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Atrial Fibrillation Increases the Risk of Early-Onset Dementia in the General Population: Data from a Population-Based Cohort

Authors
 Dongmin Kim  ;  Pil-Sung Yang  ;  Gregory Y H Lip  ;  Boyoung Joung 
Citation
 JOURNAL OF CLINICAL MEDICINE, Vol.9(11) : 3665, 2020-11 
Journal Title
 JOURNAL OF CLINICAL MEDICINE 
Issue Date
2020-11
Keywords
age ; atrial fibrillation ; dementia ; early-onset ; prognosis
Abstract
Atrial fibrillation (AF) is considered a risk factor for dementia, especially in the elderly. However, the association between the two diseases is not well identified in different age subgroups. The association of incident AF with the development of dementia was assessed from 1 January 2005, to 31 December 2013, in 428,262 participants from a longitudinal cohort (the Korea National Health Insurance Service-Health Screening cohort). In total, 10,983 participants were diagnosed with incident AF during the follow-up period. The incidence of dementia was 11.3 and 3.0 per 1000 person-years in the incident-AF and without-AF groups, respectively. After adjustment for clinical variables, the risk of dementia was significantly elevated by incident AF, with a hazard ratio (HR) of 1.98 (95% confidence interval [CI]: 1.80-2.17, p < 0.001), even after censoring for stroke (HR: 1.74, 95% CI: 1.55-1.94, p < 0.001). The HRs of incident AF for dementia onset before the age of 65 (early-onset dementia) and for onset after the age of 65 (late-onset dementia) were 2.91 (95% CI: 1.93-4.41) and 1.67 (95% CI: 1.49-1.87), respectively. Younger participants with AF were more prone to dementia development than older participants with AF (p for trend < 0.001). AF was associated with an increased risk of both early- and late-onset dementia, independent of clinical stroke.
DOI
10.3390/jcm9113665
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/181507
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