Table 2.
Charge density map data pre- and post-pulmonary vein isolation.
| Baseline (N = 66) |
Post-PVI (N = 66) |
Baseline + Post-PVI (N = 132) |
p Value | |
|---|---|---|---|---|
| Global AFCL mean (ms) | 184.4 ± 14.4 | 198.0 ± 17.3 | 191.2 ± 17.2 | <0.001 * |
| Regional AFCL mean (ms) | 184.5 ± 14.8 | 198.0 ± 18.7 | 191.2 ± 18.1 | <0.001 * |
| Global intra-chamber coherence mean | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.073 |
| Regional intra-chamber coherence mean | 0.4 ± 0.1 | 0.4 ± 0.2 | 0.4 ± 0.1 | 0.095 |
| Global recurrence mean | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.078 |
| Regional recurrence mean | 0.6 ± 0.1 | 0.6 ± 0.1 | 0.6 ± 0.1 | 0.078 |
| LIA number (N) | 43.5 ± 32.4 | 42.9 ± 35.4 | 43.2 ± 33.8 | 0.92 |
| LRA number (N) | 9.8 ± 9.8 | 8.7 ± 11.4 | 9.3 ± 10.6 | 0.53 |
| Focal number (N) | 16.3 ± 12.6 | 15.6 ± 11.5 | 15.9 ± 12.1 | 0.74 |
| LIA perc time (N) | 12.5 ± 10.0 | 11.9 ± 10.5 | 12.2 ± 10.2 | 0.77 |
| LRA perc time (N) | 5.4 ± 5.7 | 4.8 ± 6.3 | 5.1 ± 6.0 | 0.58 |
| Focal perc time (N) | 2.0 ± 1.6 | 1.9 ± 1.4 | 2.0 ± 1.5 | 0.67 |
AFCL: atrial fibrillation cycle length; FCA: focal centrifugal activation; LIA: localized irregular activation; LRA: localized rotational activation; PVI: pulmonary vein isolation. * significant p Value.