Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 25047
  Title Dietary fiber is beneficial for the prevention of cardiovascular disease: An umbrella review of meta-analyses [review]
URL https://doi.org/10.1016/j.jcm.2017.05.005
Journal J Chiropr Med. 2017 Dec;16(4):289-299
Author(s)
Subject(s)
Peer Review Yes
Publication Type Review
Abstract/Notes

Objective: The purpose of this study was to review previously published meta-analyses on the effectiveness of dietary fiber on cardiovascular disease.

Methods: An umbrella review of all published meta-analyses was performed. A PubMed search from January 1, 1980, to January 31, 2017, was conducted using the following search strategy: (fiber OR glucan OR psyllium OR fructans) AND (meta-analysis OR systematic review). Only English-language publications that provided quantitative statistical analysis on cardiovascular disease, lipid concentrations, or blood pressure were retrieved.

Results: Thirty-one meta-analyses were retrieved for inclusion in this umbrella review, and all meta-analyses comparing highest versus lowest dietary fiber intake reported statistically significant reductions in the relative risk (RR) of cardiovascular disease mortality (RR = 0.77-0.83), as well as the incidences of cardiovascular disease (RR = 0.72-0.91), coronary heart disease (RR = 0.76-0.93), and stroke (RR = 0.83-0.93). Meta-analyses on supplementation studies using β-glucan or psyllium fibers also reported statistically significant reductions in both total serum and low-density lipoprotein cholesterol concentrations.

Conclusion: This review suggests that individuals consuming the highest amounts of dietary fiber intake can significantly reduce their incidence and mortality from cardiovascular disease. Mechanistically, these beneficial effects may be due to dietary fibers' actions on reducing total serum and low-density lipoprotein cholesterol concentrations between 9.3 to 14.7 mg/dL and 10.8 to 13.5 mg/dL, respectively.

Author keywords: Dietary Fiber; Meta-analysis; Cardiovascular Diseases; Coronary Heart Disease; Stroke; Cholesterol; Blood Pressure

Author affiliation: National University of Health Sciences (United States / Illinois / Lombard)

This abstract is reproduced with the permission of the publisher; full text is available by subscription.

 
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