Metabolic disorders in Turkish children with urolithiasis.

PMID 25817115


To review metabolic disorders in Turkish children with urinary tract stone disease. The medical records of 308 pediatric patients with the diagnosis of urolithiasis between 1996 and 2008, whose disease progression was followed in a single tertiary-care center, were reviewed retrospectively. Two hundred forty-eight patients whose metabolic analyses were performed were included in the study. Of the 248 patients participating in the study, 142 (57%) were men and 106 (43%) were women. The median age of the patients was 48 months (minimum-maximum, 2-180 months). Seventy-six percent of the patients had metabolic disorders. Of all patients, 44% had 1, 23% had 2, and 7% had 3 metabolic disorders. Hypercalciuria, hypocitraturia, hyperoxaluria, hyperuricosuria, and cystinuria were detected in 41%, 39%, 22%, 9%, and 4% of the patients, respectively. The rate of multiple stone formation, infection, and recurrence was significantly higher in the 0-2 years age group (P = .030, P = .001, P = .019, respectively). The median age of patients was greater (P = .001) in patients with hyperoxaluria in comparison with other metabolic disorders. Compared with other metabolic disorders, multiple stones and recurrence were more frequent in patients with cystinuria (P = .022 and P = .008, respectively). The size of the stones was greater in patients with hyperuricosuria in comparison with other metabolic disorders (P = .009). The majority of children with urinary tract stone disease exhibited ≥1 metabolic risk factors. Metabolic risk factors should be evaluated in all children with urinary stone disease to provide appropriate treatment.

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Chlorine, puriss., ≥99.8%