Electrophysiologic and Anatomical Characteristics of the Right Atrial Posterior Wall in Patients With and Without Atrial Flutter : Analysis by Intracardiac Echocardiography
スポンサーリンク
概要
- 論文の詳細を見る
Background The posterior right atrial transverse conduction capability during typical atrial flutter (AFL) is well known, but its relationship to the anatomical characteristics remains controversial. Methods and Results Thirty-four AFL and 16 controls underwent intracardiac echocardiography after placement of a 20-polar catheter at the posterior block site during AFL or pacing. In 31 patients, the effective refractory period (ERP) at the block site was determined as the longest coupling interval that resulted in double potentials during extrastimuli from the mid-septal (SW) and free (FW) walls. The block site was located 3.0-29.0mm posterior to the crista terminalis (CT) in each AFL and control patient. The CT area indexed to the body surface area was larger in AFL patients than in control patients (16.4±6.5mm^2/m^2 vs 11.3±6.4mm^2/m^2, p=0.01), and was positively correlated to age (r=0.34, p=0.02). The ERP was longer in the AFL patients than in controls (SW: median value 600 [270-725] ms vs 220 [200-253] ms; FW: 280 [230-675] ms vs 215 [188-260] ms, p<0.05 for each). Conclusions A functional block line was located on the septal side of the CT in all patients. A limited conduction capability and age-related CT enlargement might have important implications for the pathogenesis in AFL.
- 社団法人日本循環器学会の論文
- 2007-04-20
著者
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HASHIMOTO Kenichi
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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WATANABE Ichiro
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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OKUMURA Yasuo
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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OHKUBO Kimie
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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ASHINO Sonoko
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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KOFUNE Masayoshi
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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NAKAI Toshiko
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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Sato Sumiko
Ehime Prefectural Central Hospital
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中山 智祥
Department Of Cardiovascular Renal And Endocrine Medicines Research Center And Cardiovascular Functi
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SAITO Satoshi
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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Saito S
Division Of Cardiovascular Medicine Keiai Hospital
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Takagi Yasuhiro
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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Sugimura Hidezou
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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Katoh Masahiko
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Kofune Masayoshi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Watanabe Ichiro
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Hashimoto Kenichi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Saito S
Department Of Cardiology Juntendo Shizuoka Hospital
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Yamada Takeshi
Division of cardiology, Department of Medicine, Nihon University School of Medicine
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Tamura Yasuo
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Kawauchi Kazunori
Division of Cardiovascular Medicine, Department of Medicine, Nihon University School of Medicine
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Ashino Sonoko
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Shindo Atsushi
Division Of Cardiovascular Medicine Nihon University School Of Medicine
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Sugimura Hidezou
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Yamada T
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Kawauchi Kazunori
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Shindo Atsushi
Division Of Cardiology Nihon University School Of Medicine
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Okumura Yasuo
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Okumura Yasuo
Division Of Cardiology Department Of Cardiovascular Disease Nihon University School Of Medicine
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Shindo Atsushi
Second Department Of Internal Medicine Nihon University School Of Medicine
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Nakai Toshiko
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Nakayama Tomohiro
Division Of Receptor Biology Advanced Medical Research Center Nihon University School Of Medicine
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Ohkubo Kimie
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Yamada Takeshi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Saito Satoshi
Department Of Cardiovascular Medicine Keiai Hospital
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Nakajima Teruo
Second Department Of Internal Medicine Nihon University School Of Medicine
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Okubo Kimie
Department Of Cardiology Nihon University School Of Medicine
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Komoriya Masakazu
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Takagi Yasuhiro
The Second Department Of Medicine Nihon University Shool Of Medicine
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Saito Satoshi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Saito Satoshi
Department Of Advanced Medical Science Nihon University School Of Medicine
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Shindoh Atsushi
Second Department Of Internal Medicine Nihon University School Of Medicine
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Nakayama Tomohiro
Division Of Molecular Diagnostics Advanced Medical Research Center Nihon University School Of Medici
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Yasugi Tadao
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Takagi Yasuhiro
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Yamada Takeshi
Division Of Biology National Institute Of Radiological Sciences
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Takagi Yasuhiro
Division Of Cardiology Bell Land General Hospital
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