Is an Atrial Lead Necessary for a Patient with Permanent AF at ICD Implantation?
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概要
- 論文の詳細を見る
<B>Background:</B> Permanent AF is occasionally observed in patients receiving ICDs. However, in some cases, AF could be terminated at DFTs. Benefit of dual chamber ICDs over single chamber ICDs in such patients is unclear. <B>Methods:</B> The study subjects consisted of 50 VT/VF patients with perm-AF (41 males/9 females, 61±12 y.o.) including 16 ischemic heart disease, 19 cardiomyopathy. In all patients, single chamber ICDs were selected and DFTs were performed. We assessed the frequency of SR restoration and maintenance of SR during follow-up. <B>Results:</B> Perm-AF was terminated in 15 (30%) patients at DFT. Longevity of AF, usage of amiodarone, LVEF were not significantly different between patients with and without termination of AF. Univariate regression analysis revealed smaller LAD (47±3 vs. 54±2 mm, p=0.03) and larger fibrillatory-wave in V1 (0.13 vs. 0.08 mV, p=0.02) could be predictors for SR restoration. During follow-up, sustained AF recurred in 13/15 at one month and in 14/15 at one year. <B>Conclusion:</B> In patients with smaller LAD and larger fibrillatory-wave in V1, perm-AF were possibly terminated at DFTs. However, because maintenance of SR was almost impossible, atrial leads are unnecessary.
著者
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Aiba Takeshi
Department Of Cardiovascular And Respiratory Medicine Shiga University Of Medical Science
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Kurita Takashi
Division Of Cardiology Department Of Internal Medicine National Cardiovascular Center
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Noda Takashi
Department of Cardiology, National Cardiovascular Center
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Yamanaka Futoshi
Department Of Cardiology National Cardio Vascular Center
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Satomi Kazuhiro
Department Of Arrhythmia And Electrophysiology National Cerebral And Cardiovascular Center
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Kamakura Shiro
Department Of Cardiology National Cardiovascular Center
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Shimizu Wataru
Department Of Biotechnology Faculty Of Engineering Nagoya University
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Miyamoto Koji
Department Of Biological Sciences Graduate School Of Bioscience And Biotechnology Tokyo Institute Of
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Okamura Hideo
Department Of Cardiology Japan Red Cross Wakayama Medical Center
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Yamada Yuko
Department Of Cardiovascular Medicine Osaka National Hospital
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Noda Takashi
Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
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Aihara Naohiko
Department of Cardiology, National Cerebral and Cardiovascular Center
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Yokoyama Teruki
Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine
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Yamada Yuko
Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
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Yamada Yuko
Department of Cardiology, National Cerebral and Cardiovascular Center
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Yamanaka Futoshi
Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
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Aiba Takeshi
Department of Cardiology, National Cerebral and Cardiovascular Center
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Shimizu Wataru
Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
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Kurita Takashi
Division of Cardiology, Department of Medicine, Kinki University
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Kurita Takashi
Division of Arrhythmia and Electrophysiology, Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Japan
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