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Spatial and temporal variability of the complex fractionated atrial electrogram activity and dominant frequency in human atrial fibrillation.
Rikitake Kogawa
1 ,
Yasuo Okumura
1 ,
Ichiro Watanabe
1 ,
Masayoshi Kofune
1 ,
Koichi Nagashima
1 ,
Hiroaki Mano
1 ,
Kazumasa Sonoda
1 ,
Naoko Sasaki
1 ,
Kimie Ohkubo
1 ,
Toshiko Nakai
1 ,
Atsushi Hirayama
1
Apr 2015
3D, 3-dimensional,
AF, atrial fibrillation,
Atrial fibrillation,
Basket catheter,
CFAE, complex fractionated atrial electrogram,
Complex fractionated atrial electrogram,
DF, dominant frequency,
Dominant frequency,
FI, fractionation interval,
LA, left atrium,
LAA, left atrial appendage,
LV, left ventricle,
MAP, monophasic action potential,
PV, pulmonary vein,
PVI, pulmonary vein isolation,
PerAF, persistent AF
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Abstract
The presence of complex fractionated atrial electrograms (CFAEs) and high dominant frequencies (DFs) during atrial fibrillation (AF) have been demonstrated to be related to AF maintenance. Therefore, sequential mapping of CFAEs and DFs have been used for target sites of AF ablation. However, such mapping strategies are valid only if the CFAEs and DFs are spatiotemporally stable during the mapping procedure. We obtained spatially stable multi-electrode recordings to assess the spatiotemporal stability of CFAEs and DFs.
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Author and article information
CFAE, complex fractionated atrial electrogram,3D, 3-dimensional,AF, atrial fibrillation,Atrial fibrillation,Basket catheter,Complex fractionated atrial electrogram,DF, dominant frequency,Dominant frequency,FI, fractionation interval,LA, left atrium,LAA, left atrial appendage,LV, left ventricle,MAP, monophasic action potential,PV, pulmonary vein,PVI, pulmonary vein isolation,PerAF, persistent AF
CFAE, complex fractionated atrial electrogram, 3D, 3-dimensional, AF, atrial fibrillation, Atrial fibrillation, Basket catheter, Complex fractionated atrial electrogram, DF, dominant frequency, Dominant frequency, FI, fractionation interval, LA, left atrium, LAA, left atrial appendage, LV, left ventricle, MAP, monophasic action potential, PV, pulmonary vein, PVI, pulmonary vein isolation, PerAF, persistent AF