World journal of urology · 2026
Nephrolithiasis in sarcoidosis: epidemiology, risk factors, and clinical implications.
СтатьяНазвание и аннотация: Перевод в очереди
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Marchini Giovanni Scala, Reis Sabrina T, Correia Filipe A, Torricelli Fabio Cesar Miranda, Danilovic Alexandre, Vicentini Fabio, Batagello Carlos Alfredo, Kairalla Ronaldo Adib, de Melo Kawassaki Alexandre, Arimura Fabio Eiji, Candido Patrícia, Perrella Rodrigo, Nahas William Carlos, Mazzucchi Eduardo
Аннотация
OBJECTIVE: To describe the demographic profile and risk factors for kidney stone formation in patients with sarcoidosis.
MATERIAL AND METHODS: 158 sarcoidosis patients were analyzed, comparing groups with and without kidney stones evaluating clinical and metabolic factors and medication use. Statistical analysis was carried out using R software (p < 0.05).
RESULTS: The sample consisted of 138 patients (87.34%), with a majority of females (67.4%) and a median age of 54. Frequent comorbidities included hypertension (38.4%), diabetes (18.1%), and dyslipidemia (6.5%). Nephrolithiasis was reported by 11.9% of patients. Laboratory tests showed hypercalcemia in 9.4% and hypercalciuria in 17.4%. Kidney stones were found in 15.9% of patients, three of whom were bilateral. The comparative analysis revealed a significant association with a previous history of nephrolithiasis (40% vs. 6.6%). There was no statistical correlation with laboratory tests, except for uric acid, which was lower in the group with stones. Hydroxychloroquine was more frequent in the group with stones but without statistical significance. Logistic regression did not identify any significant associations.
CONCLUSION: Nephrolithiasis occurred in 16% of sarcoidosis patients and was more prevalent in women and adults. Calcium disturbances persist, requiring continuous monitoring. A history of renal lithiasis should be valued in diagnosis and follow-up.
MATERIAL AND METHODS: 158 sarcoidosis patients were analyzed, comparing groups with and without kidney stones evaluating clinical and metabolic factors and medication use. Statistical analysis was carried out using R software (p < 0.05).
RESULTS: The sample consisted of 138 patients (87.34%), with a majority of females (67.4%) and a median age of 54. Frequent comorbidities included hypertension (38.4%), diabetes (18.1%), and dyslipidemia (6.5%). Nephrolithiasis was reported by 11.9% of patients. Laboratory tests showed hypercalcemia in 9.4% and hypercalciuria in 17.4%. Kidney stones were found in 15.9% of patients, three of whom were bilateral. The comparative analysis revealed a significant association with a previous history of nephrolithiasis (40% vs. 6.6%). There was no statistical correlation with laboratory tests, except for uric acid, which was lower in the group with stones. Hydroxychloroquine was more frequent in the group with stones but without statistical significance. Logistic regression did not identify any significant associations.
CONCLUSION: Nephrolithiasis occurred in 16% of sarcoidosis patients and was more prevalent in women and adults. Calcium disturbances persist, requiring continuous monitoring. A history of renal lithiasis should be valued in diagnosis and follow-up.