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Objective: To explore the clinical therapeutic effect of acupuncture on Alzheimer's disease (AD) and its mechanism., Methods: Twenty patients with Alzheimer's disease were treated by acupuncture with reinforcing kidney and activating blood method for 12 weeks and Baihui (GV 20), Shenshu (BL 23), Xuehai (SP 10) and Geshu (BL 17) were selected. The clinical therapeutic effect were assessed by comparing the scores of Alzheimer's Disease Assessment Scale-Cognitive Section (ADAS-Cog) and 8-IPF2alpha concentration in cerebrospinal fluid, blood and urine before and after treatment were detected by using enzyme linked immunosorbent assay., Results: After treatment, the effective rate was 90.0%. The score of ADAS-Cog was 35. 70 +/- 14. 70 before treatment and 31. 45 +/- 4. 08 after treatment, with a significant difference (P<0. 001). The concentration of 8-IPF2alpha in cerebrospinal fluid, blood and urine were all significantly decreased after treatment (all P<0.001)., Conclusion: Acupuncture can improve the cognitive ability of AD patients and its possible mechanism may be relative to the decrease in lipid peroxidation in AD patients' brain.

Objective: To observe clinical therapeutic effect of acupuncture combined with Yizhi Jiannao Granules for treatment of Alzheimer's disease and its effects on intelligence, daily life and social activity ability., Methods: Eighty-four cases were randomly divided into 3 groups, 28 cases in each group. The combined acupuncture and medication group was treated with acupuncture at Baihui (GV 20), Sishencong (EX-HN 1), Dazhui (GV 14), Guanyuan (CV 4), etc. and oral administration of Yizhi Jiannao Granules; the Chinese herb group was treated with Yizhi Jiannao Granules, and the western medicine group with oral administration of Aricept. The scores for the Mini-Mental State Examination (MMSE), Ability of Daily Life (ADL) and the therapeutic effects were assessed and compared before treatment and after treatment for 12 weeks among the groups., Results: After treatment, the scores for MMSE and ADL were improved in the combined acupuncture and medication group, the Chinese herb group and the western medicine group, which were better in the combined acupuncture and medication group (P < 0.05). The total effective rate of 85.7% in the combined acupuncture and medication group was better than 71.4% in the Chinese herb group and 67.9% in the western medicine group., Conclusion: Acupuncture combined with Yizhi Jiannao Granules has a significant therapeutic effect on Alzheimer's disease, which is better than that of Yizhi Jiannao Granules or Aricept.