Table II.
Procedural data and follow-up results
| Parameter | Contact force (n = 31) |
Standard mapping (n = 112) |
Value of p |
|---|---|---|---|
| Ablation time, mean ± SD [min] | 38.6 ±12.7 | 45.2 ±16.5 | 0.13 |
| Procedure duration, mean ± SD [min] | 128.4 ±29 | 157.7 ±30.8 | 0.001* |
| Total energy delivered, mean ± SD [Ws] | 71964.4 ±17894.8 | 78579.3 ±45534 | 0.9 |
| Average force, mean ± SD [g] | 26.8 ±10.7 | – | – |
| Force-time integral, mean ± SD [gs] | 1449.4 ±415 | – | – |
| Fluoroscopy time, mean ± SD [min] | 39.7 ±11.3 | 43.8 ±14.5 | 0.5 |
| Major complications, n (%) | – | 1 (0.9) | – |
| Minor complications, n (%) | 1 (3.2) | 3 (2.7) | 0.75 |
| Patients with AF recurrence within 12 months, n (%) | 5 (16.1) | 41 (36.6) | 0.031* |
Fluoroscopy time – total duration of patient/physician radiation exposure, PV – pulmonary vein, PVI – pulmonary vein isolation;
*
Statistically significant