Table 2.
Total microembolic signal (MES) burden, MES differentiation, and thromboembolic shower (TES) burden are represented as median and mean values.
| Pulmonary vein ablation catheter (PVAC) | IRF | Cryoballoon (CB) | PVAC vs. IRF | PVAC vs. CB | IRF vs. CB | |
|---|---|---|---|---|---|---|
| Pts. (n) | 23 | 14 | 5 | – | – | – |
| MES total median/mean ± SD | 602/1,685 ± 2,255 | 2,009/2,336 ± 1,654 | 545/593 ± 231 | p = 0.08 | p = 0.81 | p = 0.007 |
| MES solid median/mean ± SD | 147/330 ± 593 | 293/628 ± 770 | 82/135 ± 137 | p = 0.08 | p = 0.45 | p = 0.13 |
| MES gaseous median/mean ± SD | 208/360 ± 511 | 187/327 ± 386 | 119/106 ± 67 | p = 0.84 | p = 0.13 | p = 0.20 |
| MES equivocal median/mean ± SD | 74/994 ± 1,448 | 1,439/1,380 ± 799 | 345/351 ± 213 | p = 0.12 | p = 0.71 | p = 0.01 |
| Pts. with TES (n) | 10 | 2 | 0 | – | – | – |
| TES median/mean ± SD | 0/1.5 ± 2 | 0/0.4 ± 1.3 | 0/0 | p = 0.04 | p = 0.08 | p = 0.61 |
P values are based on the non-parametric Wilcoxon rank sum test for pairwise comparison between the ablation groups. P values are calculated by pairwise comparison between the ablation groups.
Pts., patients.