Effects of a 6-month dual-task, power-based exercise program on cognitive function, neurological and inflammatory markers in older adults : secondary analysis of a cluster randomised controlled trial
Tait, J. L., Duckham, R. L., Rantalainen, T., Milte, C. M., Main, L. C., Nowson, C. A., Sanders, K. M., Taaffe, D. R., Hill, K. D., Abbott, G., & Daly, R. M. (2024). Effects of a 6-month dual-task, power-based exercise program on cognitive function, neurological and inflammatory markers in older adults : secondary analysis of a cluster randomised controlled trial. GeroScience, Early online. https://doi.org/10.1007/s11357-024-01316-8
Julkaistu sarjassa
GeroScienceTekijät
Päivämäärä
2024Tekijänoikeudet
© The Author(s) 2024
Functional power-based exercise training can improve physical performance in older adults and cognitive training can improve measures of cognition, but their combined effects on cognition and related risk factors (neurological and inflammatory markers) remains uncertain. This 6-month cluster randomised controlled trial evaluated the effectiveness of dual-task functional power training (DT-FPT) on cognition and circulating neurological and inflammatory markers in older adults at increased falls risk, and whether intervention responses varied by apolipoprotein-E (ApoE) and brain derived neurotrophic factor (BDNF) polymorphisms. Three hundred residents aged ≥ 65 years at increased falls risk residing in 22 independent-living retirement communities, were randomised by village, to DT-FPT (n = 156, 11 villages) involving a multi-component power-based training program performed simultaneously with cognitive and/or motor tasks (45–60 min, 2/week), or a usual care control (CON) group (n = 144, 11 villages). Cognition (computerized CogState battery), inflammatory cytokines, BDNF, insulin-like growth factor-1, vascular endothelial growth factor, amyloid β (1–40) and (1–42) were assessed at baseline and 6-months. Overall, 233 (78%) participants completed the intervention and adherence averaged 50.1%. DT-FPT led to a net 0.18–0.20 SD benefit versus CON in psychomotor ability/attention and reaction time/attention (both P < 0.05). There were no significant intervention effects on circulating markers, except for a net 10.5% benefit in amyloid β (1–40) in DT-FPT versus CON (P < 0.05). Responses were not influenced by APOE or BDNF genotype. In conclusion, DT-FPT in older adults at increased falls risk can provide some cognitive benefits, but these were not related to corresponding changes in inflammatory or neurological markers or influenced by genotype. Australian New Zealand Clinical Trials Registry (ACTRN12613001161718). http://www.anzctr.org.au/ This project was funded by a grant from the National Health and Medical Research Council (NHMRC) Project (APP1046267).
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SpringerISSN Hae Julkaisufoorumista
2509-2715Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/241746522
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This project was funded by a grant from the National Health and Medical Research Council (NHMRC) Project (APP1046267).Lisenssi
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