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  • Title: [Cumulative analgesic effects of EA stimulation of sanyinjiao (SP 6) in primary dysmenorrhea patients: a multicenter randomized controlled clinical trial].
    Author: Song JS, Liu YQ, Liu CZ, Xie JP, Ma LX, Wang LP, Zheng YY, Ma ZB, Yang H, Chen X, Shi GX, Li SL, Zhao JP, Han JX, Wang YX, Liu JP, Zhu J.
    Journal: Zhen Ci Yan Jiu; 2013 Oct; 38(5):393-8. PubMed ID: 24308187.
    Abstract:
    OBJECTIVE: To compare the cumulative analgesic effect of electroacupuncture (EA) stimulation of Sanyinjiao (SP 6), Xuanzhong (GB 39) and non-acupoint for primary dysmenorrhea patients. METHODS: A total of 200 patients with primary dysmenorrhea were randomly assigned to Sanyinjiao (SP 6, a dysmenorrheal-relieving related acupoint) group, Xuanzhong (GB 39, an unrelated acupoint) group, non-acupoint group and control group, with 50 cases in each group. The participants were administered with EA (2 Hz/100 Hz, 0.5-1.6 mA) at SP 6, GB 39 and non-acupoint for 30 min, once daily for 3 consecutive days. The intensity of the pain was ranked from 0 (no pain) to 100 (intolerable) using visual analogue scale (VAS) and RSS (Cox retrospective symptom scale) severity rating scores (RSS-COX 2) before and after three interventions. RESULTS: In comparison with the control group, VAS and RSS-COX 2 scores were significantly lower in the SP 36, GB 39 and non-acupoint groups (P < 0.001, P < 0.05), suggesting an alleviation of the pain severity after EA treatment. No significant differences were found among the three treatment groups in both VAS and RSS-COX 2 scores (P > 0.05). CONCLUSION: EA stimulation of SP 6, GB 39 and non-acupoint has a good cumulative analgesic effect in patients with primary dysmenorrhea.
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