Table 2 Global rotational and electro-mechanical parameters of LV.
Parameter | Wringing rotation Group A | Rigid-body-type rotation Group B | p value |
|---|---|---|---|
LV peak torsion (°) | 6.2 ± 3.0 | 3.5 ± 2.2 | 0.02 |
LV mean torsion (°) | 4.3 ± 2.5 | 1.4 ± 1.6 | 0.002 |
LV rotation rate (°/s) | 29.7 ± 9.2 | 40.0 ± 12.3 | 0.07 |
Interventricular delay (ms) | 23 (10; 60) | 51 (0; 79) | 0.75 |
LV electrical activation time (ms) | 120 ± 261 | 110 ± 22 | 0.37 |
LV rotational electro-mechanical delay (ms) | 369 ± 59 | 366 ± 54 | 0.70 |
LV electrical cycle length (ms) | 943 ± 106 | 869 ± 128 | 0.20 |
LV mechanical cycle length (ms) | 950 ± 100 | 881 ± 123 | 0.22 |
Unipolar voltage (mV) | 7.86 ± 3.01 | 9.84 ± 4.21 | 0.004 |
Bipolar voltage (mV) | 1.55 ± 2.76 | 2.34 ± 2.49 | 0.007 |
LGE intensity (%) | 13.87 ± 17.21 | 11.19 ± 17.64 | 0.225 |
Total annotation points number, n | 272 ± 41 | 274 ± 50 | 0.93 |
