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La amnesia global transitoria: entidad infrecuente en la infancia

Authors: Sebastiani, Giorgia; Simó Parra, Marta; Luaces Cubells, Carles; Pineda Marfà, Mercè; García García, Juan José;

La amnesia global transitoria: entidad infrecuente en la infancia

Abstract

Introducción: la amnesia global transitoria (AGT) es un cuadro de presentación súbita caracterizado por una intensa amnesia anterógrada y una amnesia retrógada variable. La memoria inmediata está conservada y el resto de la exploración neurológica es normal. La recuperación es progresiva en pocas horas. Suele presentarse en pacientes adultos de mediana edad y en ancianos. Caso clínico: niña de 9 años de edad que presenta una amnesia anterógrada de inicio brusco, con memoria inmediata conservada y algún trastorno de la memoria retrógada, asociados a cefalea de intensidad leve. La exploración neurológica es normal. El episodio cede de forma espontánea en unas 4 horas. Posteriormente, la paciente presenta una cefalea leve y una amnesia del episodio. Se realiza una tomografía computarizada craneal, que es normal, por lo que el cuadro se orienta como AGT. Discusión: la clínica descrita es característica de la AGT. La aparición de este cuadro suele ser espontánea, aunque puede existir un factor desencadenante. Se ha postulado que podría deberse a un fenómeno vascular amplio con isquemia transitoria del territorio de la vertebrobasilar, o a un fenómeno epiléptico o migrañoso. La migraña confusional aguda, típica de la infancia, tiene manifestaciones clínicas similares a las de la AGT. El diagnóstico de este proceso es clínico. Tiene un excelente pronóstico, con poca tendencia a la recidiva. Dada la presentación poco habitual en la edad pediátrica, en nuestro caso se realizó una prueba de imagen para descartar un accidente cerebrovascular. La clínica típica y la normalidad de las pruebas de imagen deben hacernos considerar este diagnóstico también en la edad pediátrica.

Country
Spain
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Keywords

Migranya, Memory disorders, Trastorns de la memòria, Amnesia, Epilepsy in children, Amnèsia, Epilèpsia en els infants, Childhood, Migraine, Infància

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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