Effect of physical exercise on cognitive function in older adults’ carriers versus noncarriers of apolipoprotein E4 : systematic review and meta-analysis
José María Cancela-Carral, Adriana López-Rodríguez, Irimia Mollinedo-Cardalda
언어
영어(ENG)
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https://www.earticle.net/Article/A393621
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초록
영어
The presence of apolipoprotein (Apo) E4 is a genetic risk factor in cog-nitive impairment. Physical exercise contributes to slowing cognitive impairment in older adults, but little is known about the influence of ex-ercise on ApoE4 carriers and noncarriers. The objective of systematic review is to study the role of physical exercise in older adults’ ApoE4 carriers and noncarriers. A systematic literature search was carried out in five international databases: PubMed, Web of Science, PeDro, Scopus, and SPORTDiscus. A total of nine randomized controlled trials were included with a sample size of 2,025 subjects (901 ApoE4 carriers). The exercise reported a significant improvement on cognitive perfor-mance in older adults’ ApoE4 noncarriers (standardized mean differ-ence [SMD]=0.653; 95% confidence interval [CI], 0.29–1.00; chi2=35.36; degrees of freedom [df ]=7; P<0.0001; l 2=80%). It was also reported that a total program duration greater than 50 sessions generated differ-ent and significant effects on cognitive performance in older adults’ ApoE4 noncarriers (SMD=0.878; 95% CI, 0.14–1.61; chi2=31.82; df=3; P<0.0001; l 2=91%). The results reported that high intensity generated a differential effect on cognitive performance in older adults’ ApoE4 carri-ers versus noncarriers (SMD=0.963; 95% CI, 0.25–1.67; chi2=18.11; df=3; P<0.0004; l 2=83%). The effect of physical exercise on cognitive perfor-mance in older adults is conditioned by the presence or not of ApoE4.
목차
Abstract INTRODUCTION MATERIALS AND METHODS Search strategy Criteria for inclusion Criteria for exclusion Data extraction Risk of bias Data analysis Meta-analysis Subgroup analysis RESULTS Study selection Description of studies Participants’ characteristics Intervention characteristics Meta-analysis DISCUSSION CONCLUSIONS CONFLICT OF INTEREST ACKNOWLEDGMENTS REFERENCES
키워드
Apolipoproteins EExerciseCognitionAged
저자
José María Cancela-Carral [ HealthyFit Research Group, University of Vigo, Pontevedra, Spain, Galicia Sur Health Research Institute (IIS Galicia Sur), Sergas-UVIGO, Pontevedra, Spain Faculty of Education and Sports Science, University of Vigo, Pontevedra, Spain ]
Corresponding Author
Adriana López-Rodríguez [ Galicia Sur Health Research Institute (IIS Galicia Sur), Sergas-UVIGO, Pontevedra, Spain, Faculty of Education and Sports Science, University of Vigo, Pontevedra, Spain ]
Irimia Mollinedo-Cardalda [ Galicia Sur Health Research Institute (IIS Galicia Sur), Sergas-UVIGO, Pontevedra, Spain, Faculty of Physiotherapy, University of Vigo, Pontevedra, Spain ]