Table 4 Extended MRI Scan Protocol
Extended | ||
|---|---|---|
Sequence | Approximate Imaging Time (min) | Outcome Measure |
Cardiac | ||
Cine SSFP (3 long axis views and 10–15 short axis views) | 12 | LV global (EF) and regional wall motion abnormalities function |
LV mass index | ||
LV end-systolic volume index | ||
LV mass-to-volume ratio | ||
LA size and function | ||
Circumferential strain | ||
RV volume and global function | ||
Phase-contrast cine | 4 | Aortic elasticity |
LGE | 12 | Myocardial fibrosis |
T1 Mapping | 10 | Diffuse fibrosis |
T2 star-weighted sensitive sequence | 10 | Microvascular function |
Brain | ||
3D T1w MPRAGE | 8 | Brain Volume |
PD/T2 | 4 | Covert stroke and white matter lesion burden |
T2 star-weighted gradient echo sequence | 4 | Presence of microbleeds |
2D resting state fMRI | 4 | Functional connectivity |
3D arterial spin labeling (ASL) | 7 | Cerebral blood flow |
2D diffusion tensor imaging (DTI) | 5 | White matter connectivity |
Abdomen | ||
T1w TSE abdominal adipose tissue sequence | 2 | Visceral fat area |
Liver 2D multi-echo gradient-echo sequence | 1 | Liver fat % |
Cerebrovascular | ||
3D T1w MPRAGE | 8 | Plaque volume and intraplaque hemorrhage detection |
TOF | 6 | Plaque volume and intraplaque hemorrhage detection |
3D T1w MPRAGE + contrast | 5 | Lipid core, calcification inflammation/angiogenesis |
Additional time for positioning | ||
Coil Positioning | 6 | |
Biobreak | 10 | |
Total time | 118 | |