The influence of the pseudostenosis artifacts on the aneurysm depiction
| Contrast Material Concentration & System | Score for Image Quality | Mean ± SD | P* | |||
|---|---|---|---|---|---|---|
| 4 | 3 | 2 | 1 | |||
| 300 mg I/mL | ||||||
| FPD (n = 32) | 24 | 5 | 3 | 0 | 3.66 ± 0.65 | <.01 |
| I.I. (n = 32) | 20 | 2 | 5 | 5 | 3.16 ± 1.19 | |
| 150 mg I/mL | ||||||
| FPD (n = 32) | 28 | 2 | 2 | 0 | 3.81 ± 0.54 | <.01 |
| I.I. (n = 32) | 21 | 3 | 5 | 3 | 3.31 ± 1.06 | |
Note:—FPD indicates flat panel detector; I.I., image intensifier. Scale: 4, no influence; 3, minor distortion of aneurysm; 2, marked distortion of aneurysm; 1, severe distortion of aneurysm.
* Wilcoxon signed rank test.