• Irina Kharatishvili and Asla Pitkänen.
• Epilepsy Research Laboratory, Department of Neurobiology, A. I. Virtanen Institute for Molecular Sciences, University of Kuopio, Finland.
• Curr. Opin. Neurol. 2010 Apr 1;23(2):183-8.

Purpose Of ReviewThe purpose of this study is to focus on recent advances in understanding of the genetic and epidemiologic risk factors, development, modeling, and prevention of epilepsy after traumatic brain injury (TBI).Recent FindingsEpidemiologic data suggest that the epileptogenic period after TBI in humans may last longer than previously thought. Depression was found to be an important risk factor for posttraumatic epilepsy (PTE). Once PTE has developed, it remits less often than previously reported. Moreover, patients with PTE appear to have a higher mortality rate than patients with TBI without epilepsy. In animal models it was reported that in addition to rats, also mice develop PTE. Furthermore, the immature rat brain is sensitive to TBI-induced epileptogenesis. The development of a lowered seizure threshold after TBI can be alleviated by pharmacotherapy in rats.SummaryThese observations provide small but encouraging steps towards a better understanding of the mechanisms of posttraumatic epileptogenesis, which is a key to developing a cure for this condition.

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