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 computational features
    Computational flow dynamics
Clinical success
    30-day morbidity and mortality (assessed by independent physician)
        Modified Rankin Scale46
        Barthel Index47
        Glasgow Outcome Scale45
        NIHSS48
  • NIHSS indicates National Institutes of Health Stroke Scale.