Pediatric ESWL: Long-Term Results and Effects on Renal Growth

Abstract
The Dornier HM3 lithotripter was used to treat 55 stone events in 44 pediatric patients. The mean patient age at treatment was 11.3 years, with the youngest patient being 13 months of age. Sixty-two extracorporeal shock wave lithotripsy (ESWL) treatments were necessary for the 55 stone events at a mean of 1186 shock waves (range 250 to 2100) at 19.6 kV (range 16 to 26 kV). Follow-up was available for 95% of the treated stone events; 79% of patients were stone free at 3 months, and 83% eventually became stone free. Risk factors for retained fragments in the pediatric population appear to be similar to those for adults. Renal growth of 14 treated renal units in 12 patients has been unimpaired after ESWL treatment as judged by intravenous urography or sonography.

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