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- Title
Diagnostic Approach to Genetic Causes of Early-Onset Epileptic Encephalopathy.
- Authors
Gürsoy, Semra; Erçal, Derya
- Abstract
Epileptic encephalopathies are characterized by recurrent clinical seizures and prominent interictal epileptiform discharges seen during the early infantile period. Although epileptic encephalopathies are mostly associated with structural brain defects and inherited metabolic disorders, pathogenic gene mutations may also be involved in the development of epileptic encephalopathies even when no clear genetic inheritance patterns or consanguinity exist. The most common epileptic encephalopathies are Ohtahara syndrome, early myoclonic encephalopathy, epilepsy of infancy with migrating focal seizures, West syndrome and Dravet syndrome, which are usually unresponsive to traditional antiepileptic medication. Many of the diagnoses describe the phenotype of these electroclinical syndromes, but not the underlying causes. To date, approximately 265 genes have been defined in epilepsy and several genes including STXBP1, ARX, SLC25A22, KCNQ2, CDKL5, SCN1A, and PCDH19 have been found to be associated with early-onset epileptic encephalopathies. In this review, we aimed to present a diagnostic approach to primary genetic causes of early-onset epileptic encephalopathies.
- Subjects
HEPATIC encephalopathy; TREATMENT of epilepsy; CONSANGUINITY; PARTIAL epilepsy; INFANTILE spasms; OPSOCLONUS-Myoclonus syndrome; ELECTROENCEPHALOGRAPHY; THERAPEUTICS
- Publication
Journal of Child Neurology, 2016, Vol 31, Issue 4, p523
- ISSN
0883-0738
- Publication type
Article
- DOI
10.1177/0883073815599262