Serum fetuin-A and recurrent urolithiasis in young adults

Submitted: January 2, 2014
Accepted: January 2, 2014
Published: December 31, 2013
Abstract Views: 2610
PDF: 1549
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Objective: Recurrence of urolithiasis is frequent. There are no reliable markers able to indicate recurrent stone former patients. Fetuin-A inhibits hydroxyapatite crystals formation and expansion. This study aims at evaluating whether serum fetuin-A may predict recurrent urolithiasis in young adults. Materials and methods: This is a multicentre study. Young adults patients with recurrent urolithiasis attending 3 urology clinics were enrolled from July 2011 to December 2012. Inclusion criteria were: age 18-40 years, presence of more than one kidney stone. Exclusion criteria were: diabetes mellitus, metabolic disorders, obesity, hypertension, cardiovascular disease, infection diseases. Controls were participants without history of urolithiasis and currently undetected stones. Routine biochemistry, serum concentration of oxalate, fetuin-A, and parathyroid hormone (PTH) were assessed; 24/h urinary excretion of creatinine, uric acid, calcium, sodium, phosphorus, potassium, magnesium, glucose, oxalate, amylase, and protein was measured. Kidney ultrasonography and plain X-ray examination was performed. Results: The total cohort was represented by 120 young adults participants (90 patients, and 30 controls). Clinical characteristics were not different between patients and controls. No significant differences were found in serum concentrations as well as in 24/h urinary excretion of recorded variables. No significant difference was found in serum concentration of fetuin-A (median 35.1 ± 18.62 SD Vs 35.12 ± 14.12, μg/ml; p = 0,908). Conclusions: The data of present study do not substantiate the hypothesis that serum fetuin-A may be a reliable predictor of recurrent urolithiasis in young adults.

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Prezioso, D., Saita, A., Motta, M., Porena, M., Micheli, C., Illiano, E., Bruzzese, D., Bisesti, V., Ferrari, P., Lotti, T., & Russo, D. (2013). Serum fetuin-A and recurrent urolithiasis in young adults. Archivio Italiano Di Urologia E Andrologia, 85(4), 180–183. https://doi.org/10.4081/aiua.2013.4.180