Table 2 Procedural characteristics of the included patients undergoing ICE-guided or TF-guided RFCA for AF.
Study group | ICE-guided RFCA group | TF-guided RFCA group | P-value | ||
|---|---|---|---|---|---|
Sample size | N = 76 | N = 151 | |||
Variables | Mean/% | SD | Mean/% | SD | |
Interventional cardiologist | <0.001 | ||||
FH (performing 10 ICE-guided RFCA per month) | 50.0% | 22.5% | < 0.001 | ||
PXB (performing 6 ICE-guided RFCA per month) | 44.7% | 40.4% | 0.532 | ||
ZR (performing 3 ICE-guided RFCA per month) | 3.9% | 31.8% | < 0.001 | ||
Others | 1.3% | 5.3% | 0.275 | ||
Ablation approach | |||||
PVI only | 65.8% | 70.2% | 0.499 | ||
PVI plus | 34.2% | 29.8% | 0.499 | ||
BOX | 13.2% | 13.2% | 0.985 | ||
Roof line | 13.2% | 6.6% | 0.101 | ||
Floor line | 13.2% | 4.0% | 0.011 | ||
Atrial complex fragmentation potential ablation | 0.0% | 1.3% | 0.553 | ||
Mitral isthmus | 2.6% | 2.6% | 1.000 | ||
Tricuspid isthmus | 1.3% | 2.0% | 1.000 | ||
Superior vena cava | 2.6% | 6.0% | 0.439 | ||
Foci/non-pulmonary vein triggering focus | 2.6% | 0.7% | 0.542 | ||
Coronary sinus ostium | 0.0% | 0.7% | 1.000 | ||
Coronary sinus inner and outer membrane | 0.0% | 0.7% | 1.000 | ||
Type of ablation catheter | |||||
ST catheter | 90.8% | 67.5% | < 0.001 | ||
STSF catheter | 9.2% | 32.5% | < 0.001 | ||
