Changes in Left Atrial Structure and Function After Catheter Ablation and Electrical Cardioversion for Atrial Fibrillation
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概要
- 論文の詳細を見る
Background The aim of this study was to assess whether the morphological and functional changes of the left atrium (LA) differ after catheter ablation (ABL) from those after electrical cardioversion (ECV) in atrial fibrillation (AF). Methods and Results AF patients who had maintained sinus rhythm for 3 months after either ECV (n=30) or ABL (n=33) were studied. Both 2-dimensional and Doppler echocardiography were performed at baseline, 1 week, 1 month, and 3 months after these procedures. LA dimensions, mitral inflow velocity, and tissue Doppler imaging of the mitral annulus were examined. LA dimensions decreased in both groups. The mean late mitral annulus velocity increased from 1 week to 3 months in both groups, but the mean late transmitral peak velocity increased only in the ECV group (42.1±14.4cm/s to 56.7±14.8cm/s, p<0.001 vs 38.7±12.5cm/s to 44.8±16.7cm/s, p=NS). Conclusion Reverse morphological remodeling of the LA occurred after successful ABL and ECV for AF. However, because LA function was lower in the ABL group than in the ECV group and did not recover to the baseline levels until 3 months after ABL, a meticulous anticoagulation program should be considered.
- 社団法人日本循環器学会の論文
- 2008-11-20
著者
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Pak Hui-Nam
Division of Cardiac Electrophysiology Korea University Cardiovascular Center
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Park Jae
Division of Cardiac Electrophysiology Korea University Cardiovascular Center
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KIM Young-Hoon
Korea University College of Medicine
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Lim Do
Department Of Cardiology Cardiovascular Center Korea University Hospital
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Lim Do-sun
Cardiovascular Center Korea University Anam Hospital
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Shim Wan
Korea University Medical Center
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Park Seung
Department Of Cardiology Cardiovascular Center Korea University Anam Hospital
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Kim Yong
Korea University College Of Medicine
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Kim Young-Hoon
Division of Cardiology, Cardiovascular Center
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Choi Jong-il
Korea University Cardiovascular Center
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Choi Jong
Korea University Anam Hospital
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Pak Hui-num
Korea University Medical Center
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Park Jae
Department Of Cardiology Cardiovascular Center Korea University Anam Hospital
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Kim Young
Korea University Cardiovascular Center
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Kim Young-hoon
Korea University Cardiovascular Center
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Park Seong
Division Of Cardiology Department Of Internal Medicine Korea University Medical College
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Shim Wan
Department Of Cardiology Cardiovascular Center Korea University Anam Hospital
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Hong Soon
Korea University Anam Hospital
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Choi Jong-Il
Division of Cardiology, Department of Internal Medicine, Korea University Hospital, Korea University
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Hong Soon
Division of Cardiology, Department of Internal Medicine, Korea University Hospital, Korea University
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Lim Do
Division of Cardiology, Department of Internal Medicine, Korea University Hospital, Korea University
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Shim Wan
Division of Cardiology, Department of Internal Medicine, Korea University Hospital, Korea University
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Kim Young-hoon
Department Of Cardiology Cardiovascular Center Korea University Anam Hospital
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Lim Do-sun
Department Of Cardiology Cardiovascular Center Korea University Anam Hospital
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Hong Soon
Division Of Cardiology Department Of Internal Medicine Korea University Hospital Korea University Co
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Hong Soon
Department Of Cardiology Cardiovascular Center Korea University Anam Hospital
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Choi Jong-il
Division Of Cardiology Department Of Internal Medicine Korea University Hospital Korea University Co
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Kim Yong
Department Of Cardiology Cardiovascular Center Korea University Anam Hospital
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Pak Hui
Korea University Cardiovascular Center
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Park Jae
Division Of Aerospace Engineering Kaist
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Shim Wan
Cardiovascular Center Korea University Anam Hospital
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Kim Young-hoon
Division Of Cardiology Cardiovascular Center
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Lim Do-sun
Korea University Anam Hospital
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Shim Wan
Korea University Hospital
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Park Jae
Department of Cardiology, Cardiovascular Center, Korea University Anam Hospital
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