Pulmonary veins to left atrium cycle length gradient predicts procedural and clinical outcomes of persistent atrial fibrillation ablation.

@article{Pascale2014PulmonaryVT,
  title={Pulmonary veins to left atrium cycle length gradient predicts procedural and clinical outcomes of persistent atrial fibrillation ablation.},
  author={Patrizio Pascale and Ashok J. Shah and Laurent Roten and Daniel Scherr and Yuki Komatsu and Khaled Ramoul and Matthew Daly and Arnaud Denis and Nicolas Derval and Fr{\'e}d{\'e}ric Sacher and Meleze Hocini and Pierre Ja{\"i}s and Michel Ha{\"i}ssaguerre},
  journal={Circulation. Arrhythmia and electrophysiology},
  year={2014},
  volume={7 3},
  pages={473-82}
}
BACKGROUND Rapid pulmonary vein (PV) activity has been shown to maintain paroxysmal atrial fibrillation (AF). We evaluated in persistent AF the cycle length (CL) gradient between PVs and the left atrium (LA) in an attempt to identify the subset of patients where PVs play an important role. METHODS AND RESULTS Ninety-seven consecutive patients undergoing first ablation for persistent AF were studied. For each PV, the CL of the fastest activation was assessed over 1 minute (PVfast) using Lasso… CONTINUE READING

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