• Yaqian Xu, Bowei Chen, Jian Yi, and Baiyan Liu.
• The First Hospital of Hunan University of Chinese Medicine, Changsha, China.
• Medicine (Baltimore). 2023 Dec 29; 102 (52): e36221e36221.

BackgroundAs the population ages, the prevalence of cerebral small vessel disease (CSVD) steadily increases, resulting in a significant economic burden on society. In East Asian nations, Chinese medicine has been used extensively to teat CSVD and has been reported to improve the cognitive function of patients. The present study aimed to comprehensively assess the efficacy and safety of Chinese medicine as adjuvant therapy for CSVD.MethodsA literature search of the CNKI, Wanfang, VIP, SinoMed, Medline, Cochrane Library, and ChiCTR databases were searched for RCTs investigating the use of TCM as an adjuvant in the treatment of CSVD, published up to July 27, 2023, was performed. Based on the Cochrane Collaboration Network bias risk assessment criteria, Review Manager version 5.3 was used to perform a meta-analysis.ResultsMeta-analysis of 27 RCTs, including 2554 subjects, revealed that the majority of the RCTs exhibited risk for ambiguous bias. The findings demonstrated that the use of Chinese medicine as an adjuvant treatment for CSVD effectively enhanced the cognitive function, as evidenced by improvements in the MMSE score (mean difference (MD) = 2.42, 95% confidence interval (CI) [1.79,3.17], P < .00001), MoCA score (MD = 2.39, 95% CI [1.78,2.99], P < .00001) and ADL score (MD = 4.13, 95% CI [1.74,6.51], P = .0007). Furthermore, the study also demonstrated the advantages of Chinese medicine adjuvant therapy in enhancing the Chinese medicine syndrome score (MD = -2.57, 95% CI [-3.31, -1.83], P < .00001), CRP (MD = -1.35, 95% CI [-2.27, -0.43], P = .004), Hcy (MD = -3.44,95% CI [-4.05, -2.83], P < .00001), and blood flow velocity (CBV) (MD = 1.37,95% CI [0.24,2.50], P = .02). Moreover, there was no statistical difference in the incidence of adverse reactions between the 2 groups.ConclusionFindings of the present study indicate that the Chinese medicine, as an adjuvant to conventional treatment, appeared to be efficacious in enhancing cognitive function, reducing Chinese medicine syndrome score, improving blood biochemical markers, and improving cerebral blood flow perfusion in patients with CSVD, without any notable adverse reactions. However, it is imperative to validate these conclusions in future high-quality investigations.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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