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Association of anticoagulant therapy with risk of dementia among patients with atrial fibrillation

Authors
 Daehoon Kim  ;  Pil-Sung Yang  ;  Eunsun Jang  ;  Hee Tae Yu  ;  Tae-Hoon Kim  ;  Jae-Sun Uhm  ;  Jong-Youn Kim  ;  Jung-Hoon Sung  ;  Hui-Nam Pak  ;  Moon-Hyoung Lee  ;  Gregory Y H Lip  ;  Boyoung Joung 
Citation
 EUROPACE, Vol.23(2) : 184-195, 2021-02 
Journal Title
 EUROPACE 
ISSN
 1099-5129 
Issue Date
2021-02
Keywords
Atrial fibrillation ; Dementia ; Non-vitamin K antagonist oral anticoagulant ; Oral anticoagulant ; Warfarin
Abstract
Aims: To investigate the risk of dementia in atrial fibrillation (AF) patients treated with different oral anticoagulants (OACs). Methods and results: This observational, population-based cohort study enrolled 53 236 dementia-free individuals with non-valvular AF who were aged ≥50 years and newly prescribed OACs from 1 January 2013 to 31 December 2016 from the Korean National Health Insurance Service database. Propensity score matching was used to compare the rates of dementia between users of non-vitamin K antagonist oral anticoagulant (NOAC) (dabigatran, rivaroxaban, and apixaban) and warfarin and to compare each individual NOAC with warfarin. Propensity score weighting analyses were also performed. In the study population (41.3% women; mean age: 70.7 years), 2194 had a diagnosis of incident dementia during a mean follow-up of 20.2 months. Relative to propensity-matched warfarin users, NOAC users tended to be at lower risk of dementia [hazard ratio (HR) 0.78, 95% confidence interval (CI) 0.69-0.90]. When comparing individual NOACs with warfarin, all the three NOACs were associated with lower dementia risk. In pairwise comparisons among NOACs, rivaroxaban was associated with decreased dementia risk, compared with dabigatran (HR 0.83, 95% CI 0.74-0.92). Supplemental propensity-weighted analyses showed consistent protective associations of NOACs with dementia relative to warfarin. The associations were consistent irrespectively of age, sex, stroke, and vascular disease and more prominent in standard dose users of NOAC. Conclusion: In this propensity-matched and -weighted analysis using a real-world population-based cohort, use of NOACs was associated with lower dementia risk than use of warfarin among non-valvular AF patients initiating OAC treatment.
Full Text
https://academic.oup.com/europace/article/23/2/184/5924535
DOI
10.1093/europace/euaa192
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > BioMedical Science Institute (의생명과학부) > 1. Journal Papers
Yonsei Authors
Kim, Dae Hoon(김대훈) ORCID logo https://orcid.org/0000-0002-9736-450X
Kim, Jong Youn(김종윤) ORCID logo https://orcid.org/0000-0001-7040-8771
Kim, Tae-Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-4200-3456
Pak, Hui Nam(박희남) ORCID logo https://orcid.org/0000-0002-3256-3620
Uhm, Jae Sun(엄재선) ORCID logo https://orcid.org/0000-0002-1611-8172
Yu, Hee Tae(유희태) ORCID logo https://orcid.org/0000-0002-6835-4759
Lee, Moon-Hyoung(이문형) ORCID logo https://orcid.org/0000-0002-7268-0741
Jang, Eunsun(장은선) ORCID logo https://orcid.org/0000-0001-6991-4765
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182361
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