Table 3 Comparison of device parameters before, after CMR and at 1-year follow-up
Before CMR | After CMR | At 1-y follow-up | P value | |
|---|---|---|---|---|
P-wave amplitude (mV) | 4.6 ± 4.4 | 4.6 ± 4.4 | 3.3 ± 1.0 | 0.36 |
R-Wave amplitude (mV) | 11.8 ± 4.8 | 11.8 ± 4.8 | 11.3 ± 5.1 | 0.77 |
Atrial lead impedance (Ohm) | 483.3 ± 96.3 | 453.9 ± 99.05 | 484.1 ± 108.2 | 0.78 |
Ventricular lead impedance (Ohm) | 476.2 ± 106.2 | 497.3 ± 68.8 | 464 ± 76.2 | 0.75 |
Atrial PCT (V@0.4 ms) | 0.72 ± 0.29 | 0.75 ± 0.24 | 1.08 ± 1.24 | 0.22 |
Ventricular PCT (V@0.4 ms) | 0.80 ± 0.21 | 0.82 ± 0.20 | 0.84 ± 0.30 | 0.68 |