MRI parameters | AL (n = 24) | ATTR (n = 20) | Healthy subjects (n = 40) | p* |
---|---|---|---|---|
LV EDV (mL/m2) | 74 ± 23 | 89 ± 27 | 77 ± 16 | 0.06£ |
LV ESV (mL/m2) | 35 ± 21 | 47 ± 28 | 27 ± 9 | 0.1$ |
IVS (mm) | 17 ± 3 | 18 ± 3 | 9 ± 2 | 0.3 |
LV mass (g/m2) | 97 ± 28 | 115 ± 31 | 63 ± 11 | 0.04$ |
LVEF (%) | 56 ± 18 | 50 ± 19 | 65 ± 8 | 0.3$ |
Native T1 (ms) | 1104 ± 54 | 1066 ± 42 | 975 ± 26 | 0.01$ |
Native T2 (ms) | 63.2 ± 4.7 | 56.2 ± 3.1 | 51.1 ± 3.1 | 0.0001$ |
T2 ratio | 1.31 ± 0.4 | 1.41 ± 0.2 | 1.44 ± 0.3 | 0.2 |
Post contrast T1 (ms) | 378 ± 73 | 363 ± 69 | NA | 0.9 |
ECV | 0.53 ± 0.17 | 0.46 ± 0.11 | NA | 0.2 |
ICV | 0.47 ± 0.17 | 0.54 ± 0.11 | NA | 0.2 |
T. amyloid vol. (mL/m2) | 57 ± 27 | 53 ± 22 | NA | 0.7 |
T. cell vol. (mL/m2) | 47 ± 15 | 61 ± 19 | NA | 0.04 |