• Jin Gou, Hao-Xin Yang, Yao Yu, and Rong-Juan Guo.
• Dongfang Hospital, Beijing University of Chinese Medicine Beijing 100078, China.
• Zhongguo Zhong Yao Za Zhi. 2020 Apr 1; 45 (8): 1924-1932.

AbstractTo analyze the efficacy and safety of Compound Congrong Yizhi Capsules in treatment of vascular cognitive impairment. Databases, such as CNKI, WanFang, VIP, SinoMed, PubMed, Cochrane Library, ClinicalTrials were electronically retrieved for relevant randomized controlled trials about the effect of Compound Congrong Yizhi Capsules in treatment of vascular cognitive impairment. Two researchers independently screened the literatures and extracted data according to the inclusion criteria, and used the risk of bias assessment tool in the Cochrane evaluation manual for quality assessment. The Cochrane systematic evaluation software RevMan 5.3 was used for data analysis. Totally 12 articles including 1 279 patients were included. The intervention measure was Compound Congrong Yizhi Capsules used alone or combined with Western medicine, and the control measure was the Western medicine alone or the blank control. According to the findings, for patients of vascular cognitive impairment no dementia, Compound Congrong Yizhi Capsules was better than the blank control in improving MoCA scale score and serum NO levels and reducing serum ET-1 levels. For vascular dementia patients, Compound Congrong Yizhi Capsules combined with Western medicine was better than Western medicine alone in improving MMSE and MoCA scale score. Five studies reported adverse events, but no significant adverse reaction was found. In conclusion, Compound Congrong Yizhi Capsules alone could alliviate early cognitive impairment in patients of vascular cognitive impairment no dementia; Compound Congrong Yizhi Capsules combined with Western medicine is superior to Western medicine alone in improving cognitive impairment. No obvious adverse reaction was found. Compound Congrong Yizhi Capsules can be recommended in clinical use. This conclusion needs to be further confirmed in high-quality clinical trials in the future.

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