Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia · 2021
Preceding direct oral anticoagulant administration reduces the severity of stroke in patients with atrial fibrillation - K-PLUS registry.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Nakajima Makoto, Inatomi Yuichiro, Ueda Akihiko, Ito Yasuyuki, Kouzaki Yanosuke, Takita Tomohiro, Wada Kuniyasu, Yonehara Toshiro, Terasaki Tadashi, Hashimoto Yoichiro, Ando Yukio
Аннотация
BACKGROUND: Stroke severity can be mitigated by preceding anticoagulant administration in acute ischemic stroke patients with atrial fibrillation (AF). We investigated if such mitigative effects are different between warfarin and direct oral anticoagulants (DOACs).
MATERIAL AND METHODS: We collected data from a regional multicenter stroke registry. Ischemic stroke or transient ischemic attack patients with AF were included. Background characteristics, National Institutes of Health Stroke Scale (NIHSS) score on admission, lesion characteristics, and in-hospital death were analyzed according to preceding antithrombotic agents at onset.
RESULTS: A total of 2173 patients had AF; 628 were prescribed warfarin, 272 DOACs, 429 antiplatelets alone, and 844 no antithrombotics. The NIHSS score on admission was lowest in the DOACs group compared to the other groups. In neuroimaging analysis, small ischemic lesions were observed more frequently in the DOACs group, while large ischemic lesions were less frequent in this group. When the no antithrombotics group was used as a reference, the adjusted odds ratio for moderate to severe stroke was 0.56 (95% confidence interval, 0.40-0.78) in the DOACs group, while it was 0.98 (0.77-1.24) in the warfarin group and 0.94 (0.72-1.22) in the antiplatelets group. In-hospital mortality was lowest in the DOACs group compared to the other groups.
CONCLUSION: Preceding DOAC administration might mitigate the severity of stroke in AF patients more strongly than other antithrombotics, possibly leading to a better outcome in patients with stroke.
MATERIAL AND METHODS: We collected data from a regional multicenter stroke registry. Ischemic stroke or transient ischemic attack patients with AF were included. Background characteristics, National Institutes of Health Stroke Scale (NIHSS) score on admission, lesion characteristics, and in-hospital death were analyzed according to preceding antithrombotic agents at onset.
RESULTS: A total of 2173 patients had AF; 628 were prescribed warfarin, 272 DOACs, 429 antiplatelets alone, and 844 no antithrombotics. The NIHSS score on admission was lowest in the DOACs group compared to the other groups. In neuroimaging analysis, small ischemic lesions were observed more frequently in the DOACs group, while large ischemic lesions were less frequent in this group. When the no antithrombotics group was used as a reference, the adjusted odds ratio for moderate to severe stroke was 0.56 (95% confidence interval, 0.40-0.78) in the DOACs group, while it was 0.98 (0.77-1.24) in the warfarin group and 0.94 (0.72-1.22) in the antiplatelets group. In-hospital mortality was lowest in the DOACs group compared to the other groups.
CONCLUSION: Preceding DOAC administration might mitigate the severity of stroke in AF patients more strongly than other antithrombotics, possibly leading to a better outcome in patients with stroke.