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Effect of Lactobacillusplantarum containing probiotics on blood pressure: A systematic review and meta-analysis
Authors
A. Davoodvandi
S. Jafarnejad
A.-M. Lewis-Mikhael
Publication date
1 January 2020
Publisher
'Cambridge University Press (CUP)'
Abstract
Previous studies have recommended that probiotics may have blood pressure (BP)-lowering effects. However, they examined all probiotic strains (multi/single probiotics) simultaneously. In respect to strain specificity properties of probiotic, the aim of the present study was to systematically investigate the role of Lactobacillus plantarum as an anti-hypertensive agent by performing a meta-analysis of randomized controlled trials. PubMed, Scopus, Cochrane Library and Google Scholar were used from inception until October 2018 to identify eligible trials. We used random-effects model as the preferable method to assess the combined treatment effect. We further conducted sensitivity analysis and stratified analysis. Seven studies with 653 participants were included in the meta-analysis. The pooled weighted mean difference (WMD) with the random effects model showed a significant effects of Lactobacillus plantarum supplementation on improvement of SBP with no statistically significant heterogeneity (WMD: -1.58 mmHg, 95 CI: -3.05 to 0.11) (heterogeneity P = 0.14; I² = 36 ). The overall effect in the DBP showed significant pooled estimates (WMD: -0.92 mmHg, 95 CI: -1.49 to -0.35) with a complete homogeneity between the studies (heterogeneity P = 0.46; I² = 0 ). The findings of the present meta-analysis study support the use of Lactobacillus plantarum supplementation for lowering systolic and diastolic blood pressure. The clinical significance of blood pressure-lowering effect of Lactobacillus Plantarum supplementation is not considerable; however, given the overarching benefits evident and concurrent lack of specific side effects, further trials are warranted to clarify the effects of Lactobacillus Plantarum probiotics particularly for hypertensive patients. © 2020 Elsevier Lt
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kashan university of medical sciences
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Last time updated on 30/06/2020