Table 1 Grading system for blunt cerebrovascular injuries
From: State of the art: noninvasive imaging and management of neurovascular trauma
Grade | Injury pattern |
|---|---|
I | Intimal injury, luminal narrowing <25% |
II | Visualized dissection flap, or luminal narrowing >25% |
III | Pseudoaneurysm |
IV | Vessel occlusion |
V | Vessel transection |