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  • Title: [Electroencephalographic diagnosis of the idiopathic generalized epilepsies of childhood].
    Author: Bauzano-Poley E, Rodríguez-Barrionuevo AC.
    Journal: Rev Neurol; ; 32(4):365-72. PubMed ID: 11333394.
    Abstract:
    INTRODUCTION: The idiopathic generalized epilepsies of childhood form a heterogeneous group of epileptic syndromes, with certain clinical and electroencephalographic characteristics in common. From the onset, the seizures affect both cerebral hemispheres with generalized clinical expression and from the start there are bilateral electroencephalographic patterns during seizures. These epilepsies have no known causes, there is a genetic predisposition and relation to the age of onset. The electroencephalographic characteristics during and between seizures have points in common: the basal electroencephalographic activity is normal in all the epilepsies of this group, the paroxystic anomalies are generalized, synchronic and symmetrical, and are formed of bilateral discharges of spikes, multiple spikes, spikes and waves and multiple spikes and waves, with discharges at a frequency of 3 Hz or more. DEVELOPMENT: In this article we review the electroencephalographic characteristics during and between seizures of the idiopathic generalized epilepsies and epileptic syndromes of childhood, with particular emphasis on childhood absences, since we consider this to be the commonest and most representative of the idiopathic generalized epilepsies of infancy. CONCLUSIONS: We consider that the electroencephalographic aspects of epilepsies and the epileptic syndromes make up a factor of great importance as a help in confirmation in diagnosis.
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