期刊
ALZHEIMERS & DEMENTIA
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1002/alz.13114
关键词
cognitive decline; cohort study; dementia; heart disease; ischemic heart disease
This study reveals the independent and joint effects of ischemic heart disease and coexisting atrial fibrillation and heart failure on dementia risk. Ischemic heart disease is associated with an increased risk of dementia and cognitive decline in older adults, independent of atrial fibrillation, heart failure, and cerebrovascular disease.
INTRODUCTIONThe independent and joint effect of ischemic heart disease (IHD) and coexisting atrial fibrillation (AF) and heart failure (HF) on dementia risk is largely unknown. METHODSThis population-based cohort study included 2568 dementia-free participants (age >= 60 years) in SNAC-K, who were regularly examined from 2001-2004 through 2013-2016. Dementia was diagnosed following the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV) criteria. Global cognitive function was assessed using a global cognitive composite z-score derived from five cognitive domains. Data were analyzed using Cox, Fine-Gray, and linear mixed-effects models. RESULTSOverall, IHD at baseline was associated with multivariable-adjusted hazard ratio (HR) of 1.39 (95% confidence interval = 1.06-1.82) for dementia and multivariable-adjusted beta-coefficient of -0.02 (-0.03 to -0.01) for annual changes in global cognitive z-score, independent of AF, HF, and cerebrovascular disease. Coexisting AF or HF did not add further risk to dementia and cognitive decline. DISCUSSIONIHD is independently associated with dementia and cognitive decline in older adults, whereas coexisting AF/HF is not associated with an increased risk. HighlightsIs a history of ischemic heart disease (IHD) associated with a risk for dementia?How do coexisting heart diseases affect this association?IHD was an independent risk factor for dementia in older adults.This association was independent of coexisting heart and cerebrovascular diseases.The coexistence of heart diseases did not confer additional risk for dementia.
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