Research Article

Combined Catheter Ablation and Left Atrial Appendage Closure in Atrial Fibrillation Patients with and without Prior Stroke

Table 2

Procedural characteristics and safety.

Stroke group
N = 81
Control group
N = 215
value

Procedure time (min)154.1 ± 24.9159.7 ± 28.60.123
Fluoroscopy time (min)10.2 ± 3.210.9 ± 3.40.117
PVI only37 (45.7)106 (49.3)0.578
PVI plus linear/CFAE ablation44 (54.3)109 (50.7)0.578
Morphology of LAA
 Cauliflower48 (59.3)133 (61.9)0.682
 Chicken wing18 (22.2)40 (18.6)0.485
 Cactus8 (9.9)27 (12.6)0.524
 Windsock7 (8.6)15 (7.0)0.626
LAA ostium width (mm)22.5 ± 3.023.1 ± 3.40.165
Device size (mm)28.1 ± 3.128.6 ± 3.40.253
Device compression (%)20.0 ± 4.819.3 ± 5.40.292
Successful implantation81 (100)215 (100)
Peridevice leak at implantation
 Complete occlusion of LAA77 (95.1)202 (94.0)0.715
 Leak ≤ 5 mm4 (4.9)13 (6.0)0.715
 Leak > 5 mm0 (0.0)0 (0.0)
Procedure-related complications4 (4.9)7 (4.2)0.778
 Death0 (0.0)0 (0.0)
 Pericardial effusion2 (2.5)4 (1.9)0.740
 Coronary air embolism0 (0.0)1 (0.5)0.539
 Stroke0 (0.0)1 (0.5)0.539
 Major bleeding events0 (0.0)0 (0.0)
 Complications of vascular access2 (2.5)3 (1.4)0.523

Values are mean ± SD or n (%) as appropriate. AF, atrial fibrillation; CFAE, complex fragmented atrial electrogram; LAA, left atrial appendage; PVI, pulmonary vein isolation.