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Japanese

Radiofrequency Catheter Ablation of Atrial Tachycardia with Reentry Circuit in the Transitional Zone of the Atrioventricular Node Takasi Komatsu 1 , Shin Nakamura 1 , Eita Saitou 1 , Takao Kobayashi 1 , Masao Kimura 1 , Shingen Oowada 1 , Hidenari Houzawa 2 , Kenji Tamaki 2 , Ken Okumura 3 1The Division of Cardiology, Department of Internal Medicine, Iwate Prefectural Iwai Hospital 2The Division of Cardiology, Department of Internal Medicine, Iwate Prefectural Central Hospital 3The Second Department of Internal Medicine Hirosaki University School of Medicine Keyword: 高周波カテーテルアブレーション , ATP感受性心房内リエントリー性頻拍 , 房室結節近傍 , radiofrequency catheter ablation , adenosine-sensitive intraatrial reentrant tachycardia , atrioventricular nodal transitional area pp.85-93
Published Date 2001/1/15
DOI https://doi.org/10.11477/mf.1404902230
  • Abstract
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 Radiofrequency catheter ablation was successfullyperformed in two patients with adenosine-sensitiveintraatrial reentrant tachycardia orginating from theatrioventricular nodal transitional area. It was effectiveto treat antiarrhythmic drug resistant intraatrialreentrant tachycardia by using radiofrequency catheterablation, but it was important to perform careful catheter ablation without injury of the normal atrioventricular conduction system, because there was reentrycircuit in the transitional zone of the atrioventricularnode. We selected the ablation site showing “fractionation with atrial wave in the intracardiac electrogram”and “precedence from P-wave in the body-surface electrocardiogram”. We concluded that radiofrequencycatheter ablation was an established treatment forintraatrial reentrant tachycardia, but the best methodfor deciding a perfectly safe and effective ablation sitein the atrioventricular nodal transitional area is stillcontroversial.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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