Table 1 Acquisition parameters for the volunteer group as well as for both patients
From: Volumetric motion quantification by 3D tissue phase mapped CMR
Parameter | Volunteers | DCM patient | LBBB patient |
|---|---|---|---|
FOV (M × P × S) [mm3] | 380 × 380 × 63 | 320 × 320 × 90 | 330 × 330 × 81 |
Acq. Matrix (M × P) | 128 × 124 | 112 × 100 | 112 × 100 |
Flip angle [°] | 15 | 15 | 15 |
TR[ms]/TE[ms] | 7.1 / 4.9 | 7.1 / 4.6 | 7.1 / 4.6 |
k-lines per segment | 3 | 3 | 3 |
Phase interval [ms] | 37.3 | 33.3 | 33.3 |
nph | 25 | 25 | 25 |
nsl | 21 | 30 | 27 |
Resolution [mm3] | 3 × 3 × 3 | 3 × 3 × 3 | 3 × 3 × 3 |
VENC [cm/s] | 20 | 30 | 30 |
Navigator duration [ms] | 15.5 | 15.5 | 15.5 |
Navigator feedback time [ms] | 5 | 5 | 5 |
Navigator acceptance window [mm] | 5 | 5 | 5 |
SENSE factor | 4 | 4 | 4 |
Sub-volumes | 3 | 3 | 3 |
Nominal scan duration [min:s] (assuming a navigator efficiency of 100%) | 15:30 | 18:06 | 16:18 |
Actual acquisition duration [min:s] | 33.55 ± 6:56 | 44:08 | 39:45 |
Navigator efficiency [%] | 47.25 ± 8.59 | 41 | 41 |