Table 2.
Procedural characteristics of RF delivery per PV segments and per PVs according to the presence or absence of ER and DC
| ER+/DC+ (N = 31) | ER−/DC− (N = 731) | P-value or χ2 | |
|---|---|---|---|
| Ablation in AF | 2/31 | 86/731 | 0.57 |
| Sedation (% general anaesthesia) | 35% | 48% | 0.13 |
| Analysis per PV segment | |||
| Number of applications | 1.8 ± 1.4 | 1.6 ± 1.3 | 0.23 |
| RF duration (s) | 66 ± 63 | 77 ± 63 | 0.34 |
| Average CF | 4.9 ± 4.7 | 12.2 ± 1.6 | <0.001 |
| Average FTI | 297 ± 291 | 860 ± 751 | <0.001 |
| Min CF | 4.9 ± 4.9 | 10.7 ± 8.7 | <0.001 |
| Min FTI | 186 ± 218 | 458 ± 456 | <0.001 |
| CF at first RF delivery | 5.3 ± 4.7 | 12.0 ± 9.1 | <0.001 |
| FTI at first RF delivery | 192 ± 216 | 529 ± 481 | <0.001 |
| Analysis per PV | |||
| Common ostium | 1 | 2 | na |
| Number of applications per vein | 13.5 ± 9.5 | 10.5 ± 8.8 | 0.11 |
| Average CF | 9.9 ± 4.9 | 12.6 ± 6.4 | 0.03 |
| Average FTI | 886 ± 499 | 726 ± 416 | 0.12 |
| Jumping index | 6.0 ± 5.0 | 4.5 ± 4 | 0.09 |