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KMID : 0368120210510080668
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Korean Circulation Journal
2021 Volume.51 No. 8 p.668 ~ p.680
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Stroke and Bleeding Risk Assessment in Atrial Fibrillation: Where Are We Now?
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Kuo Ling
Chan Yi-Hsin
Liao Jo-Nan
Chen Shih-Ann
Chao Tze-Fan
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Abstract
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Most important international guidelines recommend the use of CHA2DS2-VASc and HAS-BLED scores for stroke and bleeding risk assessments in atrial fibrillation (AF) patients, respectively. The 2020 AF guidelines of European Society of Cardiology have revised the definition of “C: congestive heart failure (HF)” component, and now patients with either HF with reduced ejection fraction or preserved ejection fraction should be assigned 1 point. Hypertrophic cardiomyopathy was also included. Besides, the revised “V: vascular diseases” component included both prior myocardial infarction and “angiographically significant coronary artery disease”. It is important to understand that the stroke and bleeding risks of AF patients were not static and should be re-assessed regularly. A high HAS-BLED score itself should not be the only reason to withhold or discontinue oral anticoagulants, but remind physicians for the corrections of modifiable bleeding risk factors and more regular follow up. In the future, the AF duration and left atrial function may play an important role for personalized evaluation of individual stroke risk while more studies are necessary.
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KEYWORD
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Atrial fibrillation, Stroke, Bleeding, CHA2DS2-VASc, HAS-BLED
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