Why the study?
Does a low salt diet affect nocturnal blood pressure variation in outpatients with hypertension?
Population
20 outpatients with hypertension
Comparison
Low salt diet for a period of 1 or 2 weeks vs Regular sodium diet for a period of 2 weeks
Design
Cohort
Follow-up
3 to 4 weeks (2 weeks regular diet, 1-2 weeks low salt diet)
Authors
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May support sodium restriction to improve nocturnal BP dipping in hypertension; leaves open need for RCTs to confirm outcomes.
Does a low salt diet affect nocturnal blood pressure variation in outpatients with hypertension?
Sodium restriction can improve nocturnal blood pressure dipping patterns in hypertensive outpatients, though the non-dipper pattern is not universally reversed.
Watanabe et al. (2002) studied this question.
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