Journal article

Idiopathic generalized epilepsies: Do sporadic and familial cases differ?

RS Briellmann, Y Torn-Broers, SF Berkovic

EPILEPSIA | WILEY | Published : 2001

Abstract

PURPOSE: Genetic factors are the only identified cause of idiopathic generalized epilepsies (IGEs), but the majority of cases do not have affected first-degree relatives. Here we investigate whether subjects with sporadic and familial IGE differ in terms of antecedent events and clinical and EEG features. Differences would support the hypothesis of a different etiology for sporadic cases, which has implications for choice of subjects for genetic association studies. METHODS: We analyzed 98 patients with IGE, diagnosed on clinical and EEG criteria. All patients and, if possible, one relative were interviewed, with special emphasis on potential antecedent events and family history. Patients wi..

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