Risk factors predicting refractoriness in epileptic children with partial seizures
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Updated: Jul 13, 2026

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
Sakir Altunbasak1, Ozlem Herguner, H Refik Burgut
1Department of Pediatric Neurology, Cukurova University, Medical Faculty, Adana, Turkey. sakira@cu.edu.tr
Insights
Identifying risk factors for intractable childhood epilepsy is crucial. Factors like neurological abnormalities and seizure type predict therapy resistance, guiding early intervention and surgical referral for better outcomes.
Area of Science:
- Neurology
- Pediatric Epilepsy
Background:
- Childhood epilepsy affects numerous children globally.
- Intractability to therapy poses significant challenges in pediatric epilepsy management.
Purpose of the Study:
- To identify risk factors associated with therapy intractability in childhood epilepsy.
- To guide early referral for specialized treatment, including epilepsy surgery.
Main Methods:
- Retrospective study comparing 50 children with intractable epilepsy to a control group.
- Statistical analysis including chi-squared tests, odds ratio calculation, and logistic multiple regression.
Main Results:
- Univariate analysis identified mental retardation, neurological/neuroradiological abnormalities, perinatal anoxia, neonatal convulsions, status epilepticus, and symptomatic etiology as significant risk factors.
- Multivariate analysis confirmed age at seizure onset, status epilepticus, mixed seizure types, and frequent seizures as independent risk factors.
- The intractable epilepsy group used a significantly higher number of antiepileptic drugs.
Conclusions:
- Specific clinical and etiological factors predict intractable epilepsy in children.
- Early identification of these risk factors is essential for timely referral to specialized epilepsy centers, potentially for surgical evaluation.
Abstract:
The aim of this retrospective study was to determine the risk factors associated with intractability to therapy in childhood epilepsy. Fifty children with intractable epilepsy as evidenced by at least 1 epileptic fit per month were included in the study group, whereas the control group consisted of children who did not experience any recurrent seizure for at least 1 year at the time of the study. A chi( 2) test was used to evaluate the relationship between the test variables for the 2 groups, and the estimated relative risk (odds ratio) for each variable was calculated. The risk factors were subsequently determined by logistic multiple regression analysis. Univariate analysis showed that mental retardation, neurological abnormality, neuroradiological abnormality, perinatal anoxia, neonatal convulsion, presence of status epilepticus, and symptomatic etiology were significant risk factors for the development of refractory epilepsy (P < .05). For multivariate logistic regression analysis, age at seizure onset, status epilepticus, mixed type of seizures, and history of frequent seizures (more than once a month) were all found to be significant and independent risk factors for refractory epilepsy, and the number of drugs used in the study group was significantly higher than that in the control group (P < .05). In line with these findings, it was concluded that children who present with epilepsy and have these risk factors should be referred to a center where epileptic surgery is carried out without delay.
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