Table 3. MP imaging and reconstruction parameters.
MPI Lissajous measurement | TR (ms) | DF FoV (mm) | DF offset (mm)3 | NSA (n) | TA (min.) | |
Device Tracking | 21,5 | 37.3×37.3×18.6 | 0×0×0 | 4000 | 1:26 | |
Fiducial Positioning | 21,5 | 37.3×7.3×18.6 | 15×0×-10 | 1000 | 0:23 | |
Angioplasty | 21,5 | 37.3×37.3×18.6 | 0×0×0 | 20000 | 7:10 | |
System function | VS (mm) | FoV (mm) | Image size (n)3 | MPI tracer | ||
SFR | 2×2×1 | 50×50×25 | 25×25×25 | Resovist® | ||
SFL | 2×2×1 | 50×50×25 | 25×25×25 | magnetic lacquer | ||
Reconstruction during | SF | SNR (n) | NA (n) | Solver | I (n) | L |
Device Tracking | SFL | 5 | 25 | Kaczmarz | 5 | 0.001 |
Fiducial Positioning | SFR | 5 | 25 | Kaczmarz | 5 | 0.01 |
Angioplasty | SFR | 5 | 25 | Kaczmarz | 5 | 0.001 |
TR: repetition time; DF FoV: drive field field of view; DF offset: drive field offset; NSA: number of acquisitions, TA: total acquisition time; VS: voxel size; FoV: system function field of view; SF: reconstruction system function; SNR: signal-to-noise threshold for frequency selection (SF based); NA: number of averages; I: Iterations; L: normalized Tikhonov-regularization-parameter