Table 3.
LAAO procedural characteristics and outcomes
| Group I with CIED (%) | Group II without CIED (%) | p value | |
|---|---|---|---|
| Total number of patients | 31 | 243 | |
| Procedural success rate | 27 (87.1) | 232 (95.5) | 0.075 |
| Procedure type | |||
| Stand-alone LAAO | 23 (74.2) | 110 (45.3) | 0.002 |
| Combined CA with LAAO | 8 (25.8) | 133 (54.7) | |
| Device type | |||
| WATCHMAN 2.5 | 25 (80.6) | 189 (77.8) | 0.792 |
| WATCHMAN FLX | 4 (12.9) | 42 (17.3) | |
| Amplatzer Amulet | 2 (6.5) | 12 (4.9) | |
| Duration procedure in minutes, mean (SD) | |||
| Stand-alone LAAO | |||
| Venous puncture–TSP | 10: 40 ± 05: 23 | 12: 56 ± 10: 16 | 0.319 |
| Total procedure time | 53: 52 ± 20: 50 | 53: 27 ± 21: 48 | 0.934 |
| Fluoroscopy time | 09: 59 ± 05: 53 | 08: 48 ± 04: 54 | 0.358 |
| Combined CA with LAAO | |||
| Venous puncture–TSP | 08: 00 ± 03: 52 | 09: 35 ± 07: 35 | 0.583 |
| Total procedure time | 1: 45: 00 ± 29: 11 | 1: 47: 31 ± 30: 11 | 0.818 |
| Fluoroscopy time | 13: 08 ± 04: 50 | 15: 37 ± 05: 56 | 0.281 |
| Radiation exposure (DAP Gy·cm2) | |||
| Stand-alone LAAO | 21.5 (12.3–36.9) | 20.0 (11.0–33.0) | 0.381 |
| Combined CA with LAAO | 29.0 (18.0–38.0) | 37.0 (25.0–57.3) | 0.157 |
CA, catheter ablation; CIED, cardiac implantable electronic device; DAP, dose area product; LA, left atrium; LAA, left atrial appendage; LAAO, left atrial appendage occlusion; NSVT, non-sustained ventricular tachycardia; SD, standard deviation; TIA, transient ischemic attack; TOE, transesophageal echography; TSP, transseptal puncture