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Broad synthesis / Overview of systematic reviews

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Massage for Pain: An Evidence Map.

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Journal Journal of alternative and complementary medicine (New York, N.Y.)
Year 2019
Links Pubmed DOI PubMed Central

This article includes 53 Systematic reviews Systematic reviews (53 references)

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OBJECTIVES: Massage therapy has been proposed for painful conditions, but it can be difficult to understand the breadth and depth of evidence, as various painful conditions may respond differently to massage. The authors conducted an evidence mapping process and generated an "evidence map" to visually depict the distribution of evidence available for massage and various pain indications to identify gaps in evidence and to inform future research priorities. DESIGN: The authors searched PubMed, Embase, and Cochrane for systematic reviews reporting pain outcomes for massage therapy. The authors assessed the quality of each review using the Assessing the Methodological Quality of Systematic Reviews (AMSTAR) criteria. The authors used a bubble plot to depict the number of included articles, pain indication, effect of massage for pain, and strength of findings for each included systematic review. RESULTS: The authors identified 49 systematic reviews, of which 32 were considered high quality. Types of pain frequently included in systematic reviews were cancer pain, low back pain, and neck pain. High quality reviews concluded that there was low strength of evidence of potential benefits of massage for labor, shoulder, neck, low back, cancer, arthritis, postoperative, delayed onset muscle soreness, and musculoskeletal pain. Reported attributes of massage interventions include style of massage, provider, co-interventions, duration, and comparators, with 14 high-quality reviews reporting all these attributes in their review. CONCLUSION: Prior reviews have conclusions of low strength of evidence because few primary studies of large samples with rigorous methods had been conducted, leaving evidence gaps about specific massage type for specific pain. Primary studies often do not provide adequate details of massage therapy provided, limiting the extent to which reviews are able to draw conclusions about characteristics such as provider type.

Broad synthesis / Overview of systematic reviews

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Assisted reproductive technology: an overview of Cochrane Reviews.

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Authors Farquhar C , Marjoribanks J
Journal The Cochrane database of systematic reviews
Year 2018
Links Pubmed DOI PubMed Central

This article includes 54 Systematic reviews Systematic reviews (54 references)

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BACKGROUND: As many as one in six couples will encounter problems with fertility, defined as failure to achieve a clinical pregnancy after regular intercourse for 12 months. Increasingly, couples are turning to assisted reproductive technology (ART) for help with conceiving and ultimately giving birth to a healthy live baby of their own. Fertility treatments are complex, and each ART cycle consists of several steps. If one of these steps is incorrectly applied, the stakes are high as conception may not occur. With this in mind, it is important that each step of the ART cycle is supported by good evidence from well-designed studies. OBJECTIVES: To summarise the evidence from Cochrane systematic reviews on procedures and treatment options available to couples with subfertility undergoing assisted reproductive technology (ART) procedures. METHODS: Published Cochrane systematic reviews of couples undergoing ART procedures (in vitro fertilisation or intracytoplasmic sperm injection) were eligible for inclusion in the overview. We also identified Cochrane reviews in preparation, for future inclusion.The primary outcome of the overview was live birth or the composite outcome live birth or ongoing pregnancy, as reported by the included reviews. Our secondary outcomes were clinical pregnancy, multiple pregnancy, miscarriage, and ovarian hyperstimulation syndrome. We excluded studies of intrauterine insemination and ovulation induction.We undertook selection of systematic reviews, data extraction, and quality assessment in duplicate. We assessed review quality by using the AMSTAR tool. We organised reviews by their relevance to specific stages in the ART cycle. We summarised their findings in the text and reported data for each outcome in 'Additional tables'. MAIN RESULTS: We included 68 systematic reviews published in the Cochrane Library up to May 2018. All were of high quality. These reviews identified 38 interventions that were effective (n = 23) or promising (n = 15), and they identified 19 interventions that were ineffective (n = 2) or possibly ineffective (n = 17). For 15 interventions, review authors were unable to draw conclusions owing to lack of evidence.We identified an additional 11 protocols and four titles for future inclusion in this overview. AUTHORS' CONCLUSIONS: This overview provides the most up-to-date evidence on ART cycles from systematic reviews of randomised controlled trials. Fertility treatments are costly, and the stakes are high. Using the best available evidence to optimise outcomes is best practice. Evidence from this overview could be used to develop clinical practice guidelines and protocols that can be applied in daily clinical practice to improve live birth rates and reduce rates of multiple pregnancy, cycle cancellation, and ovarian hyperstimulation syndrome.

Broad synthesis / Overview of systematic reviews

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Effects of Acupuncture on the Outcomes of Assisted Reproductive Technology: An Overview of Systematic Reviews.

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Journal Evidence-based Complementary & Alternative Medicine (eCAM)
Year 2018
Links Pubmed DOI PubMed Central

This article includes 8 Systematic reviews Systematic reviews (8 references)

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Objectives. To conclude the evidence from systematic reviews (SRs) and meta-analyses assessing the effectiveness of acupuncture to treat couples with subfertility undergoing ART. Methods. We searched the major databases from their inception to March 2018: PubMed, Embase, The Cochrane Library, China National Knowledge Infrastructure (CNKI), Wanfang Database, Chongqing VIP, and Sino-Med (the Chinese database). The primary outcomes of the overview were live birth and clinical pregnancy, and secondary outcomes were ongoing pregnancy, miscarriage, and adverse events. Study selection, quality assessment, and data extraction were performed independently by two review authors. Review methodological quality was assessed by using the AMSTAR tool, and the quality of the evidence was rated by GRADE methods. Results. Eleven systematic reviews were included and published between 2009 and 2017. Our study showed that the acupuncture treatment seems to be a useful tool to improve the clinical pregnancy rate in patients who undergo assisted reproduction therapy. However, there was no evidence that acupuncture had any effect on live birth rate, ongoing pregnancy rates, or miscarriage regardless of whether acupuncture was performed around the time of oocyte retrieval or around the day of embryo transfer; this evidence is inconclusive because of the low quality of the included studies. Conclusions. The evidence for acupuncture to treat couples with subfertility undergoing ART remains unclear. Further research is needed, with high-quality trials undertaken and reported.

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Effective treatment options for musculoskeletal pain in primary care: A systematic overview of current evidence.

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Journal PloS one
Year 2017
Links Pubmed DOI PubMed Central

This article includes 3 Primary studies Primary studies (3 references) 135 Systematic reviews Systematic reviews (135 references)

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BACKGROUND & AIMS: Musculoskeletal pain, the most common cause of disability globally, is most frequently managed in primary care. People with musculoskeletal pain in different body regions share similar characteristics, prognosis, and may respond to similar treatments. This overview aims to summarise current best evidence on currently available treatment options for the five most common musculoskeletal pain presentations (back, neck, shoulder, knee and multi-site pain) in primary care. METHODS: A systematic search was conducted. Initial searches identified clinical guidelines, clinical pathways and systematic reviews. Additional searches found recently published trials and those addressing gaps in the evidence base. Data on study populations, interventions, and outcomes of intervention on pain and function were extracted. Quality of systematic reviews was assessed using AMSTAR, and strength of evidence rated using a modified GRADE approach. RESULTS: Moderate to strong evidence suggests that exercise therapy and psychosocial interventions are effective for relieving pain and improving function for musculoskeletal pain. NSAIDs and opioids reduce pain in the short-term, but the effect size is modest and the potential for adverse effects need careful consideration. Corticosteroid injections were found to be beneficial for short-term pain relief among patients with knee and shoulder pain. However, current evidence remains equivocal on optimal dose, intensity and frequency, or mode of application for most treatment options. CONCLUSION: This review presents a comprehensive summary and critical assessment of current evidence for the treatment of pain presentations in primary care. The evidence synthesis of interventions for common musculoskeletal pain presentations shows moderate-strong evidence for exercise therapy and psychosocial interventions, with short-term benefits only from pharmacological treatments. Future research into optimal dose and application of the most promising treatments is needed.

Broad synthesis / Overview of systematic reviews

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Efficacy, tolerability, and safety of non-pharmacological therapies for chronic pain: An umbrella review on various CAM approaches.

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Authors Houzé B , El-Khatib H , Arbour C
Journal Progress in neuro-psychopharmacology & biological psychiatry
Year 2017
Links Pubmed DOI

This article includes 26 Systematic reviews Systematic reviews (26 references)

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BACKGROUND: Complementary and alternative medicine (CAM) therapies may be used as a non-pharmacological approach to chronic pain management. While hundreds of trials about individual CAM modality have been conducted, a comprehensive overview of their results is currently lacking for pain clinicians and researchers. AIM: This umbrella review synthesized the quality of meta-analytic evidence supporting the efficacy, tolerability and safety of CAM therapies for the management of chronic pain. Materials & methods: MEDLINE, EMBASE, CINAHL, and CENTRAL were searched from October 1991 to November 2016. Reviews of clinical trials (randomized and non-randomized) with meta-analysis investigating the utility of any CAM modality for chronic pain were eligible. Pain relief post-intervention was the main outcome and secondary outcomes included patients' adherence and incidence of adverse effects during CAM protocol. RESULTS: Twenty-six reviews (207 clinical trials, > 12,000 participants) about 18 CAM modalities, falling under natural products, mind and body practices or other complementary health approaches were included. Inhaled cannabis, graded motor imagery, and Compound Kushen injection (a form of Chinese medicine) were found the most efficient (with moderate-to-high effect sizes and low heterogeneity) and tolerable (≥ 80% of adherence to study protocols) for chronic pain relief. When reported, adverse effects related to these CAM were minor. CONCLUSION: Although several CAM were found effective for chronic pain relief, it remains unclear when these modalities are a reasonable choice against or in conjunction with mainstream treatments. In that sense, future research with a clear emphasis on concurrent evaluation of CAM overall efficacy and patient adherence/tolerance is needed. (PsycInfo Database Record (c) 2021 APA, all rights reserved)

Broad synthesis

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Noninvasive Treatments for Low Back Pain

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Book AHRQ Comparative Effectiveness Reviews
Year 2016
Links Pubmed

This article includes 126 Primary studies Primary studies (126 references) 16 Systematic reviews Systematic reviews (16 references)

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RESULTS: Of the 2,545 citations identified at the title and abstract level, a total of 156 publications were included. Most trials enrolled patients with pain symptoms of at least moderate intensity (e.g., >5 on a 0- to 10-point numeric rating scale for pain). Across interventions, pain intensity was the most commonly reported outcome, followed by back-specific function. When present, observed benefits for pain were generally in the small (5 to 10 points on a 0- to 100-point visual analog scale or 0.5 to 1.0 points on a 0- to 10-point numeric rating scale) to moderate (10 to 20 points) range. Effects on function were generally smaller than effects on pain; in some cases, there were positive effects on pain but no effects on function, and fewer studies measured function than pain. Benefits were mostly measured at short-term followup. For acute low back pain, evidence suggested that NSAIDs (strength of evidence [SOE]: low to moderate), skeletal muscle relaxants (SOE; moderate), opioids (SOE; low), exercise (SOE; low), and superficial heat (SOE; moderate) are more effective than placebo, no intervention, or usual care, and that acetaminophen (SOE; low) and systemic corticosteroids (SOE; low) are no more effective than placebo. For chronic low back pain, effective therapies versus placebo, sham, no treatment, usual care, or wait list are NSAIDs, opioids, tramadol, duloxetine, multidisciplinary rehabilitation, acupuncture, and exercise (SOE; moderate) and benzodiazepines, psychological therapies, massage, yoga, tai chi, and low-level laser therapy (SOE; low); spinal manipulation was as effective as other active interventions (SOE; moderate). Few trials evaluated the effectiveness of treatments for radicular low back pain, but the available evidence found that benzodiazepines, corticosteroids, traction, and spinal manipulation were not effective or were associated with small effects (SOE; low). Relatively few trials directly compared the effectiveness of different medications or different nonpharmacological therapies, or compared pharmacological versus nonpharmacological therapies, and they generally found no clear differences in effects. Pharmacological therapies were associated with increased risk of adverse events versus placebo (SOE; low to moderate). Trials were not designed or powered to detect serious harms from pharmacological therapies. Although rates appeared to be low and there was not an increased risk of serious harms versus placebo, this does not rule out significant risk from some treatments. For nonpharmacological therapies, assessment of harms was suboptimal, but serious harms appeared to be rare (SOE; low).

Broad synthesis

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Health benefits of tai chi: What is the evidence?

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Journal Canadian Family Physician
Year 2016
Links Pubmed

This article includes 99 Systematic reviews Systematic reviews (99 references) 3 Primary studies Primary studies (3 references)

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OBJECTIVE: To summarize the evidence on the health benefits of tai chi.Sources Of Information: A literature review was conducted on the benefits of tai chi for 25 specific conditions, as well as for general health and fitness, to update a 2014 review of systematic reviews. Systematic reviews and recent clinical trials were assessed and organized into 5 different groups: evidence of benefit as excellent, good, fair, or preliminary, or evidence of no direct benefit.Main Message: During the past 45 years more than 500 trials and 120 systematic reviews have been published on the health benefits of tai chi. Systematic reviews of tai chi for specific conditions indicate excellent evidence of benefit for preventing falls, osteoarthritis, Parkinson disease, rehabilitation for chronic obstructive pulmonary disease, and improving cognitive capacity in older adults. There is good evidence of benefit for depression, cardiac and stroke rehabilitation, and dementia. There is fair evidence of benefit for improving quality of life for cancer patients, fibromyalgia, hypertension, and osteoporosis. Current evidence indicates no direct benefit for diabetes, rheumatoid arthritis, or chronic heart failure. Systematic reviews of general health and fitness benefits show excellent evidence of benefit for improving balance and aerobic capacity in those with poor fitness. There is good evidence for increased strength in the lower limbs. There is fair evidence for increased well-being and improved sleep. There were no studies that found tai chi worsened a condition. A recent systematic review on the safety of tai chi found adverse events were typically minor and primarily musculoskeletal; no intervention-related serious adverse events have been reported.CONCLUSION: There is abundant evidence on the health and fitness effects of tai chi. Based on this, physicians can now offer evidence-based recommendations to their patients, noting that tai chi is still an area of active research, and patients should continue to receive medical follow-up for any clinical conditions.

Broad synthesis

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An evidence map of the effect of Tai Chi on health outcomes.

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Journal Systematic reviews
Year 2016
Links Pubmed DOI PubMed Central

This article includes 100 Systematic reviews Systematic reviews (100 references)

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BACKGROUND: This evidence map describes the volume and focus of Tai Chi research reporting health outcomes. Originally developed as a martial art, Tai Chi is typically taught as a series of slow, low-impact movements that integrate the breath, mind, and physical activity to achieve greater awareness and a sense of well-being. METHODS: The evidence map is based on a systematic review of systematic reviews. We searched 11 electronic databases from inception to February 2014, screened reviews of reviews, and consulted with topic experts. We used a bubble plot to graphically display clinical topics, literature size, number of reviews, and a broad estimate of effectiveness. RESULTS: The map is based on 107 systematic reviews. Two thirds of the reviews were published in the last five years. The topics with the largest number of published randomized controlled trials (RCTs) were general health benefits (51 RCTs), psychological well-being (37 RCTs), interventions for older adults (31 RCTs), balance (27 RCTs), hypertension (18 RCTs), fall prevention (15 RCTs), and cognitive performance (11 RCTs). The map identified a number of areas with evidence of a potentially positive treatment effect on patient outcomes, including Tai Chi for hypertension, fall prevention outside of institutions, cognitive performance, osteoarthritis, depression, chronic obstructive pulmonary disease, pain, balance confidence, and muscle strength. However, identified reviews cautioned that firm conclusions cannot be drawn due to methodological limitations in the original studies and/or an insufficient number of existing research studies. CONCLUSIONS: Tai Chi has been applied in diverse clinical areas, and for a number of these, systematic reviews have indicated promising results. The evidence map provides a visual overview of Tai Chi research volume and content. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42014009907.

Broad synthesis / Overview of systematic reviews

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Effectiveness of acupuncture and related therapies for palliative care of cancer: overview of systematic reviews.

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Authors Wu X , Chung VC , Hui EP , Ziea ET , Ng BF , Ho RS , Tsoi KK , Wong SY , Wu JC
Journal Scientific reports
Year 2015
Links Pubmed DOI PubMed Central

This article includes 19 Systematic reviews Systematic reviews (19 references)

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Acupuncture and related therapies such as moxibustion and transcutaneous electrical nerve stimulation are often used to manage cancer-related symptoms, but their effectiveness and safety are controversial. We conducted this overview to summarise the evidence on acupuncture for palliative care of cancer. Our systematic review synthesised the results from clinical trials of patients with any type of cancer. The methodological quality of the 23 systematic reviews in this overview, assessed using the Methodological Quality of Systematic Reviews Instrument, was found to be satisfactory. There is evidence for the therapeutic effects of acupuncture for the management of cancer-related fatigue, chemotherapy-induced nausea and vomiting and leucopenia in patients with cancer. There is conflicting evidence regarding the treatment of cancer-related pain, hot flashes and hiccups, and improving patients' quality of life. The available evidence is currently insufficient to support or refute the potential of acupuncture and related therapies in the management of xerostomia, dyspnea and lymphedema and in the improvement of psychological well-being. No serious adverse effects were reported in any study. Because acupuncture appears to be relatively safe, it could be considered as a complementary form of palliative care for cancer, especially for clinical problems for which conventional care options are limited.

Broad synthesis / Overview of systematic reviews

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Complementary and alternative medicine for cancer pain: An overview of systematic reviews

Authors Bao Y , Kong X , Yang L , Liu R , Shi Z , Li W , Hua B , Hou W
Journal Evidence-based complementary and alternative medicine : eCAM
Year 2014
Links Pubmed DOI PubMed Central

This article includes 27 Systematic reviews Systematic reviews (27 references)

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Background and Objective. Now with more and more published systematic reviews of Complementary and Alternative Medicine (CAM) on adult cancer pain, it is necessary to use the methods of overview of systematic review to summarize available evidence, appraise the evidence level, and give suggestions to future research and practice. Methods. A comprehensive search (the Cochrane Library, PubMed, Embase, and ISI Web of Knowledge) was conducted to identify all systematic reviews or meta-analyses of CAM on adult cancer pain. And the evidence levels were evaluated using GRADE approach. Results. 27 systematic reviews were included. Based on available evidence, we could find that psychoeducational interventions, music interventions, acupuncture plus drug therapy, Chinese herbal medicine plus cancer therapy, compound kushen injection, reflexology, lycopene, TENS, qigong, cupping, cannabis, Reiki, homeopathy (Traumeel), and creative arts therapies might have beneficial effects on adult cancer pain. No benefits were found for acupuncture (versus drug therapy or shame acupuncture), and the results were inconsistent for massage therapy, transcutaneous electric nerve stimulation (TENS), and Viscum album L plus cancer treatment. However, the evidence levels for these interventions were low or moderate due to high risk of bias and/or small sample size of primary studies. Conclusion. CAM may be beneficial for alleviating cancer pain, but the evidence levels were found to be low or moderate. Future large and rigor randomized controlled studies are needed to confirm the benefits of CAM on adult cancer pain. © 2014 Yanju Bao et al.