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A novel approach to terminate roof-dependent atrial flutter with epicardial conduction through septopulmonary bundle.
BMC Cardiovasc Disord
July 2024
Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun Road, Shangcheng District, Hangzhou City, Zhejiang Province, 310002, China.
Atrial flutter, a prevalent cardiac arrhythmia, is primarily characterized by reentrant circuits in the right atrium. However, atypical forms of atrial flutter present distinct challenges in terms of diagnosis and treatment. In this study, we examine three noteworthy clinical cases of atypical atrial flutter, which offer compelling evidence indicating the implication of the lesser-known Septopulmonary Bundle (SPB).
View Article and Find Full Text PDFRevisiting the characteristics and ablation strategy of biatrial tachycardias: a case series and systematic review.
Europace
March 2023
Department of Cardiology, National Clinical Research Center for Cardiovascular Diseases, Beijing Anzhen Hospital, Capital Medical University, No. 2, Anzhen Road, Chaoyang District, 100029 Beijing, China.
Aims: To describe the role of left atrial (LA) epicardial conduction and targets of ablation in biatrial tachycardias (BiATs).
Methods And Results: Consecutive patients with BiAT diagnosed by high-density mapping and appropriate entrainment were enrolled. A systematic review of case reports or series was then performed.
Role of the Septopulmonary Bundle in Sustained Atrial Re-Entry.
JACC Clin Electrophysiol
November 2021
Department of Cardiology, Royal Melbourne Hospital, Melbourne, Australia; Department of Medicine, University of Melbourne, Melbourne, Australia. Electronic address:
Roof-dependent atrial flutter with an epicardial component: Role of the septopulmonary bundle.
J Cardiovasc Electrophysiol
July 2019
International Arrhythmia Center, CardioInfantil Foundation, Bogotá, Colombia.
Catheter ablation of atrial fibrillation may predispose patients to the development of atypical atrial flutters (AFL). We describe two cases of roof dependent AFLs that failed to terminate despite posterior wall isolation. An epicardial breakthrough involving the septopulmonary bundle is proposed.
View Article and Find Full Text PDFMechanisms responsible for the initiation and maintenance of atrial fibrillation assessed by non-contact mapping system.
Int J Cardiol
February 2008
Cardiovascular Center, Korea University Guro Hospital 80, Guro-dong, Guro-gu, Seoul, Korea.
Background: This study is aimed to assess the initiation and maintenance mechanisms of atrial fibrillation (AF) and their relationships with the anatomical structures of the left atrium (LA) and pulmonary veins (PVs).
Methods: Thirty-seven patients (pts; 33 men, mean age 50+/-12, range 25-68 years) with paroxysmal AF (n=29) and persistent AF (n=8) who underwent mapping of the LA and PV using 3D non-contact endocardial mapping system (EnSite 3000) were included. Atrial premature complexes (APCs) which triggered the initiation of AF lasted longer than 1 min were mapped and the activation sequence on isopotential color maps was analyzed.
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