scholarly journals Physical Exercise Interventions Targeting Cognitive Functioning and the Cognitive Domains in Nondementia Samples: A Systematic Review of Meta-Analyses

2020 ◽  
pp. 089198872091552
Author(s):  
David T. Turner ◽  
Mandy X. Hu ◽  
Ellen Generaal ◽  
Daniel Bos ◽  
M. Kamran Ikram ◽  
...  
Keyword(s):  
Systematic Review ◽  
Older Adults ◽  
Cognitive Functioning ◽  
Methodological Quality ◽  
Limited Evidence ◽  
Cognitive Domains ◽  
Exercise Interventions ◽  
Study Characteristics ◽  
Meta Analyses ◽  
Disease Free

Objective: We investigated whether physical exercise interventions improve cognitive functioning in nondementia populations. Methods: We conducted a systematic review of meta-analyses including only randomized controlled trials (RCTs). Two reviewers completed a systematic search of PubMed, Embase, PsychInfo, and Cochrane Controlled Register of Trials. Study characteristics, effect size data, and heterogeneity estimates were extracted and presented in tabular form. Methodological quality was assessed by 2 reviewers using the AMSTAR-2 checklist. The validity of results was considered based on AMSTAR-2 scores and study characteristics. Results: We included 11 meta-analyses: 6 focused on disease-free older adults and 5 on mild cognitive impairment (MCI) excluding dementia. These meta-analyses summarized 97 unique RCTs. Methodological quality ranged from critically low to high. For overall cognitive functioning, which was the outcome of 6 meta-analyses, 1 showed improvement due to exercise interventions in disease-free older adults ( g = 0.29, P < .01), while 2 reported nonsignificant effects. In patients with MCI, 3 meta-analyses reported significant benefits of exercise interventions on overall cognitive functioning ( g = 0.25-0.57, P < .01). For cognitive domains such as attention and memory, there was limited evidence of beneficial effects of exercise demonstrated in either disease-free or MCI samples. Conclusions: Exercise may improve overall cognitive functioning in disease-free older adults, but there is too little high-quality evidence to conclude whether this is achieved through improvement in any of the specific cognitive domains assessed. There is clearer evidence that exercise may improve cognitive functioning in MCI, but again there is limited evidence across most cognitive domains.

scholarly journals Programme frequency, type, time and duration do not explain the effects of balance exercise in older adults: a systematic review with a meta-regression analysis

2018 ◽  
Vol 53 (16) ◽  
pp. 996-1002 ◽  
Author(s):  
Melanie K Farlie ◽  
Lauren Robins ◽  
Romi Haas ◽  
Jennifer L Keating ◽  
Elizabeth Molloy ◽  
...  
Keyword(s):  
Systematic Review ◽  
Older Adults ◽  
Systematic Reviews ◽  
Centre Of Mass ◽  
Randomised Trials ◽  
Eligibility Criteria ◽  
Exercise Interventions ◽  
Balance Exercise ◽  
Control Centre ◽  
Meta Analyses

ObjectiveThe objective of this systematic review was to examine the effects of different balance exercise interventions compared with non-balance exercise controls on balance task performance in older adults.DesignSystematic review.Data sourcesMedline, Cumulative Index to Nursing and Allied Health Literature, EMBASE, Scopus and Cochrane Database of Systematic Reviews were searched until July 2017.Eligibility criteria for selecting studiesSystematic reviews and meta-analyses of randomised trials of balance exercise interventions for older adults were identified for extraction of eligible randomised trials. Eligibility criteria for inclusion of randomised trials in meta-analyses were comparison of a balance exercise intervention with a control group that did not perform balance exercises, report of at least one end-intervention balance outcome measurement that was consistent with the five subgroups of balance exercise identified, and full-text article available in English.ResultsNinety-five trials were included in meta-analyses and 80 in meta-regressions. For four balance exercise types (control centre of mass, multidimensional, mobility and reaching), significant effects for balance exercise interventions were found in meta-analyses (standardised mean difference (SMD) 0.31–0.50), however with considerable heterogeneity in observed effects (I2: 50.4%–80.6%). Risk of bias assessments (Physiotherapy Evidence Database score and funnel plots) did not explain heterogeneity. One significant relationship identified in the meta-regressions of SMD and balance exercise frequency, time and duration explained 2.1% of variance for the control centre of mass subgroup.ConclusionLimitations to this study included the variability in design of balance interventions, incomplete reporting of data and statistical heterogeneity. The design of balance exercise programmes provides inadequate explanation of the observed benefits of these interventions.

scholarly journals Exercise interventions for older adults: A systematic review of meta-analyses

2020 ◽  
Author(s):  
Claudio Di Lorito ◽  
Annabelle Long ◽  
Adrian Byrne ◽  
Rowan H. Harwood ◽  
John R.F. Gladman ◽  
...  
Keyword(s):  
Systematic Review ◽  
Older Adults ◽  
Exercise Interventions ◽  
Meta Analyses

Fruit and Vegetable Consumption and Incident Frailty in Older Adults: A Systematic Review and Meta-Analysis

2021 ◽  
pp. 1-6
Author(s):  
G. Kojima ◽  
Y. Taniguchi ◽  
T. Urano
Keyword(s):  
Systematic Review ◽  
Older Adults ◽  
Lower Risk ◽  
Fixed Effects ◽  
Methodological Quality ◽  
Vegetable Consumption ◽  
Meta Analysis ◽  
Fruit And Vegetable Consumption ◽  
Fruit And Vegetable ◽  
Limited Evidence

Background: There is limited evidence regarding associations between fruit and vegetable consumption and incident frailty risk among older people. Objectives: The objective of this study was to conduct a systematic review and meta-analysis regarding the association between fruit and vegetable consumption and incident frailty risk among older adults. Methods: A systematic search of the literature was conducted according to the PRISMA guidelines using PubMed in January 2021 for studies that prospectively examined risk of incident frailty in relation to fruit and vegetable consumption in older adults aged 60 and older. Methodological quality and heterogeneity were assessed. Odds ratios (OR) were pooled using random-effects or fixed-effects meta-analysis, depending on the presence of heterogeneity. Results: Among three studies included in this review, data of four cohorts were provided by two studies and used in meta-analysis. The highest fruit and vegetable consumption was significantly associated with lower risk of incident frailty compared with the lowest consumption (pooled OR=0.38, 95%CI=0.24-0.59, p=<0.001). Conclusions: This study provided the pooled evidence that high fruit and vegetable consumption may be beneficial for preventing the development of frailty in older adults. Increasing fruit and vegetable consumption can be a relevant strategy to prevent frailty.

How Does Mindfulness Affect Cognition? A Reflection on Confounding Issues Surrounding Mindfulness-based Intervention Research Targeting Cognitive Outcomes

2018 ◽  
Author(s):  
David R Vago ◽  
Resh Gupta ◽  
Sara Lazar
Keyword(s):  
Systematic Review ◽  
Health Outcomes ◽  
Cognitive Functioning ◽  
Cognitive Processes ◽  
Methodological Quality ◽  
Cognitive Outcomes ◽  
Controlled Trials ◽  
Randomized Controlled ◽  
Existing Data

One potential pathway by which mindfulness-based meditation improves health outcomes is through changes in cognitive functioning. A systematic review of randomized controlled trials of mindfulness-based interventions (MBIs) was conducted with a focus on assessing the state of the evidence for effects on cognitive processes and associated assays. Here, we comment on confounding issues surrounding the reporting of these and related findings, including 1) criteria that appropriately define an MBI; 2) limitations of assays used to measure cognition; and 3) methodological quality of MBI trials and reporting of findings. Because these issues contribute to potentially distorted interpretations of existing data, we offer constructive means for interpretation and recommendations for moving the field of mindfulness research forward regarding the effects on cognition.

scholarly journals Students’ preparedness for disasters in schools: a systematic review protocol

2020 ◽  
Vol 4 (1) ◽  
pp. e000913
Author(s):  
Hamed Seddighi ◽  
Homeira Sajjadi ◽  
Sepideh Yousefzadeh ◽  
Mónica López López ◽  
Meroe Vameghi ◽  
...  
Keyword(s):  
Systematic Review ◽  
Systematic Reviews ◽  
Disaster Preparedness ◽  
Vulnerable Groups ◽  
Narrative Synthesis ◽  
Ethics Code ◽  
Study Characteristics ◽  
And Gender ◽  
Critical Appraisal Skills ◽  
Meta Analyses

IntroductionChildren are one of the most vulnerable groups in disasters. Improving students’ knowledge and skills to prepare for disasters can play a major role in children’s health. School as a place to teach children can make a significant contribution to provide the necessary skills. This study aims to identify the effects, strengths and weaknesses of interventions in schools to prepare children for disasters.Methods and analysisWe use Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines to develop a protocol for this systematic review. The included studies will report on the results of interventions targeting ‘schoolchildren’ defined as individuals between 4 and under 18 years old studying in schools. Different electronic databases will be used for a comprehensive literature search, including MEDLINE, Web of Science, CINAHL, PsycINFO, Cochrane Register of Controlled Trials and EMBASE to identify the records that match the mentioned inclusion criteria published till December 2020. The main search terms are ‘disaster’, ‘preparedness’, ‘children’ and ‘school’. Four types of data will be extracted from the qualified studies including study characteristics (study design, year of publication and geographical region where the study was conducted), participant characteristics (sample size, age and gender), intervention characteristics (aim of intervention, intervention facilitators and barriers) and intervention outcomes. The quality appraisal of the selected papers will be conducted using Cochrane Collaboration’s Risk of Bias for quantitative studies and Critical Appraisal Skills Programme checklist for qualitative studies. We use a narrative synthesis for this systematic review. The narrative synthesis refers to an approach to systematic reviews which focuses mostly on applying words and texts to summarise and explain findings.Ethics and disseminationThis paper is a part of a Ph.D. thesis of Hamed Seddighi at University of Social welfare and Rehabilitation Sciences with ethics code IR.USWR.REC.1399.008 approved by the Ethics Committee of the above-mentioned university.PROSPERO registration numberCRD42020146536.

scholarly journals The Effects of Technological Interventions on Social Participation of Community-Dwelling Older Adults with and without Dementia: A Systematic Review

2021 ◽  
Vol 10 (11) ◽  
pp. 2308
Author(s):  
Pascale Heins ◽  
Lizzy M. M. Boots ◽  
Wei Qi Koh ◽  
An Neven ◽  
Frans R. J. Verhey ◽  
...  
Keyword(s):  
Systematic Review ◽  
Older Adults ◽  
Social Isolation ◽  
Social Participation ◽  
Methodological Quality ◽  
Well Being ◽  
Community Dwelling ◽  
Cochrane Library ◽  
Technological Interventions ◽  
Community Dwelling Older Adults

Social isolation in community-dwelling older adults with dementia is a growing health issue that can negatively affect health and well-being. To date, little attention has been paid to the role of technology in improving their social participation. This systematic review aims to provide a systematic overview of the effects of technological interventions that target social participation in community-dwelling older adults with and without dementia. The scientific databases Medline (PubMed), PsycINFO, CINAHL, Web of Science, and the Cochrane Library were systematically searched and independently screened by two reviewers. Results were synthesized narratively. The methodological quality of included studies was independently assessed by two reviewers. In total, 36 studies of varying methodological quality were identified. Most studies evaluated social networking technology and ICT training programs. Three studies focused on people with dementia. Quantitative findings showed limited effects on loneliness, social isolation, and social support. Nevertheless, several benefits related to social participation were reported qualitatively. Social interaction, face-to-face contact, and intergenerational engagement were suggested to be successful elements of technological interventions in improving the social participation of community-dwelling older adults. Rigorous studies with larger sample sizes are highly needed to evaluate the long-term effects of technology on the multidimensional concept of social participation.

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