Why the study?
Does dietary salt restriction alter renal function and blood pressure in healthy normotensive men?
Population
47 healthy normotensive male volunteers from the Olivetti factory in Naples
Comparison
3 days of a salt-restricted diet vs Habitual sodium-rich diet
Design
Cohort
Follow-up
3 days
Authors
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Salt sensitivity may associate with hyperfiltration in normotensives on habitual diets; leaves open whether restriction improves renal function or BP.
Does dietary salt restriction alter renal function and blood pressure in healthy normotensive men?
In normotensive men, salt sensitivity is associated with relative hyperfiltration and altered tubular sodium handling on a high-sodium diet, which can be offset by dietary salt restriction.
Barba et al. (1996) studied this question.