|
With |
Without |
|
|
n=48 |
n=742 |
p |
Local impedance |
|
|
|
Pre-ablation (absolute value), ohm |
106 ± 13 |
116 ± 17 |
<0.001 |
Pre-ablation (difference from blood pool), ohm |
17 ± 12 |
22 ± 16 |
0.023 |
Post-ablation (absolute value) |
94 ± 12 |
93 ± 12 |
0.61 |
Post-ablation (difference from blood value) |
5 ± 10 |
0 ± 11 |
<0.001 |
Change |
12 ± 7 |
23 ± 12 |
<0.001 |
Generator impedance |
|
|
|
Pre-ablation |
104 ± 10 |
108 ± 15 |
0.03 |
Post-ablation |
89 ± 8 |
93 ± 11 |
0.047 |
Change |
12 ± 7 |
14 ± 10 |
0.10 |