Settings for Acquisition and Data Processing for the 3 Methods
| Method | |||
| Setting | A | B | C |
| Radiopharmacy | 99mTc-sestamibi | 99mTc-sestamibi | 99mTc-UltraTag (Mallinckrodt Inc.) |
| Dose (±2 SDs) | 650 ± 50 MBq | 650 ± 50 MBq | 740 ± 45 MBq |
| Collimator | SMARTZOOM | SMARTZOOM | LEHR |
| Bins per cardiac cycle | 8 | 8 | 16 |
| Acquisition time | 5 min | 5 min | 20 min |
| Matrix | 128 × 128 | 128 × 128 | 64 × 64 |
| Pixel size | 4.8 mm | 4.8 mm | 5.4 mm |
| Zoom | 1 | 1 | 1.78 |
| Camera position | 2 detectors, 208°, 17 views | 2 detectors, 208°, 17 views | Single-head 45° left anterior oblique/best septal separation between ventricles by adjustment |
| Processing software | 4DMSPECT | 4DMSPECT | Siemens esoft (MIApps) |
| Reconstruction algorithm | Iterative Flash3D (15i2s) | Iterative Flash3D (12i1s) | — |
| Filtering | Gaussian 10 mm | Gaussian 10 mm | Low-pass filtering |