Table 1

Baseline patient and aneurysm characteristics

ParameterValue
Female sex75 (66.4%)
Age58.9±11.9
Ruptured aneurysms36 (31.6%)
Recurrent aneurysms10 (8.8%)
Initial intra-aneurysmal partial thrombosis7 (6.1%)
Lobular shape13 (11.4%)
Aneurysm location
 AcomA32 (28.1%)
 PA1 (0.9%)
 MCA16 (14.0%)
 ICA
  Terminus4 (3.5%)
  Paraophthalmic9 (7.9%)
 PcomA9 (7.9%)
 BA39 (34.2%)
 VA1 (0.9%)
 PICA3 (2.6%)
 Bifurcation location91 (79.8%)
Aneurysm size
 Dome width (mm)7.3±3.6
 Height (mm)7.9±4.4
 Maximum diameter (mm)8.6±4.6
 Neck width (mm)4.6±1.8
 D/N ratio1.7±0.8
 Aspect ratio1.8±1.0
 W/H ratio1.0±0.3
 Wide neck104 (91.2%)
  • AcomA, anterior communicating artery; BA, basilar artery; D/N, dome-to-neck ratio; ICA, internal carotid artery; MCA, middle cerebral artery; PA, pericallosal artery; PcomA, posterior communicating artery; PICA, posterior inferior cerebellar artery; VA, vertebral artery; W/H, width-to-height ratio.