ArticlePediatric reports2026
Nationwide Study of Pediatric Drug-Resistant Epilepsy in Estonia: Lower Incidence and Insights into Etiology.
Article in Pediatric reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Population-Based Study of Drug-Resistant Epilepsy Before Age Two: Predominance of Developmental and Epileptic Encephalopathies.Neurology international · 2026Article
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9 authors.
Funding
Abstract
BACKGROUND/
objectivesDrug-resistant epilepsy (DRE) is a significant health problem leading to cognitive impairment and reduced quality of life. This study aimed to investigate the incidence and etiology of DRE in children in Estonia.
methodsA retrospective, population-based study of childhood DRE was conducted in Estonia from 1 January 2013, to 31 December 2017. All cases were identified through the only two pediatric neurology departments in the country, both located at tertiary care hospitals (Tartu University Hospital and Tallinn Children's Hospital), ensuring complete nationwide coverage. Epidemiological, magnetic resonance imaging (MRI), and genetic data (chromosomal microarray, single-gene tests, gene panels, and exome/genome sequencing) were collected.
resultsThe incidence rate of childhood epilepsy was 84.1 per 100,000. DRE developed in 10% of children with new-onset epilepsy, corresponding to an incidence rate of 8.5 per 100,000. Etiologically relevant MRI abnormalities were identified in 43% of patients with DRE, most commonly congenital brain malformations (19%). Pathogenic single-gene sequence variants were detected in 25 of 110 patients (23%), copy number variants in four patients (4%), and chromosomal aberrations in one patient (1%). Novel candidate disease genes of uncertain pathogenicity were identified in four patients (4%). The most frequent etiology of DRE was structural (29%), followed by genetic (19%), with combined etiologies (13%) also contributing significantly.
conclusionsOur study is the first epidemiological study of DRE in children in Estonia and the Baltic region. The relatively low incidence observed may reflect the comprehensive national ascertainment and centralized management of pediatric epilepsy in tertiary care centers.
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