Abstract
PURPOSE: The aim of this study was to evaluate the effectiveness of Tai Chi intervention in essential hypertension. METHOD: A systematic literature search was performed in 7 databases from their respective inceptions from January 2013 to January 2015, including: PubMed, Socolar, Elsevier, Springer Link, Wiley Online Library, CNKI and Wanfang Databases.A meta-analysis was conducted by software Rev Man 5.1 to examine the pooled effect of Yang`s Tai Chi Exercise controlling hypertension upon 789 subjects from randomized controlled clinical trial. RESULTS: The results of meta-analyses showed that Yang`s Tai Chi intervention could lower blood pressure and increase the concentration of nitric oxide; Subgroup analysis showed that Tai Chi group was superior to the control group in decrease of SBP[MD=8.53, 95%CI (7.02, 10.05), P=0.31], DBP[MD=3.60, 95%CI(3.41, 3.78), P=0.91] and increase concentrations of NO[MD=5.16,95%CI(1.20, 9.12), P=0.36]. CONCLUSIONS: Tai chi exercise can increase the concentration of NO. Practicing Tai Chi for 1.5 hours per day while among 65%~85% of HRmax can significantly decrease the systolic blood pressure and diastolic blood pressure. And we will extend our research to the other brunches of Tai Chi including Chen`s, Sun`s, Wu`s.
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