期刊
EPILEPSY & BEHAVIOR
卷 49, 期 -, 页码 150-154出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yebeh.2015.04.030
关键词
Status epilepticus; Tau; Refractory status epilepticus; Epilepsy; Seizures; Biomarkers
资金
- Emilia Romagna Region
Tau protein is a phosphaylated microtubule-associated protein, principally localized at neuronal level in the central nervous system (CNS). Tau levels in the cerebrospinal fluid (CSF) are considered to index both axonal and neuronal damage. To date, however, no study has specifically evaluated the CSF levels of tau proteins in patients with status epileptic-us (SE). We evaluated these established biomarkers of neuronal damage in patients with SE who received a lumbar puncture during SE between 2007 and 2014. Status epilepticus cases due to acute structural brain damage, including CNS infection, were excluded. Clinical, biological, therapeutic, and follow-up data were collected. Group comparison between patients stratified according to SE response to antiepileptic drugs (AEDs), disability, and epilepsy outcomes were performed. Twenty-eight patients were considered for the analyses (mean age 56 years): 14 patients had abnormally high CSF t-tau level, six patients had abnormally high CSF p-tau level, and only three patients had abnormally low A beta(1-42) level. Cerebrospinal fluid t-tau value was higher in patients who developed a refractory SE compared to patients with seizures controlled by AED. Cerebrospinal fluid t-tau values were positively correlated with SE duration and were higher in patients treated with propofol anesthesia compared to patients that had not received this treatment. Patients with higher CSF t-tau had higher risk of developing disability (OR = 32.5, p = 0.004) and chronic epilepsy (OR 12; p = 0.016) in comparison with patients with lower CSF t-tau level. Our results suggest that CSF t-tau level might be proposed as a biomarker of SE severity and prognosis. Prospective studies are needed to evaluate the effects of propofol on tau pathology in this setting. (C) 2015 Elsevier Inc. All rights reserved.
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