Table 1:

Endovascular procedures according to type of anesthesia used

VariablesProcedures Started under General AnesthesiaProcedures Started under Conscious SedationFailure of Conscious Sedation Conversion Rate
Total procedures3875269/526 (1.7%)
Type of procedure
    Endovascular treatment of cerebral vasospasm88 (23%)81 (15.4%)2 (2.5%)
    Extracranial carotid artery stent placement11 (3%)172 (32.7%)1 (0.6%)
    Intracranial angioplasty and/or stent placement30 (8%)51 (9.7%)1 (2.0%)
    Embolization of ruptured aneurysm86 (22%)21 (3.9%)1 (4.8%)
    Embolization of unruptured aneurysm53 (14%)28 (5.3%)1 (3.6%)
    Endovascular treatment of acute ischemic stroke50 (13%)86 (16.3%)3 (3.5%)
    Embolization of AVM/epistaxis69 (18%)87 (16.5%)0 (0%)
No. of procedures per patient
    1199 (75%)
    238 (14%)
    ≥328 (11%)