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Europace Advance Access published online on August 28, 2008
Europace, doi:10.1093/europace/eun238
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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2008. For permissions please email: journals.permissions@oxfordjournals.org

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Electroanatomic mapping in the catheter ablation of premature atrial contractions with a non-pulmonary vein origin

Takumi Yamada1,*, Yoshimasa Murakami2, Taro Okada2, Hugh Thomas McElderry1, Harish Doppalapudi1, Andrew E. Epstein1, Vance J. Plumb1, Toyoaki Murohara3 and George Neal Kay1

1 Division of Cardiovascular Disease, University of Alabama at Birmingham, VH B147, 1670 University Boulevard, 1530 3rd Avenue South, Birmingham, AL 35294-0019, USA; 2 Division of Cardiology, Aichi Prefectural Cardiovascular and Respiratory Center, Ichinomiya, Japan; 3 Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan

Symptomatic premature atrial contractions (PACs) may be a target for catheter ablation. However, mapping of PACs with an atrial origin may not be easy because of erratic incidence and different sites of origin. Although the technique and efficacy of electroanatomic mapping has been established in stable arrhythmias, electroanatomic mapping of PACs in intermittent arrhythmias has not yet been reported. This article describes a manoeuvre for mapping PACs using an electroanatomic mapping system. Our experience has demonstrated that electroanatomic mapping using an auto-freeze map is feasible during PACs and may be an option for catheter ablation of PACs.

Key Words: Electroanatomic mapping, Premature atrial contraction, Non-pulmonary vein, Radiofrequency catheter ablation

* Corresponding author. Tel: +1 205 975 4724; fax: +1 205 975 4720. E-mail address: takumi-y{at}fb4.so-net.ne.jp

Manuscript submitted 5 May 2008. Accepted after revision 21 July 2008.


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