Genetic epilepsy with febrile seizures plus (GEFS+)

Febrile seizures (FS) occur in about 2–3% of children aged 3 months to 5 years. Atypical febrile seizures are those with a focal component. Each subsequent febrile attack increases the risk of transformation into epilepsy. After the third febrile seizure, the risk of additional episodes of febrile s...

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Main Author: A. A. Sharkov
Format: Article
Language:Russian
Published: IRBIS LLC 2020-07-01
Series:Эпилепсия и пароксизмальные состояния
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Online Access:https://www.epilepsia.su/jour/article/view/549
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author A. A. Sharkov
author_facet A. A. Sharkov
author_sort A. A. Sharkov
collection DOAJ
description Febrile seizures (FS) occur in about 2–3% of children aged 3 months to 5 years. Atypical febrile seizures are those with a focal component. Each subsequent febrile attack increases the risk of transformation into epilepsy. After the third febrile seizure, the risk of additional episodes of febrile seizures is already approaching 50%, and the risk of formation of epilepsy is 15.8%. Recent studies show the great contribution of genetic causes to the development of genetic epilepsy with febrile seizures plus (GEFS+). GEFS+ includes a combination of some febrile seizures with subsequent afebrile attack, or recurring febrile seizures after 6 years. The genetic causes of GEFS+ are both monogenic (in particular, disorders in the SCN1B, SCN1A, GABRG2, GABRD, SCN9A, STX1B, HCN1 genes, etc.) and copy number variations. Twin methods suggest that different genetic factors play a role in the case of FS, FS+ and FS with subsequent epilepsy. Genetic cause can be found in about 30% of cases, that affects not only the final diagnosis and prognosis for the patient, but also the prevention of disease in the family. In GEFS+ seizures are usually generalized tonic-clonic, less often myoclonic, myoclonic-atonic seizures, absences and status epilepticus, but sometimes they also describe focal seizures. The clinical picture of patients with GEFS+ varies from family febrile seizures (the least severe cases) to Drave-like syndrome (the most severe cases), although all of them have a predominantly normal level of intellect.
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series Эпилепсия и пароксизмальные состояния
spelling doaj-art-9d356ce0c46e4ba0b0f319b3b36ea2942025-08-20T02:54:04ZrusIRBIS LLCЭпилепсия и пароксизмальные состояния2077-83332311-40882020-07-01121S10.17749/2077-8333.2020.12.1S.S50-S56490Genetic epilepsy with febrile seizures plus (GEFS+)A. A. Sharkov0Veltischev Research and Clinical Institute for Pediatrics of the Pirogov Russian National Research Medical UniversityFebrile seizures (FS) occur in about 2–3% of children aged 3 months to 5 years. Atypical febrile seizures are those with a focal component. Each subsequent febrile attack increases the risk of transformation into epilepsy. After the third febrile seizure, the risk of additional episodes of febrile seizures is already approaching 50%, and the risk of formation of epilepsy is 15.8%. Recent studies show the great contribution of genetic causes to the development of genetic epilepsy with febrile seizures plus (GEFS+). GEFS+ includes a combination of some febrile seizures with subsequent afebrile attack, or recurring febrile seizures after 6 years. The genetic causes of GEFS+ are both monogenic (in particular, disorders in the SCN1B, SCN1A, GABRG2, GABRD, SCN9A, STX1B, HCN1 genes, etc.) and copy number variations. Twin methods suggest that different genetic factors play a role in the case of FS, FS+ and FS with subsequent epilepsy. Genetic cause can be found in about 30% of cases, that affects not only the final diagnosis and prognosis for the patient, but also the prevention of disease in the family. In GEFS+ seizures are usually generalized tonic-clonic, less often myoclonic, myoclonic-atonic seizures, absences and status epilepticus, but sometimes they also describe focal seizures. The clinical picture of patients with GEFS+ varies from family febrile seizures (the least severe cases) to Drave-like syndrome (the most severe cases), although all of them have a predominantly normal level of intellect.https://www.epilepsia.su/jour/article/view/549genetic epilepsy with febrile seizures plusgefs+scn1bscn1agabrg2gabrdscn9astx1bhcn1
spellingShingle A. A. Sharkov
Genetic epilepsy with febrile seizures plus (GEFS+)
Эпилепсия и пароксизмальные состояния
genetic epilepsy with febrile seizures plus
gefs+
scn1b
scn1a
gabrg2
gabrd
scn9a
stx1b
hcn1
title Genetic epilepsy with febrile seizures plus (GEFS+)
title_full Genetic epilepsy with febrile seizures plus (GEFS+)
title_fullStr Genetic epilepsy with febrile seizures plus (GEFS+)
title_full_unstemmed Genetic epilepsy with febrile seizures plus (GEFS+)
title_short Genetic epilepsy with febrile seizures plus (GEFS+)
title_sort genetic epilepsy with febrile seizures plus gefs
topic genetic epilepsy with febrile seizures plus
gefs+
scn1b
scn1a
gabrg2
gabrd
scn9a
stx1b
hcn1
url https://www.epilepsia.su/jour/article/view/549
work_keys_str_mv AT aasharkov geneticepilepsywithfebrileseizuresplusgefs