Table 1.
Characteristics of patients with poststroke seizure at baseline.
| Characteristics | Early seizure (n = 123) | Late seizure (n = 109) | ||
|---|---|---|---|---|
| n | % | n | % | |
| Signs and symptoms | ||||
| Headache | 17 | (13.8) | 11 | (10.1) |
| Dizziness | 11 | (8.9) | 3 | (2.8) |
| Nausea, vomiting | 9 | (7.3) | 0 | (0) |
| Altered consciousness | 21 | (17.1) | 0 | (0) |
| Speech deficits | 36 | (29.3) | 15 | (13.8) |
| Cranial nerve palsy | 89 | (72.4) | 57 | (52.3) |
| Limb paresis | 89 | (72.4) | 82 | (75.2) |
| Hemianopia | 5 | (4.1) | 1 | (0.9) |
| Ataxia | 18 | (14.6) | 8 | (7.3) |
| Hemihypesthesia | 67 | (54.5) | 62 | (56.9) |
| EEG | ||||
| Diffuse slowing | 51 | (41.5) | 16 | (14.7) |
| Focal slowing | 21 | (17.1) | 29 | (26.6) |
| Epileptiform activity | ||||
| Ictal activity | 11 | (8.9) | 9 | (8.3) |
| Focal sharp and slow waves | 13 | (10.6) | 22 | (20.2) |
| Focal spikes & slow waves | 18 | (14.6) | 2 | (1.8) |
| Focal sharp waves | 5 | (4.1) | 13 | (11.9) |
| Focal spike waves | 3 | (2.4) | 11 | (10.1) |
| PLEDs | 1 | (0.8) | 7 | (6.4) |
| Seizure type | ||||
| Secondarily generalized tonic-clonic seizures | 43 | (35.0) | 37 | (34.0) |
| Simple partial seizures | 23 | (18.7) | 54 | (49.5) |
| Complex partial & tonic-clonic seizures | 57 | (46.3) | 18 | (16.5) |
| Stroke types | ||||
| Cerebral infarction | 48 | (39.0%) | 48 | (44.0%) |
| Cerebral hemorrhage | 45 | (36.6%) | 47 | (43.1%) |
| Hemorrhagic infarction | 2 | (1.6%) | 3 | (2.8%) |
| Cerebral hemorrhage with cerebral infarction | 2 | (1.6%) | 2 | (1.8%) |
| Subarachnoid hemorrhage | 26 | (21.1%) | 9 | (8.3%) |
| Lesion location on CT | ||||
| Cortical area | 48 | (39.0) | 51 | (46.8) |
| Subcortical area | 26 | (21.1) | 14 | (12.8) |
| Cerebellum | 0 | (0) | 1 | (0.9) |
| Brain stem | 0 | (0) | 0 | (0) |
| Multiple sites | 49 | (39.9) | 43 | (39.5) |
| Lobe of lesion* | ||||
| Frontal | 41 | (33.3) | 33 | (30.5) |
| Parietal | 38 | (30.9) | 35 | (32.4) |
| Occipital | 15 | (12.2) | 12 | (11.1) |
| Temporal | 29 | (23.6) | 28 | (25.9) |
PLEDs: periodic lateralized epileptiform discharges. *One patient with late seizure had cerebellar stroke.