Mapping and Ablation of Left Atrial Flutter and Tachycardia: New Observations

Published on Apr 5, 2019
路 DOI :10.1002/9781119152637.CH41
Philipp Sommer7
Estimated H-index: 7
(RUB: Ruhr University Bochum),
Gerhard Hindricks86
Estimated H-index: 86
(Leipzig University)
馃摉 Papers frequently viewed together
#1Nikolaos Dagres (UoA: National and Kapodistrian University of Athens)H-Index: 3
#2Gerhard Hindricks (Leipzig University)H-Index: 86
Last. Christopher Piorkowski (Leipzig University)H-Index: 9
view all 11 authors...
Introduction: Catheter ablation is potentially curative treatment for atrial fibrillation (AF). However, complications are more frequent and more severe compared with other ablation procedures. We investigated the complication rate in 1,000 AF ablation procedures in a high-volume center and examined possible risk factors. Methods and Results: One thousand consecutive circumferential pulmonary vein radiofrequency ablations were performed for symptomatic, drug-refractory AF. Major complications we...
Background: Atrial tachycardia (AT) occurring following catheter ablation of persistent atrial fibrillation (AF) may be challenging to map and ablate because their mechanism and location is unpredictable and may be multiple in an individual patient. Methods and Results: A prospective cohort of 128 consecutive patients presenting 246 AT in the context of prior AF ablation was investigated. Using activation and entrainment mapping and applying the consensus definition of AT, we evaluated a deducti...
#1Masahiro Esato (Leipzig University)H-Index: 5
#2Gerhard Hindricks (Leipzig University)H-Index: 86
Last. Christopher Piorkowski (Leipzig University)H-Index: 43
view all 12 authors...
Background Mapping and ablation of atrial macroreentrant tachycardia focus on activation mapping with identification of the area of slow conduction. Objective The purpose of this study was to evaluate a new concept for analysis and treatment of macroreentrant tachycardia based on color-coded three-dimensional (3D) entrainment mapping and subsequent placement of strategic lesion lines. Methods Twenty-six patients presented with macroreentrant tachycardia (cycle length 329 卤 70 ms). Using nonfluor...
#1Christopher Piorkowski (Leipzig University)H-Index: 43
#2Simon Kircher (Leipzig University)H-Index: 16
Last. Gerhard Hindricks (Leipzig University)H-Index: 86
view all 11 authors...
Aims Accurate orientation within true three-dimensional (3D) anatomies is essential for the successful radiofrequency (RF) catheter ablation of atrial fibrillation (AF) and atrial macro-re-entrant tachycardia (MRT). In this prospective study, ablation of AF and MRT was performed exclusively using a pre-acquired and integrated computed tomography (CT) image for anatomical 3D orientation without electro-anatomic reconstruction of the left atrium (LA). Methods and results Fifty-four consecutive pat...
#1Kazuhiro SatomiH-Index: 26
#2Dietmar B盲nschH-Index: 24
Last. Feifan OuyangH-Index: 57
view all 9 authors...
Background The macroreentrant tachycardia that involves the left atrium (LA) and the pulmonary veins (PVs) after atrial fibrillation (AF) ablation has not been described. Objective To clarify the mechanism and electrophysiological characteristics of this tachycardia. Methods and Results Eight patients presented with recurrent regular tachycardia after the initial procedure, which consisted of two circular linear lesions around the ipsilateral PVs. Clinical tachycardia with a cycle length of 297 ...
: Entrainment was first described based on observations during rapid (overdrive) pacing of type I atrial flutter. Entrainment is capture of the reentrant circuit of a tachycardia without interrupting the tachycardia, so that with cessation of pacing, the spontaneous reentrant tachycardia is still present. During entrainment, the orthodromic wavefront from the pacing impulse resets the tachycardia to the pacing rate, while the antidromic wavefront either collides with the orthodromic wavefront of...
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