Table 2.
Procedure details of fluoroscopy-guided and fluoroless radiofrequency catheter ablations for AF
| Characteristic | Fluoroscopy group (n = 176) | Fluoroless group (n = 147) | P value |
|---|---|---|---|
| Redo AF case | 57 (32.4) | 59 (40.1) | 0.15 |
| PVI only | 109 (61.9) | 65 (44.2) | 0.001 |
| PVI + CTI | 35 (19.9) | 36 (24.5) | 0.32 |
| PVI + lines | 10 (5.7) | 17 (11.6) | 0.06 |
| PVI + CTI + lines | 22 (12.5) | 29 (19.7) | 0.08 |
| Mapping system | |||
| EnSite | 116 (65.9) | 60 (40.8) | < 0.001 |
| CARTO | 59 (33.5) | 85 (57.8) | |
| Rhythmia | 1 (0.6) | 2 (1.4) | |
| High-power short-duration ablation | 23 (13.1) | 36 (24.7) | 0.008 |
| Presence of a trainee | 42 (23.9) | 45 (30.6) | 0.17 |
Data presented as n (%). Statistical comparisons made using Pearson’s χ2 test.
Lines consisted of left atrial ablation lines and/or superior vena cava isolation.
AF, atrial fibrillation; CTI, cavotricuspid isthmus ablation; PVI, pulmonary vein isolation.