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[Early infantile epileptic encephalopathy]
A Martínez Bermejo1, C Roche, V López Martín
1Servicio de Neuropediatria, Hospital La Paz, Facultad de Medicina, Universidad Autónoma, Madrid.
Revista De Neurologia
|March 1, 1995
Summary
Early infantile epileptic encephalopathy (EIEE) is a severe epilepsy syndrome in infants. This study details four female cases, highlighting seizure onset, EEG patterns, and treatment resistance, suggesting EIEE as a distinct epilepsy classification.
Area of Science:
- Neurology
- Pediatric Neurology
- Epileptology
Background:
- Early infantile epileptic encephalopathy (EIEE), also known as Ohtahara syndrome, is a rare and severe form of epilepsy presenting in infancy.
- It represents the earliest age-related symptomatic generalized epilepsy, characterized by a distinct burst-suppression EEG pattern.
Observation:
- This study reports on four female infants diagnosed with EIEE, meeting classic diagnostic criteria.
- Seizures commenced within the first ten days of life in all cases.
- The initial EEG displayed a burst-suppression pattern, persisting for an average of 2.3 months.
Findings:
- Seizures were largely refractory to treatment, with only two cases showing partial response.
- Hemimegalencephaly was identified as an underlying factor in two patients; one of whom experienced seizure cessation after corticectomy.
- None of the patients progressed to West syndrome.
Implications:
- The findings support the classification of EIEE as a distinct epileptic encephalopathy, separate from other early-onset epilepsies.
- The study advocates for the inclusion of EIEE in the International Classification of Epilepsies alongside West and Lennox-Gastaut syndromes.
- Identifying underlying etiologies like hemimegalencephaly is crucial for potential targeted interventions.