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Europace Advance Access originally published online on July 14, 2008
Europace 2008 10(11):1336-1339; doi:10.1093/europace/eun189
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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

SHORT COMMUNICATIONS

Is atrial fibrillation with very short cycle length suitable for ablation? A case report

Igor Diemberger1,*, James McCready2, Laurence Nunn2 and Anthony W.C. Chow2,*

1 Institute of Cardiology, University of Bologna, Azienda Ospedaliera S.Orsola-Malpighi, Bologna, Italy; 2 Department of Cardiac Electrophysiology, The Heart Hospital, UCLH Foundation Trust, 16–18 Westmoreland Street, London W1G 8PH, UK

We present a case of a 36-year-old woman with highly symptomatic persistent atrial fibrillation (AF) refractory to sotalol, flecainide, and external direct current (DC) cardioversion. The patient underwent biatrial mapping and ablation procedure for AF. Both atria were characterized by refractory properties which were much shorter than reported previously. Global fibrillatory activity was present with a median cycle length of 120 ms (range: 62–143). Extensive map-guided ablation sets had to be delivered to both left and right sides before effective DC cardioversion enabled sinus rhythm (SR) restoration. The patient remained in SR at 9 months of follow-up.

Key Words: Atrial fibrillation, Ablation, Mapping, Remodelling, Persistent

* Corresponding authors. Tel: +39 0516363498 (I.D.); +44 2075738888; fax: +44 2075838847 (A.W.C.C.) E-mail address: igor.diemberger{at}gmail.com (I.D.) or anthony.chow{at}uclh.nhs.uk (A.W.C.C.)

Manuscript submitted 5 May 2008. Accepted after revision 25 June 2008.


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