Abstract WP51: Neurological Severity and Infarct Size in Patients With Acute Ischemic Stroke During DOAC Treatment for Nonvalvular Atrial Fibrillation
2017
Background and purpose: Less severe and smaller infarct are features in acute stroke patients treated with warfarin within a therapeutic range of PT-INR than in those without. But it remains unclear the severity and size of infarct in acute stroke patients treated with direct oral anticoagulants [DOAC]. We investigated the features of acute stroke in patients treated with DOAC, warfarin or without. Methods: We enrolled consecutive 190 non-valvular atrial fibrillation patients (mean age 78; 63% male) who developed acute ischemic stroke and classified them into 4 groups, 109 patients with no anticoagulant therapy [Control group], 25 patients with DOAC therapy [DOAC group], 19 patients treated with warfarin within a therapeutic range of PT-INR [>= 1.6 in patients aged 70 years old or older, >= 2.0 in those aged younger than 70 years old, Warfarin well controlled group], and 37 patients treated with warfarin with subtherapeutic PT-INR values [Warfarin not controlled group]. Infarcts sizes were defined as the ...
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