Description of sociodemographic and clinical characteristics of patients with kidney stones
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kidney stones
metabolic Disease
diagnosis and laboratory examinations

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Dominguez Vinayo EH, Restrepo Valencia CA, Rendón Valencia JF, Aguirre Arango JV. Description of sociodemographic and clinical characteristics of patients with kidney stones. Rev. Colomb. Nefrol. [Internet]. 2022 Feb. 22 [cited 2024 Jul. 15];9(1):e554. Available from:


Background: Kidney stones are accumulations or mineral deposits that form in the calyces, renalpelvis, or urinary tract.

Purpose: To describe the sociodemographic and clinical characteristics of a sample of patients withkidney stones over 18 years of age.

Methodology: Descriptive observational study. Patients treated in an outpatient nephrology and urology consultation in Manizales during the years 2010 to 2020, in which there were studies in blood,24-hour urine, and a physicochemical study of the stone, as well as related sociodemographic and clinical data. They were divided into groups, according to the findings found in the available stones,dividing into calcium oxalate in its entirety, calcium mixed with another compound and the last groupof non-calcium stone.

Results: 54 patients with nephrolithiasis were identified, 14 of them were excluded. Finally, 40 patientsmet the inclusion criteria. Median age was 52.5 years, male predominance (55 %), hyperuricemia wasfound in 20.5 %, hypercalcemia in 17.6 %, hyperphosphatemia in 5 % and hyperkalemia in 7.5 %. In urine, hypocitraturia was found in 71.1 %, followed by hypercalciuria (12.5 %), hyperuricosuria (10 %), andhyperoxaluria (5 %). In 17 patients (42.5 %) there was a result of the physicochemical composition of thestone, in them the mixed calcium variety was the most frequent (55.5 %).

Conclusions: This study describes the characteristics of patients with kidney stones, showing thatthe majority have metabolic alterations associated with nephrolithiasis, hypocitraturia being the mostfrequent finding, and that most stones have calcium in their composition.
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