An overview of randomized trials of sodium reduction and blood pressure.
Why the study?
Does sodium reduction reduce systolic and diastolic blood pressure in hypertensive and normotensive subjects?
Population
1,536 subjects (hypertensive and normotensive) from 23 randomized clinical trials
Comparison
Sodium reduction vs Controls (usual sodium intake)
Design
Meta-analysis
Follow-up
at least several months
Authors
Discussion
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Implication
Supports sodium reduction for BP control in hypertensives and normotensives; confirms efficacy across strata in high-level evidence.
Structured PICO
Does sodium reduction reduce systolic and diastolic blood pressure in hypertensive and normotensive subjects?
P
Population
1,536 subjects (hypertensive and normotensive) from 23 randomized clinical trials
I
Intervention
Sodium reduction
C
Comparator
Controls (usual sodium intake)
O
Outcome
Systolic and diastolic blood pressuresurrogate
Sodium reduction lowers mean blood pressure in both hypertensive and normotensive individuals, supporting preventive strategies for blood pressure control.
Cite This Study
Cutler et al. (1991) studied this question.