Why the study?
Does dietary NaCl restriction reduce blood pressure in people with hypertension?
Population
People with hypertension, particularly those who are 'salt sensitive' (often black, elderly, low-renin)
Comparison
Dietary NaCl restriction vs High NaCl intake
Design
Review
Authors
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May benefit salt-sensitive hypertensives from NaCl restriction; leaves open prospective validation of response predictors.
Does dietary NaCl restriction reduce blood pressure in people with hypertension?
Dietary sodium restriction is an effective strategy for lowering blood pressure, particularly in the approximately 60% of hypertensive patients who are salt-sensitive.
Haddy et al. (1995) studied this question.