• Chengfeng Gu, Yunfeng Yu, Yan Chen, Shenjia Duan, Rong Xu, Shang Liu, and Can Wang.
• College of Nursing, Hunan University of Chinese Medicine, Changsha, China.
• Medicine (Baltimore). 2023 Oct 13; 102 (41): e35281e35281.

BackgroundAlthough bronchodilators and glucocorticoids can reduce the symptoms of cough and asthma to a certain extent, the adverse drug reactions and recurrence after recovery still trouble clinicians. Acupoint catgut embedding is effective in preventing and treating acute recurrence and deterioration of COPD, but its clinical efficacy remains controversial. Therefore, this study evaluated the clinical efficacy and safety of acupoint catgut embedding combined with conventional Western medicine for COPD through meta-analysis.MethodsPubmed, the Cochrane Library, Web of Science, Sinomed, China Knowledge Network, VIP, and Wanfang databases were searched, with a time frame from database creation to November 2022. Meta-analysis was performed with Revman 5.3. Publication bias was assessed by Stata 15.0.ResultsSeventeen studies were listed, with a total sample size of 1516 cases. Meta-analysis showed that compared with conventional western medicine, acupoint catgut embedding combined with conventional western medicine could effectively improve the total effective rate of clinical symptoms of stable COPD [RR = 1.21, 95%CI (1.13, 1.29), P < .00001], forced expiratory volume in 1 second (FEV1) [mean difference (MD) = 0.04, 95%CI (0.00, 0.09), P = .04],the percentage of forced expiratory volume in 1 second predicted value [MD = 1.13, 95%CI (0.38,1.88), P = .003], acute exacerbation of chronic obstructive pulmonary disease [MD = -0.73, 95%CI (-1.04, -0.42), P < .00001], COPD assessment test score [MD = -2.39, 95%CI (-3.65, -1.13), P = .0002], the improved medical research council respiratory questionnaire score (mMRC score) [MD = -0.15, 95%CI (-0.29, -0.02),P = .03], 6-minute walk distance [MD = 28.16, 95%CI (17.31, 39.00), P < .00001], the production of inflammatory factor interleukin-8 [MD = -9.65, 95%CI (-10.44, -8.86), P < .00001], but the adverse event rate was comparable[RR = 1.39, 95%CI (0.28,6.91), P = .69]. However, there was no significant difference in forced expiratory volume in 1 second/forced vital capacity and TNF-α between the acupoint catgut embedding combined group and the conventional western medication group. Harbord test showed no significant publication bias.ConclusionThe clinical efficacy of acupoint catgut embedding combined with conventional western medicine for stable COPD is better than that of conventional western medicine, and the safety may be equivalent to that of conventional western medicine, which has the value of further research exploration.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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