Table 1:
Lesion characteristics
| Characteristic | Lesions (%) (n = 71) |
|---|---|
| Lesion location | |
| ICA | 42.3 |
| Vertebral artery | 29.6 |
| Basilar artery | 14.1 |
| MCA | 11.3 |
| ACA | 1.4 |
| PCA | 1.4 |
| Lesion side | |
| Left | 49.3 |
| Right | 35.2 |
| Midline (basilar artery) | 15.5 |
| Presentation* | |
| TIA | 46.4 |
| Stroke | 39.3 |
| Asymptomatic | 14.3 |
| Persistent/recurrent symptoms on medical therapy | 40.8 |
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.