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. 2025 Apr 1:31:e12.
doi: 10.5646/ch.2025.31.e12. eCollection 2025.

Blood pressure impact of dietary practices using the DASH method: a systematic review and meta-analysis

Nur Isnaini  1   2 , Fatwa Sari Tetra Dewi  3 , Ema Madyaningrum  4 , Supriyadi  5
Affiliations

Blood pressure impact of dietary practices using the DASH method: a systematic review and meta-analysis

Nur Isnaini et al. Clin Hypertens. .

Abstract

Background: In order to ascertain the impact of the Dietary Approach to Stop Hypertension (DASH) diet on blood pressure (BP), a systematic review and meta-analysis of randomized controlled trials were carried out. DASH is advised for lowering BP.

Methods: Scopus databases were searched from the beginning of 2024. A total of 579 articles from 2019 to 2023 from PubMed: 15, Scopus: 164 and Crossref: 400. There were 8 articles included in the meta-analysis.

Results: Systolic BP (1.29 mmHg to 4.6 mmHg, 95% CI, -2.17, -0.41; P < 0.005) and diastolic BP (0.76 mmHg to 1.1 mmHg, 95% CI, -1.39, -0.13; P < 0.005) were found to be significantly reduced by the DASH diet, while total cholesterol concentrations (5.2 mmol/L; P < 0.005), low-density lipoprotein (8.2 mmol/L; P = 0.03), and high-density lipoprotein increased by 8.2% (P < 0.005) were lowered by 0.9 points.

Conclusions: When followed consistently, the DASH diet can reduce BP's systolic and diastolic readings.

Trial registration: PROSPERO Identifier: CRD42023494005.

Keywords: Blood pressure; Dietary behavior; Reduced.

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Conflict of interest statement

Competing interest: The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) flow diagram of study selection.
Fig. 2
Fig. 2. Forest plot of relationships between diet patterns with blood pressure.
Fig. 3
Fig. 3. Funnel plots.
See this image and copyright information in PMC

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