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Changing patterns of propagation in a super-refractory status of the temporal lobe. Over 900 seizures recorded over nearly one year
Indexado
Scopus SCOPUS_ID:84883014860
DOI 10.1016/J.EBCR.2013.07.001
Año 2013
Tipo

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Objective: Our goals were to study the propagation models in a situation of persistent temporal epileptic seizures with varying degrees of bitemporal excitability and to analyze which propagation models were found at times of high temporal excitability and which occurred with lower levels of excitability. Methods: A patient with super-refractory status arising from the temporal lobes was studied daily using video-electroencephalography (VEEG), with a large number of electroclinical seizures recorded. The analysis focused on the method and type of seizure propagation and classified them either according to the propagation models described in the literature or as undetermined. Results: Video-EEG monitoring was carried out daily for 310. days. A total of 990 electroclinical seizures were recorded; 135 seizures were recorded during the first week, and 523 were recorded in the first month. From the beginning, the interictal recording showed independent discharges over both temporal lobes. The seizures showed independent onset in both temporal lobes. During periods of the highest number of seizures, certain models of propagation begin to predominate through switch of lateralization, temporal asynchrony, early remote propagation, total contralateral propagation, seizures with nonlocalized onset, or models that are difficult to classify. Conversely, when the condition was brought relatively under control, we observed fewer propagation models with predominantly simple patterns: only hemispheric propagation or graduated sequential propagation with a few nonlateralized onset seizures. Conclusions: Upon analyzing the seizures, we found that the propagation models vary as the status evolved, with the change reflecting the degree of excitability in the mesial temporal-limbic network at a given time. In clinical practice, these changes in propagation models are more likely to be observed in temporal status that extends over time and with an onset of the seizures in both temporal lobes. Significance: The analysis of the propagation models may provide information about the excitability of the mesial temporal-limbic network. © 2013 The Authors.

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Disciplinas de Investigación



WOS
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Scopus
Neurology (Clinical)
Neurology
Behavioral Neuroscience
SciELO
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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

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Autores - Afiliación



Ord. Autor Género Institución - País
1 Napolitano, Cayetano E. Hombre Hospital Militar de Santiago - Chile
2 ORRIOLS-WINTER, MIGUEL AGUSTIN Hombre Army Health Unit - Chile

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Financiamiento



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