At-home determination of 24-h urine sodium excretion: Validation of chloride test strips and multiple spot samples
Sodium intake and compliance with dietary sodium modification are typically assessed using a 24-h urine collection analyzed using flame photometry, but this is inconvenient. Spot urine samples have been investigated as alternatives to 24-h collections, but their accuracy is poor. Since sodium and chloride are present in equal concentrations in dietary salt, chloride test strips may provide a suitable proxy for at-home measurement of urine sodium concentrations. We aimed to determine whether (i) chloride test strips provide a reliable measure of urinary sodium compared to the gold standard flame photometry and (ii) multiple spot samples accurately reflect 24-h urine sodium.
Source: Autonomic Neuroscience: Basic and Clinical - Category: Neuroscience Authors: N.D. Heeney, R.H. Lee, B.C.D. Hockin, D.C. Clarke, S. Sanatani, K. Armstrong, T. Sedlak, V.E. Claydon Source Type: research
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