Assessment of the CHADS2 index and the Prevalence of Coronary Artery Disease in Patients with Atrial Fibrillation Desirable Ablation Procedure
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概要
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The CHADS<SUB>2</SUB> score has been used as risk index for embolic stroke in patients with atrial fibrillation (AF). AF is linked to the prevalence of coronary artery disease (CAD). In this study, we assessed relationship between the CHADS<SUB>2</SUB> index and the prevalence of CAD in patients with AF desirable ablation procedure. <B>Methods:</B> One-hundred-fifty consecutive AF patients (65±7 years, 116 men) were included. Prior to pulmonary vein isolation (PVI) for AF ablation, coronary angiography or multi-slice computed tomography (MSCT) was performed in all. Patients under 50-year-old were excluded. The presence of CAD was defined as a >75% coronary stenosis. <B>Results:</B> A mean CHADS<SUB>2</SUB> score was 1.4±1.0. Of the patients, 27 (18%) had a score of 0 and found no CAD. In the remaining 123 patients (82%) with a score of 1 or more, 11 (9%) had CAD: the left main trunk disease in 3. These 3 patients did not undergo ablation procedure and instead underwent bypass graft surgery and maze procedure. <B>Conclusion:</B> When we perform PVI in AF patients with a CHADS<SUB>2</SUB> score of 1 or more, assessment of coronary artery stenosis using diagnostic modalities such as MSCT would be necessary before the ablation procedure.
著者
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Fujino Tadashi
Department Of Cardiovascular Medicine Toho University Omori Medical Center
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Yuzawa Hitomi
Department Of Cardiovascular Medicine Toho University Omori Medical Center
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Fukunaga Shunji
Department of Cardiology, Kawasaki social insuarance hospital
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Yamazaki Junichi
Department Of Biofunctional Science Faculty Of Agriculture And Life Science Hirosaki University
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Sato Hideyuki
Department Of Applied Chemistry Faculty Of Science And Technology Keio University
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Takahashi Atsushi
Cardio Vascular Center Yokosuka Kyosai General Hospital
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Okano Yoshifumi
Department Of Cardiology Toho University Omori Medical Center
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Takanori Ikeda
Department of Cardiovascular Medicine, Toho University Medical Center
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Kobayashi Kenzaburo
Department of Cardiovascular Medicine, Toho University Faculty of Medicine, Tokyo, Japan
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