Introduction:

Urolithiasis in childhood is multifactorial, occurs worldwide, and is characterized by its recurrent nature. The lithogenic risk profile is a graphical representation of the various factors involved in the lithiasic process.

Objective:

To determine the lithogenic profile in children with renal lithiasis who attended the Institute of Health Sciences Research during 2022.

Materials and Methods:

This descriptive study included 45 children of both sexes with urolithiasis. Serum and urinary lithogenic analytes were measured, crystalluria analysis was performed, and urinary saturation indices were determined.

Results:

At least one urinary abnormality was found in 38 (84.4%) patients, with hypernatruria and hypocitraturia being the most frequent. Among those (n = 24) who presented some risk of urinary crystallization, 20 children presented a risk of crystallization of one type of crystal and 4 presented a risk of crystallization of two types of crystals. Regarding other lithogenic factors, positive crystalluria was observed in 20 (44.4%) patients, urinary pH below 5.5 in 11 (24.4%) patients, and concentrated urine in 34 (75.5%) patients.

Conclusion:

Identifying lithogenic factors would prevent future complications and recurrences of the disease, leading to a better quality of life for patients affected by this condition.

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