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Multi-Domain Interventions for Dementia Prevention–A Systematic Review

Castro, C. B. ; Costa, L. M. ; Dias, C. B. ; Chen, J. ; Hillebrandt, H. ; Gardener, S. L. ; Brown, B. M. ; Loo, R. L. ; Garg, M. L. ; Rainey-Smith, S. R. ; Martins, Ralph N. ; Sohrabi, Hamid R.

The Journal of nutrition, health & aging, 2023-12, Vol.27 (12), p.1271-1280 [Periódico revisado por pares]

Paris: Springer Paris

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  • Título:
    Multi-Domain Interventions for Dementia Prevention–A Systematic Review
  • Autor: Castro, C. B. ; Costa, L. M. ; Dias, C. B. ; Chen, J. ; Hillebrandt, H. ; Gardener, S. L. ; Brown, B. M. ; Loo, R. L. ; Garg, M. L. ; Rainey-Smith, S. R. ; Martins, Ralph N. ; Sohrabi, Hamid R.
  • Assuntos: Aged ; Aging ; Clinical trials ; Cognition ; Cognition & reasoning ; Cognitive Dysfunction - prevention & control ; Dementia ; Dementia - prevention & control ; Diet ; Exercise ; Geriatrics/Gerontology ; Humans ; Intervention ; Life Style ; Lifestyles ; Medicine ; Medicine & Public Health ; Neurosciences ; Nutrition ; Older people ; Primary Care Medicine ; Quality of Life Research ; Review ; Systematic review
  • É parte de: The Journal of nutrition, health & aging, 2023-12, Vol.27 (12), p.1271-1280
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    ObjectType-Undefined-3
  • Descrição: Objectives There is a growing incidence of cognitive decline and dementia associated with the ageing population. Lifestyle factors such as diet, physical activity, and cognitive activities may individually or collectively be undertaken to increase one’s odds of preventing cognitive decline and future dementia. This study will examine whether clinical trials using multidomain lifestyle intervention can significantly decrease the risk of cognitive decline and therefore dementia. Design, Setting and Participants This systematic literature review of multidomain lifestyle interventions for the prevention of cognitive decline and dementia followed the PRISMA guidelines. Clinical trials involving multidomain intervention (i.e., diet and physical activity, or without cognitive training) in older adults (≥ 49 years old) at higher risk of dementia were identified through 5 electronic databases (EMBASE, MEDLINE, CINAHL, Cochrane, and Scopus). A comprehensive search was performed to identify and retrieve publications until 15 November 2022. Trials were published in English. Results The included studies (n=15) assessed change in cognition in response to a multidomain lifestyle intervention. However, the cognitive outcome measures used in these studies were heterogeneous. Despite this heterogeneity, two thirds of the studies showed improvement in cognition following a multidomain intervention (n=10 with a total of 9,439 participants). However, five studies reported no improvement in cognition following the multidomain intervention. The most common form of dietary intervention included higher amount of fruit and vegetable intake; whole-grain cereal products instead of refined; low fat options in milk and meat products; and limiting sucrose intake to less than 50 g/day. Most clinical trial studies were powered to examining the effects of multidomain interventions in cognition but were not designed to test the contribution of individual domains (i.e., dietary changes, increased physical activity, or increased cognitive stimulation alone). Conclusion This systematic review aimed to determine the effect of multimodal lifestyle interventions on cognitive outcomes in older adults at risk of dementia. We found that participants with conditions that may increase the risk of dementia, (e.g., hypertension, cardiovascular fragility) do benefit from multi-modal lifestyle changes including diet, physical activity, and cognitive training. Two thirds of studies using multidomain lifestyle interventions showed improvements in cognitive function. Trials with a focus on cognitive training, dietary improvement, and physical activity may prevent or delay cognitive decline in older adults including those at risk of developing dementia. Future studies should consider longer follow-up periods and adequate power to be able to examine the effects of each lifestyle component in the context of multimodal interventions.
  • Editor: Paris: Springer Paris
  • Idioma: Inglês
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