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  • Title: Hegu acupuncture for chronic low-back pain: a randomized controlled trial.
    Author: Yun M, Shao Y, Zhang Y, He S, Xiong N, Zhang J, Guo M, Liu D, Luo Y, Guo L, Yan J.
    Journal: J Altern Complement Med; 2012 Feb; 18(2):130-6. PubMed ID: 22339101.
    Abstract:
    BACKGROUND: Acupuncture has long been employed for the treatment of chronic low back pain (CLBP). However, very few studies have characterized the effectiveness of the different acupuncture modes for CLBP. METHODS: In total, 187 patients with CLBP participated in this study. Eligible patients were randomized to Hegu acupuncture, Standard acupuncture, or Usual Care groups. Eighteen (18) treatments were provided over 7 weeks. Back-related dysfunction and symptom severity were assessed by the Roland-Morris Disability Questionnaire (RMDQ) and the Visual Analogue Scale (VAS), which were collected at baseline and at 8 and 48 weeks after beginning the treatment. Repeated-measures analysis of variance (ANOVA) was employed for factorial analyses. RESULTS: Significant differences were found between follow-up and the baseline scores (p<0.05). The Hegu acupuncture group had higher RMDQ scores (8 weeks, 5.3 versus 2.1; 48 weeks, 5.7 versus 3.3; p<0.001 for both) and VAS scores (8 weeks, 1.5 versus 0.5; 48 weeks, 2.6 versus 1.6; p<0.001 for both) compared with the usual care group. The standardized acupuncture group also had higher RMDQ scores (8 weeks, 4.2 versus 2.1; 48 weeks, 4.6 versus 3.3, p<0.001 for both) and VAS scores (8 weeks, 1.3 versus 0.5; 48 weeks, 2.4 versus 1.6, p<0.001 for both) compared with the Usual Care group. The Hegu group had higher RMDQ scores (8 weeks, p<0.05; 48 weeks, p<0.001) and VAS scores (48 weeks, p<0.05) compared with the standardized group. There was a significant difference between the Hegu and standardized acupuncture groups in repeated-measures ANOVA (p<0.05). Across the three testing points, significant differences were found in the RMDQ and VAS scores between the usual care group and both treatment groups (p<0.001). CONCLUSIONS: Both acupuncture modes have beneficial and persistent effectiveness against CLBP compared with the usual care group; Hegu acupuncture is significantly more effective than standardized acupuncture, especially in the long term.
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