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目的:探讨百会、水沟、神门改善血管性痴呆(VD)患者认知功能的相对特异性.方法:50例血管性痴呆患者,随机分为5组,分别治以常规穴位针刺,常规穴位加用百会穴,加用水沟穴,加用神门穴,加用百会、水沟和神门3穴.治疗前后运用老年认知功能量表(SECF)进行测评.结果:常规穴位加用百会、水沟、神门等穴位治疗后,SECF总分有显著提高;加用百会穴治疗后,VD患者的定向、瞬间记忆、长回忆、动物名、划销和计算、分类与类同等方面评分有明显提高;加用水沟穴治疗后,VD患者的定向、划销和计算、分类与类同等方面评分有明显提高;加用神门穴治疗后,VD患者的数字广度、动物名、分类与类同等方面评分有明显提高.结论:百会、水沟、神门能够改善VD患者认知功能,三穴虽然分别有各自的相对特异性,但联合运用效果最佳.,Objective: To study the relative specificity of Baihui (GV 20), Shuigou (GV 26) and Shenmen (HT 7) in improving the cognitive function of patients with vascular dementia (VD).Method: Fifty VD cases were randomized into 5 groups, which were treated with routine points,routine points plus Baihui (GV 20), routine points plus Shuigou (GV 26), routine points plus Shenmen (HT 7), and routine points plus the above-mentioned three points together respectively. The scale of elderly cognitive function (SECF) was measured before and after the treatment for statistical management. Results: The total score of SECF was markedly increased after Baihui (GV 20), Shuigou (GV 26) and Shenmen (HT 7) were added to the routine points, more specifically, with addition of Baihui (GV 20), the patients with VD got increased scores in such aspects as orientation, instant memory, long-term anamnesis, animal names, cancellation and calculation, and classification and analogy; with addition of Shuigou (GV 26), the patients with VD got increased scores in such aspects as orientation, cancellation and calculation, and classification and analogy; with addition of Shenmen (HT 7), the patients with VD got increased scores in such aspects as digital scope, animal names, and classification and analogy. Conclusion: Baihui (GV 20), Shuigou (GV 26) and Shenmen (HT 7) could improve the cognitive function of patients with VD, and the combination of the three points got the best result despite their respective specificity.