Summary of patient, lesion, and treatment data for 16 patients with 16 treated AVMs at Baylor College of Medicine and Semmes-Murphey Neurologic and Spine Institute
| Variable | Value |
|---|---|
| Demographics | |
| Women, n (%) | 9 (56.3) |
| Median (range) age at surgery, years | 46 (20–65) |
| Ruptured, n (%) | 9 (56.3) |
| Clinical presentation, n (%) | |
| Headache | 5 (31.2) |
| Seizures | 5 (31.2) |
| Increased intracranial pressure | 5 (31.2) |
| Lesion location, n (%) | |
| Frontal | 4 (25.0) |
| Parietal | 3 (18.8) |
| Temporal | 4 (25.0) |
| Occipital | 2 (12.3) |
| Cerebellar | 3 (23.5) |
| Side, n (%) | |
| Right | 9 (56.3) |
| Left | 6 (37.5) |
| Endovascular intervention, n (%) | |
| Staged embolization | 3 (18.8) |
| Immediate preoperative embolization | 8 (50.0) |
| No endovascular intervention | 5 (31.2) |
| Resection, n (%) | |
| Complete resection on angiography | 14 (87.5) |
| Perinidal hypervascularity (not residual) | 2 (12.5) |
| Embolisate | |
| Onyx | 8 |
| n-BCA | 3 |
AVMs, arteriovenous malformations; n-BCA, n-butyl cyanoacrylate.