Table 2 Angiographic assessment
Angiographic assessment | Total (N = 21) |
|---|---|
Site | |
Frontal | 9 (42.9%) |
Parietal | 7 (33.3%) |
Temporal | 3 (14.3%) |
Occipital | 2 (9.5%) |
Total number of feeders | |
Range [median (IQR)]* | 1–8 [3 (3)] |
Direct fistula | 4 (19.0%) |
Associated aneurysms | 4 (19.0%) (venous) |
Venous stenosis | 3 (14.3%) |
Size | |
< 3 cm | 13 (61.9%) |
3–6 cm | 7 (33.3%) |
> 6 cm | 1 (4.8%) |
Eloquent site | 14 (66.7%) |
Deep venous drainage | 5 (23.8%) |
Spetzler-Martin grading | |
Range [median (IQR)] | 1–5 [2 (1)] |
High bleeding risk | 17 (80.9%) |