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Acupuncture for Pain Management in Evidence-based Medicine
Zhipeng Ning,Lixing Lao 사단법인약침학회 2015 Journal of Acupuncture & Meridian Studies Vol.8 No.5
Pain is an enormous and prevalent problem that troubles people of all ages worldwide. The effectiveness of acupuncture for pain management has been strongly verified by large randomized controlled trials (RCTs) and meta-analyses. Increasing numbers of patients with pain have accepted acupuncture treatment worldwide. However, some challenges exist in establishing evidence for the efficacy of acupuncture. A more applicable and innovative research methodology that can reflect the effect of acupuncture in the settings of daily clinical practice needs to be developed.
Haiyong Chen,Zhipeng Ning,Wing Lok Lam,Wai-Yee Lam,Ying Ke Zhao,Jerry Wing Fai Yeung,Bacon Fung-Leung Ng,Eric Tat-Chi Ziea,Lixing Lao 사단법인약침학회 2016 Journal of Acupuncture & Meridian Studies Vol.9 No.5
Analgesic effects of acupuncture have been extensively studied in various clinical trials. However, the conclusion remains controversial, even among large scale randomized controlled trials. This study aimed to evaluate the association between the conclusion of the trials and the types of control used in those trials via systematic review. Published randomized controlled trials of acupuncture for pain were retrieved from electronic databases (Medline, AMED, Cochrane libraries, EMBASE, PsycINFO, Clinicaltrials.gov, and CAB Abstracts) using a prespecified search strategy. One hundred and thirty-nine studies leading to 166 pairs of acupuncture-control treatment effect comparisons (26 studies comprised of 53 intervention-control pairs) were analyzed based on the proportion of positive conclusions in different control designs. We found that treatment effects of acupuncture compared with nontreatment controls had the highest tendency to yield a positive conclusion (84.3%), compared with nonneedle-insertion controls (53.3%). Whereas with needle-insertion controls, the lowest tendency of positive conclusions was observed (37.8%). Consistently, in studies reporting successful blinding, a higher tendency of positive findings on the treatment effect of acupuncture was found in the noninsertion sham controls compared with that in the insertion sham controls. We conclude that the type of control is likely to affect the conclusion in acupuncture analgesic trials. Appropriate control should be chosen according to the aims of studies. Analgesic effects of acupuncture have been extensively studied in various clinical trials. However, the conclusion remains controversial, even among large scale randomized controlled trials. This study aimed to evaluate the association between the conclusion of the trials and the types of control used in those trials via systematic review. Published randomized controlled trials of acupuncture for pain were retrieved from electronic databases (Medline, AMED, Cochrane libraries, EMBASE, PsycINFO, Clinicaltrials.gov, and CAB Abstracts) using a prespecified search strategy. One hundred and thirty-nine studies leading to 166 pairs of acupuncture-control treatment effect comparisons (26 studies comprised of 53 intervention-control pairs) were analyzed based on the proportion of positive conclusions in different control designs. We found that treatment effects of acupuncture compared with nontreatment controls had the highest tendency to yield a positive conclusion (84.3%), compared with nonneedle-insertion controls (53.3%). Whereas with needle-insertion controls, the lowest tendency of positive conclusions was observed (37.8%). Consistently, in studies reporting successful blinding, a higher tendency of positive findings on the treatment effect of acupuncture was found in the noninsertion sham controls compared with that in the insertion sham controls. We conclude that the type of control is likely to affect the conclusion in acupuncture analgesic trials. Appropriate control should be chosen according to the aims of studies.