Baseline clinical characters in the recurrence group and non-recurrence group
| Non-recurrence (N=44) | recurrence (N=19) | Univariate | Multivariate | |||
| P | 95% CI | P | 95% CI | |||
| Age (ys) | 57.39±9.92 | 59.26±10.47 | 0.49 | 0.97, 1.08 | – | – |
| AF type, persistent AF no. (%) | 23 (53%) | 10 (50%) | 0.97 | 0.34, 2.98 | – | – |
| AF duration (ys) | 5.84±5.43 | 8.08±7.66 | 0.20 | 0.99, 1.05 | – | – |
| LA volume (mL) | 57.62±25.39 | 81.20±40.88 | 0.02 | 1.01, 1.05 | 0.30 | 0.99, 1.05 |
| LVEDP (mm Hg) | 10.25±14.54 | 11.25±5.75 | 0.81 | 0.96, 1.06 | – | – |
| dP/dt max (mm Hg/s) | 1294.02±337.13 | 1211.77±225.36 | 0.47 | 0.99, 1.02 | – | – |
| Mean LAPmean (mm Hg) | 12.19±4.57 | 16.46±4.14 | 0.01 | 1.06, 1.50 | 0.02 | 1.04, 1.54 |
Pulmonary vein isolation is an effective therapy for curing symptomatic atrial fibrillation (AF) but the success rate ranged wide. This study aimed to investigate the effect of LAP on AF recurrence.