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Table 5 Segmental T2P-SCS, mean ± standard deviation

From: Feature tracking compared with tissue tagging measurements of segmental strain by cardiovascular magnetic resonance

  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
  1. 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).