Table 3.
Effects of CRT on homogenization (SDot, SDpt) and redistribution (VMot, VMpt) of timing of deformation and on parameters expressing deformation heterogeneity (CVeS, VSR, ESR), synergy (ISF) and global function (GejS and ejection fraction).
| Parameter | pre-CRT (LBBB) | post-CRT (CRT) | p-value |
| SDot (ms) | 71.3 ± 9.0 | 56.9 ± 16.9 | 0.050 |
| SDpt (ms) | 135.2 ± 36.9 | 124.3 ± 28.5 | 0.100 |
| VMot (ms) | 143.4 ± 48.0 | 79.3 ± 40.5 | 0.049 |
| VMpt (ms) | 303.2 ± 109.9 | 125.4 ± 82.6 | 0.003 |
| CVeS (%) | -124.4 ± 60.5 | -173.3 ± 246.0 | 0.540 |
| VSR (%) | 46.3 ± 13.3 | 36.4 ± 22.1 | 0.124 |
| ESR (%) | 37.0 ± 15.0 | 19.2 ± 16.0 | 0.005 |
| ISF (%) | 47.9 ± 19.1 | 22.2 ± 9.6 | 0.006 |
| GejS (%) | -3.5 ± 1.4 | -6.0 ± 2.6 | 0.029 |
| Ejection fraction (%) | 18.8 ± 4.8 | 24.2 ± 6.0 | 0.018 |