Table 1

Summary of cerebral aneurysm attributes

General definitions
 Clinical presentation
  Symptomatic: hemorrhage or mass
  Hunt and Hess Grade or World Federation of Neurological Surgeons
  Grading Scale
  Glasgow Coma Scale and NIHSS
  Modified Rankin Scale score
  Fisher CT score
 Date of presentation
  Time to diagnosis (hours to days)
  Time to arteriography (hours to days)
  Time to treatment (hours to days)
 Imaging source and date
Aneurysm shape
 Saccular
 Other types excluded
  Dissecting
  Serpentine
  Giant, partially thrombosed
  Dolichoectatic
Size and location (see table 5)
 Planar dimensions
 Neck width and area
 Parent artery diameter
 Dome-to-neck ratio
 Neck-to-artery ratio
 Aneurysm volume
 Single or multiple
 Arteriographic comorbidities (see table 5)
Procedural technique
 Catheter type
 Guide wire type
 Guiding catheter type
 Adjunctive techniques
 Coil types, diameters, lengths, and numbers of coils
 Technical success
 Recanalization and recanalization rate
Computational results
 Arteriographic occlusion
 Volumetric occlusion
Advanced computional features
 Computional flow dynamics
Clinical success
 30-day morbidity and mortality (assessed by independent physician)
  Modified Rankin Scale46
  Barthel Index47
  Glasgow Outcome Scale45
  NIHSS48
  • NIHSS, National Institutes of Health Stroke Scale.