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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).