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Catastrophic epilepsy in childhood.
1Division of Pediatric Neurology, Mattel Children's Hospital at UCLA, Los Angeles, California, USA. wshields@mednet.ucla.edu
Epilepsia
|July 8, 2000
Summary
Catastrophic childhood epilepsy, characterized by difficult-to-control seizures and intellectual disability, requires aggressive seizure management. Controlling seizures may improve intellectual development in some children with these severe epilepsy syndromes.
Area of Science:
- Pediatrics
- Neurology
- Developmental Neuroscience
Background:
- Epilepsy in children is often benign, but certain forms are classified as 'catastrophic' due to intractable seizures and intellectual disability.
- Catastrophic childhood epilepsies encompass rare disorders like early infantile epileptic encephalopathy with suppression burst and severe myoclonic epilepsy of infancy, alongside common syndromes such as infantile spasms and Lennox-Gastaut syndrome.
Purpose of the Study:
- To highlight the distinction between benign and catastrophic epilepsy in children.
- To explore the relationship between seizures and intellectual development in catastrophic epilepsy.
- To emphasize the importance of seizure control in mitigating cognitive deficits.
Main Methods:
- This study is a review of literature on catastrophic childhood epilepsies.
- It synthesizes information on the underlying causes, seizure characteristics, and developmental outcomes associated with these severe epilepsy syndromes.
- The review focuses on the impact of developmental plasticity on cognitive function in affected children.
Main Results:
- Many children with catastrophic epilepsy have co-occurring brain abnormalities leading to intellectual disability.
- In some cases, the seizures themselves, potentially exacerbated by developmental plasticity, appear to cause or worsen intellectual retardation.
- Effective seizure control presents an opportunity for improved intellectual development in these children.
Conclusions:
- Aggressive management and control of seizures are crucial in children diagnosed with catastrophic epilepsy.
- Intervention aimed at seizure reduction may positively influence cognitive outcomes, offering a pathway to more normal intellectual development.
- Understanding the interplay between seizures, brain plasticity, and cognitive development is key to optimizing care for these complex pediatric neurological conditions.