Table VI.
Computed SAR values from different sources (W/kg) given 1 μT field (at the coil isocenter).
Ref # | Method | Model | Coil landmark | Whole-body SAR Eq. (2) | Max. non-averaged local SAR Eq.(1) | Max. 1g local SAR Eq. (3) | Max. 10g local SAR Eq. (3) |
---|---|---|---|---|---|---|---|
Ref. [189] | FDTD 5 mm voxel | Voxel Vis. Human Male 122kg [189], 128 MHz | Abdominal | 0.58 | 22.78 | 11.90 | 8.79 |
Ref. [189] | FDTD 3.5 mm voxel | Voxel Vis. Human Male 122 kg [189], 128 MHz | Abdominal | 0.57 | 24.91 | 11.63 | 6.98 |
Ref. [189] | FDTD 2.5 mm voxel | Voxel Vis. Human Male 122 kg [189], 128 MHz | Abdominal | 0.54 | 35.68 | 13.76 | 8.88 |
Ref. [193] | FDTD 3 mm voxel | Voxel Vis. Human Female 128 MHz | Heart | Normalized to 0.15 (present report) | NA | 2.46-4.11 Varies with coil type |
1.23-2.03 Varies with coil type |
Ref. [193] | FDTD 3 mm voxel | Voxel Vis. Human Male 128 MHz | Pelvic | Normalized to 0.54 (Ref. [189]) | NA | 8.91-14.8 Varies with coil type |
4.21-6.86 Varies with coil type |
Ref. [194] | FDTD Voxel size unknown | Voxel Vis. Human Female, 64 MHz | Heart | Normalized to 0.15 (author’s study) | NA | NA | 3.35 |
Ref. [195] | FDTD Voxel size 2mm | Voxel Nagaoka Female 64 MHz | Abdominal | 0.13 | NA | 3.2 | 2.1 |
Ref. [195] | FDTD Voxel size 2mm | Voxel Vis. Human Male 122 kg 64 MHz | Abdominal | 0.18 | NA | 3.6 | 2.4 |
Ref. [195] | FDTD Voxel size 2mm | Voxel Nagaoka Female 128 MHz | Abdominal | 0.24 | NA | 5.3 | 3.9 |
Ref. [195] | FDTD Voxel size 2mm | Voxel Vis. Human Male 122 kg 128 MHz | Abdominal | 0.31 | NA | 5.2 | 3.9 |
Authors’ study | FEM 8 adaptive passes (ANSYS) | CAD VHP-Female 3.0 [55],[56] 88 kg, 64 MHz | Shoulder/heart (top of vert. T7) | 0.15 | 12.0 | 3.05 | 1.37 |