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Dietary habits moderate the association between heart failure and cognitive impairment.


ABSTRACT: Cognitive impairment is common in heart failure patients. Poor dietary habits are associated with reduced neurocognitive function in other medical populations, including diabetes and Alzheimer's disease. This study examined whether dietary habits help moderate the relationship between heart failure severity and cognitive function. A total of 152 persons with heart failure completed neuropsychological testing and a fitness assessment. Dietary habits were assessed using the Starting the Conversation-Diet questionnaire, a nutrition measure suggested for use in primary care settings. Moderation analyses showed that better dietary habits attenuated the adverse impact of heart failure severity on frontal functioning (b = 1.28, p < 0.05). Follow-up analyses revealed consumption of foods high in sodium was associated with reduced cognitive function (p < 0.05). This study suggests dietary habits can moderate the association between heart failure and performance on tests of attention and executive function. Longitudinal studies are needed to confirm and clarify the mechanisms for our findings.

SUBMITTER: Alosco ML 

PROVIDER: S-EPMC5022366 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Dietary habits moderate the association between heart failure and cognitive impairment.

Alosco Michael L ML   Spitznagel Mary Beth MB   Raz Naftali N   Cohen Ronald R   Sweet Lawrence H LH   Colbert Lisa H LH   Josephson Richard R   van Dulmen Manfred M   Hughes Joel J   Rosneck Jim J   Gunstad John J  

Journal of nutrition in gerontology and geriatrics 20130101 2


Cognitive impairment is common in heart failure patients. Poor dietary habits are associated with reduced neurocognitive function in other medical populations, including diabetes and Alzheimer's disease. This study examined whether dietary habits help moderate the relationship between heart failure severity and cognitive function. A total of 152 persons with heart failure completed neuropsychological testing and a fitness assessment. Dietary habits were assessed using the Starting the Conversati  ...[more]

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