[Epileptiform activity in nonepileptic children: clinical-electroencephalographic correlations]
Insights
Epileptiform activity, often benign, is found in nearly 2% of children without epilepsy, primarily in boys and linked to neurological issues. Further research is needed to understand its causes and management.
Area of Science:
- Pediatric Neurology
- Neurophysiology
Background:
- Epileptiform activity (EA) is typically associated with epilepsy.
- Understanding EA in non-epileptic children is crucial for accurate diagnosis and management.
Purpose of the Study:
- To determine the population-based frequency of EA in children without epilepsy.
- To investigate the clinical and neuropsychological characteristics associated with EA in this cohort.
Main Methods:
- Electroencephalographic (EEG) examination of 1920 children.
- Clinical and neuropsychological assessments were performed concurrently.
- Analysis of demographic, regional, and hemispheric patterns of EA.
Main Results:
- A population-based frequency of 1.93% for EA was observed in children without epilepsy.
- EA was more prevalent in boys (73%) and peaked at ages 4-5 and 7-8 years.
- Benign epileptiform discharges of childhood (BEDC) were common (86.5%), often involving the left hemisphere (56.2%).
- Mild to moderate neurological/neuropsychological abnormalities were noted in most cases (e.g., ADHD, speech delay, headaches).
- 13.5% of children with EA had no associated symptoms or abnormalities.
Conclusions:
- EA in non-epileptic children may indicate age-dependent brain dysfunction mechanisms.
- Further studies are required to elucidate the pathophysiology and develop corrective strategies for EA in this population.
Abstract:
Frequency of epileptiform activity in children without epilepsy has been studied in 1920 patients who underwent electroencephalographic examination along with clinical and neuropsychological assessment. The population-based frequency of epileptiform activity was 1,93%. It was found mainly in boys (73%) and was the highest at ages 4-5 and 7-8 years. Regional patterns, especially benign epileptiform discharges of childhood, were found in most cases (86,5%) with predominant involvement of the left hemisphere (56,2%). In most patients, mild to moderate neurological and neuropsychological abnormalities, i.e. chronic headaches, attention deficit hyperactivity disorder, speech delay, enuresis, breath-holding spells, cerebral palsy, tics, were observed. Neither subjective complaints no neurological, cognitive abnormalities were noted in 13,5% of cases. The results obtained suggest that epileptiform activity in non-epileptic children may reflect age-dependent mechanisms of brain dysfunction. Futher studies are needed to elucidate pathogenetic mechanisms of this electroclinical association and to elaborate standards of its correction in this group of children.
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