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Published on: July 18, 2025

Pediatric kidney stones: long-term outcomes

Robert D Schwarz1, Neil T Dwyer

  • 1IWK Health Centre, Dalhousie University, Halifax, Nova Scotia, Canada. robert.schwarz@iwk.nshealth.ca

Urology
|March 29, 2006
PubMed

Insights

Recurrent kidney stones in children have similar risks to adults. Extensive metabolic screening is not recommended, but testing for cystinuria may be beneficial for pediatric stone patients.

Area of Science:

  • Pediatric Nephrology
  • Urology
  • Stone Disease Research

Background:

  • Recurrent upper tract urinary stones in children present unique challenges.
  • Understanding long-term risks and effective initial evaluations is crucial for pediatric stone patients.

Purpose of the Study:

  • To identify specific risk factors for recurrent stone disease in children.
  • To evaluate the effectiveness of initial diagnostic evaluations in reducing recurrence risk.

Main Methods:

  • A long-term follow-up study was conducted on children with a history of upper tract urinary stones.
  • Patients were interviewed using a structured questionnaire, and data were analyzed.

Main Results:

  • Pediatric stone recurrence rates were comparable to adult rates.
  • No significant impaired growth or developmental issues were observed.
  • Anatomic and metabolic factors were not predictive of recurrence, though cystinuria may pose an increased risk.

Conclusions:

  • Extensive metabolic screening for all children with urinary stones is not supported by current data.
  • Testing for cystinuria is a justified investigation in pediatric stone cases.
  • Screening and surveillance protocols for pediatric stone formers should align with adult recommendations.
Abstract

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