Abstract
ObjectiveAcupuncture is a widely used asthma therapy, but the benefits remain uncertain. This study aimed to access the effectiveness of acupuncture for treatment of asthma in adults. MethodsFive English databases and four Chinese databases were searched from inception to November 2021. Randomised sham/placebo-controlled trials meeting inclusion criteria were included. Risk of bias was evaluated according to the Cochrane Review Handbook, and data analysis was performed in RevMan 5.4.1. Quality of evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluations (GRADE) profiler. ResultsSixteen randomised controlled trials (RCTs) were included in the meta-analysis. Results indicated that acupuncture was well-tolerated and could improve FEV1% compared with sham/placebo acupuncture [MD 6.11, 95% CI 0.54–11.68, I2 = 93%, number of participants (n) = 603]. Acupuncture also improved Cai’s Asthma Quality of Life Questionnaire (AQLQ) (MD 7.26, 95% CI 5.02–9.50, I2 = 0, n = 358), and reduced the asthma symptom score (SMD −2.73, 95% CI −3.59 to −1.87, I2 = 65%, n = 120). One study showed acupuncture increased the Asthma Control Test (ACT) score (MD 2.00, 95% CI 0.90–3.10, n = 111), and decreased exacerbation frequency (MD −1.00, 95% CI −1.55 to −1.45, n = 111). Other lung function and medication use parameters were not statistically significant. ConclusionsAcupuncture versus sham/placebo control appeared to improve quality of life, FEV1%, symptoms, and asthma control, and reduced exacerbation frequency per year. Further studies with appropriate controls, more participants, and high-quality evidence are needed.
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