Table 5:

Factors impacting branch vessel patency vs occluded plus stenotic—entire cohorta

Patent Branch VesselOccluded/Stenotic Branch VesselUnivariate P ValueMultivariate P ValueOR (95% CI)
Mean patient age (yr)54.6 ± 12.656.0 ± 10.9.426
Male19/148 (12.8%)11/69 (15.9%).537
Mean max aneurysm sac size6.0 ± 4.05.6 ± 3.7.096.4150.94 (0.82–1.09)
Mean aneurysm neck size3.6 ± 1.73.4 ± 1.2.054.5340.91 (0.67–1.22)
Acutely ruptured target lesion4/148 (2.7%)4/69 (5.8%).260
Mean procedural time (min)205 ± 65210 ± 66.658
Mean fluoroscopy time (min)65 ± 3760 ± 30.365
>1 PED deployed14/148 (9.5%)4/69 (5.8%).362
% PED classic60/148 (40.5%)32/69 (46.3%).418
Balloon angioplasty12/148 (8.1%)2/69 (2.9%).146
Mean PED diameter (mm)4.0 ± 0.53.8 ± 0.5.013.0290.46 (0.23–0.92)
Mean Δmax size of parent vessel and PED0.21 ± 0.170.27 ± 0.25.057.1423.60 (0.65–19.89)
Mean Δmin size of parent vessel and PED0.78 ± 0.40.70 ± 0.42.226
Branch vessel incorporation into aneurysm sac42/148 (28.3%)16/69 (27.5%).898
Mean periprocedural P2Y12127 ± 68125 ± 74.855
Intraprocedural administration of abciximab9/148 (6.1%)11/69 (15.9%).019.0304.26 (1.15–15.78)
Presence of endothelial hyperplasia31/146 (21.2%)22/68 (32.4%).079.5041.31 (0.59–2.94)
Mean length of DSA follow-up (mo)18.8 ± 19.418.0 ± 8.2.584
A1 ACA3/11 (27.2%)8/11 (72.7%)0.003.1143.12 (0.76–12.81)
Anterior choroidal artery30/31 (96.8%)1/31 (3.2%)<.001.0030.04 (0.004–0.32)
PcomA22/39 (56.4%)17/39 (43.6%).081.2481.57 (0.73–3.40)
Ophthalmic artery90/125 (71.2%)36/125 (28.8%).23
  • Note:—PcomA indicates posterior communicating artery; AcomA, anterior communicationg.

  • a Percentages reflect analysis per branch vessel.