
• Data collected on demographics, prior interventions, operative details, and postoperative outcomes.
• Analysis of radiographic studies, clinical course, and subsequent interventions.

Main Results:

• Twenty-three children underwent reoperative RALP with a median follow-up of 26 months.
• Mean operative time was 198 minutes; mean length of stay was 2.3 days.
• Over 80% of patients with flank pain experienced symptom resolution; 78% required no further intervention with >12 months follow-up.

Conclusions:

• Reoperative RALP is technically feasible for recurrent UPJO in children.
• RALP demonstrates acceptable operative times, lengths of stay, and complication rates.
• RALP is a preferred method for recurrent UPJO, yielding successful outcomes in imaging, symptom resolution, and minimal need for reintervention.