From: Circumferential myocardial strain in cardiomyopathy with and without left bundle branch block
LBBB | Non-LBBB | Healthy | p(LBBB vs. non LBBB)* | p(LBBB vs. healthy)* | p(non-LBBB vs. healthy)* | ||
---|---|---|---|---|---|---|---|
Basal | IL-AS (ms) (range) | 391 ± 37 (325-425) | 136 ± 79 (0-325) | 45 ± 23 (0-75) | < 0.0001* | < 0.0001* | 0.001* |
AL-IS (ms) (range) | 284 ± 119 (150-425) | 106 ± 54 (0-200) | 68 ± 64 (0-175) | 0.001* | 0.0002* | 0.171 | |
A-I (ms) (range) | 122 ± 145 (0-400) | 83 ± 85 (0-225) | 68 ± 32 (0-100) | 0.478 | 0.272 | 0.594 | |
Mid | IL-AS (ms) (range) | 353 ± 79 (245-425) | 82 ± 44 (25-140) | 69 ± 39 (0-125) | < 0.0001* | < 0.0001* | 0.451 |
AL-IS (ms) (range) | 283 ± 108 (125-400) | 114 ± 37 (25-175) | 50 ± 46 (0-125) | 0.0002* | < 0.0001* | 0.002* | |
A-I (ms) (range) | 168 ± 164 (0-475) | 69 ± 46 (0-175) | 64 ± 55 (0-150) | 0.097 | 0.084 | 0.791 | |
Apical | IL-AS (ms) (range) | 278 ± 118 (140-425) | 61 ± 47 (0-325) | 38 ± 41 (0-75) | < 0.0001* | < 0.0001* | 0.260 |
AL-IS (ms) (range) | 224 ± 118 (150-425) | 70 ± 63 (0-200) | 54 ± 24 (0-175) | 0.002* | 0.001* | 0.437 | |
A-I (ms) (range) | 96 ± 110 (0-300) | 48 ± 43 (0-150) | 34 ± 20 (0-75) | 0.200 | 0.093 | 0.601 | |
T12SD (ms) | 164 ± 30 (131-207) | 70 ± 17 (51-103) | 65 ± 17 (44-97) | < 0.0001* | < 0.0001* | 0.467 |