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Table 2: Hemodynamic characteristics of the aneurysm models before and after rupture^{^a}
Pt Location Flow Complexity Flow Stability Inflow Concentration Flow Impingement Geometric Changes
Region Size
1 Basilar C-C U-U C-C D-D S-S None^{^b}
2 AcomA C-C U-U C-C D-B^{^c} S-S Aneurysm displacement (8.9 mm)
3 PcomA S-C^{^c} S-U^{^c} D-D N-N S-S Growth (79%); 1 new lobulation
4 MCA C-C U-U C-C ND-ND S-S Aneurysm displacement (5.8 mm)
5 MCA C-C S-S D-C^{^c} ND-ND S-S Growth (176%)
6 Basilar C-C U-U D-D D-D L-L None^{^b}
7 PcomA S-C^{^c} U-U C-D^{^c} N-NB^{^c} S-S Growth (832%); 1 new lobulation
8 Anterior choroidal C-C S-U^{^c} C-C NB-N^{^c} S-S Growth (70%)
9 Basilar S-C^{^c} S-U^{^c} C-C BD-BD L-L 1 New lobulation
Note:—AcomA indicates anterior communicating artery; PcomA, posterior communicating artery.
↵a Flow complexity was characterized as simple (S) or complex (C); flow stability, as stable (S) or unstable (U); inflow concentration as diffuse (D) or concentrated (C); region of flow impingement, as dome (D), body (B), or neck (N); and size of the impingement zone, as small (S) or large (L).
↵b Aneurysm displacement of ≤0.6 mm or not related to mass effect from hematoma; aneurysm growth of ≤40%.
↵c Changed after rupture.