Abstract
Background: Evidence of ginseng for reducing blood pressure (BP) in hypertensive patients is controversial. This systematic review updated the previous reviews and evidence for it.
Methods: Ten databases were searched from their inception through October 2016, without language restriction. Randomized clinical trials (RCTs) were included if any types of ginseng were tested as the sole treatment or as an adjunct to other treatments for pre-hypertension or hypertension. The risk of bias (ROB) was assessed with Cochrane ROB tools by two independent reviewers.
Results: We found 528 potentially relevant articles, of which 9 RCTs met our inclusion criteria. Two studies reported positive effects of Korean red ginseng (KRG) on acute reduction of systolic BP (SBP: n=54, mean differences (MD), -6.52; P=0.0002; I2=0%) and diastolic BP DBP: MD, -5.21; P=0.0001; I2=0%), while two other trials failed to do so with north American ginseng (NAG) in both SBP and DBP. Five RCTs assessed the long-term effects of ginseng (KRG or NAG) on SBP and DBP. Two studies showed positive effects of KRG on reducing SBP and DBP compared with placebo (SBP: n = 183, MD, -2.92, P=0.04; I2 = 0%; DBP: MD, -3.19, P=0.008; I2 = 0%).
Conclusion: This systematic review provides positive evidence for the efficacy of KRG on reducing blood pressure in patients with pre-hypertension and hypertension in acute and long-term. Future RCTs appear to be warranted.
Keywords: Ginseng, hypertension, blood pressure, systematic review, meta-analysis, placebo control.
Current Vascular Pharmacology
Title:Ginseng for Treating Hypertension: A Systematic Review and Meta-Analysis of Double Blind, Randomized, Placebo-Controlled Trials
Volume: 15 Issue: 6
Author(s): Hye W. Lee, Hyun-Ja Lim, Ji H. Jun, Jiae Choi and Myeong S. Lee*
Affiliation:
- Clinical Research Division, Korea Institute of Oriental Medicine, Daejeon 34054,Korea
Keywords: Ginseng, hypertension, blood pressure, systematic review, meta-analysis, placebo control.
Abstract: Background: Evidence of ginseng for reducing blood pressure (BP) in hypertensive patients is controversial. This systematic review updated the previous reviews and evidence for it.
Methods: Ten databases were searched from their inception through October 2016, without language restriction. Randomized clinical trials (RCTs) were included if any types of ginseng were tested as the sole treatment or as an adjunct to other treatments for pre-hypertension or hypertension. The risk of bias (ROB) was assessed with Cochrane ROB tools by two independent reviewers.
Results: We found 528 potentially relevant articles, of which 9 RCTs met our inclusion criteria. Two studies reported positive effects of Korean red ginseng (KRG) on acute reduction of systolic BP (SBP: n=54, mean differences (MD), -6.52; P=0.0002; I2=0%) and diastolic BP DBP: MD, -5.21; P=0.0001; I2=0%), while two other trials failed to do so with north American ginseng (NAG) in both SBP and DBP. Five RCTs assessed the long-term effects of ginseng (KRG or NAG) on SBP and DBP. Two studies showed positive effects of KRG on reducing SBP and DBP compared with placebo (SBP: n = 183, MD, -2.92, P=0.04; I2 = 0%; DBP: MD, -3.19, P=0.008; I2 = 0%).
Conclusion: This systematic review provides positive evidence for the efficacy of KRG on reducing blood pressure in patients with pre-hypertension and hypertension in acute and long-term. Future RCTs appear to be warranted.
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Cite this article as:
Lee W. Hye , Lim Hyun-Ja, Jun H. Ji , Choi Jiae and Lee S. Myeong *, Ginseng for Treating Hypertension: A Systematic Review and Meta-Analysis of Double Blind, Randomized, Placebo-Controlled Trials, Current Vascular Pharmacology 2017; 15 (6) . https://dx.doi.org/10.2174/1570161115666170713092701
DOI https://dx.doi.org/10.2174/1570161115666170713092701 |
Print ISSN 1570-1611 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6212 |
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