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

IF 3.6 Q2 PERIPHERAL VASCULAR DISEASE Clinical Hypertension Pub Date : 2025-04-01 eCollection Date: 2025-01-01 DOI:10.5646/ch.2025.31.e12

Nur Isnaini, Fatwa Sari Tetra Dewi, Ema Madyaningrum, Supriyadi

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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.

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使用DASH方法的饮食习惯对血压的影响：系统回顾和荟萃分析。

背景：为了确定DASH饮食对血压（BP）的影响，对随机对照试验进行了系统评价和meta分析。建议使用DASH降血压。方法：从2024年初开始检索Scopus数据库。2019 - 2023年共579篇论文，PubMed: 15, Scopus: 164, Crossref: 400。meta分析共纳入8篇文章。结果：收缩压（1.29 mmHg ~ 4.6 mmHg）， 95% CI, -2.17, -0.41；P < 0.005)和舒张压(0.76 mmHg ~ 1.1 mmHg, 95% CI, -1.39, -0.13；P < 0.005)，总胆固醇浓度(5.2 mmol/L；P < 0.005)，低密度脂蛋白(8.2 mmol/L；P = 0.03)，高密度脂蛋白升高8.2% (P < 0.005)，降低0.9个点。结论：坚持DASH饮食可以降低血压的收缩期和舒张期读数。试验注册：PROSPERO标识符：CRD42023494005。

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