Complex Fractionated Atrial Electrograms, Dispersion, and Voltage in Persistent Atrial Fibrillation: Implications for Electrogram-Guided Ablation.

Journal: Journal of cardiovascular electrophysiology
Published Date: May 28, 2025

Abstract

BACKGROUND: Various methods have been used to identify substrate of persistent atrial fibrillation (PeAF) including complex fractionated atrial electrograms (CFAEs), electrogram dispersion, and low-voltage areas (LVAs). This study aims to investigate their relationship and changes following ablation.

Authors

  • Hailei Liu
    Division of Cardiology The First Affiliated Hospital of Nanjing Medical University Nanjing China.
  • Ashkan Ehdaie
    Smidt Heart Institute, Cedars Sinai Medical Center, Los Angeles, California, USA.
  • Eugenio Cingolani
    Smidt Heart Institute, Cedars Sinai Medical Center, Los Angeles, California, USA.
  • Archana Ramireddy
    Smidt Heart Institute, Cedars Sinai Medical Center, Los Angeles, California, USA.
  • Eric D Braunstein
    Smidt Heart Institute, Cedars Sinai Medical Center, Los Angeles, California, USA.
  • Xunzhang Wang
    Smidt Heart Institute, Cedars Sinai Medical Center, Los Angeles, California, USA.
  • Sumeet S Chugh
    Division of Artificial Intelligence in Medicine, Department of Medicine and Cedars-Sinai Smidt Heart Institute, Los Angeles, CA. Electronic address: sumeet.chugh@csmc.edu.
  • Michael M Shehata
    Smidt Heart Institute, Cedars Sinai Medical Center, Los Angeles, California, USA.

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