Patient demographics in our cohort of pediatric bAVMs (N = 39)a
| Demographics | |
|---|---|
| Age (mean) (range) (yr) | 10.8 ± 3.9, 2–17 |
| Male/female ratio | 19/20 |
| Presentation | |
| Hemorrhage | 28 (71.2) |
| Seizures | 5 (12.8) |
| HHT screening | 3 (7.7) |
| Incidental (screening for headache) | 2 (5.1) |
| Partially treated at outside institution | 1 (2.6) |
| SM grade | |
| I | 10 (26) |
| II | 24 (61.5) |
| III | 4 (10.3) |
| IV | 1 (2.6) |
| Location | |
| Frontal | 5 (12.8) |
| Parietal | 9 (23.1) |
| Temporal | 11 (28.2) |
| Occipital | 9 (23.1) |
| Brain stem | 1 (2.6) |
| Cerebellar | 3 (7.7) |
| Choroidal | 1 (2.6) |
| Arterial feeder type | |
| Terminal | 19 (48.7) |
| En passant | 20 (51.3) |
| Venous drainage | |
| Superficial only | 31 (79.5) |
| Deep (±superficial drainage) | 8 (20.5) |
| Venous stenosis | |
| Present | 3 (7.7) |
| Absent | 36 (92.3) |
| Compactness | |
| Compact | 30 (76.9) |
| Diffuse | 9 (23.1) |
| Treatment | |
| Surgery | 20 (51.3) |
| Embolization | 11 (28.2) |
| Radiosurgery | 3 (7.7) |
| Multimodality | 5 (12.8) |
Note:—HHT indicates hereditary hemorrhagic telengiectasia.
↵a Data are numbers (%) unless otherwise indicated.