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The effect of plant-based dietary patterns on blood pressure : a systematic review and meta-analysis of controlled intervention trials
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Gibbs, Joshua, Gaskin, Eleanor, Ji, Chen, Miller, Michelle A. and Cappuccio, Francesco P. (2021) The effect of plant-based dietary patterns on blood pressure : a systematic review and meta-analysis of controlled intervention trials. Journal of Hypertension, 39 (1). pp. 23-37. doi:10.1097/HJH.0000000000002604
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WRAP-effect-plant-based-dietary-patterns-blood-pressure-Cappuccio-2020.pdf - Accepted Version - Requires a PDF viewer. Download (2474Kb) | Preview |
Official URL: https://doi.org/10.1097/HJH.0000000000002604
Abstract
OBJECTIVES. The consumption of strict vegetarian diets with no animal products is associated with low blood pressure (BP). It is not clear whether less strict plant-based diets (PBDs) containing some animal products exert a similar effect. The main objective of this meta-analysis was to assess whether PBDs reduce BP in controlled clinical trials.
METHODS. We searched Cumulative Index to Nursing and Allied Health Literature, Medline, Embase, and Web of Science to identify controlled clinical trials investigating the effect of plant-based diets on BP. Standardised mean differences in BP and 95% C.I. were pooled using a random effects model. Risk of bias, sensitivity, heterogeneity and publication bias were assessed.
RESULTS. Of the 790 studies identified, 41 clinical trials met the inclusion criteria (8,416 participants of mean age 49.2 yrs). In the pooled analysis, PBDs were associated with lower systolic BP (DASH -5.53 mmHg [95% C.I. -7.95, -3.12], Mediterranean -0.95 mmHg [-1.70, -0.20], Vegan -1.30 mmHg [-3.90, 1.29], Lacto-ovo vegetarian -5.47 mmHg [-7.60, -3.34], Nordic -4.47 mmHg [-7.14, -1.81], high-fiber -0.65 mmHg [-1.83, 0.53], high fruit and vegetable -0.57 mmHg [-7.45, 6.32]. Similar effects were seen on diastolic BP. There was no evidence of publication bias and some heterogeneity was detected. The certainty of the results is high for the lacto-ovo vegetarian and DASH diets, moderate for the Nordic and Mediterranean diets, low for the vegan diet, and very low for the high fruit and vegetable and high-fiber diets.
CONCLUSION. PBDs with limited animal products lower both systolic and diastolic BP, across sex and body mass index.
| Item Type: | Journal Article | |||||||||
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| Subjects: | R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine R Medicine > RC Internal medicine R Medicine > RM Therapeutics. Pharmacology |
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| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School > Health Sciences > Mental Health and Wellbeing Faculty of Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Vegetarianism -- Health aspects, Vegan cooking, Cooking (Vegetables), Health promotion, Nutrition, Blood pressure, Cardiovascular system -- Diseases -- Diet therapy, Hypertension -- Risk factors | |||||||||
| Journal or Publication Title: | Journal of Hypertension | |||||||||
| Publisher: | Lippincott Williams & Wilkins, Ltd. | |||||||||
| ISSN: | 0263-6352 | |||||||||
| Official Date: | January 2021 | |||||||||
| Dates: |
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| Volume: | 39 | |||||||||
| Number: | 1 | |||||||||
| Page Range: | pp. 23-37 | |||||||||
| DOI: | 10.1097/HJH.0000000000002604 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Publisher Statement: | This is a non-final version of an article published in final form in Gibbs, Joshuaa; Gaskin, Eleanora; Ji, Chena; Miller, Michelle A.a; Cappuccio, Francesco P.a,b The effect of plant-based dietary patterns on blood pressure, Journal of Hypertension: July 23, 2020 - Volume Publish Ahead of Print - Issue - doi: 10.1097/HJH.0000000000002604 | |||||||||
| Access rights to Published version: | Open Access | |||||||||
| Copyright Holders: | Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved. | |||||||||
| RIOXX Funder/Project Grant: |
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