Association between acupuncture and grade 1 hypertension: A systematic review and meta-analysis

ElsevierVolume 49, November 2022, 101649Complementary Therapies in Clinical PracticeHighlights•

Acupuncture can reduce the systolic and diastolic blood pressure in patients with hypertension.

Acupuncture is a treatment that has been applied for thousands of years.

Acupuncture is inexpensive and is an effective alternative to drug therapy.

Acupuncture treatment is safe.

AbstractBackground

Acupuncture is a traditional therapy that can be potentially effective for treating high blood pressure. Grade 1 hypertension is a relatively mild form of hypertension. This meta-analysis aims to assess the efficacy and safety of acupuncture in patients with grade 1 hypertension.

Methods

We systematically searched the EMBASE, PubMed, Cochrane, China National Knowledge Infrastructure, and Wan Fang databases for randomised controlled trials investigating acupuncture therapy for grade 1 hypertension through March 2021. The primary outcomes were changes in blood pressure after acupuncture and efficacy of acupuncture. The secondary result was an adverse reaction to the treatment. Data were pooled and analysed using Review Manager 5.3 and Statistical Package for the Social Sciences software version 19.0.

Results

Ten randomised controlled trials involving 1196 patients were included. Our meta-analysis demonstrated that in terms of changes in systolic blood pressure (MD 3.62 mmHg; 95% CI, 1.34 to 5.90; I2 = 56%), diastolic blood pressure (MD 3.12 mmHg; 95% CI, 1.03 to 5.20; I2 = 77%), and treatment efficacy (RR 2.12; 95% CI, 1.38 to 3.26; I2 = 93%), acupuncture is more effective in treating grade 1 hypertension than a placebo, no treatment at all, or interventions that improve lifestyle alone, with a low incidence of adverse effects. However, we did not find a suitable subgroup to reduce heterogeneity. Interventions, acupuncture methods, and treatment courses were not the only sources of heterogeneity among the studies.

Conclusion

Existing evidence shows that acupuncture could be used for treating hypertension; however, higher-quality randomised controlled trials are needed to better evaluate the safety and efficacy of acupuncture.

Keywords

Acupuncture

Grade 1 hypertension

Systematic review

Meta-analysis

© 2022 The Authors. Published by Elsevier Ltd.

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