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Effectiveness and Safety of Non-Vitamin K Antagonist Oral Anticoagulants in Patients With Atrial Fibrillation With Hypertrophic Cardiomyopathy: A Nationwide Cohort Study

 Hyunjean Jung  ;  Pil-Sung Yang  ;  Eunsun Jang  ;  Hee Tae Yu  ;  Tae-Hoon Kim  ;  Jae-Sun Uhm  ;  Jong-Youn Kim  ;  Hui-Nam Pak  ;  Moon-Hyoung Lee  ;  Boyoung Joung  ;  Gregory Y.H. Lip 
 Chest, Vol.155(2) : 354-363, 2019 
Journal Title
Issue Date
atrial fibrillation ; hypertrophic cardiomyopathy ; ischemic stroke ; non-vitamin K antagonist oral anticoagulants
BACKGROUND: Chronic anticoagulation is recommended in patients with hypertrophic cardiomyopathy (HCM) and atrial fibrillation (AF). Non-vitamin K antagonist oral anticoagulants (NOACs) are an alternative to warfarin, but there are limited data to support their use in patients with HCM and AF. We sought to compare thromboembolic events, bleeding, and mortality between NOAC and warfarin in patients with HCM and AF. METHODS: From the Korean National Health Insurance Service database during the period from January 1, 2011, to December 31, 2016, we identified a warfarin-treated group of patients with HCM and AF (n = 955) who were compared with a 1:2 propensity-matched NOAC treated group (n = 1,504). RESULTS: After a median follow-up of 16 months, the incidence rates of ischemic stroke and major bleeding were similar between NOAC- and warfarin-treated patients with HCM and AF. NOAC-treated patients had lower incidence rates for all-cause mortality (5.11 and 10.13 events per 100 person-years for NOAC and warfarin groups) and the composite of fatal cardiovascular events (0.77 and 1.80 events per 100 person-years). Compared with warfarin, use of NOACs was associated with a significantly lower risk of all cause-mortality (hazard ratio, 0.43; 95% CI, 0.32-0.57) and composite fatal cardiovascular events (hazard ratio, 0.39; 95% CI, 0.18-0.82). CONCLUSIONS: Compared with warfarin, patients with HCM and AF on NOACs had similar stroke and major bleeding risks, but lower all-cause mortality and composite fatal cardiovascular events. Our data suggest that patients with HCM and AF can be safely and effectively treated with NOACs.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
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
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
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