Patient characteristics (n = 20)
| Patient demographics | |
|---|---|
| Mean age ± SD | 68 ± 11.1 years (range, 48–84 years) |
| Male:female | 14:6 |
| Presenting event | |
| Amaurosis fugax | 2 |
| Transient ischemic attack | 9 |
| Stroke | 9 |
| Carotid arteries | |
| Symptomatic side, left: right | 10: 10 |
| Mean stenosis ± SD, symptomatic side | 88 ± 13 (range, 60% to 99%) |
| Mean stenosis ± SD, asymptomatic side | 11 ± 17% (range, 0% to 50%) |
| Cerebral damage (noncontrast CT) | |
| No infarct | 11 |
| Small infarct (small branch area)* | 5 |
| Medium size infarct (major branch area)* | 4 |
* Infarct size was classified according to Lodder et al.36