Table 5 Objective and subjective image quality per stent type
Average stent diameter (mm) | Noise aorta (HU) | Noise muscle (HU) | Signal-to-noise ratio Aorta | Signal-to-noise ratio Muscle | Contrast to noise | Overall subjective image quality | Image quality aorta Proximal score | Image quality aorta Central score | Image quality aorta Distal score | |
|---|---|---|---|---|---|---|---|---|---|---|
Paediatrics | ||||||||||
Cheatham Platinum (n = 18) | 14±3 | 30±13 | 24±10 | 13±7 | 3±2 | 12±6 | 2.0±0.8 | 2.3±0.7 | 2.0±0.7 | 2.4±0.8 |
Atrium Advanta V12 (n = 5) | 11±3 | 28±16 | 23±8 | 13±2 | 3±1 | 11±3 | 3.4±0.9 | 3.6±0.5 | 3.6±0.5 | 3.6±0.5 |
IntraStent (n = 4) | 12±4 | 44±21 | 26±9 | 12±7 | 3±1 | 13±6 | 3.5±0.6 | 4.0±0.0 | 4.0±0.0 | 4.0±0.0 |
AndraStent (n = 4) | 17±3 | 32±17 | 32±23 | 15±6 | 3±1 | 14±7 | 3.8±0.5 | 3.8±0.5 | 3.8±0.5 | 3.8±0.5 |
Formula (n = 3) | 6±1 | 30±17 | 15±5 | 10±2 | 6±1 | 9±1 | 2.3±1.2 | 3.7±0.6 | 3.7±0.6 | 3.7±0.6 |
Palmaz (n = 3) | 15±1 | 29±16 | 28±13 | 17±11 | 3±1 | 14±8 | 4.0±0.0 | 4.0±0.0 | 4.0±0.0 | 4.0±0.0 |
Adults | ||||||||||
Cheatham Platinum (n = 34) | 17±3 | 27±11 | 24±8 | 14±7 | 3±1 | 12±6 | 2.3±0.6 | 2.3±0.8 | 1.9±0.8 | 2.6±0.7 |