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Effect of Ginseng on Blood Pressure: A Systematic Review and Meta-Analysis  

Ha, Hye Min (College of Pharmacy, Inje University)
Oh, Da Hyun (College of Pharmacy, Inje University)
Chun, Pusoon (College of Pharmacy, Inje University)
Publication Information
Korean Journal of Clinical Pharmacy / v.26, no.2, 2016 , pp. 163-171 More about this Journal
Abstract
Objective: A meta-analysis was performed to determine effect of ginseng on blood pressure. Methods: The databases of PubMed, Embase, Cochrane Library, RISS, DBpia, KISS, and Koreamed were searched for all published studies from inception to January 2016. The following terms were used: "ginseng", "hypertension", and "blood pressure". Using the Review Manager 5, mean differences (MDs) were pooled to measure the effect of ginseng on blood pressure compared to that of placebo. Results: Eleven randomized controlled trials were included. In this meta-analysis, ginseng treatment significantly lowered systolic blood pressure (SBP) in a dose-independent way (MD: -1.99, p = 0.04). In subgroup analysis, 8-12 week consumption of ginseng achieved significantly greater reduction in SBP (MD: -3.14, p = 0.03), while single administration of ginseng failed to show BP-lowering effect. When ingested over 8-12 weeks, ginseng significantly lowered diastolic blood pressure (DBP) (MD: -1.96, p = 0.03). No significant association was found between ginseng dose and the magnitude of BP-lowering effect. However, a significant positive relationship was observed between baseline SBP level and the magnitude of SBP reduction (r = 0.848, p = 0.033). Such a relationship was not seen in DBP. Conclusion: Consumption of ginseng for 8-12 weeks achieved significant reductions in SBP and DBP in a dose-independent way. There was a significant positive relationship between baseline SBP level and the magnitude of SBP reduction.
Keywords
American ginseng; Korean red ginseng; Korean white ginseng; blood pressure; randomized controlled trial;
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Times Cited By KSCI : 5  (Citation Analysis)
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