EARLY SEIZURES AFTER ACUTE STROKE - A STUDY OF 1,640 CASES

We evaluated prospectively the occurrence of seizures within 15 days o f a first stroke or transient ischemic episode in 1,640 patients to st udy relation between seizures and type of stroke. Seizures occurred in 90 patients (5.4%), including 36 (4.4%) of 814 with infarct owing to atheroma, 21 (16.6%) of 126 with infarct owing to cardiogenic embolus, 3 (1%) of 273 owing to lacunar infarct, 5 (1.9%) of 259 owing to tran sient ischemic attack (TIA), 21 (16.2%) of 129 owing to supratentorial hematoma, and 4 (16.6%) of 24 owing to subarachnoid hemorrhage. Thirt een (14.6%) of 89 subcortical infarcts were associated with seizures. Seizures were the initial sign of stroke in 80 (89%) of 90 cases and w ere usually single and partial. Seizure symptoms were most often motor , sensory, or visual.