Abstract
Purpose of Review
This is a narrative review of the literature pertaining to early post-traumatic seizures (PTS) and post-traumatic epilepsy (PTE; late, unprovoked seizures), with particular emphasis on current identified biomarkers. We will present the reader current management strategies and society guidelines for the management of PTS. We also indicate potential targets for further investigation to identify patients at high risk for PTE and clinical intervention to prevent PTE.
Recent Findings
A recent large cohort study again demonstrated that intracranial hemorrhage—including subarachnoid, subdural, and epidural—and severity of head injury were significant risk factors for development of PTS. While several prior studies have shown the efficacy of antiseizure medications in preventing early PTS in adults, a number of recent retrospective and randomized trials have demonstrated the efficacy of antiseizure medications in preventing early PTS in children. This has prompted new society guidelines for antiseizure medication (ASMs) prophylaxis in pediatric TBI. Recent investigations redemonstrated that early PTS, intracranial hemorrhage, and severity of TBI are major risk factors for PTE.
Summary
Brief (1–2 weeks) use of prophylactic ASMs—particularly levetiracetam or phenytoin—is effective for the prevention of early PTS in patients with moderate to severe TBI, but prophylactic ASMs for the prevention of PTE are ineffective and not recommended. Continued research into potential biomarkers is needed to identify patients at the highest risk of developing PTE as well as to identify effective therapies for preventing the development of PTE in at-risk patients.
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Acknowledgements
We acknowledge the editorial assistance of the NC Translational and Clinical Sciences (NC TraCS) Institute and I2B2 software, which was used in conducting the study; both are supported by the National Center for Advancing Translational Sciences (NCATS), National Institutes of Health, through Grant Award Number UL1TR002489. We would also like to thank the University of North Carolina in Chapel Hill for providing access to the literature required to complete this review.
Funding
CR receives funding from the Physician in training Program, University of North Carolina School of Medicine. Dr. Hirsch has received consultation fees for advising from Accure, Aquestive, Ceribell, Eisai, Marinus, Medtronic, Neurelis, Neuropace, and UCB; royalties from Wolters-Kluwer for authoring chapters for UpToDate-Neurology, and from Wiley for co-authoring the book “Atlas of EEG in Critical Care,” by Hirsch and Brenner; and honoraria for speaking from Neuropace, Natus, and UCB.
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Clio Rubinos declares that she has no conflict of interest. Brandon Waters declares that he has no conflict of interest. Lawrence J. Hirsch declares that he has no conflict of interest.
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Rubinos, C., Waters, B. & Hirsch, L.J. Predicting and Treating Post-traumatic Epilepsy. Curr Treat Options Neurol 24, 365–381 (2022). https://doi.org/10.1007/s11940-022-00727-2
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DOI: https://doi.org/10.1007/s11940-022-00727-2