Persistent AF
|
21 (88)
|
Long-duration AF
|
5 (21)
|
Perimitral flutter
|
5 (21)
|
Native (no previous AF ablation)
|
1 (5)
|
Post-AF ablation
|
4 (17)
|
Associated with documented AF
|
3 (13)
|
Left septal macro-reentry
|
1 (5)
|
Ablation lesions at the index procedure |
|
PVI
|
20 (83)
|
Mitral isthmus line (endo)
|
24 (100)
|
Mitral isthmus line (epi, coronary sinus)
|
23 (96)
|
Roof line
|
21 (88)
|
Posterior wall isolation
|
9 (38)
|
Anterior mitral line
|
1 (5)
|
CFAE
|
6 (25)
|
CTI line
|
13 (54)
|
EIVM |
|
VOM identified by fluoroscopy
|
24 (100)
|
Absence of pre-alcoolization scar in the VOM region
|
18 (75)
|
Surface of post-alcoolization scar in the VOM region,
cm2
|
12.5 (7.6–15.7)
|
Success of PV, roof line and CTI bidirectional block
|
24 (100)
|
Success of mitral isthmus bidirectional block
|
20 (83)
|
Return to SR or organized AT by EIVM
|
10 (42)
|
Procedural characteristics |
|
Procedural time, min
|
180 (155–210)
|
Radiofrequency duration, min
|
68.6 ± 6.1
|
Fluoroscopy dose, mGy.m-2
|
2.4 (1.7–4.3)
|