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Use of Urine Biomarkers to Assess Sodium Intake: Challenges and Opportunities
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2015
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Source: Annu Rev Nutr. 35:349-387
[PDF-661.54 KB]
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Alternative Title:Annu Rev Nutr
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Description:This article summarizes current data and approaches to assess sodium intake in individuals and populations. A review of the literature on sodium excretion and intake estimation supports the continued use of 24-h urine collections for assessing population and individual sodium intake. Since 2000, 29 studies used urine biomarkers to estimate population sodium intake, primarily among adults. More than half used 24-h urine; the rest used a spot/casual, overnight, or 12-h specimen. Associations between individual sodium intake and health outcomes were investigated in 13 prospective cohort studies published since 2000. Only three included an indicator of long-term individual sodium intake, i.e., multiple 24-h urine specimens collected several days apart. Although not insurmountable, logistic challenges of 24-h urine collection remain a barrier for research on the relationship of sodium intake and chronic disease. Newer approaches, including modeling based on shorter collections, offer promise for estimating population sodium intake in some groups.
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Pubmed ID:25974702
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Pubmed Central ID:PMC5497310
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Volume:35
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