Abstract
We questioned whether Complex Fractionated Atrial Electrogram (CFAE) can recur at the same site as in first ablation and relate to outcome of the patients underwent redo catheter ablation (re-CA) of atrial fibrillation (AF). METHODS Out of 173 patients undergoing re-CA of AF, 7 patients (3.4%, 60± 12 years) in whom automated CFAE (NavX map) guided ablation was performed at the first and re-CA were studied. RESULTS Mean time interval to re-CA was 21± 11 months. In 4 of 7 patients (57.1%), no PV reconnection was observed at re-CA. In 6 of 7 patients, LA septum and anterior wall near the LA appendage (LAA) were the most common recurrence sites of CFAE. In 3 patients, AF terminated during ablation of recurrent CFAEs. The CFAE CL became longer (62.5± 10.7ms vs. 88.9± 30.7ms, P=0.06) and % of area of CFAE smaller (3.0± 1.3% vs. 0.8± 0.9%, P=0.003) than in those at the first ablation. There were no significant differences in LA diameter and LA volume (46.1± 8.8mm vs 41.9± 8.9mm, P=NS, 144± 57.6 cm3 vs 121± 47.2 cm3, P=NS) between two procedures. CONCLUSIONS In re-CA, areas of CFAE became smaller and CFAE CL longer than in those at first ablation. The CFAEs at the septum and peri-LAA were frequently recurred, in which AF terminated during re-CA in 43%.
| Original language | English |
|---|---|
| Journal | Journal of Arrhythmia |
| Volume | 27 |
| DOIs | |
| Publication status | Published - 2011 Jan 1 |
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Keywords
- atrial fibrillation
- complex fractionated atrial electrogram
ASJC Scopus subject areas
- Cardiology and Cardiovascular Medicine
Cite this
Can Complex Fractionated Atrial Electrogram Recur at the Same Site in Patients with Redo Catheter Ablation of Atrial Fibrillation? / Ban, Ji Eun; Park, Yae Min; Lim, Ra Seung; Choi, Jongil; Lim, Hong Euy; Park, Sang Weon; Kim, Young Hoon.
In: Journal of Arrhythmia, Vol. 27, 01.01.2011.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Can Complex Fractionated Atrial Electrogram Recur at the Same Site in Patients with Redo Catheter Ablation of Atrial Fibrillation?
AU - Ban, Ji Eun
AU - Park, Yae Min
AU - Lim, Ra Seung
AU - Choi, Jongil
AU - Lim, Hong Euy
AU - Park, Sang Weon
AU - Kim, Young Hoon
PY - 2011/1/1
Y1 - 2011/1/1
N2 - We questioned whether Complex Fractionated Atrial Electrogram (CFAE) can recur at the same site as in first ablation and relate to outcome of the patients underwent redo catheter ablation (re-CA) of atrial fibrillation (AF). METHODS Out of 173 patients undergoing re-CA of AF, 7 patients (3.4%, 60± 12 years) in whom automated CFAE (NavX map) guided ablation was performed at the first and re-CA were studied. RESULTS Mean time interval to re-CA was 21± 11 months. In 4 of 7 patients (57.1%), no PV reconnection was observed at re-CA. In 6 of 7 patients, LA septum and anterior wall near the LA appendage (LAA) were the most common recurrence sites of CFAE. In 3 patients, AF terminated during ablation of recurrent CFAEs. The CFAE CL became longer (62.5± 10.7ms vs. 88.9± 30.7ms, P=0.06) and % of area of CFAE smaller (3.0± 1.3% vs. 0.8± 0.9%, P=0.003) than in those at the first ablation. There were no significant differences in LA diameter and LA volume (46.1± 8.8mm vs 41.9± 8.9mm, P=NS, 144± 57.6 cm3 vs 121± 47.2 cm3, P=NS) between two procedures. CONCLUSIONS In re-CA, areas of CFAE became smaller and CFAE CL longer than in those at first ablation. The CFAEs at the septum and peri-LAA were frequently recurred, in which AF terminated during re-CA in 43%.
AB - We questioned whether Complex Fractionated Atrial Electrogram (CFAE) can recur at the same site as in first ablation and relate to outcome of the patients underwent redo catheter ablation (re-CA) of atrial fibrillation (AF). METHODS Out of 173 patients undergoing re-CA of AF, 7 patients (3.4%, 60± 12 years) in whom automated CFAE (NavX map) guided ablation was performed at the first and re-CA were studied. RESULTS Mean time interval to re-CA was 21± 11 months. In 4 of 7 patients (57.1%), no PV reconnection was observed at re-CA. In 6 of 7 patients, LA septum and anterior wall near the LA appendage (LAA) were the most common recurrence sites of CFAE. In 3 patients, AF terminated during ablation of recurrent CFAEs. The CFAE CL became longer (62.5± 10.7ms vs. 88.9± 30.7ms, P=0.06) and % of area of CFAE smaller (3.0± 1.3% vs. 0.8± 0.9%, P=0.003) than in those at the first ablation. There were no significant differences in LA diameter and LA volume (46.1± 8.8mm vs 41.9± 8.9mm, P=NS, 144± 57.6 cm3 vs 121± 47.2 cm3, P=NS) between two procedures. CONCLUSIONS In re-CA, areas of CFAE became smaller and CFAE CL longer than in those at first ablation. The CFAEs at the septum and peri-LAA were frequently recurred, in which AF terminated during re-CA in 43%.
KW - atrial fibrillation
KW - complex fractionated atrial electrogram
UR - http://www.scopus.com/inward/record.url?scp=85009552832&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85009552832&partnerID=8YFLogxK
U2 - 10.4020/jhrs.27.OP40_5
DO - 10.4020/jhrs.27.OP40_5
M3 - Article
AN - SCOPUS:85009552832
VL - 27
JO - Journal of Arrhythmia
JF - Journal of Arrhythmia
SN - 1880-4276
ER -