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Voltage-Guided Ablation Technique for Cavotricuspid Isthmus-Dependent Atrial Flutter:: Refining the Continuous Line.
MedLine Citation:
PMID:  22554221     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Voltage-Guided Ablation Technique for Cavotricuspid Isthmus-Dependent Atrial Flutter.  Ablation of the cavotricuspid isthmus has become first-line therapy for "isthmus-dependent" atrial flutter. The goal of ablation is to produce bidirectional cavotricuspid isthmus block. Traditionally, this has been obtained by creation of a complete ablation line across the isthmus from the ventricular end to the inferior vena cava. This article describes an alternative method used in our laboratory. There is substantial evidence that conduction across the isthmus occurs preferentially over discrete separate bundles of tissue. Consequently, voltage-guided ablation targeting only these bundles with large amplitude atrial electrograms results in a highly efficient alternate method for the interruption of conduction across the cavotricuspid isthmus. Understanding the bundle structure of conduction over the isthmus facilitates more flexible approaches to its ablation and targeting maximum voltages in our hands has resulted in reduction of ablation time and fewer recurrences. (J Cardiovasc Electrophysiol, Vol. pp. 1-5).
Authors:
Peter K Jacobsen; George J Klein; Lorne J Gula; Andrew D Krahn; Raymond Yee; Peter Leong-Sit; Alexis Mechulan; Allan C Skanes
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-3
Journal Detail:
Title:  Journal of cardiovascular electrophysiology     Volume:  -     ISSN:  1540-8167     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9010756     Medline TA:  J Cardiovasc Electrophysiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Wiley Periodicals, Inc.
Affiliation:
Arrhythmia Service, University of Western Ontario, London, Ontario, Canada.
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