History of preceding trauma in children with cerebral arterial dissection
| Clinical history | No. | % |
|---|---|---|
| * History available in 102 patients. | ||
| † History available in 47 patients. | ||
| Trauma or activity preceding the onset of neurologic signs* | ||
| None (spontaneous) | 32 | 31 |
| Activity associated | 17 | 17 |
| Trivial trauma | 34 | 33 |
| Significant trauma | 15 | 15 |
| Trauma, severity not specified | 4 | 4 |
| Time from trauma (trivial or significant) to onset of neurologic signs† | ||
| Immediate | 3 | 6 |
| Minutes | 4 | 9 |
| Hours | 13 | 28 |
| 1–7 days | 20 | 43 |
| Weeks to months | 7 | 15 |