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  • Title: Familial genetic predisposition, epilepsy localization and antecedent febrile seizures.
    Author: Abou-Khalil B, Krei L, Lazenby B, Harris PA, Haines JL, Hedera P.
    Journal: Epilepsy Res; 2007 Jan; 73(1):104-10. PubMed ID: 17046202.
    Abstract:
    PURPOSE: The magnitude of genetic influence in epilepsy may vary in relation to epilepsy classification and localization and factors such as antecedent febrile seizures. We assessed this genetic influence in a large epilepsy population. METHODS: Patients with established epilepsy diagnosis evaluated in the Vanderbilt Epilepsy Program were systematically questioned about family history of epilepsy and febrile seizures, prior febrile seizures and other risk factors for epilepsy. RESULTS: A total of 1994 patients with epilepsy and reliable family history were identified. Patients with prior febrile seizures (FS) were more likely to have a family history of febrile seizures than those without prior FS (p<0.000001) and also had a greater proportion of relatives with febrile seizures. The groups did not differ with respect to family history of epilepsy. Patients with generalized epilepsy were more likely to have first and second degree relatives with epilepsy than those with partial epilepsy (40.2% versus 31.2%, p=0.001), and also had a greater proportion of affected first degree relatives (p<0.000001). The proportion of first degree relatives affected with epilepsy was higher than local published prevalence, for both groups. CONCLUSION: Susceptibility for febrile seizures with subsequent epilepsy may be genetically distinct from susceptibility for afebrile seizures alone. Although family history of epilepsy was more likely with generalized epilepsy, a familial tendency was considerable in partial epilepsy.
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