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Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients
Published on: December 18, 2016
Outcome of surgery in 40 children with temporal-lobe epilepsy
Insights
Pediatric temporal-lobe epilepsy often originates from mesial temporal sclerosis, frequently caused by severe infantile febrile convulsions. Surgery yields the best seizure and behavioral outcomes when this specific lesion is identified during operation.
Area of Science:
- Neurology
- Pediatric Epilepsy
- Neurosurgery
Background:
- Temporal-lobe epilepsy (TLE) frequently originates in childhood.
- Mesial temporal sclerosis (MTS) is a common lesion associated with TLE.
- Severe febrile convulsions in infancy may be a precursor to MTS and subsequent epilepsy.
Purpose of the Study:
- To evaluate the long-term surgical outcomes in children with TLE.
- To determine the correlation between specific lesions and surgical success.
- To investigate the role of infantile febrile convulsions in the etiology of TLE.
Main Methods:
- Follow-up study of 40 pediatric patients (≤15 years) who underwent anterior temporal lobectomy.
- Duration of follow-up ranged from 1 to 24 years.
- Analysis of seizure relief and behavioral outcomes in relation to intraoperative findings, specifically MTS.
Main Results:
- Surgical outcomes in children mirror those established in adults.
- Optimal seizure control and behavioral improvement were achieved when MTS was the identified lesion.
- A history of severe febrile convulsions in infancy was frequently associated with MTS and epilepsy development.
Conclusions:
- Anterior temporal lobectomy is effective in managing pediatric TLE.
- Identifying mesial temporal sclerosis during surgery is crucial for predicting successful outcomes.
- Early childhood febrile seizures are a significant risk factor for developing chronic epilepsy due to MTS.
Abstract:
Temporal-lobe epilepsy commonly has its origins in childhood, particularly when the lesion involved is mesial temporal (Ammon's horn) Sclerosis. Evidence suggests that this lesion is probably a common cause of chronic epilepsy in adults and that often it is probably the result of a severe febrile convulsion in infancy. 40 children, fifteen years of age and younger, who had an anterior temporal lobectomy were followed up for one to twenty-four years. The findings confirm those already established in adults, that the best results of surgery, not only in seizure relief but also in behaviour, are obtained when mesial temporal sclerosis is the lesion found at operation, and also indicate that a severe febrile convulsion in infancy is often the chief provocative factor in the development of epilepsy.
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