Aneurysmal pressure, flow velocity, and hemodynamics
| Parameter | 3D-DSA (Mean) | 4D-DSA (Mean) | r |
|---|---|---|---|
| Intra-aneurysmal pressuresystole (Pa) | 502.8 ± 242.24 | 492.2 ± 300.07 | 0.903 (P < .001) |
| Intra-aneurysmal pressurediastole (Pa) | 189.3 ± 99.13 | 181.4 ± 114.4 | 0.842 (P = .002) |
| Flow velocitysystole (mm/s) | 80.8 ± 50.94 | 74.89 ± 48.02 | 0.930 (P < .001) |
| Flow velocitydiastole (mm/s) | 31.61 ± 22.2 | 29.9 ± 21.45 | 0.952 (P < .001) |
| AWSSsystole (Pa) | 0.933 ± 1.02 | 0.835 ± 0.853 | 0.936 (P < .001) |
| AWSSdiastole (Pa) | 0.26 ± 0.28 | 0.24 ± 0.25 | 0.918 (P < .001) |
| MWSS systole (Pa) | 5.95 ± 1.83 | 5.63 ± 1.64 | 0.927 (P < .001) |
| MWSS diastole (Pa) | 1.84 ± 0.73 | 1.78 ± 0.69 | 0.879 (P = .001) |
| IZ (mm2) | 12.4 ± 14.2 | 8.9 ± 6.81 | 0.957 (P < .001) |
| LSZ (mm2) | 254.6 ± 203.55 | 263.9 ± 199.08 | 1 (P < .01) |