Salt and nephrolithiasis
- PMID: 25031016
- DOI: 10.1093/ndt/gfu243
Salt and nephrolithiasis
Abstract
Dietary sodium chloride intake is nowadays globally known as one of the major threats for cardiovascular health. However, there is also important evidence that it may influence idiopathic calcium nephrolithiasis onset and recurrence. Higher salt intake has been associated with hypercalciuria and hypocitraturia, which are major risk factors for calcium stone formation. Dietary salt restriction can be an effective means for secondary prevention of nephrolithiasis as well. Thus in this paper, we review the complex relationship between salt and nephrolithiasis, pointing out the difference between dietary sodium and salt intake and the best methods to assess them, highlighting the main findings of epidemiologic, laboratory and intervention studies and focusing on open issues such as the role of dietary salt in secondary causes of nephrolithiasis.
Keywords: hypercalciuria; nephrolithiasis; salt; urinary calcium; urinary sodium.
© The Author 2014. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved.
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