• Shinya Tomari, Tomotaka Tanaka, Masafumi Ihara, Takayuki Matsuki, Kazuki Fukuma, Soichiro Matsubara, Kazuyuki Nagatsuka, and Kazunori Toyoda.
• Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan. Electronic address: sny5588@gmail.com.
• Seizure. 2017 Nov 1; 52: 22-26.

PurposeSeizure is a common complication after stroke. However, the clinical characteristics, treatment, and recurrence rates in patients with the first episode of post-stroke seizure remain unclarified. The aim of this study was to identify the predictors of seizure recurrence in those patients.MethodWe retrospectively identified patients admitted to our hospital between July 2010 and June 2014 and followed-up until June 2015 because of the first episode of post-stroke seizure. We classified post-stroke seizure as early (within one week after stroke) or late (in the second week or later). We compared the baseline clinical characteristics and treatment between the groups and investigated the factors that determined seizure recurrence by Cox proportional hazards model.ResultsA total of 153 patients (84 men; mean age, 73.7±12.3years; 73 hemorrhagic and 80 ischemic strokes; 63 early and 90 late seizure) were included. Compared with the late seizure group, the early seizure group more frequently manifested with status epilepticus; tended to less often undergo stereotactic aspiration of hematoma; and less frequently used anti-epileptic drugs. During the observation period (median 364days, IQR 124-680days), 40 patients were lost to follow-up; subsequently, 113 patients were included in the analysis. The early seizure group had lower survival and seizure recurrence rates than the late seizure group. The factors significantly associated with seizure recurrence were presence of status epilepticus in the early group (HR 4.75, 95% CI 1.28-17.62) and younger age in the late seizure group (HR 0.95, 95% CI 0.93-0.99).ConclusionsIn patients with post-stroke seizure, status epilepticus and younger age were the predictors of recurrence after early and late seizure, respectively.Copyright © 2017 British Epilepsy Association. Published by Elsevier Ltd. All rights reserved.

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