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Updated: Aug 16, 2026

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
Epilepsy surgery outcome: comprehensive assessment in children
F Gilliam1, E Wyllie, J Kashden
1Department of Neurology, University of Alabama at Birmingham, 35294, USA.
Insights
Pediatric epilepsy surgery effectively eliminates seizures and reduces medication needs in most children. However, some health-related quality of life aspects may be lower post-surgery, warranting further study.
Area of Science:
- Pediatric Neurosurgery
- Epileptology
- Child Neurology
Background:
- Intractable epilepsy in children poses significant challenges.
- The long-term effects of temporal and extratemporal cortical resections are not fully understood.
- Evaluating comprehensive outcomes is crucial for pediatric epilepsy surgery.
Purpose of the Study:
- To assess seizure control, antiepileptic drug (AED) reduction, cognitive function, and health-related quality of life (HRQOL) after epilepsy surgery in children.
- To identify factors influencing surgical outcomes in pediatric epilepsy.
- To evaluate parental satisfaction with surgical results.
Main Methods:
- Retrospective analysis of 33 children undergoing epilepsy surgery before age 13.
- Assessment of seizure frequency, AED requirements, and cognitive function (IQ).
- Utilized the Child Health Questionnaire (CHQ) for HRQOL evaluation and compared with age-matched controls.
Main Results:
- 67% of children became seizure-free, and 9% had >90% seizure reduction.
- 30% discontinued AEDs, and 30% reduced their AEDs.
- Cognitive improvements were noted in 29% of tested children; mild adverse events occurred as anticipated.
- Lower scores in physical function, general health, and self-esteem domains of HRQOL were observed in the surgical group compared to controls.
Conclusions:
- Epilepsy surgery is effective in achieving seizure freedom and reducing AED burden in carefully selected pediatric patients.
- While cognitive function may improve and adverse events are generally manageable, specific HRQOL domains require further investigation.
- Parental satisfaction is high, but the impact on certain aspects of quality of life necessitates continued research and clinical attention.
Abstract:
The effect of extratemporal and temporal lobe cortical resection on children with intractable epilepsy is not well understood. We evaluated a comprehensive array of outcome variables in 33 consecutive children who received epilepsy surgery at 12 years of age or younger. Twenty-two (67%) children were seizure-free, three (9%) had a greater than 90% reduction in seizures, and four had no improvement. Antiepileptic drugs (AEDs) were not required in 10 (30%) children and were reduced in number in another 10. Six (29%) of 21 tested children had an improvement of greater than 10 points in Verbal or Performance IQ after surgery, while one (4%) had a decrease greater than 10 points in Verbal IQ. One mild hemiparesis and one inferior quadrantanopsia occurred; both were anticipated. We used the Child Health Questionnaire (CHQ), a valid and reliable instrument for children, to assess health-related quality of life (HRQOL). Six of 12 subscale scores of the CHQ were significantly lower in the surgical group compared with 410 age-matched control subjects. Parents were satisfied with surgical results in 28 (85%) cases. Pathologic tissue diagnosis and site of resection were not associated significantly with any outcome measure. We conclude that surgery eliminates seizures and reduces AED requirements in most children with intractable epilepsy selected by currently available methods. Further investigation is needed to establish the nature and significance of inferior scores in the surgical group in the HRQOL domains of physical function, general health, and self-esteem.
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