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目的:观察不同频率电针治疗偏头痛的临床疗效.方法:将90例偏头痛患者按随机数字表法分成低频电针组,高频电针组和变频电针组.三组均取率谷、合谷、外关、太冲、太阳、风池和阿是穴,针刺得气后,低频电针组接受2 Hz连续波电针刺激,高频电针组接受100 Hz连续波电针刺激,变频电针组接受2 Hz/100 Hz疏密波电针刺激.三组刺激时间均为30 min.每日治疗1次,10次为1个疗程,连续治疗2个疗程后评定疗效.结果:治疗后,低频电针组、高频电针组和变频电针组的总有效率分别为77.7%、83.3%和93.3%.低频电针组与高频电针组总有效率无统计学差异(P>0.05),变频电针组总有效率高于低频电针组和高频电针组,组间差异均具有统计学意义(均P<0.01).治疗后,3组头痛评分均较本组治疗前明显下降(均P0.05),变频电针组头痛评分下降程度显著低于低频电针组和高频电针组,组间差异均具有统计学意义(均P0.05), but the total effective rate was significantly higher in the VF-EA group than in the LF-EA and HF-EA groups (both P<0.01). After treatment, the headache scores significantly decreased in all three groups (all P0.05), while the score was significantly lower in the VF-EA group than in the LF-EA and HF-EA groups (both P<0.01). Conclusion: VF-EA (2 Hz/100 Hz), compared with LF-EA (2 Hz) and HF-EA (100 Hz), shows superior clinical efficacy in treating migraine.