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Nephrolithiasis in childhood inflammatory bowel disease
Insights
Children with inflammatory bowel disease (IBD) can develop kidney stones (nephrolithiasis). This study reports on six pediatric cases, highlighting the association between IBD flares and stone formation, primarily calcium phosphate stones.
Area of Science:
- Pediatric Nephrology
- Gastroenterology
- Urology
Background:
- Inflammatory bowel disease (IBD) encompasses chronic conditions like ulcerative colitis and Crohn's disease.
- Nephrolithiasis, or kidney stone disease, is a known complication in some gastrointestinal disorders.
Observation:
- Six pediatric patients with IBD and nephrolithiasis were analyzed.
- The mean age of stone onset was 12.5 years, with a mean IBD duration of 34.5 months.
- Four patients had ulcerative colitis, and two had Crohn's disease.
Findings:
- Three patients experienced stone disease onset concurrent with IBD flares.
- Calcium phosphate stones were predominant (four patients), with uric acid and/or calcium oxalate in others.
- Symptoms included abdominal pain and gross hematuria during stone passage.
Implications:
- Highlights a significant link between pediatric IBD and nephrolithiasis.
- Suggests potential therapeutic strategies for managing kidney stones in IBD patients.
- Emphasizes the need for vigilance regarding renal complications in children with IBD.
Abstract:
Six children with inflammatory bowel disease and nephrolithiasis are reported. Their mean age at the passage of the first stone was 12.5 years and the mean duration of active inflammatory bowel disease was 34.5 months. Four had ulcerative colitis and two had Crohn's disease. In three patients, the onset of stone disease was associated with a flare in the bowel disease. Stone passage in four patients was accompanied by an increase in abdominal pain; three experienced gross hematuria. Stones from four of the patients were composed primarily of calcium phosphate; stones from the remaining patients contained uric acid and/or calcium oxalate. The pathogenesis of nephrolithiasis as it relates to inflammatory bowel disease is considered and an approach to therapy offered.