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Article: Effect of Dietary Patterns on Cognitive Functions of Older Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Title | Effect of Dietary Patterns on Cognitive Functions of Older Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials |
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Authors | |
Issue Date | 1-Mar-2023 |
Publisher | Elsevier |
Citation | Archives of Gerontology and Geriatrics, 2023, v. 110 How to Cite? |
Abstract | Background: Dietary patterns are associated with cognitive benefits, but inconsistent findings have been reported concerning this association. This study aims to provide a more comprehensive review and higher evidence level by evaluating evidence from randomized controlled trials (RCTs) exploring effects of various dietary patterns on cognitive function outcomes in older adults. Methods: This systematic review and meta-analysis study followed the PRISMA guidelines. Twelves search engines and databases were searched for papers published up until March 2022. Random-effects models were used to calculate effect size (ES). Results: Twenty-two RCTs met our inclusion criteria. A wide range of cognitive measures were used across the included studies. To reduce heterogeneity and to ensure a sufficient number of studies for meaningful interpretation, we utilized global cognition as the outcome measure. Only nine studies used global cognition measures, including the Mini-Mental State Examination (MMSE), Alzheimer's Disease Assessment Scale–Cognitive Subscale (ADAS-Cog), Cognitive Abilities Screening Instrument (CASI), or neuropsychological test battery. Additionally, seven dietary patterns were identified in these studies. The results demonstrated that dietary patterns achieved a significant improvement on cognitive function outcomes including the MMSE/CASI (ES = 0.303; 95% CI [0.045, 0.560]), the ADAS-Cog (ES = −0.277; 95% CI [−0.515, −0.039]), and the cognitive battery (ES = 0.132; 95% CI [0.010, 0.255]). Conclusions: Multidisciplinary health-care professionals may use this information as a reference when planning elder care. More large-scale, high-quality studies are required to explore the long-term effects of healthy dietary patterns on global cognition, other cognitive domains, and life quality among older adults. |
Persistent Identifier | http://hdl.handle.net/10722/328396 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 1.054 |
DC Field | Value | Language |
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dc.contributor.author | Chen, KH | - |
dc.contributor.author | Ho, MH | - |
dc.contributor.author | Wang, CS | - |
dc.contributor.author | Chen, IH | - |
dc.date.accessioned | 2023-06-28T04:44:12Z | - |
dc.date.available | 2023-06-28T04:44:12Z | - |
dc.date.issued | 2023-03-01 | - |
dc.identifier.citation | Archives of Gerontology and Geriatrics, 2023, v. 110 | - |
dc.identifier.issn | 0167-4943 | - |
dc.identifier.uri | http://hdl.handle.net/10722/328396 | - |
dc.description.abstract | <p> Background: Dietary patterns are associated with cognitive benefits, but inconsistent findings have been reported concerning this association. This study aims to provide a more comprehensive review and higher evidence level by evaluating evidence from randomized controlled trials (RCTs) exploring effects of various dietary patterns on cognitive function outcomes in older adults. Methods: This systematic review and meta-analysis study followed the PRISMA guidelines. Twelves search engines and databases were searched for papers published up until March 2022. Random-effects models were used to calculate effect size (ES). Results: Twenty-two RCTs met our inclusion criteria. A wide range of cognitive measures were used across the included studies. To reduce heterogeneity and to ensure a sufficient number of studies for meaningful interpretation, we utilized global cognition as the outcome measure. Only nine studies used global cognition measures, including the Mini-Mental State Examination (MMSE), Alzheimer's Disease Assessment Scale–Cognitive Subscale (ADAS-Cog), Cognitive Abilities Screening Instrument (CASI), or neuropsychological test battery. Additionally, seven dietary patterns were identified in these studies. The results demonstrated that dietary patterns achieved a significant improvement on cognitive function outcomes including the MMSE/CASI (ES = 0.303; 95% CI [0.045, 0.560]), the ADAS-Cog (ES = −0.277; 95% CI [−0.515, −0.039]), and the cognitive battery (ES = 0.132; 95% CI [0.010, 0.255]). Conclusions: Multidisciplinary health-care professionals may use this information as a reference when planning elder care. More large-scale, high-quality studies are required to explore the long-term effects of healthy dietary patterns on global cognition, other cognitive domains, and life quality among older adults. <br></p> | - |
dc.language | eng | - |
dc.publisher | Elsevier | - |
dc.relation.ispartof | Archives of Gerontology and Geriatrics | - |
dc.title | Effect of Dietary Patterns on Cognitive Functions of Older Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Trials | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.archger.2023.104967 | - |
dc.identifier.hkuros | 344629 | - |
dc.identifier.volume | 110 | - |
dc.identifier.issnl | 0167-4943 | - |