[Predictive variables for mental retardation in a Pediatric Epilepsy Monitoring Unit. Neuropsychological assessment]
A López-Sala1, A Palacio-Navarro, A Donaire
1Hospital Sant Joan de Déu, Esplugues de Llobregat, España. annalopez@hsjdbcn.org
Insights
Pediatric intractable epilepsy beginning before 24 months of age is linked to a higher risk of mental retardation. Early seizure onset, EEG findings, and epilepsy cause are key risk factors for cognitive impairment in children.
Area of Science:
- Pediatric Neurology
- Epileptology
- Developmental Neuroscience
Context:
- Intractable epilepsy in children presents significant challenges to normal cognitive development.
- Understanding risk factors for mental retardation is crucial for early intervention and management.
- The Pediatric Epilepsy Monitoring Unit (PEMU) provides specialized care for pediatric epilepsy patients.
Purpose:
- To analyze epidemiological and clinical data of pediatric patients with intractable epilepsy.
- To identify risk factors associated with mental retardation in this population.
- To evaluate the relationship between epilepsy characteristics and cognitive outcomes.
Summary:
- A retrospective review of 158 pediatric patients with intractable epilepsy (age >3 years) was conducted.
- Patients with epilepsy onset before 24 months showed a significantly higher prevalence of mental retardation (68.3%) compared to later onset (27.7%).
- Seizure onset, electroencephalography (EEG) findings, and epilepsy etiology were identified as significant risk factors for mental retardation.
Impact:
- Early seizure onset, multifocal epilepsy, and cryptogenic etiology are associated with poorer cognitive development in pediatric intractable epilepsy.
- These findings can inform prognosis and guide therapeutic strategies for children with intractable epilepsy.
- Highlights the importance of early diagnosis and intervention for epilepsy with cognitive implications.
Aim:
We sought to describe the epidemiological and clinical data from our patients in the Pediatric Epilepsy Monitoring Unit (PEMU) of the Sant Joan de Deu Hospital of Barcelona, and determine the variables of risk for mental retardation.
Patients And Methods:
A retrospective review of PEMU reports and hospital discharge summaries from March 2005 to December 2008 was conducted. The data from patients with intelligence quotient (IQ) estimated, older than 3 years of age and with epileptic electroencephalography (EEG) activity was analyzed in 158 patients (8.8 +/- 5.2 years; 55.1% boys). Of those pediatric patients, 63 had IQ less than 70 and 47 an IQ greater than or equal to 70. Intractable epilepsy was present in all of them.
Results:
The percentage of the patients with mental retardation is significantly higher in patients with onset of epilepsy before 24 months (68.3%) than patients with later onset (27.7%). Onset of seizures, EEG findings and epilepsy etiology are significant risk factors for mental retardation.
Conclusions:
Early age at seizure, multifocal epilepsy and cryptogenic etiology are factors of worse prognosis to normal development of cognitive functions in pediatric intractable epilepsy.
