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      Acupuncture and moxibustion for chronic fatigue syndrome in traditional Chinese medicine: a systematic review and meta-analysis

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          Abstract

          Background

          As the etiology of chronic fatigue syndrome (CFS) is unclear and the treatment is still a big issue. There exists a wide range of literature about acupuncture and moxibustion (AM) for CFS in traditional Chinese medicine (TCM). But there are certain doubts as well in the effectiveness of its treatment due to the lack of a comprehensive and evidence-based medical proof to dispel the misgivings. Current study evaluated systematically the effectiveness of acupuncture and moxibustion treatments on CFS, and clarified the difference among them and Chinese herbal medicine, western medicine and sham-acupuncture.

          Methods

          We comprehensively reviewed literature including PubMed, EMBASE, Cochrane library, CBM (Chinese Biomedical Literature Database) and CNKI (China National Knowledge Infrastructure) up to May 2016, for RCT clinical research on CFS treated by acupuncture and moxibustion. Traditional direct meta-analysis was adopted to analyze the difference between AM and other treatments. Analysis was performed based on the treatment in experiment and control groups. Network meta-analysis was adopted to make comprehensive comparisons between any two kinds of treatments. The primary outcome was total effective rate, while relative risks (RR) and 95% confidence intervals (CI) were used as the final pooled statistics.

          Results

          A total of 31 randomized controlled trials (RCTs) were enrolled in analyses. In traditional direct meta-analysis, we found that in comparison to Chinese herbal medicine, CbAM (combined acupuncture and moxibustion, which meant two or more types of acupuncture and moxibustion were adopted) had a higher total effective rate (RR (95% CI), 1.17 (1.09 ~ 1.25)). Compared with Chinese herbal medicine, western medicine and sham-acupuncture, SAM (single acupuncture or single moxibustion) had a higher total effective rate, with RR (95% CI) of 1.22 (1.14 ~ 1.30), 1.51 (1.31–1.74), 5.90 (3.64–9.56). In addition, compared with SAM, CbAM had a higher total effective rate (RR (95% CI), 1.23 (1.12 ~ 1.36)). In network meta-analyses, similar results were recorded. Subsequently, we ranked all treatments from high to low effective rate and the order was CbAM, SAM, Chinese herbal medicine, western medicine and sham-acupuncture.

          Conclusions

          In the treatment of CFS, CbAM and SAM may have better effect than other treatments. However, the included trials have relatively poor quality, hence high quality studies are needed to confirm our finding.

          Electronic supplementary material

          The online version of this article (doi:10.1186/s12906-017-1647-x) contains supplementary material, which is available to authorized users.

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          Most cited references41

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          Acupuncture for patients with migraine: a randomized controlled trial.

          Acupuncture is widely used to prevent migraine attacks, but the available evidence of its benefit is scarce. To investigate the effectiveness of acupuncture compared with sham acupuncture and with no acupuncture in patients with migraine. Three-group, randomized, controlled trial (April 2002-January 2003) involving 302 patients (88% women), mean (SD) age of 43 (11) years, with migraine headaches, based on International Headache Society criteria. Patients were treated at 18 outpatient centers in Germany. Acupuncture, sham acupuncture, or waiting list control. Acupuncture and sham acupuncture were administered by specialized physicians and consisted of 12 sessions per patient over 8 weeks. Patients completed headache diaries from 4 weeks before to 12 weeks after randomization and from week 21 to 24 after randomization. Difference in headache days of moderate or severe intensity between the 4 weeks before and weeks 9 to 12 after randomization. Between baseline and weeks 9 to 12, the mean (SD) number of days with headache of moderate or severe intensity decreased by 2.2 (2.7) days from a baseline of 5.2 (2.5) days in the acupuncture group compared with a decrease to 2.2 (2.7) days from a baseline of 5.0 (2.4) days in the sham acupuncture group, and by 0.8 (2.0) days from a baseline if 5.4 (3.0) days in the waiting list group. No difference was detected between the acupuncture and the sham acupuncture groups (0.0 days, 95% confidence interval, -0.7 to 0.7 days; P = .96) while there was a difference between the acupuncture group compared with the waiting list group (1.4 days; 95% confidence interval; 0.8-2.1 days; P<.001). The proportion of responders (reduction in headache days by at least 50%) was 51% in the acupuncture group, 53% in the sham acupuncture group, and 15% in the waiting list group. Acupuncture was no more effective than sham acupuncture in reducing migraine headaches although both interventions were more effective than a waiting list control.
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            A community-based study of chronic fatigue syndrome.

            Most previous estimates of the prevalence of chronic fatigue syndrome (CFS) have derived largely from treated populations, and have been biased by differential access to health care treatment linked with sex, ethnic identification, and socioeconomic status. To assess the point prevalence of CFS in an ethnically diverse random community sample. A sample of 28,673 adults in Chicago, Ill, was screened by telephone, and those with CFS-like symptoms were medically evaluated. MAIN OUTCOME MEASURES AND ANALYSES: Self-report questionnaires, psychiatric evaluations, and complete medical examinations with laboratory testing were used to diagnose patients with CFS. Univariate and multivariate statistical techniques were used to delineate the overall rate of CFS in this population, and its relative prevalence was subcategorized by sex, ethnic identification, age, and socioeconomic status. There was a 65.1% completion rate for the telephone interviews during the first phase of the study. Findings indicated that CFS occurs in about 0.42% (95% confidence interval, 0.29%-0.56%) of this random community-based sample. The highest levels of CFS were consistently found among women, minority groups, and persons with lower levels of education and occupational status. Chronic fatigue syndrome is a common chronic health condition, especially for women, occurring across ethnic groups. Earlier findings suggesting that CFS is a syndrome primarily affecting white, middle-class patients were not supported by our findings.
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              Antihypertensive drugs and risk of cancer: network meta-analyses and trial sequential analyses of 324,168 participants from randomised trials.

              The risk of cancer from antihypertensive drugs has been much debated, with a recent analysis showing increased risk with angiotensin-receptor blockers (ARBs). We assessed the association between antihypertensive drugs and cancer risk in a comprehensive analysis of data from randomised clinical trials. We undertook traditional direct comparison meta-analyses, multiple comparisons (network) meta-analyses, and trial sequential analyses. We searched PubMed, Embase, and the Cochrane Central Register of Controlled Trials from 1950, to August, 2010, for randomised clinical trials of antihypertensive therapy (ARBs, angiotensin-converting-enzyme inhibitors [ACEi], β blockers, calcium-channel blockers [CCBs], or diuretics) with follow-up of at least 1 year. Our primary outcomes were cancer and cancer-related deaths. We identified 70 randomised controlled trials (148 comparator groups) with 324,168 participants. In the network meta-analysis (fixed-effect model), we recorded no difference in the risk of cancer with ARBs (proportion with cancer 2·04%; odds ratio 1·01, 95% CI 0·93-1·09), ACEi (2·03%; 1·00, 0·92-1·09), β blockers (1·97%; 0·97, 0·88-1·07), CCBs (2·11%; 1·05, 0·96-1·13), diuretics (2·02%; 1·00, 0·90-1·11), or other controls (1·95%, 0·97, 0·74-1·24) versus placebo (2·02%). There was an increased risk with the combination of ACEi plus ARBs (2·30%, 1·14, 1·02-1·28); however, this risk was not apparent in the random-effects model (odds ratio 1·15, 95% CI 0·92-1·38). No differences were detected in cancer-related mortality for ARBs (death rate 1·33%; odds ratio 1·00, 95% CI 0·87-1·15), ACEi (1·25%; 0·95, 0·81-1·10), β blockers (1·23%; 0·93, 0·80-1·08), CCBs (1·27%; 0·96, 0·82-1·11), diuretics (1·30%; 0·98, 0·84-1·13), other controls (1·43%; 1·08, 0·78-1·46), and ACEi plus ARBs (1·45%; 1·10, 0·90-1·32). In direct comparison meta-analyses, similar results were recorded for all antihypertensive classes, except for an increased risk of cancer with ACEi and ARB combination (OR 1·14, 95% CI 1·04-1·24; p=0·004) and with CCBs (1·06, 1·01-1·12; p=0·02). However, we noted no significant differences in cancer-related mortality. On the basis of trial sequential analysis, our results suggest no evidence of even a 5-10% relative risk (RR) increase of cancer and cancer-related deaths with any individual class of antihypertensive drugs studied. However, for the ACEi and ARB combination, the cumulative Z curve crossed the trial sequential monitoring boundary, suggesting firm evidence for at least a 10% RR increase in cancer risk. Our analysis refutes a 5·0-10·0% relative increase in the risk of cancer or cancer-related death with the use of ARBs, ACEi, β blockers, diuretics, and CCBs. However, increased risk of cancer with the combination of ACEi and ARBs cannot be ruled out. Copyright © 2011 Elsevier Ltd. All rights reserved.
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                Author and article information

                Contributors
                wangtaiwu@hotmail.com
                764315695@qq.com
                fiesta7280@sina.com
                hongyanxiong@126.com
                Journal
                BMC Complement Altern Med
                BMC Complement Altern Med
                BMC Complementary and Alternative Medicine
                BioMed Central (London )
                1472-6882
                23 March 2017
                23 March 2017
                2017
                : 17
                : 163
                Affiliations
                ISNI 0000 0004 1760 6682, GRID grid.410570.7, Department of Epidemiology, College of Preventive Medicine, , Third Military Medical University, ; Gaotanyan Road 30, Shapingba District, Chongqing, 400038 China
                Article
                1647
                10.1186/s12906-017-1647-x
                5363012
                28335756
                80d91f13-6bbf-4894-a020-3593a5545d4d
                © The Author(s). 2017

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

                History
                : 25 June 2016
                : 23 February 2017
                Funding
                Funded by: Ministry of Health of China
                Award ID: 201002012
                Award Recipient :
                Funded by: Chongqing Health and Family Planning Commission
                Award ID: 20141027
                Award Recipient :
                Categories
                Research Article
                Custom metadata
                © The Author(s) 2017

                Complementary & Alternative medicine
                acupuncture and moxibustion,chronic fatigue syndrome,traditional meta-analysis,network meta-analysis,acupoint

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