| |
Healthy volunteers(n = 10)
|
LBBB(n = 10)
|
HCM (n = 10)
|
|---|
| |
CMR-FT
mid
(ms)
|
Tissue tagging (ms)
|
p-value
|
CMR-FT
mid
(ms)
|
Tissue tagging (ms)
|
p-value
|
CMR-FT
mid
(ms)
|
Tissue tagging (ms)
|
p-value
|
|---|
|
1. Basal anterior
|
324 ± 94
|
301 ± 38
|
0.80
|
411 ± 157
|
350 ± 113
|
0.72
|
377 ± 122
|
373 ± 75
|
0.77
|
|
2. Basal anteroseptal
|
324 ± 125
|
307 ± 57
|
0.72
|
430 ± 179
|
226 ± 194
|
0.04
|
457 ± 219
|
402 ± 74
|
0.51
|
|
3. Basal septal
|
288 ± 27
|
311 ± 36
|
0.20
|
408 ± 250
|
280 ± 186
|
0.13
|
355 ± 157
|
344 ± 58
|
0.80
|
|
4. Basal inferior
|
313 ± 93
|
354 ± 45
|
0.33
|
536 ± 163
|
429 ± 105
|
0.09
|
332 ± 68
|
377 ± 130
|
0.45
|
|
5. Basal posterior
|
331 ± 29
|
403 ± 40
|
<0.01
|
476 ± 138
|
530 ± 186
|
0.04
|
462 ± 151
|
358 ± 110
|
0.01
|
|
6. Basal lateral
|
321 ± 48
|
332 ± 54
|
0.80
|
399 ± 44
|
443 ± 66
|
0.06
|
420 ± 97
|
400 ± 69
|
0.21
|
|
7. Mid anterior
|
317 ± 43
|
305 ± 29
|
0.29
|
458 ± 192
|
393 ± 155
|
0.65
|
288 ± 169
|
493 ± 77
|
0.03
|
|
8. Mid anteroseptal
|
327 ± 144
|
314 ± 53
|
0.65
|
552 ± 232
|
147 ± 153
|
<0.01
|
442 ± 196
|
418 ± 90
|
0.68
|
|
9. Mid septal
|
355 ± 55
|
338 ± 59
|
0.72
|
364 ± 233
|
358 ± 251
|
0.65
|
384 ± 181
|
404 ± 120
|
0.95
|
|
10. Mid inferior
|
339 ± 54
|
365 ± 60
|
0.33
|
418 ± 233
|
448 ± 115
|
0.96
|
402 ± 177
|
398 ± 92
|
0.39
|
|
11. Mid posterior
|
323 ± 49
|
392 ± 36
|
<0.01
|
511 ± 139
|
468 ± 85
|
0.65
|
399 ± 57
|
403 ± 63
|
0.59
|
|
12. Mid lateral
|
328 ± 43
|
351 ± 42
|
0.33
|
461 ± 82
|
430 ± 80
|
0.72
|
420 ± 99
|
417 ± 106
|
0.95
|
|
13. Apical anterior
|
367 ± 63
|
379 ± 61
|
0.72
|
560 ± 171
|
384 ± 163
|
0.05
|
339 ± 138
|
483 ± 99
|
0.02
|
|
14. Apical septal
|
352 ± 147
|
408 ± 48
|
0.14
|
354 ± 201
|
330 ± 147
|
0.88
|
365 ± 110
|
414 ± 150
|
0.33
|
|
15. Apical inferior
|
327 ± 41
|
402 ± 66
|
<0.01
|
454 ± 117
|
380 ± 92
|
0.07
|
340 ± 82
|
463 ± 119
|
0.02
|
|
16. Apical lateral
|
350 ± 45
|
405 ± 45
|
0.04
|
476 ± 114
|
428 ± 85
|
0.20
|
420 ± 101
|
425 ± 156
|
1.00
|
|
Mean
|
330 ± 27
|
354 ± 34
|
0.02
|
454 ± 60
|
376 ± 56
|
<0.01
|
384 ± 45
|
404 ± 54
|
0.17
|
- Time to peak systolic circumferential strain (T2P-SCS), left bundle branch block patients (LBBB), hypertrophic cardiomyopathy patients (HCM), cardiovascular magnetic resonance myocardial feature-tracking with mid-wall contours (CMR-FTmid).
