Successful catheter ablation of atrial tachycardia initiated with orthodromic capture of superior vena cava potentials.

Q4 Medicine Herzschrittmachertherapie und Elektrophysiologie Pub Date : 2024-06-01 Epub Date: 2024-05-10 DOI:10.1007/s00399-024-01023-z
Kohei Ukita, Yasuyuki Egami, Yasuharu Matsunaga-Lee, Masamichi Yano, Masami Nishino
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Abstract

A case of successful catheter ablation of paroxysmal atrial fibrillation and atrial tachycardia is reported. After pulmonary vein isolation, atrial tachycardia was induced by the use of isoproterenol and burst pacing from the catheter in the right atrium. An attempt was made to create a three-dimensional (3D) map of the atrial tachycardia, but the atrial tachycardia was terminated in the middle of the mapping. The 3D map was insufficient but indicated that the superior vena cava was involved in the circuit. When the intracardiac electrograms were reviewed, it was found that the atrial tachycardia was initiated with orthodromic capture of superior vena cava potentials and it was considered that the atrial tachycardia involved the superior vena cava-right atrium junction. Accordingly, superior vena cava isolation was performed. After that, atrial fibrillation and atrial tachycardias were not induced by the use of isoproterenol and burst pacing. In this case, an intracardiac electrogram at the time of induction of the tachycardia was helpful for understanding the circuit of the tachycardia.

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成功导管消融以正交捕获上腔静脉电位引发的房性心动过速。
报告了一例成功导管消融阵发性心房颤动和房性心动过速的病例。肺静脉隔离后,使用异丙肾上腺素诱发房性心动过速,并从右心房的导管进行脉冲起搏。尝试绘制房性心动过速的三维(3D)图,但房性心动过速在绘制过程中终止。三维图不够充分,但显示上腔静脉参与了回路。复查心内电图时发现,房性心动过速是在上腔静脉电位的正向捕获下开始的,因此认为房性心动过速涉及上腔静脉-右心房交界处。因此,进行了上腔静脉隔离。此后,使用异丙肾上腺素和脉冲起搏均未诱发心房颤动和房性心动过速。在该病例中,诱发心动过速时的心内电图有助于了解心动过速的回路。
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来源期刊
Herzschrittmachertherapie und Elektrophysiologie
Herzschrittmachertherapie und Elektrophysiologie Medicine-Cardiology and Cardiovascular Medicine
CiteScore
1.10
自引率
0.00%
发文量
76
期刊介绍: Mit wissenschaftlichen Original- und Übersichtsarbeiten, Berichten über moderne Operationstechniken und experimentelle Methoden ist die Zeitschrift Herzschrittmachertherapie + Elektrophysiologie ein Diskussionsforum für Themen wie: - Zelluläre Elektrophysiologie - Theoretische Elektrophysiologie - Klinische Elektrophysiologie - Angewandte Herzschrittmachertherapie - Bradykarde und tachykarde Herzrhythmusstörungen - Plötzlicher Herztod und Risikostratifikation - Elektrokardiographie - Elektromedizinische Technologie - Experimentelle und klinische Pharmakologie - Herzchirurgie bei Herzrhythmusstörungen Mitteilungen der Arbeitsgruppen Herzschrittmacher und Arrhythmie der Deutschen Gesellschaft für Kardiologie - Herz und Kreislaufforschung e.V. (DGK) sowie Stellungnahmen und praktische Hinweise runden das breite Spektrum dieser Zeitschrift ab. Interessensgebiete: Kardiologie, Herzschrittmachertherapie, Herzschrittmachertechnologie, klinische Elektrophysiologie
期刊最新文献
[Controversies in rhythmology]. [Atrial fibrillation in combination with severe mitral regurgitation : Which should be treated first, the atrial fibrillation or the mitral valve?] [Initial ablation of atrial fibrillation-Is pulmonary vein isolation sufficient? : Pro and contra]. [(LV)EF is a poor predictor of sudden cardiac death : Pro/Contra]. Erratum zu: Herzrhythmusstörungen bei Erwachsenen mit angeborenen Herzfehlern.
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