Why the study?
This systematic review aimed to examine the effectiveness of low-salt dietary interventions to lower blood pressure in hypertensive patients living in rural areas.
Do low-salt dietary interventions using salt substitutes reduce blood pressure in hypertensive patients living in rural areas?
Do low-salt dietary interventions using salt substitutes reduce blood pressure in hypertensive patients living in rural areas?
A low-salt diet utilizing salt substitutes significantly lowers systolic blood pressure in rural hypertensive patients without requiring changes to overall dietary habits.
Supports salt-substitute adoption for rural hypertension control; extends trial evidence to populations with limited dietary flexibility.
Background This systematic review aimed to examine the effectiveness of low-salt dietary interventions to lower Blood Pressure (BP) on hypertensive patients living in rural areas. Methods We conducted the literature searching in several databases to identify relevant articles published from 2010 to 2020 using PRISMA, exclusion and inclusion criteria. Six studies included in the systematic review. Result The intervention model used salt substitutes in all foods and preservation without changing dietary habits and lifestyle and without reducing the amount of salt consumed. The outcome variable for BP was the primary variable. Conclusion A low-salt diet can significantly lower systolic BP.
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Asri et al. (2022) studied this question.
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