Dynamics of Endo- and Epicardial Focal Fibrillation Waves at the Right Atrium in a Patient With Advanced Atrial Remodelling

L.J.M.E. van der Does, C. Kik, A.J.J.C. Bogers, M.A. Allessie, N.M.S. de Groot*

*Corresponding author for this work

Research output: Contribution to journalEditorialAcademicpeer-review

Abstract

Focal waves appear frequently at the epicardium during persistent atrial fibrillation (AF), however, the origin of these waves is under debate. We performed simultaneous endo-epicardial mapping of the right atrial wall during longstanding persistent AF in a patient undergoing cardiac surgery. During 10 seconds 53 and 59 focal waves appeared at random at respectively the endocardium and epicardium. Repetitive focal activity did not last longer than 3 cycles. Transmural asynchrony and conduction might be the origin of focal waves. Asynchronous propagation of fibrillation waves in 3 dimensions would stabilize the arrhythmia and could explain the limited success of persistent AF ablation.
Original languageEnglish
Article number1260.e19
Number of pages3
JournalCanadian Journal of Cardiology
Volume32
Issue number10
DOIs
Publication statusPublished - 1 Oct 2016

Keywords

  • BREAKTHROUGH
  • HEART

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