Clinical, anatomical, and hemodynamic characteristics of AVM feeders with and without aneurysms
| Clinical characteristics | ||
|---|---|---|
| Mean age, years (range) Hemorrhagic presentation (% of cohort) | 45 (25–72) 9.1 | |
| Anatomical features | ||
| Spetzler-Martin grade (% of cohort) | 1 (37)2 (27)3 (18)4 (9)5 (9) | |
| Mean volume, mL (range) | 16.7 ± 17.7 (0.9–54.0) | |
| Hemodynamics | Feeder aneurysm absent(N = 23) | Feeder aneurysm present (N=12) |
| Feeder artery type (% of feeder vessels) | ICA (35)A2 (27)M1 (23)P2 (15) | ICA (25)A1 (17)A2 (8)M1 (17)M2 (17)P1 (8)P2 (8) |
| Mean flow, mL/min (median, range) | 438.4 ± 326.1 (423.5, 20–1086) | 500.5 ± 278.9 (415.0, 105–928) |
| Mean vessel diameter, mm (median, range) | 4.8 ± 1.9 (4.0, 2.2–8.0) | 3.9 ± 1.6 (3.6, 1.6–6.7) |
| Mean WSS, dynes/cm2(median, range) | 28.0 ± 19.0 (24.1, 2.4–77.9) | 95.7 ± 145.9 (38.3, 18.6–512.7) |