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Academia Mexicana de Neurología, A.C.

2012, Number 5

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Rev Mex Neuroci 2012; 13 (5)

Electroclinical characteristics by videoelectroencephalogram in children with frontal lobe epilepsy

García-Huerta LG, Gutiérrez-Moctezuma J, Solórzano-Gómez E

Language: Spanish
References: 30
Page: 259-266
PDF size: 207.29 Kb.


ABSTRACT

Introduction: A clear definition of frontal lobe epilepsy (FLE) has not yet been established. Lugaresi and Cirignotta in 1981 first described FLE as paroxysmal motor attacks during sleep in healthy subjects. Objective: To describe the narrative of the clinical characteristics of the patient event, to classify the subtype of seizures that correspomnd to FLE. Methods: This is a descriptive, transversal and prolective study. A revision was made of the database of patients with clinically probable FLE. Videoelectroencephalogram (videoEEG) was performed in all cases. A total of 6 EEG were collected for these analysis, data from medical records were supplemented by parents interview. Once videoEEG was obtained, a minucious evaluation by a neurophysiologist blinded to clinical information was performed, for bioelectric analysis. Results: We included 14 children aged 4-16 years. Among them, 13 were valid cases and 1 was a case of parasomnia. While a parent (7.7%) provided a description of supplementary motor area, videoEEG results showed an anterior frontopolar origin. Among the accounts of paroxysmal arousals, the most common foci corresponded to anterior frontopolar (7.7%), dorsolateral (7.7%), motor cortex (7.7%), nocturnal paroxysmal dystonia (15.3%) and paroxysmal arousals (46.1%). A 7.7% provided a description of nocturnal paroxysmal dystonia, reflecting an anterior frontopolar origin. Clinical semiology based on the parents’ narration had a sensitivity of 77% and specificity of 28%. Conclusion: In spite of the usefuleness of the observator’s narrations, videoEEG is necessary to establish a diagnosis of certainty in FLE.


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