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2005•Jiangsu Medical JournalRequires access

Simplified mapping method for verification of bidirectional isthmus block

Jinqiang Guo

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Abstract

Objective To evaluate the simplified mapping method for verification of bidirectional isthmus block in radiofrequency catheter ablation of isthmus dependent atrial flutter(AFL).Methods(Twelve) patients with isthmus dependent atrial flutter were enrolled.Linear tricuspid isthmus radiofrequency ablation was performed,and isthmus bidirectional block was verified by the simplified mapping method without Halo catheter.Results Complete isthmus bidirectional conduction block was(achieved) at the end of the procedure without any complication.No recurrence of AFL occurred during the(follow-up) of(16±11) months,and one patient had episodes of paroxysmal atrial fibrillation.Conclusion(Isthmus) conduction prior ablation and bidirectional block post ablation could be displayed clearly by the simplified mapping method,which is suitable for mapping and ablation of isthmus dependent atrial flutter.

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What this paper is about

Objective To evaluate the simplified mapping method for verification of bidirectional isthmus block in radiofrequency catheter ablation of isthmus dependent atrial flutter(AFL).Methods(Twelve) patients with isthmus dependent atrial flutter were enrolled.Linear tricuspid isthmus radiofrequency ablation was performed,and isthmus bidirectional block was verified by the simplified mapping method without Halo catheter.Results Complete isthmus bidirectional conduction block was(achieved) at the end of the procedure without any complication.No recurrence of AFL occurred during the(follow-up) of(16±11) months,and one patient had episodes of paroxysmal atrial fibrillation.Conclusion(Isthmus) conduction prior ablation and bidirectional block post ablation could be displayed clearly by the simplified mapping method,which is suitable for mapping and ablation of isthmus dependent atrial flutter.

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Available abstract

Objective To evaluate the simplified mapping method for verification of bidirectional isthmus block in radiofrequency catheter ablation of isthmus dependent atrial flutter(AFL).Methods(Twelve) patients with isthmus dependent atrial flutter were enrolled.Linear tricuspid isthmus radiofrequency ablation was performed,and isthmus bidirectional block was verified by the simplified mapping method without Halo catheter.Results Complete isthmus bidirectional conduction block was(achieved) at the end of the procedure without any complication.No recurrence of AFL occurred during the(follow-up) of(16±11) months,and one patient had episodes of paroxysmal atrial fibrillation.Conclusion(Isthmus) conduction prior ablation and bidirectional block post ablation could be displayed clearly by the simplified mapping method,which is suitable for mapping and ablation of isthmus dependent atrial flutter.

Key concepts: Atrial flutter, Ablation, Medicine, Catheter ablation, Atrial fibrillation, Block (permutation group theory), Radiofrequency ablation, Cardiology

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