Combined Therapy of Catheter Ablation and Left Atrial Appendage Closure for Patients with Atrial Fibrillation: A Case-Control Study
Table 4
Left atrial appendage closure and device follow-up.
Combined (n = 76)
LAAC-only (n = 76)
Morphology of LAA
Cauliflower
48 (63.2)
52 (68.4)
0.494
Chicken wing
16 (21.1)
8 (10.5)
0.075
Cactus
6 (7.9)
9 (11.8)
0.415
Windsock
6 (7.9)
7 (9.2)
0.772
Procedure time (min)
26.1 ± 6.4
28.0 ± 8.7
0.149
Fluoroscopy time (min)
4.9 ± 1.9
4.5 ± 2.4
0.273
LAA ostium width (mm)
22.9 ± 3.1
23.5 ± 3.4
0.220
Device size (mm)
29.0 ± 3.0
29.1 ± 3.2
0.876
Number of device size changes per patient
0
73 (96.1)
71 (93.4)
0.468
1
3 (3.9)
5 (6.6)
0.468
2
0 (0.0)
0 (0.0)
—
Device compression (%)
19.6 ± 4.5
18.4 ± 4.3
0.085
Successful implantation
76 (100)
76 (100)
—
Peridevice leak at implantation
Complete occlusion of LAA
72 (94.7)
70 (92.1)
0.513
Leak ≤5 mm
4 (5.3)
6 (7.9)
0.513
Leak >5 mm
0 (0.0)
0 (0.0)
—
Complications
3 (3.9)
2 (2.6)
0.650
Pericardial effusion
1 (1.3)
0 (0.0)
0.317
Stroke
0 (0.0)
0 (0.0)
—
Coronary air embolism
0 (0.0)
1 (1.3)
0.317
Bleeding
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
Peridevice leak at 45 days
Complete occlusion of LAA
63 (82.9)
65 (85.5)
0.656
New peridevice leaks
10 (13.2)
7 (9.2)
0.440
Persistent peridevice leaks
3 (3.9)
4 (5.3)
0.699
Device-associated thrombosis
0 (0.0)
1 (1.3)
0.317
Average follow-up (months)
24.0 ± 5.2
24.1 ± 4.9
0.961
Follow-up events
3 (3.9)
2 (2.6)
0.650
Ischemic stroke events
1 (1.3)
0 (0.0)
0.317
Bleeding events
2 (2.6)
2 (2.6)
1.000
The procedure and fluoroscopy time were calculated from the WATCHMAN access sheath exchange to the end of the procedure. Values are mean ± SD or n (%) as appropriate. AF, atrial fibrillation; LAA, left atrial appendage; LAAC, left atrial appendage closure.
