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Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
Verbal memory after epilepsy surgery in childhood.
Joost Meekes1, Olga Braams, Kees P J Braun
1Sector of Neuropsychology for Children and Adolescents, Brain Center Rudolf Magnus, University Medical Center Utrecht, Room KG 01.327.1, P.O. Box 85090, 3508 AB Utrecht, The Netherlands; Bio Research Center for Children, Wekeromseweg 8, 6816 VS Arnhem, The Netherlands.
Epilepsy surgery can improve verbal memory overall, but individual outcomes vary significantly. Left temporal lobe resections pose a higher risk for verbal memory decline in children post-surgery.
Area of Science:
- Pediatric Neurology
- Neuropsychology
- Epileptology
Background:
- Epilepsy surgery is a treatment option for children with refractory epilepsy.
- Assessing the impact of surgery on cognitive functions like verbal memory is crucial.
Purpose of the Study:
- To evaluate verbal memory changes in children after epilepsy surgery.
- To examine individual patient outcomes and the influence of surgical site (temporal lobe) on memory.
Main Methods:
- Prospective controlled study of 21 children undergoing epilepsy surgery.
- Comprehensive verbal memory assessments pre-surgery and at 6, 12, and 24 months post-surgery.
- Standardized regression-based (SRB) analysis for individual change assessment compared to controls.
Main Results:
- Group-wise verbal memory scores improved post-surgery.
- Significant individual variability in verbal memory outcomes was observed.
- Children with left temporal lobe resections showed poorer verbal memory than predicted; others largely maintained baseline performance.
Conclusions:
- Verbal memory remains vulnerable in children undergoing left temporal lobe resections, even after seizure control.
- Most children with other surgical approaches maintained their pre-surgical verbal memory levels.
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