Table 1.
Demographics and procedural data
| CIR group (n = 65) | RMI group (n = 23) | RMN group (n = 26) | |
|---|---|---|---|
| Male (%) | 51 (79%) | 22 (96%)* | 20 (77%) |
| Age (years) (± SD) | 57 ± 9 | 59 ± 7 | 55 ± 8 |
| Paroxysmal AF (%) | 40 (61%) | 15 (65%) | 14 (54%) |
| Lone AF (%) | 35 (54%) | 12 (52%) | 13 (50%) |
| Prior AF ablation (%) | 18 (28%) | 7 (30%) | 6 (23%) |
| PVI without additional ablation | 22 (34%) | 10 (43%) | 6 (46%)a |
| Procedure time (min) (± SD) | 215 ± 61** | 340 ± 107 | 324 ± 74a |
| Total ablation time (sec) (± SD) | 3081 ± 1515** | 6565 ± 2206*** | 4737 ± 1111a |
| Fluoroscopy time (min) (± SD) | 46.1 ± 17 | 53.7 ± 22 | 54.5 ± 21a |
CIR group conventional manual irrigated catheter; RMI group remote magnetic navigation, irrigated catheter; RMN group remote magnetic navigation, non-irrigated catheter; PVI pulmonary vein isolation; AF atrial fibrillation; SD standard deviation
aOnly those with PVI confirmed by a circular catheter were included (n = 13)
*significant vs CIR and RMN, p < 0.05; ** significant vs RMI and RMN, p < 0.001; *** significant vs RMN, p < 0.001