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Table 4 Grading of BCVIs [18]

From: The limitations of using risk factors to screen for blunt cerebrovascular injuries: the harder you look, the more you find

Grade

Definition

n

%

I

Luminal irregularity or dissection with <25 % luminal narrowing

34

55.7

II

Dissection or intramural hematoma with ≥25 % luminal narrowing

7

11.5

III

Pseudoaneurysm

6

9.8

IV

Occlusion

14

23.0

V

Transection with free extravasation

0

0.0

 

Total

61

100.0