Table 1.
Demographics and clinical characteristics. Except for seizure frequency, categories were not mutually exclusive, so do not sum to 100%.
| Neonatal (N=28) n (%) | Childhood (N=86) n (%) | |
|---|---|---|
| Demographics | ||
| Male | 15 (54) | 51 (59) |
| North American | 20 (71) | 60 (70) |
| Hispanic parent | 6 (21) | 15 (17) |
| Stroke risk factors | ||
| Arteriopathy | 1 (4) | 33 (38) |
| Cardiac disease | 7 (26) | 22 (26) |
| Acute illness | 6 (22) | 21 (24) |
| Underlying chronic disease | 2 (7) | 24 (28) |
| Head trauma at time of stroke | 0 (0) | 7 (8) |
| No risk factor identified | 14 (50) | 15 (17) |
| Clinical characteristics | ||
| Prolonged acute seizure (≥5 minutes) | 8 (29) | 11 (13) |
| History of seizure prior to stroke | 0 (0) | 5 (6) |
| Family history of epilepsy | 1 (4) | 0 (0) |
| Discharged home | 24 (86) | 70 (81) |
| Infarct Description | ||
| MCA territory stroke | 23 (82) | 53 (62) |
| ACA territory stroke | 2 (7) | 12 (14) |
| PCA territory stroke | 3 (11) | 18 (21) |
| Cortical stroke location | 10 (36) | 15 (17) |
| Multifocal infarcts | 8 (29) | 29 (34) |
| Any hemorrhage | 4 (14) | 3 (3) |
| EEG done | 27 (96) | 35 (41) |
| Routine EEG (<30 min) | 10 (36) | 14 (16) |
| Prolongd EEG (30 min-2 hours) | 8 (29) | 13 (15) |
| Continuous EEG (>2 hours) | 9 (32) | 7 (8) |
| Acute Seizure | 26 (93) | 32 (37) |
| Clinical seizure | 19 (69) | 26 (30) |
| Electrographic seizure | 8 (29) | 3 (3) |
| Electroclinical seizure | 10 (36) | 4 (5) |
| Seizure frequency ‡ | ||
| None | 2 (7) | 54 (63) |
| single seizure | 3 (11) | 7 (8) |
| 2–10 seizures | 18 (64) | 15 (17) |
| > 10 seizures | 5 (18) | 6 (7) |
| Unknown frequency | 0 (0) | 4 (5) |
*
P ≤ 0.05.
‡
P-value is for differences between acute seizure frequency groups, Fisher’s exact test. Abbreviations: MCA = middle cerebral artery, ACA = anterior cerebral artery, PCA = posterior cerebral artery.