期刊
SEIZURE-EUROPEAN JOURNAL OF EPILEPSY
卷 101, 期 -, 页码 60-66出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.seizure.2022.07.011
关键词
Epileptic seizures; Craniectomy; Unprovoked; Acute symptomatic seizures; Ischemic stroke
This study aimed to investigate the frequency of epileptic seizures in patients with malignant stroke undergoing decompressive surgery and study the associated factors. The results showed a high frequency of epileptic seizures after decompressive surgery in patients with malignant stroke, and the size of infarction at hospital admission may be a risk factor for epilepsy occurrence.
Background: Decompressive surgery has proven to be lifesaving in patients with a malignant anterior circulation ischemic stroke. Recently, some studies have shown a high frequency of epileptic seizures in patients undergoing this procedure. However, the quantification of this risk and its associated factors have not been extensively investigated. Objective: To determine the frequency of epileptic seizures and epilepsy in patients with an anterior circulation ischemic stroke admitted to our Stroke Unit from January 2006 to March 2019 that have been submitted to craniectomy and to study their associated demographic, clinical, imagiological and neurophysiological features. Methods: Retrospective observational study of 56 consecutive patients with an anterior circulation ischemic stroke that have undergone craniectomy. The frequency of seizures was both clinically and neurophysiologically assessed after reviewing clinical records, discharge or death reports and all EEGs performed during the hospital admission. Bivariate analysis was used to compare patients with and without seizures. Results: Sixteen patients (28,6%) had epileptic seizures. Bivariate analysis showed an association between the occurrence of unprovoked seizures and the median ASPECTS from the first CT performed. Conclusions: In this study, the frequency of epileptic seizures after a malignant stroke submitted to craniectomy was high, albeit lower than that reported in previous studies. The size of infarction at hospital admission appears to be a risk factor for the occurrence of epilepsy in this group of patients.
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