Table 2.
Overall procedural data
| Procedural characteristics | Total |
|---|---|
| General anaesthesia/intubation | 51/51 (100%) |
| Procedure time (skin to skin), mean ± SD, min | 118 ± 37 |
| Procedure time (skin to skin), median (IQR), min | 112 (88–135) |
| Fluoroscopy, mean ± SD, min | 6 ± 3 |
| Fluoroscopy, median (IQR), min | 5 (4–8) |
| Dose area product, mean ± SD, cGy × cm2 | 9 ± 10 |
| First-time PVI | 17/51 (36%) |
| Repeat ablation | 18/51 (38%) |
| First-time PVI with additional lesion set – PVI ( +) | 13/51 (28%) |
| Cavotricuspid isthmus block – only | 3/51 (6%) |
| Isolation achieved with FPFA*-only, patients (%) | 48/51 (94%) |
| FPFA applications (tags), mean ± SD, min | 53 ± 27 |
| Ultrahigh-density 3D bipolar voltage maps | 51/51 |
| Post ablation evaluation mapping time, mean ± SD, min | 7 ± 4 |
| Mapping points, mean ± SD, min | 5485 ± 4809 |
*Two patients were selected for hybrid FPFA and radiofrequency (RF) approach because of coronary spasm concerns. In one patient, a switch to RF was necessary due to technical errors of the PFA system
DAP, dose area product; IQR, interquartile range; SD, standard deviation; FPFA, focal pulsed field ablation; PVI, pulmonary vein isolation