All patients (n = 48) | CRT Responders (n = 34, 71%) | CRT Nonresponders (n = 14, 29%) | p Value | |
---|---|---|---|---|
Atrioventricular dyssynchrony, n (%) | 23 (48%) | 16 (47%) | 7 (50%) | 0.853 |
IVMD >40 ms, n (%) | 38 (79%) | 31 (91%) | 7 (50%) | 0.003* |
LVPEI (ms) | 171 ± 27 | 175 ± 27 | 164 ± 28 | 0.189 |
DTI septo-lateral delay (ms) | 110 [74;161] | 114 [74;189] | 93 [72;117] | 0.162 |
Septal Flash, n (%) | 30 (63%) | 27 (79%) | 3 (21%) | 0.001* |
Mean strain peak (%) | −10.2 [−11.6;-9.2] | −10.6 [−11.7;-9.6] | −9.7 [−11.3;-8.4] | 0.302 |
SDtpeak (ms) | 104 [80;123] | 101 [80;123] | 107 [66;121] | 0.626 |
Mean IL,peak (%.s-1) | 1.68 ± 0.59 | 1.80 ± 0.62 | 1.39 ± 0.41 | 0.029* |
Mean I^avc (%.s−1) | 0.62 [0.34;0.90] | 0.76 [0.44;0.92] | 0.45 [0.24;0.77] | 0.129 |
SDIL,peak (%.s−1) | 1.09 [0.82;1.32] | 1.18 [0.96;1.35] | 0.83 [0.55;0.99] | 0.007* |
SDIL,avc (%.s-1) | 0.85 ± 0.37 | 0.90 ± 0.35 | 0.72 ± 0.39 | 0.125 |
DiffInt (%.s-1) | 0.57 ± 0.5 | 0.61 ± 0.47 | 0.47 ± 0.58 | 0.360 |
MSDI (ms) | 0.35 ± 0.16 | 0.37 ± 0.16 | 0.29 ± 0.14 | 0.106 |