Table 2.
CT and DSA acquisition parameters and radiation doses (frames per second (fps))
| Protocol | Author | |||
|---|---|---|---|---|
| Biswas et al. | Wang et al. | Willems et al. | Singh et al. | |
| 4D-CTA | ||||
| System | Aquilion One | Aquilion One | Aquilion One | Cine Dynamic Multi 4D |
| Coverage | 16 cm | 16 cm | 16 cm | 20 cm |
| Detector rows | 320 × 0.5 mm | 320 × 0.5 mm | 320 × 0.5 mm | 128 × 0.6 mm |
| Acquisition | Time density curve (TDC) from test injection | Not specified | Not specified | Not specified |
| Radiation dose | Mean dose, 6.6 mSv (range, 4–8.3 mSv) | ≤ 5.3 mSv | ≤ 5.3 mSv | Not specified |
| DSA | ||||
| System | Inova, GE healthcare | Infinix, Toshiba Medical Systems, and ADVANTX LC/LP (GE Medical Systems) | Infinix, Toshiba Medical Systems, and ADVANTX LC/LP (GE Medical Systems) | Allura XPer FB 20/10, Philips Medical Systems |
| Rate | 2.5 fps | 3 fps | 3 fps | 6 fps |
| Radiation dose | Mean dose, 4.2 mSv (2–10 mSv) | Not specified | Dose varied between 7.89 & 9.12 mSv | Not specified |