Values of hemodynamic and geometric variables in stable, unstable, and ruptured aneurysmsa

VariableUnrupturedRuptured
StableUnstable
SymptomsGrowing
WSSmin0.8 ± 1.90.3 ± 0.51.0 ± 4.50.4 ± 1.3
WSSmax223.7 ± 187.5235.0 ± 101.8253.7 ± 170.2377.5 ± 948.8
WSSmean21.4 ± 18.516.6 ± 13.822.0 ± 22.123.2 ± 28.9
WSSnorm0.6 ± 0.30.4 ± 0.30.5 ± 0.30.4 ± 0.3
SCI3.78 ± 4.768.52 ± 9.445.52 ± 4.536.23 ± 6.88
LSA45.8 ± 33.662.9 ± 29.758.8 ± 30.951.6 ± 33.0
OSImax0.259 ± 0.1370.358 ± 0.0890.303 ± 0.1250.317 ± 0.114
OSImean0.012 ± 0.0110.014 ± 0.0080.017 ± 0.0160.017 ± 0.017
Q0.746 ± 0.8051.360 ± 1.3681.081 ± 0.9570.730 ± 0.807
ICI0.716 ± 0.7631.193 ± 1.3091.088 ± 0.9410.791 ± 0.764
Vmax62.9 ± 31.870.8 ± 19.680.4 ± 50.088.8 ± 62.6
VE9.7 ± 6.48.7 ± 5.710.1 ± 6.19.8 ± 8.1
SR226.2 ± 176.1155.0 ± 131.4202.9 ± 221.2231.5 ± 260.7
VO307.7 ± 241.1218.0 ± 183.7278.9 ± 279.0317.4 ± 344.4
CORELEN1.753 ± 3.3132.726 ± 1.8272.504 ± 3.0432.378 ± 2.593
PODENT0.176 ± 0.1250.227 ± 0.1150.228 ± 0.1550.207 ± 0.137
Asize0.687 ± 0.5241.109 ± 0.6030.933 ± 0.5500.770 ± 0.398
Nsize0.482 ± 0.3090.690 ± 0.4610.577 ± 0.3110.429 ± 0.172
SizeR1.834 ± 1.3952.440 ± 1.1272.533 ± 1.4872.492 ± 1.373
AR0.879 ± 0.6071.308 ± 0.8281.200 ± 0.8311.304 ± 0.691
VOR0.894 ± 3.3551.220 ± 1.3101.460 ± 2.9060.919 ± 1.559
EI0.273 ± 0.0360.268 ± 0.0210.263 ± 0.0260.273 ± 0.025
NSI0.202 ± 0.0510.229 ± 0.0800.211 ± 0.0410.246 ± 0.054
BF1.167 ± 0.4651.414 ± 0.4781.377 ± 0.5741.322 ± 0.441
BL0.290 ± 0.1610.431 ± 0.1700.361 ± 0.1440.355 ± 0.163
CR0.762 ± 0.1440.793 ± 0.0830.816 ± 0.1180.785 ± 0.100
CP0.210 ± 0.1610.069 ± 0.1700.139 ± 0.1440.145 ± 0.163
UI0.238 ± 0.1440.207 ± 0.0830.184 ± 0.1180.215 ± 0.100
GAA16.339 ± 17.9055.861 ± 4.4447.893 ± 8.03412.763 ± 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.