The Study Of Time And Effect Rules: Acupuncture At Shiqizhui EX-B8in Different Needle Retention Time For Primary Dysmenorrhea

Objective：To observe the effect of relieve pain and the rules with acupuncturingShiqizhui (EX-B8) in time-varying as soon as pain occurrence for primary dysmenorrhea,and provide a reference for the clinical treatment for making sure the best needle retentiontime and acupuncture frequency.Method:90patients with primary dysmenorrhea were randomly to the needleretention20min group (n=30), the needle retention30min group (n=30) and the controlgroup (n=30). The changes of the scores of VAS and SF-MPQ in pretherapy and post-treatment among the groups were observed by using the VAS and SF-MPQ.Result: Analgesic effect showed after10-minute needling, and the effect rising withneedle-retaining time (P＜0.05); the efficacy of needle retention30min group was betterthan needle retention20min group (P＜0.01); both of two treating groups could improvethe scores of each index of SF-MPQ, and there is no significant difference between them.Conclusion:1. acupuncturing at point Shiqizhui (EX-B8) as soon as pain occurrencefor primary dysmenorrhea has significant analgesic effect.2. acupuncturing at pointShiqizhui (EX-B8) can significantly improve the patients’ pain severity and the nature assoon as pain occurrence.3. the needle retention30min is the better than20min inacupuncturing single point Shiqizhui (EX-B8) as soon as pain occurrence.