Abstract

Researchers at University Medical Center Utrecht, The Netherlands and other centers review the pathophysiology, clinical relevance, identification, and interpretation of high-frequency oscillations (HFOs, >80Hz) in the epileptic EEG.

Highlights

  • Researchers at University Medical Center Utrecht, The Netherlands and other centers review the pathophysiology, clinical relevance, identification, and interpretation of high-frequency oscillations (HFOs, >80Hz) in the epileptic EEG

  • Of 19 pediatric patients with NCSE identified from the database of the Columbia University Epilepsy Center, 6 had periodic lateralized epileptiform discharges (PLEDS), and 1 had generalized PEDS

  • Prompt recognition of NCSE by continuous EEG monitoring should lead to early treatment and improved prognosis

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Summary

Introduction

Researchers at University Medical Center Utrecht, The Netherlands and other centers review the pathophysiology, clinical relevance, identification, and interpretation of high-frequency oscillations (HFOs, >80Hz) in the epileptic EEG. Risk factors for NCSE in children include a prior clinical seizure and acute cortical imaging abnormality. If NCSE is suspected, continuous EEG monitoring is important in high-risk neonates in the ICU and in children and adolescents with disturbed consciousness and symptoms of encephalopathy.

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