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[Therapeutic efficacy assessment of Chinese medicine on mild cognitive impairment]
Shu-hua Han1, Hao Li, Long-tao Liu
1Department of Education, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing.
Objective:
To systematically analyze the therapeutic efficacy and safety of Chinese medicine on aged patients with mild cognitive impairment (MCI).
Methods:
The PubMed, EMbase, Cochrane Library, CNKI, VIP, Wanfang Database, and CBM database were retrieved by computer. On the basis of strictly assessing the quality of literatures, the evidence quality was assessed using GRADE Software.
Results:
Totally 680 papers were primarily retrieved and analyses were conducted in the finally selected 22 RCT articles. Descriptive analyses were conduced due to different interventions in each study. The therapeutic efficacy was assessed as follows. (1) As to the conversion of MCI to Alzheimer's disease (AD), no case conversed to MCI in Jiawei Wuzi Yanzong Granule Group and Shenyin Oral Liquid Group. But there was no statistical difference when compared with that in the placebo group and the vitamin E group. Significant difference was shown between Tiantai No. 1 and the placebo. (2) As for the improvement of cognitive functions, relative therapeutic efficacies of Chinese herbs were different. (3) The improvement of the activities of daily life, serum SOD and MDA contents, and P amyloid concentration in MCI patients was different due to the application of different therapeutic drugs.
Conclusion:
Chinese herbs showed certain therapeutic efficacy in improving MCI. But clinical application could not be recommended due to poor qualities of literatures and evidence.
