Table 2.
Procedural characteristics
| Standard ablation | HPSD ablation | P | |
|---|---|---|---|
| Full cohort | n = 57 | n = 57 | |
| EAM/CF use | 20 (35%) | 36 (63%) | .003 |
| Ablation time, mins | 14.7 (10.4–27.4)† | 4.6 (3.5–6.8)† | <.001 |
| Non-EAM/CF cohort | n = 37 | n = 21 | |
| Ablation time, mins | 21.6 (13.2–30.8)‡ | 8.3 (3.9–13.0)‡ | <.001 |
| Fluoroscopy, mins | 36 ± 21 | 34 ± 18 | .622 |
| Fluoroscopy dose, mGy | 816 ± 1011 | 728 ± 1240 | .467 |
| Fentanyl use, mcg | 168 ± 85 | 116 ± 68 | .032 |
| Midazolam use, mg | 4.6 ± 2.3 | 3.6 ± 1.7 | .097 |
CF = contact force sensing; EAM = electroanatomic mapping; HPSD = high-power short-duration.
†
Geometric means of 17.3 ± 2.1 and 5.0 ± 1.8 minutes for standard and HPSD ablation, respectively.
‡
Geometric means of 22.3 ± 2.0 and 7.0 ± 2.0 minutes for standard and HPSD ablation, respectively.