Transient epileptic amnesia versus transient global amnesia: aspects of differential diagnosis

Transient global amnesia (TGA) and transient epileptic amnesia (TEA) are rare phenomena in clinical practice that manifest as transient cognitive amnestic impairments. Despite the similarity in clinical picture, such conditions are pathogenetically heterogeneous and require different therapeutic app...

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Main Authors: L. V. Lipatova, I. V. Sakovsky, M.-B. V. Gadaborshev
Format: Article
Language:Russian
Published: IRBIS LLC 2024-07-01
Series:Эпилепсия и пароксизмальные состояния
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Online Access:https://www.epilepsia.su/jour/article/view/1044
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author L. V. Lipatova
I. V. Sakovsky
M.-B. V. Gadaborshev
author_facet L. V. Lipatova
I. V. Sakovsky
M.-B. V. Gadaborshev
author_sort L. V. Lipatova
collection DOAJ
description Transient global amnesia (TGA) and transient epileptic amnesia (TEA) are rare phenomena in clinical practice that manifest as transient cognitive amnestic impairments. Despite the similarity in clinical picture, such conditions are pathogenetically heterogeneous and require different therapeutic approaches. TGA is a clinical syndrome characterized by sudden anterograde amnesia of the event lasting up to 24 hours, lacking focal neurological symptoms, and not prone to recurrence. Mimicking TGA, TEA often occurs manifested as epileptic seizures with impaired awareness of varying duration, including long-term (more than 24 hours), as a variant of focal epilepsy. TEA is characterized by recurrent episodes, combination with other manifestations of epilepsy, and comorbidity with neurodegenerative diseases (dementia). For differential diagnosis, it is necessary to use prolonged video-electroencephalographic monitoring with sleep recording, neuroimaging methods (brain magnetic resonance imaging, positron emission tomography), psychological testing, biochemical examination for markers of neurodegeneration.
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series Эпилепсия и пароксизмальные состояния
spelling doaj-art-ae538103d8ab4253b64c00e362b87aa02025-08-03T19:51:23ZrusIRBIS LLCЭпилепсия и пароксизмальные состояния2077-83332311-40882024-07-0116213714410.17749/2077-8333/epi.par.con.2024.185642Transient epileptic amnesia versus transient global amnesia: aspects of differential diagnosisL. V. Lipatova0I. V. Sakovsky1M.-B. V. Gadaborshev2Saint-Peterburg Medical and Social InstituteSaint-Peterburg Medical and Social InstituteSaint-Peterburg Medical and Social InstituteTransient global amnesia (TGA) and transient epileptic amnesia (TEA) are rare phenomena in clinical practice that manifest as transient cognitive amnestic impairments. Despite the similarity in clinical picture, such conditions are pathogenetically heterogeneous and require different therapeutic approaches. TGA is a clinical syndrome characterized by sudden anterograde amnesia of the event lasting up to 24 hours, lacking focal neurological symptoms, and not prone to recurrence. Mimicking TGA, TEA often occurs manifested as epileptic seizures with impaired awareness of varying duration, including long-term (more than 24 hours), as a variant of focal epilepsy. TEA is characterized by recurrent episodes, combination with other manifestations of epilepsy, and comorbidity with neurodegenerative diseases (dementia). For differential diagnosis, it is necessary to use prolonged video-electroencephalographic monitoring with sleep recording, neuroimaging methods (brain magnetic resonance imaging, positron emission tomography), psychological testing, biochemical examination for markers of neurodegeneration.https://www.epilepsia.su/jour/article/view/1044epilepsytransient global amnesiatgatransient epileptic amnesiateacognitive impairmentdementia
spellingShingle L. V. Lipatova
I. V. Sakovsky
M.-B. V. Gadaborshev
Transient epileptic amnesia versus transient global amnesia: aspects of differential diagnosis
Эпилепсия и пароксизмальные состояния
epilepsy
transient global amnesia
tga
transient epileptic amnesia
tea
cognitive impairment
dementia
title Transient epileptic amnesia versus transient global amnesia: aspects of differential diagnosis
title_full Transient epileptic amnesia versus transient global amnesia: aspects of differential diagnosis
title_fullStr Transient epileptic amnesia versus transient global amnesia: aspects of differential diagnosis
title_full_unstemmed Transient epileptic amnesia versus transient global amnesia: aspects of differential diagnosis
title_short Transient epileptic amnesia versus transient global amnesia: aspects of differential diagnosis
title_sort transient epileptic amnesia versus transient global amnesia aspects of differential diagnosis
topic epilepsy
transient global amnesia
tga
transient epileptic amnesia
tea
cognitive impairment
dementia
url https://www.epilepsia.su/jour/article/view/1044
work_keys_str_mv AT lvlipatova transientepilepticamnesiaversustransientglobalamnesiaaspectsofdifferentialdiagnosis
AT ivsakovsky transientepilepticamnesiaversustransientglobalamnesiaaspectsofdifferentialdiagnosis
AT mbvgadaborshev transientepilepticamnesiaversustransientglobalamnesiaaspectsofdifferentialdiagnosis