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Cited by 140Blood Pressure and Hypertension StudiesFood composition and propertiesSodium Intake and Health

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Effects of dietary fibre type on blood pressure: a systematic review and meta-analysis of randomized controlled trials of healthy individuals

Evans, Charlotte E.L., Greenwood, Darren C., Threapleton, Diane E., Cleghorn, Christine L., Nykjaer, Camilla, Woodhead, Charlotte E., Gale, Christopher P., Burley, Victoria J.·2015·Journal of Hypertension
DOI 10.1097/hjh.0000000000000515
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Abstract

Objective To determine the effect of different types of dietary fibre on SBP and DBP. Methods A systematic review of the literature and a meta-analysis of randomized controlled trials using random-effects models. Eligibility criteria for studies included randomized controlled trials of at least 6 weeks duration, testing a fibre isolate or fibre-rich diet against a control or placebo published between 1 January 1990 and 1 December 2013. Results Twenty-eight trials met the inclusion criteria and reported fibre intake and SBP and/or DBP. Eighteen trials were included in a meta-analysis. Studies were categorized into 1 of 12 fibre-type categories. The pooled estimates for all fibre types were -0.9 mmHg [95% confidence interval (CI) -2.5 to 0.6 mmHg] and -0.7 mmHg (95% CI -1.9 to 0.5 mmHg) for SBP and DBP, respectively. The median difference in total fibre was 6 g. Analyses of specific fibre types concluded that diets rich in beta-glucans reduce SBP by 2.9 mmHg (95% CI 0.9 to 4.9 mmHg) and DBP by 1.5 mmHg (95% CI 0.2 to 2.7 mmHg) for a median difference in beta-glucans of 4 g. Heterogeneity for individual fibre types was generally low. Conclusions Higher consumption of beta-glucan fibre is associated with lower SBP and DBP. The results of this review are consistent with recommendations to increase consumption of foods rich in dietary fibre, but some additional emphasis on sources of beta-glucans, such as oats and barley, may be warranted.

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  • Systematic reviews and meta-analyses of randomized controlled trials of viscous fibre, total dietary fibre, and sources of plant protein including dietary pulses and soy protein have shown reductions in SBP/DBP.

    “Systematic reviews and meta-analyses of randomized controlled trials of viscous fibre 48,49 as well as total dietary fibre (inclusive of viscous fibre) 50 and sources of plant protein including dietary pulses and soy protein, have shown reductions in SBP/DBP 51,52 .”

    From Portfolio Dietary Pattern and Cardiovascular Disease: A Systematic Review and Meta-analysis of Controlled Trials (2018) · cites this paper as [49]

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Metadata

Authors
Evans, C. E. L., Greenwood, D. C., Threapleton, D. E., Cleghorn, C. L., Nykjaer, C., Woodhead, C. E., Gale, C. P., & Burley, V. J.
Affiliations
University of Leeds (GB)
Corresponding author
Evans, Charlotte E.L.
ORCID
Venue
Journal of Hypertension
Publisher
Ovid Technologies (Wolters Kluwer Health)
Published
2015-05
Volume
33
Issue
5
Pages
897-911
ISSN
0263-6352 (ISSN-L)
DOI
10.1097/hjh.0000000000000515
OpenAlex
W1999878913
Cited by
140
References
55
Citations by year
2026: 11 · 2025: 6 · 2024: 14 · 2023: 14 · 2022: 14 · 2021: 14 · 2020: 15 · 2019: 13 · 2018: 15 · 2017: 15 · 2016: 6 · 2015: 3
FWCI
2.23
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hypertension (publishedVersion)
  • PubMed (publishedVersion)
  • White Rose Research Online (University of Leeds, The University of Sheffield, University of York) (acceptedVersion)
Funders
Medical Research Council (MR/L01629X/1)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Blood Pressure and Hypertension Studies
  • Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
  • Health Sciences › Nursing › Nutrition and Dietetics › Sodium Intake and Health
Keywords
dietary fiber, blood pressure, systolic blood pressure, diastolic blood pressure, β-glucan, hypertension, oat, barley
MeSH terms
Blood Pressure, Dietary Fiber, Humans, Randomized Controlled Trials as Topic

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