• Robin J Cook, Stephanie M Rau, Shannon G Lester-Pelham, Timothy Vesper, Yuki Peterson, Therese Adamowski, Julie Sturza, Faye S Silverstein, and Renée A Shellhaas.
• Division of Pediatric Neurology, Department of Pediatrics, Michigan Medicine, Ann Arbor, Michigan. Electronic address: johnsoro@med.umich.edu.
• Pediatr. Neurol. 2020 Jul 1; 108: 77-85.

BackgroundSingle-center studies suggest that up to 30% of children undergoing extracorporeal membrane oxygenation have electrographic seizures. The aim of this study was to characterize seizure prevalence, seizure risk factors, and brain injury prevalence in the pediatric extracorporeal membrane oxygenation population at a tertiary care children's hospital.MethodsWe performed a retrospective systematic review of medical records for 86 consecutive children (neonates to age 21 years) who received Neurology consults and continuous video electroencephalography while undergoing extracorporeal membrane oxygenation from November 2015 to September 2018.ResultsContinuous video electroencephalography was initiated in 86 of 170 children who required extracorporeal membrane oxygenation (51%); median duration of continuous vodeo electroencephalography was four days. Nineteen of 86 had electroencephalography-confirmed seizures (22%). Sixteen of 19 had seizures within the first 48 hours on continuous video electroencephalography. Interictal epileptiform discharges were a significant risk factor for seizures; 89% of those with seizures versus 46% of those without had interictal epileptiform discharges (P < 0.001, Fisher's exact test). Children with seizures also had higher pericannulation lactate (median 6.7, interquartile range of 4.3 to 19.0 for those with, and median 4.0, interquartile range of 2.0 to 7.3 for those without; P = 0.02, Mann-Whitney U test). Seizures were associated with hemorrhage on neuroimaging (68% of children with seizures had intracranial hemorrhage versus 34% of those without, P = 0.01, chi-square test).ConclusionApproximately half the children undergoing extracorporeal membrane oxygenation received continuous video electroencephalography during the study period, and 22% had seizures. Interictal epileptiform discharges and elevated pre-extracorporeal membrane oxygenation lactate levels were risk factors for seizures; seizures were associated with intracranial hemorrhage.Copyright © 2020 Elsevier Inc. All rights reserved.

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