Abstract | BACKGROUND: Acupuncture is often used for primary dysmenorrhea. But there is no convincing evidence due to low methodological quality. We aim to assess immediate effect of acupuncture at specific acupoint compared with unrelated acupoint and nonacupoint on primary dysmenorrhea. METHODS: The Acupuncture Analgesia Effect in Primary Dysmenorrhoea-II is a multicenter controlled trial conducted in six large hospitals of China. Patients who met inclusion criteria were randomly assigned to classic acupoint (N = 167), unrelated acupoint (N = 167), or non- acupoint (N = 167) group on a 1:1:1 basis. They received three sessions with electro-acupuncture at a classic acupoint (Sanyinjiao, SP6), or an unrelated acupoint (Xuanzhong, GB39), or nonacupoint location, respectively. The primary outcome was subjective pain as measured by a 100-mm visual analog scale (VAS). Measurements were obtained at 0, 5, 10, 30, and 60 minutes following the first intervention. In addition, patients scored changes of general complaints using Cox retrospective symptom scales (RSS-Cox) and 7-point verbal rating scale (VRS) during three menstrual cycles. Secondary outcomes included VAS score for average pain, pain total time, additional in-bed time, and proportion of participants using analgesics during three menstrual cycles. FINDINGS: Five hundred and one people underwent random assignment. The primary comparison of VAS scores following the first intervention demonstrated that classic acupoint group was more effective both than unrelated acupoint (-4.0 mm, 95% CI -7.1 to -0.9, P = 0.010) and nonacupoint (-4.0 mm, 95% CI -7.0 to -0.9, P = 0.012) groups. However, no significant differences were detected among the three acupuncture groups for RSS-Cox or VRS outcomes. The per-protocol analysis showed similar pattern. No serious adverse events were noted. CONCLUSION:
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Authors | Cun-Zhi Liu, Jie-Ping Xie, Lin-Peng Wang, Yu-Qi Liu, Jia-Shan Song, Yin-Ying Chen, Guang-Xia Shi, Wei Zhou, Shu-Zhong Gao, Shi-Liang Li, Jian-Min Xing, Liang-Xiao Ma, Yan-Xia Wang, Jiang Zhu, Jian-Ping Liu |
Journal | Pain medicine (Malden, Mass.)
(Pain Med)
Vol. 15
Issue 6
Pg. 910-20
(Jun 2014)
ISSN: 1526-4637 [Electronic] England |
PMID | 24636695
(Publication Type: Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
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Copyright | Wiley Periodicals, Inc. |
Topics |
- Acupuncture Points
- Acupuncture Therapy
(methods)
- Adult
- China
(epidemiology)
- Dysmenorrhea
(diagnosis, epidemiology, therapy)
- Female
- Humans
- Pain Management
(methods)
- Pain Measurement
(methods)
- Young Adult
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