Retrograde intrarenal surgery in infants and preschool-age children

Ali Unsal1, Berkan Resorlu

  • 1Department of Urology, Ministry of Health, Kecioren Training and Research Hospital, Ankara 06380, Turkey.

Insights

Retrograde intrarenal surgery is safe and effective for treating kidney stones in children under seven. This minimally invasive approach achieved an 88% stone-free rate with few complications in young patients.

Area of Science:

  • Pediatric Urology
  • Minimally Invasive Surgery
  • Nephrolithiasis Management

Background:

  • Pediatric kidney stones are challenging to treat, especially in young children.
  • Limited data exists on the efficacy of retrograde intrarenal surgery (RIRS) in children under seven.

Purpose of the Study:

  • To evaluate the safety and efficacy of RIRS for renal calculi in children younger than seven years.
  • To present surgical outcomes and complication rates in this specific pediatric age group.

Main Methods:

  • Retrospective review of 16 patients (17 procedures) under seven years old treated with RIRS.
  • Flexible ureteroscopy and laser lithotripsy were utilized for all stone burdens.
  • Data collected included stone characteristics, surgical details, stone-free status, and complications.

Main Results:

  • An 88% stone-free rate was achieved after a mean follow-up of 10.3 months.
  • Success rates were 100% for stones <10 mm and 81.8% for stones ≥10 mm.
  • No major complications occurred; one case of ureteral perforation was managed conservatively.

Conclusions:

  • Retrograde intrarenal surgery is a safe and effective treatment for pediatric renal calculi in children under seven.
  • RIRS offers reasonable stone-free rates with minimal complications in this young population.
  • This technique represents a viable option for managing intrarenal stones in pre-school-aged children.
Abstract

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