Is Electroencephalography Useful in Children with Developmental Delays but without Overt Seizures?

Purpose: Electroencephalography (EEG) is useful for clarifying the association between cortical activity and cognitive processes in children. We investigated whether EEG abnormalities were correlated with developmental delay/intellectual disability (DD/ID) in the absence of clinical seizures. Method...

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Veröffentlicht in:Annals of child neurology 2024, 32(2), , pp.105-114
Hauptverfasser: Lee, Yoo Jung, Jo, Yoon Hee, Choi, Soo Han, Yoo, Hye Won, Jo, Ha Young, Park, Su Jeong, Park, Kyung Hee, Kong, Ju Hyun, Lee, Yun Jin, Nam, Sang Ook, Kim, Young Mi
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Sprache:eng
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Zusammenfassung:Purpose: Electroencephalography (EEG) is useful for clarifying the association between cortical activity and cognitive processes in children. We investigated whether EEG abnormalities were correlated with developmental delay/intellectual disability (DD/ID) in the absence of clinical seizures. Methods: We retrospectively identified 166 children with DD/ID who underwent EEG at Pusan National University Hospital between January 2011 and December 2021. We compared clinical characteristics and test results between those with normal and those with abnormal EEGs. Additionally, we analyzed EEG abnormalities in relation to neurodevelopmental disorders, specifically autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD). Results: Of the 166 patients, 39 (23.5%) displayed abnormal EEGs, while 127 (76.5%) had normal EEGs. Of the former, 25 (64.1%) patients exhibited epileptiform discharges, including 22 (56.3%) with focal and three (7.7%) with generalized discharges. Focal discharges most frequently affected the central area (35.9%). Twenty patients (51.3%) exhibited rhythmic slowing patterns. Epilepsy diagnoses were significantly more common among patients with abnormal EEGs (n=8, 20.5%) than among those with normal EEGs (n=9, 7.1%) (P
ISSN:2635-909X
2635-9103
DOI:10.26815/acn.2024.00444