Combined Therapy of Catheter Ablation and Left Atrial Appendage Closure for Patients with Atrial Fibrillation: A Case-Control Study
Table 3
Catheter ablation and arrhythmia follow-up.
Combined (n = 76)
CA-only (n = 76)
Mapping system
CARTO
33 (43.4)
37 (48.7)
0.515
EnSite
43 (56.6)
39 (51.3)
0.515
PVI only
39 (51.3)
41 (53.9)
0.745
PVI plus linear/CFAE ablation
37 (48.7)
35 (46.1)
0.745
Cardioversion
36 (47.4)
32 (42.1)
0.514
Procedure time (min)
129 ± 24.5
133.1 ± 26.4
0.388
Fluoroscopy time (min)
5.4 ± 2.4
5.9 ± 2.6
0.336
Complications
3 (3.9)
2 (2.6)
0.650
Pericardial effusion
1 (1.3)
1 (1.3)
1.000
Stroke
0 (0.0)
0 (0.0)
—
Major bleeding events
0 (0.0)
0 (0.0)
—
Death
0 (0.0)
0 (0.0)
—
Complications of vascular access
2 (2.6)
1 (1.3)
0.561
Average follow-up (months)
24.0 ± 5.2
23.7 ± 4.9
0.717
AF-free follow-up
Overall
51 (67.1)
53 (69.7)
0.727
Paroxysmal AF
26 (70.3)
29 (76.3)
0.554
Persistent AF
25 (64.1)
24 (63.2)
0.931
Redo ablation
12 (15.8)
9 (11.8)
0.481
Follow-up events
3 (3.9)
4 (5.3)
0.699
Ischemic stroke events
1 (1.3)
1 (1.3)
1.000
Bleeding events
2 (2.6)
3 (3.9)
0.650
The procedure and fluoroscopy time were calculated from femoral venous puncture to the end of the ablation. Values are mean ± SD or n (%) as appropriate. AF, atrial fibrillation; CA, catheter ablation; CFAE, complex fragmented atrial electrogram; PVI, pulmonary vein isolation.