Angular alteration before and after stenting and at latest follow-up and prestenting proximal vessel diameter (mean ± SEM)

Bifurcation Aneurysm LocationPrestenting Angle δPost-Stent-Coiling Angle δLatest Follow-Up Angle δ
AcomA104.4 ± 8.8°131.5 ± 5.3°a148.8 ± 7.7°b
MCA105.4 ± 6.4°116.8 ± 6.6°c140.4 ± 6.5°b
BA102.2 ± 5.7°120.7 ± 5.2°d132.6 ± 4.3°e
ICA97.4 ± 29.3°104.1 ± 27°119.6 ± 26.1°b
Total103 ± 4.2°121 ± 3.9°d137.3 ± 3.9°e

  • ↵a P < .01, compared with prestenting angle.

  • ↵b P < .01, compared with post-stent angle.

  • ↵c P < .05, compared with prestenting-coiling angle.

  • ↵d P < .0001, compared with prestenting angle.

  • ↵e P < .0001, compared with post-stent-coiling angle.