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Japanese

Abolition of Polymorphic Ventricular Tachycardia after Catheter Ablation at the Right Ventricular Outflow Tract Katsunori Okajima 1 , Yoshio Ohnishi 1 , Kouhei Yamashiro 1 , Asumi Takei 1 , Kazumasa Adachi 1 , Nami Kuroda 1 , Mitsuhiro Yokoyama 1 1First Department of Internal Medicine, Kobe University School of Medicine Keyword: 右室流出路 , 多形性心室頻拍 , カテーテルアブレーション , right ventricular outflow tract , polymorphic ventricular tachycardia , catheter ablation pp.309-312
Published Date 2000/3/15
DOI https://doi.org/10.11477/mf.1404902065
  • Abstract
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A 49-year-old female was admitted to our hospitalfor evaluation of polymorphic ventricular tachycardia(PMVT). The PMVT was always triggered by aventricular premature beat (VPB) which originatedfrom the right ventricular outflow tract. The VT couldnot be induced by programmed ventricular stimulation.Antiarrhythmic drugs (class Ia, Ib, IV and nicorandil)were ineffective for suppression of VPBs, but PMVTwas completely eliminated by catheter ablation target-ing for the triggering VPB. During a follow-up period ofthree months, VT did not recur even though antiarrhyth-mic drugs were not used. Catheter ablation is very usefulfor the treatment of polymorphic ventricular tachycar-dia initiated by a ventricular premature beat originatingfrom the right ventricular outflow tract.


Copyright © 2000, 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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