Case management is a cost-effective strategy for coordinating chronic illness care. However, research showing how case management affects health care is mixed. This study systematically synthesizes and critically evaluates evidence in systematic reviews of health care utilization outcomes from case management interventions for the care of chronic illnesses. Results are synthesized from seven English language systematic reviews published between January 1990 and June 2017. Hospital readmissions, length of hospital stay, institutionalization, emergency department visits, and hospitals/primary care visits were all identified as health care utilization outcomes of case management interventions. There was evidence that these interventions positively reduced health care utilization; however, results were mixed. These results and the implications of this review of reviews may be valuable for clinical practitioners, health care researchers, and policymakers.
BACKGROUND: There has been a substantial number of systematic reviews of stress, coping and interventions for people with dementia and their caregivers. This paper provides a meta-review of this literature 1988-2014.
METHOD: A meta-review was carried out of systematic reviews of stress, coping and interventions for people with dementia and their caregivers, using SCOPUS, Google Scholar and CINAHL Plus databases and manual searches.
RESULTS: The meta-review identified 45 systematic reviews, of which 15 were meta-analyses. Thirty one reviews addressed the effects of interventions and 14 addressed the results of correlational studies of factors associated with stress and coping. Of the 31 systematic reviews dealing with intervention studies, 22 focused on caregivers, 6 focused on people with dementia and 3 addressed both groups. Overall, benefits in terms of psychological measures of mental health and depression were generally found for the use of problem focused coping strategies and acceptance and social-emotional support coping strategies. Poor outcomes were associated with wishful thinking, denial, and avoidance coping strategies. The interventions addressed in the systematic reviews were extremely varied and encompassed Psychosocial, Psychoeducational, Technical, Therapy, Support Groups and Multicomponent interventions. Specific outcome measures used in the primary sources covered by the systematic reviews were also extremely varied but could be grouped into three dimensions, viz., a broad dimension of "Psychological Well-Being v. Psychological Morbidity" and two narrower dimensions of "Knowledge and Coping" and of "Institutionalisation Delay".
CONCLUSIONS: This meta-review supports the conclusion that being a caregiver for people with dementia is associated with psychological stress and physical ill-health. Benefits in terms of mental health and depression were generally found for caregiver coping strategies involving problem focus, acceptance and social-emotional support. Negative outcomes for caregivers were associated with wishful thinking, denial and avoidance coping strategies. Psychosocial and Psychoeducational interventions were beneficial for caregivers and for people with dementia. Support groups, Multicomponent interventions and Joint Engagements by both caregivers and people with dementia were generally found to be beneficial. It was notable that virtually all reviews addressed very general coping strategies for stress broadly considered, rather than in terms of specific remedies for specific sources of stress. Investigation of specific stressors and remedies would seem to be a useful area for future research.
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.
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.
BACKGROUND: Informal caregivers of people with dementia are challenged in managing the consequences of dementia in daily life. The objective of this meta-review was to synthesize evidence from previous systematic reviews about professional self-management support interventions for this group.
METHODS: In March 2014, searches were conducted in PubMed, CINAHL, Cochrane Library, Embase and PsycINFO. The PRISMA Statement was followed. Interventions were grouped using Martin's targets of self-management, covering 5 targets: relationship with family, maintaining an active lifestyle, psychological wellbeing, techniques to cope with memory changes and information about dementia. Using an evidence synthesis, the outcomes from the included interventions were synthesized and conclusions were drawn about the level of evidence for the effectiveness of interventions within each target.
RESULTS: Ten high-quality systematic reviews were selected. Evidence exists for the effectiveness of professional self-management support interventions targeting psychological wellbeing on stress and social outcomes of informal caregivers. In addition, evidence exists for the effectiveness of interventions targeting information on ability/knowledge. Limited evidence was found for the effectiveness of interventions targeting techniques to cope with memory change on coping skills and mood, and for interventions targeting information on the outcomes sense of competence and decision-making confidence of informal caregivers.
CONCLUSIONS: Scientific evidence exists for the effectiveness of a number of professional self-management support interventions targeting psychological wellbeing and information. Health care professionals could take account of the fact that psycho-education was integrated in most of the self-management support interventions that were found to be effective in this meta-review. Furthermore, longer and more intensive interventions were associated with greater effects.
BACKGROUND AND PURPOSE: Previous studies have indicated clinical benefits of a combination of cholinesterase inhibitors (ChEI) and memantine over ChEI monotherapy in Alzheimer's disease (AD). Our objective was the development of guidelines on the question of whether combined ChEI/memantine treatment rather than ChEI alone should be used in patients with moderate to severe AD to improve global clinical impression (GCI), cognition, behaviour and activities of daily living (ADL).
METHODS: A systematic review and meta-analysis of randomized controlled trials based on a literature search in ALOIS, the register of the Cochrane Dementia and Cognitive Improvement Group, was carried out with subsequent guideline development according to the Grading of Recommendations Assessment, Development and Evaluation (GRADE) system.
RESULTS: Pooled data from four trials including 1549 AD patients in the moderate to severe disease stage demonstrated significant beneficial effects of combination therapy compared to ChEI monotherapy for GCI [standardized mean difference (SMD) -0.20; 95% confidence interval (CI) -0.31; -0.09], cognitive functioning (SMD -0.27, 95% CI -0.37; -0.17) and behaviour (SMD -0.19; 95% CI -0.31; -0.07). The quality of evidence was high for behaviour, moderate for cognitive function and GCI and low for ADL. Agreement of panellists was reached after the second round of the consensus finding procedure. The desirable effects of combined ChEI and memantine treatment were considered to outweigh undesirable effects. The evidence was weak for cognition, GCI and ADL so that the general recommendation for using combination therapy was weak.
CONCLUSIONS: We suggest the use of a combination of ChEI plus memantine rather than ChEI alone in patients with moderate to severe AD. The strength of this recommendation is weak.
OBJECTIVES: The objective of this review was to evaluate the evidence from human studies on the intake of vitamins, either as monotherapies or in combination with other vitamins, as neuroprotective agents that may delay the onset of cognitive decline in older adults.
METHODS: Evidence-based methodologies were used to capture and evaluate the highest levels of evidence.
FINDINGS: The current evidence available showed no association for cognitive benefits of vitamins B6 or B12 as a monotherapy, and recent systematic reviews provide no clear evidence that supplementation with vitamin B6, B12 and/or folic acid improves dementia outcomes or slows cognitive decline, even though it may normalise homocysteine levels. Meta-analyses from systematic reviews have shown an association between low vitamin D levels and diminished cognitive function, although causality cannot be confirmed from the available evidence. There is no convincing evidence for an association of vitamin A, vitamin C or vitamin E either as a monotherapy or in combination with other antioxidant vitamins such as β-carotene and the prevention of cognitive decline. The appraisal of nineteen systematic reviews and meta-analyses has highlighted the heterogeneity between studies, and the need for better consensus on definitions of cognitive decline, duration of testing and agreement on which specific endpoints are clinically relevant.
CONCLUSIONS: Evaluation of the totality of the currently available evidence indicates that intake of the above vitamins, either as a monotherapy, or in combination with other vitamins, has no clinically-relevant effect on delaying cognitive decline or delaying the onset of dementia in older adults.
This evidence map provides an overview of Tai Chi research and describes its volume and focus. It combines a systematic review of systematic reviews with a scoping review for the VA priority areas pain, posttraumatic stress disorder, and fall prevention. The evidence map summarizes patient outcomes reported in reviews of studies in patients practicing Tai Chi for health-related indications. We searched PubMed, DARE, the Cochrane Library of Systematic Reviews, the Campbell Collaboration database, AMED, CINAHL, PsycInfo, Scopus, Web of Science, and PROSPERO; screened reviews of reviews; and consulted with topic experts. We used a bubble plot to graphically display the research field and summarized results narratively in an executive summary. Tai Chi has been investigated as a treatment for a number of clinical indications. The systematic review identified 107 systematic reviews. Reviews addressing general health effects, psychological wellbeing, or interventions in older adults included between 31 and 51 randomized controlled trials (RCTs). The topic areas balance, hypertension, falls, quality of life, cognitive performance, and vestibulopathy have also been the focus of research; included reviews identified 10 or more pertinent RCTs per topic. Statistically significant effects across existing studies were reported for hypertension, falls outside of institutions, cognitive performance, osteoarthritis, chronic obstructive pulmonary disease, pain, balance confidence, depression, and muscle strength. However, review authors cautioned that firm conclusions cannot be drawn due to methodological limitations in the original studies and/or an insufficient number of research studies.
ABSTRACT: Overall the evidence base was large; we identified 43 systematic reviews covering hundreds of studies and thousands of participants. Evidence clustered around particular outcomes, interventions and populations. Outcomes The vast majority of evidence is on quality of life and prevention outcomes Evidence on satisfaction with services and safeguarding is severely limited Interventions Physical activity interventions are those most widely evaluated in systematic reviews, followed by occupational therapy interventions No evidence is available on some key social care interventions, e.g. direct payments Populations The majority of evidence concerns people with long-term conditions (e.g. dementia, cancer, stroke) There is much less evidence on older people or people with mental health problems Evidence on learning or physical disabilities is extremely limited. Interventions with evidence of positive effect Evidence of positive impact was found for seven of the 14 social care interventions examined in the included reviews: physical activity, occupational therapy, supported employment, lay/peer support, hip protectors, assistive devices and personal assistance. Evidence on the scale of positive impacts was available for five of these interventions. Larger positive impacts resulted from integrated employment and mental health support and from hip protectors. Both larger and smaller impacts were found across eight physical activity reviews and two occupational therapy reviews. Smaller impacts resulted from a lay-led self-management intervention. Interventions with evidence of harm Two reviews contained evidence that interventions shown to be effective for some populations could potentially cause harm to vulnerable social care recipients. Tai chi, though effective for older people in general, was found to increase the rate of falls among frail older people. Exercise was found to have positive impacts on people exercising for rehabilitation after a period of ill health, but a negative impact on the psychological QoL of people exercising to manage their condition. Interventions not shown to be effective There were seven interventions for which no conclusive positive evidence was found. All available evidence on the following interventions was inconclusive: structured communication, safeguarding training, home hazard assessment. All available evidence on case management and social support interventions showed no evidence of difference between intervention and control groups. Of two reviews on alternative therapies, one found no evidence of difference between groups and another found inconclusive evidence. Inconclusive evidence was also found for some interventions shown to be positive in other reviews: physical activity, occupational therapy, personal assistance, assistive devices, lay/peer support, supported employment. No evidence of difference was found in some reviews for interventions which were found in other reviews to have positive effects: physical activity, assistive devices, lay/peer support, supported employment. On balance, the overall evidence suggests that physical activity interventions and occupational therapy are effective. What are the implications? Implications for policy and practice The greatest portion of evidence included in this review of reviews is about physical activity – evidence suggests that these types of interventions can be effective for people with long-term conditions and non-frail older people and may address both quality of life and delay or reduce the need for social care support. Moreover, although physical activity interventions may typically be regarded as not within the remit of social care, they may be relatively cheap and easy to implement, and therefore worth considering. More complex and perhaps more recognisably social care interventions such as occupational therapy are also supported by the review-level literature. The large and medium effects resulting from integrated mental health and employment services also underscore the value of complex social care interventions. Moreover, the integrated nature of this particular intervention suggests that the current drive in the UK to integrate health and social services (Department of Health 2011) may prove to be successful. Wider evaluation of integrated services is certainly warranted. A last key message for policymakers and practitioners is the need to recognise the influence of contextual factors on the success of social care interventions, in particular the need for safety measures when implementing social care interventions with particularly vulnerable groups. Implications for research The great breadth and extent of evidence contained within this review of reviews is clear. However, assessing the available review-level evidence across the whole of social care also makes clear that there are significant gaps in the evidence examining impact on ASCOF outcomes. There is severely limited evidence on satisfaction with services and safeguarding outcomes in existing systematic reviews There is little use of quality of life measures designed to evaluate the impact of social care interventions included in reviews There is limited review-level evidence on many social care interventions, and none for some key intervention types There is scant evidence on key populations groups – people with physical and learning disabilities There is no review-level evidence on cost-effectiveness. How did we get these results? The research involved identifying and analysing evidence from systematic reviews to answer the following research questions: Which social care interventions can effectively improve outcomes for services users in the four outcome domains set out in the ASCOF: quality of life, prevention, satisfaction and safeguarding? How much impact do effective social care interventions have on ASCOF outcomes?
IMPORTANCE: There is debate about the effectiveness of psychiatric treatments and whether pharmacotherapy or psychotherapy should be primarily used.
OBJECTIVES: To perform a systematic overview on the efficacy of pharmacotherapies and psychotherapies for major psychiatric disorders and to compare the quality of pharmacotherapy and psychotherapy trials.
EVIDENCE REVIEW: We searched MEDLINE, EMBASE, PsycINFO, and the Cochrane Library (April 2012, with no time or language limit) for systematic reviews on pharmacotherapy or psychotherapy vs placebo, pharmacotherapy vs psychotherapy, and their combination vs either modality alone. Two reviewers independently selected the meta-analyses and extracted efficacy effect sizes. We assessed the quality of the individual trials included in the pharmacotherapy and psychotherapy meta-analyses with the Cochrane risk of bias tool.
FINDINGS: The search yielded 45,233 results. We included 61 meta-analyses on 21 psychiatric disorders, which contained 852 individual trials and 137,126 participants. The mean effect size of the meta-analyses was medium (mean, 0.50; 95% CI, 0.41-0.59). Effect sizes of psychotherapies vs placebo tended to be higher than those of medication, but direct comparisons, albeit usually based on few trials, did not reveal consistent differences. Individual pharmacotherapy trials were more likely to have large sample sizes, blinding, control groups, and intention-to-treat analyses. In contrast, psychotherapy trials had lower dropout rates and provided follow-up data. In psychotherapy studies, wait-list designs showed larger effects than did comparisons with placebo.
CONCLUSIONS AND RELEVANCE: Many pharmacotherapies and psychotherapies are effective, but there is a lot of room for improvement. Because of the multiple differences in the methods used in pharmacotherapy and psychotherapy trials, indirect comparisons of their effect sizes compared with placebo or no treatment are problematic. Well-designed direct comparisons, which are scarce, need public funding. Because patients often benefit from both forms of therapy, research should also focus on how both modalities can be best combined to maximize synergy rather than debate the use of one treatment over the other.
Case management is a cost-effective strategy for coordinating chronic illness care. However, research showing how case management affects health care is mixed. This study systematically synthesizes and critically evaluates evidence in systematic reviews of health care utilization outcomes from case management interventions for the care of chronic illnesses. Results are synthesized from seven English language systematic reviews published between January 1990 and June 2017. Hospital readmissions, length of hospital stay, institutionalization, emergency department visits, and hospitals/primary care visits were all identified as health care utilization outcomes of case management interventions. There was evidence that these interventions positively reduced health care utilization; however, results were mixed. These results and the implications of this review of reviews may be valuable for clinical practitioners, health care researchers, and policymakers.
