Angiographic findings in carotid near-occlusion
| Findings | n (%) |
|---|---|
| Near-occlusion with collapse | 11 (18.6) |
| Delayed arrival of contrast medium in the distal ICA | 53 (89.8) |
| Evidence of intracranial collateral | 47 (79.7) |
| Reduced ICA diameter compared with the contralateral ICA diametera | 56 (100) |
| Reduced ICA diameter compared with the ipsilateral ECA diameter | 53 (89.8) |
↵a Not applicable in 3 patients because of contralateral total occlusion or near-occlusion with collapse.