Key result
The authors raise methodological concerns regarding urinary sodium assessment and the feasibility of dietary sodium reduction in a 2-year RCT by Smyth et al.
This editorial raises methodological concerns about a recent trial assessing the impact of dietary counseling on sodium reduction and cardiovascular markers.
Smyth et al. performed a 2-year randomized controlled trial (RCT) examining the impact of 6.5 h of dietary advice to reduce sodium intake on blood pressure and biological markers of cardiovascular (CVD) and renal disease.1 However, there are concerns about their methods for assessing urinary sodium and some statements regarding the feasibility of reducing dietary sodium and the evidence supporting sodium reduction.
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Campbell et al. (2023) reported a letter. Dietary advice to reduce sodium intake was evaluated on Blood pressure and biological markers of cardiovascular (CVD) and renal disease. The authors raise methodological concerns regarding urinary sodium assessment and the feasibility of dietary sodium reduction in a 2-year RCT by Smyth et al.
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