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Cognitive Outcome After Epilepsy Surgery in Children
Ahsan N V Moosa1, Elaine Wyllie2
1Department of Neurology, Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH,.
Seminars in Pediatric Neurology
|December 19, 2017
Summary
Epilepsy surgery offers varied cognitive outcomes for children, with most experiencing no change, some improving, and a few declining. Understanding the brain
Area of Science:
- Pediatric Neurology
- Neuroscience
- Epileptology
Background:
- Cognitive dysfunction in children with epilepsy is multifactorial, influenced by etiology, seizure activity, discharge frequency, and antiepileptic drugs.
- Epilepsy surgery's impact on cognition is complex, depending on the function within the epileptogenic zone and epilepsy-induced dysfunction elsewhere.
Purpose of the Study:
- To analyze the cognitive outcomes in children following epilepsy surgery.
- To identify factors influencing cognitive changes after epilepsy surgery.
Main Methods:
- Review of studies reporting cognitive outcomes in pediatric epilepsy surgery patients.
- Analysis of factors such as epileptogenic zone function and surrounding brain dysfunction.
Main Results:
- Approximately 70% of children experience no significant cognitive change post-surgery.
- Cognitive improvement is observed in 10%-15% of cases, while a similar percentage (10%-15%) show cognitive decline.
- Younger children with epileptic encephalopathy may have better cognitive recovery due to larger reversible dysfunction.
Conclusions:
- Epilepsy surgery outcomes vary, with potential for improvement, decline, or stability in cognitive function.
- Resection of the epileptogenic zone can lead to cognitive decline if it harbors critical functions like memory or language.
- Understanding the pathophysiology of cognitive changes is crucial for pre-surgical counseling in pediatric epilepsy.
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