Baseline Characteristics of Elderly Japanese Patients Aged ≥75 Years With Non-Valvular Atrial Fibrillation and a History of Stroke　― ANAFIE Registry ―

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<p>Background:Despite the well-established benefits in patients with non-valvular atrial fibrillation (NVAF), oral anticoagulants (OAC) have been underused in elderly patients. We investigated the characteristics and status of anti-thrombotic therapy in elderly NVAF patients in Japan according to a history of stroke or of transient ischemic attack (TIA).</p><p>Methods and Results:In a multicenter, prospective, observational study, 32,726 Japanese patients aged ≥75 years with NVAF were enrolled, and divided into 3 groups for the present analysis: 6,543 patients with previous ischemic stroke (IS) or TIA (2,410 women), 275 with previous hemorrhagic stroke (HS; 113 women), and the other 25,908 without previous stroke or TIA (11,470 women). Median CHADS2score was 5 in patients with IS/TIA, 2 in those with HS and 2 in those without stroke/TIA (P<0.05). Anti-thrombotic agents were used in 97.1% of patients with IS/TIA (OAC alone in 73.0%; antiplatelets alone in 3.7%; and both in 23.4%), 90.2% of those with HS (84.7%, 3.2%, and 12.1%, respectively), and 94.1% of those without stroke/TIA (83.4%, 2.7%, and 13.9%, respectively; P<0.05 for any anti-thrombotic choice). Of patients taking OAC, 72.2% received direct OAC (DOAC).</p><p>Conclusions:In this unique nationwide NVAF registry of >30,000 elderly patients, >90% of patients, even those with HS, received anti-thrombotic therapy, nearly always with OAC. DOAC were the major choice of OAC.</p>

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  • Circulation Journal

    Circulation Journal 84 (3), 516-523, 2020-02-25

    一般社団法人 日本循環器学会

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