Regions of Highly Recurrent Electrogram Morphology With Low Cycle Length Reflect Substrate for Atrial Fibrillation.
AF, atrial fibrillation
AI, anisotropy index
CFAE, complex fractionated atrial electrogram
CLR, cycle length of the most recurrent electrogram morphology
DF, dominant frequency
EGM, electrogram
EMR, electrogram morphology recurrence
FFT, fast Fourier transform
FI, fractionation interval
FIRM, focal impulse and rotor mapping
LAA, left atrial appendage
LAFW, left atrial free wall
LAT, local activation time
OI, organization index
PLA, posterior left atrium
PV, pulmonary vein
RAA, right atrial appendage
RAFW, right atrial free wall
RAP, rapid atrial pacing
Rec%, recurrence percentage
ShEn, Shannon’s entropy
arrhythmias
atrial fibrillation
fibrosis
mapping
Journal
JACC. Basic to translational science
ISSN: 2452-302X
Titre abrégé: JACC Basic Transl Sci
Pays: United States
ID NLM: 101677259
Informations de publication
Date de publication:
Jan 2023
Jan 2023
Historique:
received:
20
12
2021
revised:
20
07
2022
accepted:
20
07
2022
entrez:
13
2
2023
pubmed:
14
2
2023
medline:
14
2
2023
Statut:
epublish
Résumé
Traditional anatomically guided ablation and attempts to perform electrogram-guided atrial fibrillation (AF) ablation (CFAE, DF, and FIRM) have not been shown to be sufficient treatment for persistent AF. Using biatrial high-density electrophysiologic mapping in a canine rapid atrial pacing model of AF, we systematically investigated the relationship of electrogram morphology recurrence (EMR) (Rec% and CL
Identifiants
pubmed: 36777167
doi: 10.1016/j.jacbts.2022.07.011
pii: S2452-302X(22)00324-2
pmc: PMC9911322
doi:
Types de publication
Journal Article
Langues
eng
Pagination
68-84Informations de copyright
© 2022 Published by Elsevier on behalf of the American College of Cardiology Foundation.
Déclaration de conflit d'intérêts
Dr Arora is supported by National Institutes of Health grants R01 HL093490; R01 HL140061; an AHA Strategically Focused Research Networks AF Center grant; and by the NIH Center for Accelerated Innovations at Cleveland Clinic (NCAI-CC). Dr Arora has ownership interest in Rhythm Therapeutics. Dr Pfenniger is supported by grant KL2TR001424. All authors have reported that they have no relationships relevant to the contents of this paper to disclose.
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