Table 1:

Lesion characteristics

CharacteristicLesions (%) (n = 71)
Lesion location
    ICA42.3
    Vertebral artery29.6
    Basilar artery14.1
    MCA11.3
    ACA1.4
    PCA1.4
Lesion side
    Left49.3
    Right35.2
    Midline (basilar artery)15.5
Presentation*
    TIA46.4
    Stroke39.3
    Asymptomatic14.3
Persistent/recurrent symptoms on medical therapy40.8

  • Note:—ICA indicates internal carotid artery; MCA, middle cerebral artery; ACA, anterior cerebral artery; PCA, posterior cerebral artery; TIA, transient ischemic attack.

  • * Presentation of original lesions (n = 71), as well as restenosis, for a total of 84 lesion presentations.