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Pediatric kidney stones are common in preschoolers, often linked to infections and phosphate composition. Early diagnosis and comprehensive metabolic evaluation are crucial for effective management and preventing recurrence in children.
Area of Science:
- Pediatric Nephrology
- Urology
- Biochemistry
Context:
- This study analyzes 95 pediatric stone cases from 1960-1979.
- Focuses on stone characteristics, patient demographics, and underlying causes in children.
- Highlights the prevalence of phosphate stones and associated infections.
Purpose:
- To present findings on pediatric urolithiasis over a 20-year period.
- To identify key symptoms, stone compositions, and etiological factors in pediatric stone disease.
- To evaluate treatment outcomes and recurrence rates in children with kidney stones.
Summary:
- Two-thirds of pediatric stones occurred in preschoolers, with infection, hematuria, and abdominal pain as leading symptoms.
- Phosphate stones comprised 52% of cases, frequently associated with urea-splitting organisms and urinary tract infections in younger children.
- Underlying causes identified in 62% included urodynamic disturbances (32%) and metabolic derangements (21%). Surgical intervention was required in 76% of cases, with a 22% recurrence rate over 6.2 years.
Impact:
- Emphasizes the importance of crystallographic stone analysis for accurate diagnosis.
- Recommends thorough metabolic workups to identify underlying causes of pediatric urolithiasis.
- Stresses the necessity of long-term follow-up to manage recurrence and improve patient outcomes.
Abstract:
Our experience with 95 pediatric stone patients in the years 1960-1979 is presented. 2/3 of all stones were diagnosed in the pre-school age. Leading symptoms were infection, hematuria and abdominal pain. 52% of the stones were composed of phosphate. 87.5% of the children up to the age of 6 had urinary tract infection. Phosphate stones were mostly accompanied by urea-splitting organisms. An underlying cause for the stone formation could be found in 62% (urodynamic disturbances 32%, metabolic derangements 21%, proteus infection 8%, foreign body 1%). In 76% of the children the stones had to be removed surgically. The recurrence rate was 22% in 6.2 years. From our experience we recommend to use only a crystallographic stone analysis, to perform an exact metabolic check-up and a long term follow-up of the children.