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The Influence of Repetitive Delivery of Radiofrequency Current in Catheter Ablation Kaoru Sugi 1 , Kenji Ninomiya 1 , Takanori Ikeda 1 , Yoshihisa Enjoji 1 , Masashi Kasao 1 , So Yabuki 1 , Tetsu Yamaguchi 1 , Kei Takahashi 2 , Shiro Naoe 2 1The Third Department of Internal Medicine, Ohashi Hospital, Toho University School of Medicine 2Department of Pathology, Ohashi Hospital, Toho University School of Medicine Keyword: 高周波カテーテル焼灼術 , 高周波反復通電 , 組織学的変化 , radiofrequency catheter ablation , repetitive delivery of radiofrequency current , histology pp.383-388
Published Date 1993/4/15
DOI https://doi.org/10.11477/mf.1404900654
  • Abstract
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The single delivery of radiofrequency current to the cardiac tissue can produce discrete small and shallow area of homogeneous coagulation necrosis. Little is known, however, concerning the influence of repetitive deliveries of radiofrequency current to the identical site of the ventricular myocardium. Therefore, in animal experiments using 8 dogs, we investigated the influences of those applications on the ventricular myocardium from the histological and electrocardiographical aspects. The used frequencies of radiofrequency current were 13.56 MHz (RF-50), 520 kHz (Hatt 200 S) and 500 kHz (LL-50).


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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