Piezo-electric lithotripter in the treatment of pediatric renal calculi

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Z Y Zhou1, S G Zheng

  • 1Department of Urology, Nanjing Gulou Hospital, Nanjing University Medical School.

Chinese Medical Journal
|September 1, 1991
PubMed

Insights

Extra corporeal shock wave lithotripsy (ESWL) effectively treated pediatric kidney stones, achieving stone-free status in two months with no observed renal dysfunction. Results suggest ESWL is a viable option for children, comparable to adult outcomes.

Area of Science:

  • Pediatric Urology
  • Nephrology
  • Medical Device Technology

Background:

  • Kidney stones in pediatric patients present unique treatment challenges.
  • Extra corporeal shock wave lithotripsy (ESWL) is a non-invasive option for stone removal.
  • Evaluating ESWL efficacy and safety in children is crucial.

Purpose of the Study:

  • To assess the effectiveness and safety of ESWL using the EDAP LT-01 lithotripter in pediatric patients.
  • To determine stone-free rates and evaluate potential renal impact post-treatment.
  • To compare pediatric ESWL outcomes with those reported in adult populations.

Main Methods:

  • Retrospective analysis of 17 pediatric patients (23 stone events) treated with ESWL.
  • Utilized the EDAP LT-01 lithotripter with specific pressure, duration, and frequency parameters.
  • Assessed outcomes via stone-free status at 2 months and renal function/growth via IVU or ultrasonography.

Main Results:

  • All 23 pediatric stones were treated, with patients achieving stone-free status within 2 months.
  • No evidence of renal dysfunction or growth retardation was observed post-ESWL.
  • Treatment involved 36 sessions with parameters: 60-100% power (540-900 Bar), 0.5-1 hour duration, 1.25-2.5 Hz frequency.

Conclusions:

  • ESWL monotherapy is an effective treatment for pediatric kidney stones.
  • Outcomes in pediatric patients treated with ESWL are comparable to adult results.
  • Factors influencing adult ESWL outcomes should also guide pediatric treatment decisions.

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