Authors | Einsteinn JA et al. (2010) | Engbers EM et al. (2016) | Mylonas I et al. (2012) | IÅ¡gum I et al. (2018) | Bailey G et al. (2017) | ||
---|---|---|---|---|---|---|---|
Hybrid system | SPECT/CT | PET/CT | PET/CT | SPECT/CT | PET/CT | PET/CT | SPECT/CT |
CT slices | 16 | 16 | 64 | 64 | 64 | 64 | 16 |
ECG Gating - R-R interval (%) | no | no | no | no | no | no | no |
Purpose | AC- CCS | AC- CCS | AC- CCS | AC- CCS | AC- CCS | AC- CCS | AC- CCS |
Tube Potential / Current | 120 kVp / ∼50 mAs | 120 kVp / ∼9 mAs | 120 kVp / ∼11 mAs | 120 kVp / 20 mA | 140 kVp / 20 – 210 mA | 100 kVp / ∼11 mAs | 120 kVp / 30 mA |
Tube rotation (s) | nd | nd | nd | 0.8 | nd | nd | 0.4 |
Pitch | 0.94 | 2 | 1.5 | nd | 0.984 : 1 | 1.5 | 0.81 |
Slice thickness (mm) | 1.50 | 0.75 | 1.20 | 5.00 - 2.50 | 3.75 | 3.00 | 5.00 |
CCS threshold (HU) | visual analysis | nd | visual analysis | visual analysis | 50 manual | 130 | 130 |
Breath | free breathing | light end-expiratory breath hold | free breathing | end-expiratory breath-hold | mid-to-end expiration | end-expiratory breath-hold | nd |