Article,

Epilepsy in children with cerebral palsy.

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J Child Neurol, 18 (3): 174--179 (March 2003)

Abstract

To study the spectrum of epilepsy in children with cerebral palsy, 105 consecutive children with cerebral palsy and active epilepsy, between 1 and 14 years of age, were studied prospectively. A detailed history and examination, electroencephalography (EEG), and computed tomography (CT) were done in all cases. The social quotient was assessed using the Vineland Social Maturity Scale. A retrospective cohort of 452 cases of cerebral palsy was studied to find the prevalence of epilepsy in cerebral palsy. A control group of 60 age-matched children with cerebral palsy but no epilepsy was also studied for comparison of the social quotient. Of the 105 children, 65 were male, 40 of 105 (38\%) had a history of birth asphyxia. The mean age of onset of seizures was 18.9 months; 64 (60.95\%) had seizure onset before 1 year of age. Children with myoclonic seizures (P < .05) and infantile spasms (P < .01) had seizure onset significantly early in life. Generalized seizures were the most common, followed by partial seizures, infantile spasms, and other myoclonic seizures. Seizures were controlled in 45 (58.1\%) children, and polytherapy was required in 40 children. EEG and CT abnormalities were seen in 70.5\% and 61\% of the children. Seizure control was achieved in 74\% of the patients with a normal to borderline social quotient compared with 48.7\% with a social quotient less than 70. Social quotient values had a positive correlation with age of onset of seizures (P < .01) and with better control of seizures (P < .01). Of the cohort of 452 children, 160 (35.4\%) had epilepsy. The maximum incidence (66\%) was seen in children with spastic hemiplegia, followed by quadriplegia (42.6\%) and diplegia (15.8\%). Epilepsy in cerebral palsy is seen in about one third of cases; it is often severe and difficult to control particularly in children with mental retardation.

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