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Epilepsy in children with cerebral palsy
Insights
Epilepsy is common in children with cerebral palsy (CP), often starting early and requiring complex treatments. Factors like normal intelligence and spastic diplegia can improve seizure control in these children.
Area of Science:
- Neurology
- Pediatrics
- Developmental Pediatrics
Background:
- Epilepsy affects a significant portion of children with cerebral palsy (CP), but its clinical characteristics and prognosis are not well understood.
- Understanding epilepsy in CP is crucial for improving patient outcomes and management strategies.
Purpose of the Study:
- To investigate the prevalence, clinical features, and prognosis of epilepsy in children with cerebral palsy.
- To compare the epilepsy characteristics in children with CP to a control group of typically developing epileptic children.
Main Methods:
- Retrospective review of 85 children with CP seen at a neurodevelopmental clinic between 1990-1995.
- Analysis of epilepsy characteristics, including onset, seizure types, treatment, and outcomes, in 32 children with CP and epilepsy.
- Comparison with a control group of 59 epileptic children without CP.
Main Results:
- Epilepsy was present in 32 of 85 children with CP, most commonly in those with spastic tetraplegia and mental subnormality.
- Children with CP had earlier epilepsy onset, more neonatal seizures, status epilepticus, polytherapy, and second-line drug use compared to controls.
- Lower incidence of generalized seizures and seizure freedom was observed in children with CP.
Conclusions:
- Epilepsy is a frequent and often severe comorbidity in children with cerebral palsy.
- Normal intelligence, single seizure type, monotherapy, and spastic diplegia were associated with a better seizure-free prognosis in this cohort.
- Further research with larger sample sizes is needed to fully elucidate prognostic factors for epilepsy in children with CP.
Abstract:
Epilepsy occurs in 15-60% of children with cerebral palsy; however, its clinical course is not well defined. This retrospective study reviewed the prevalence, nature, and prognosis of epilepsy in cerebral palsy. Thirty-two of 85 children with cerebral palsy seen in the Neurodevelopmental Clinic in Tuen Mun Hospital between 1990 and 1995 had epilepsy. A control group of 59 epileptic children with normal neurodevelopment status was seen during the same period. Epilepsy most commonly affected patients with spastic tetraplegia and those with mental subnormality. When compared with controls, children with cerebral palsy had a higher incidence of epilepsy with onset within the first year of age (47% vs 10%), history of neonatal seizures (19% vs 3%), status epilepticus (16% vs 1.7%), polytherapy (25% vs 3%), and treatment with second-line antiepileptic drugs (31% vs 6.7%). They had a lower incidence of generalized seizures (28% vs 59%) and remaining seizure free (37% vs 90%). Factors associated with a seizure-free period of 1 year or more in epileptic children with cerebral palsy were normal intelligence, single seizure type, monotherapy, and spastic diplegia. Epilepsy was common in children with cerebral palsy. Further larger studies are required to delineate other prognostic factors.