Table 2.
Procedural information.
| Parameter | VersaCross Steerable (n = 15) | Standard workflow (n = 15) | p-value |
|---|---|---|---|
| LA catheterization | |||
| TSP time (RF-wire/guidewire insertion) (avg; min) | 3.6 ± 2.2 | 3.5 ± 3.6 | 0.98 |
| TSP time (femoral access) | 20.9 ± 5.8 | 31.7 ± 15.1 | 0.02 |
| Number of punctures (avg no./case) | 1 | 1 | 1.00 |
| Time to steerable sheath in LA (avg; min) | 21.3 ± 5.8 | 35.2 ± 14.4 | 0.003 |
| Fluoroscopy use | |||
| Time (avg; min) | 0.8 ± 1.0 | 0.3 ± 0.4 | 0.10 |
| Dose (avg; mGy) | 42.1 ± 63.3 | 12.3 ± 17.5 | 0.10 |
| AF ablation | |||
| Time to ablation start (avg; min) | 42.1 ± 7.6 | 56.8 ± 13.9 | 0.003 |
| LA dwell time (avg; min) | 61.4 ± 12.8 | 65.2 ± 10.8 | 0.40 |
| Overall procedure time (avg; min) | 86.3 ± 16.1 | 100.5 ± 19.3 | 0.04 |
| Acute Success, PVI (%) | 100 | 100 | 1.00 |
| Complications (%) | 0 | 0 | 1.00 |