Table 5.

Proposed fields and ranges

General Definitions (Choose all that apply)
Clinical presentationHemorrhage
    Incidental    Evidence of new hemorrhage
    Hemorrhage    Age of new hemorrhage
    Seizure    Is new hemorrhage symptomatic
    Neurological deficit    Evidence of old hemorrhage
    Headache    Age of old hemorrhage
    Other    Was old hemorrhage symptomatic
Date of presentation    Evidence of new cerebral infarction
Imaging source and date    Evidence of intraparenchymal hemorrhage
Location and size    Size of parenchymal hemorrhage
    Lesion sidePresence of mass effect
        Right    Presence of hydrocephalus
        Left    Opening pressure on insertion of ventricular catheter
        Midline    Requirement for ongoing ventricular drainage
    HandednessComorbid vascular conditions
        Right    Fibromuscular dysplasia
        Left    Arteriovenous malformation
    Aneurysm size (greatest diameter in mm)    Bacterial endocarditis
    Multiple aneurysms    Polycystic disease
        No. of aneurysms    Familial history of aneurysms
    Aneurysm location    Vascular occlusion
        Internal carotid    Vascular anomalies
        Proximal intradural or ophthalmicVasospasm
        Posterior communicating    Nonatherosclerotic narrowing of the cerebral arteries
        Bifurcation    Grading of vasospasm (mild, moderate, severe)
        Other internal carotid    Possible clinical symptoms and signs related to vasospasm
    Anterior cerebral    Treatment for vasospasm
        Anterior communicating        Vasodilator, intra-arterial
        Proximal to anterior communicating        Type and dosage of vasodilator
        Pericallosal        Balloon angioplasty
    Middle cerebral        Balloon type
        Proximal to bifurcation        Vessels treated with angioplasty
        BifurcationTechnical success of endovascular treatment
        Distal to main bifurcation    Unable to catheterize aneurysm
    Posterior circulation    Unable to deploy adjunctive devices such as balloon or stent
        Basilar bifurcation    Unable to deploy embolic materials in aneurysm
        Basilar trunk    Embolic material herniation beyond aneurysm confines
        Superior cerebellar    Neck remnant
        Posterior cerebral    Interstitial opacification
        Posterior inferior cerebellar    Near complete occlusion
        Other posterior circulation    Complete occlusion