Values of hemodynamic and geometric variables in stable, unstable, and ruptured aneurysmsa
| Variable | Unruptured |
Ruptured | ||
|---|---|---|---|---|
| Stable | Unstable |
|||
| Symptoms | Growing | |||
| WSSmin | 0.8 ± 1.9 | 0.3 ± 0.5 | 1.0 ± 4.5 | 0.4 ± 1.3 |
| WSSmax | 223.7 ± 187.5 | 235.0 ± 101.8 | 253.7 ± 170.2 | 377.5 ± 948.8 |
| WSSmean | 21.4 ± 18.5 | 16.6 ± 13.8 | 22.0 ± 22.1 | 23.2 ± 28.9 |
| WSSnorm | 0.6 ± 0.3 | 0.4 ± 0.3 | 0.5 ± 0.3 | 0.4 ± 0.3 |
| SCI | 3.78 ± 4.76 | 8.52 ± 9.44 | 5.52 ± 4.53 | 6.23 ± 6.88 |
| LSA | 45.8 ± 33.6 | 62.9 ± 29.7 | 58.8 ± 30.9 | 51.6 ± 33.0 |
| OSImax | 0.259 ± 0.137 | 0.358 ± 0.089 | 0.303 ± 0.125 | 0.317 ± 0.114 |
| OSImean | 0.012 ± 0.011 | 0.014 ± 0.008 | 0.017 ± 0.016 | 0.017 ± 0.017 |
| Q | 0.746 ± 0.805 | 1.360 ± 1.368 | 1.081 ± 0.957 | 0.730 ± 0.807 |
| ICI | 0.716 ± 0.763 | 1.193 ± 1.309 | 1.088 ± 0.941 | 0.791 ± 0.764 |
| Vmax | 62.9 ± 31.8 | 70.8 ± 19.6 | 80.4 ± 50.0 | 88.8 ± 62.6 |
| VE | 9.7 ± 6.4 | 8.7 ± 5.7 | 10.1 ± 6.1 | 9.8 ± 8.1 |
| SR | 226.2 ± 176.1 | 155.0 ± 131.4 | 202.9 ± 221.2 | 231.5 ± 260.7 |
| VO | 307.7 ± 241.1 | 218.0 ± 183.7 | 278.9 ± 279.0 | 317.4 ± 344.4 |
| CORELEN | 1.753 ± 3.313 | 2.726 ± 1.827 | 2.504 ± 3.043 | 2.378 ± 2.593 |
| PODENT | 0.176 ± 0.125 | 0.227 ± 0.115 | 0.228 ± 0.155 | 0.207 ± 0.137 |
| Asize | 0.687 ± 0.524 | 1.109 ± 0.603 | 0.933 ± 0.550 | 0.770 ± 0.398 |
| Nsize | 0.482 ± 0.309 | 0.690 ± 0.461 | 0.577 ± 0.311 | 0.429 ± 0.172 |
| SizeR | 1.834 ± 1.395 | 2.440 ± 1.127 | 2.533 ± 1.487 | 2.492 ± 1.373 |
| AR | 0.879 ± 0.607 | 1.308 ± 0.828 | 1.200 ± 0.831 | 1.304 ± 0.691 |
| VOR | 0.894 ± 3.355 | 1.220 ± 1.310 | 1.460 ± 2.906 | 0.919 ± 1.559 |
| EI | 0.273 ± 0.036 | 0.268 ± 0.021 | 0.263 ± 0.026 | 0.273 ± 0.025 |
| NSI | 0.202 ± 0.051 | 0.229 ± 0.080 | 0.211 ± 0.041 | 0.246 ± 0.054 |
| BF | 1.167 ± 0.465 | 1.414 ± 0.478 | 1.377 ± 0.574 | 1.322 ± 0.441 |
| BL | 0.290 ± 0.161 | 0.431 ± 0.170 | 0.361 ± 0.144 | 0.355 ± 0.163 |
| CR | 0.762 ± 0.144 | 0.793 ± 0.083 | 0.816 ± 0.118 | 0.785 ± 0.100 |
| CP | 0.210 ± 0.161 | 0.069 ± 0.170 | 0.139 ± 0.144 | 0.145 ± 0.163 |
| UI | 0.238 ± 0.144 | 0.207 ± 0.083 | 0.184 ± 0.118 | 0.215 ± 0.100 |
| GAA | 16.339 ± 17.905 | 5.861 ± 4.444 | 7.893 ± 8.034 | 12.763 ± 13.717 |
Note:—Q indicates aneurysm flow rate; ICI, inflow concentration index; VE, mean aneurysm velocity; SR, mean aneurysm shear rate; VO, mean aneurysm velocity; PODENT, POD entropy, flow instability; POD, proper orthogonal decomposition; Nsize, neck maximum size; EI, ellipticity index; BF, bottleneck factor; CR, convexity ratio; UI, undulation index; WSSnorm, normalized wall shear stress.
a
Values are given as mean ± SD.