Table 3 Healthy subjects: Global and regional peak torsion (CL shear angle (°)) and global time to peak torsion (ms)*
From: Regional assessment of left ventricular torsion by CMR tagging
BASE-APEX | BASE-MID | MID-APEX | |||||||
|---|---|---|---|---|---|---|---|---|---|
Segments | Total | Endo | Epi | Total | Endo | Epi | Total | Endo | Epi |
IS | 6.7 ± 3.3 | 6.6 ± 3.2 | 6.9 ± 3.6 | 8.6 ± 4.3 | 8.5 ± 4.1 | 9.0 ± 4.5 | 8.8 ± 4.5 | 8.6 ± 4.3 | 9.3 ± 4.9 |
AS | 8.3 ± 3.2 | 8.2 ± 3.1 | 8.3 ± 3.3 | 10.4 ± 3.6 | 10.0 ± 3.6 | 10.7 ± 4.1 | 10.1 ± 5.8 | 10.0 ± 5.5 | 10.0 ± 5.8 |
AN | 11.7 ± 4.7 | 11.4 ± 4.6 | 12.2 ± 4.7 | 13.3 ± 6.1 | 13.3 ± 6.0 | 13.3 ± 6.0 | 13.5 ± 5.5 | 13.1 ± 5.5 | 14.4 ± 5.8 |
AL | 12.4 ± 3.9 | 11.9 ± 3.7 | 13.1 ± 4.0 | 14.8 ± 4.4 | 14.6 ± 4.3 | 15.4 ± 4.6 | 13.5 ± 5.6 | 12.8 ± 5.3 | 14.5 ± 6.1 |
IL | 6.5 ± 2.5 | 5.9 ± 2.5 | 6.8 ± 2.5 | 9.3 ± 4.2 | 9.2 ± 4.2 | 9.8 ± 4.4 | 8.0 ± 4.5 | 7.1 ± 4.4 | 8.4 ± 4.5 |
IN | 5.0 ± 3.3 | 5.0 ± 3.4 | 5.0 ± 3.2 | 7.7 ± 4.2 | 7.9 ± 4.1 | 7.9 ± 4.4 | 6.7 ± 3.6 | 6.5 ± 3.5 | 7.0 ± 3.8 |
Global | 7.7 ± 1.4 | 7.5 ± 1.3 | 8.0 ± 1.5 | 8.2 ± 2.3 | 8.2 ± 2.2 | 8.3 ± 2.3 | 8.1 ± 1.1 | 7.6 ± 1.1 | 8.5 ± 1.3 |
Global timing | 366 ± 24 | 366 ± 32 | 367 ± 25 | 357 ± 33 | 356 ± 32 | 355 ± 33 | 370 ± 28 | 369 ± 26 | 367 ± 25 |