2021
High epileptiform discharge burden predicts delayed cerebral ischemia after subarachnoid hemorrhage
Kim JA, Zheng WL, Elmer J, Jing J, Zafar SF, Ghanta M, Moura V, Gilmore EJ, Hirsch LJ, Patel A, Rosenthal E, Westover MB. High epileptiform discharge burden predicts delayed cerebral ischemia after subarachnoid hemorrhage. Clinical Neurophysiology 2021, 141: 139-146. PMID: 33812771, PMCID: PMC8429508, DOI: 10.1016/j.clinph.2021.01.022.Peer-Reviewed Original ResearchConceptsED burdenSubarachnoid hemorrhageEpileptiform dischargesCerebral ischemiaSAH patientsHigh riskOnset of DCIMajor risk periodContinuous EEG recordingsDCI patientsDCI riskRetrospective analysisNovel biomarkersGroup-based trajectory analysisRisk periodPatientsDay 3.5DCIBurdenHemorrhageIschemiaRiskEEG recordingsBurden rateUseful parameter
2004
Quantitative continuous EEG for detecting delayed cerebral ischemia in patients with poor-grade subarachnoid hemorrhage
Claassen J, Hirsch LJ, Kreiter KT, Du EY, Connolly ES, Emerson RG, Mayer SA. Quantitative continuous EEG for detecting delayed cerebral ischemia in patients with poor-grade subarachnoid hemorrhage. Clinical Neurophysiology 2004, 115: 2699-2710. PMID: 15546778, DOI: 10.1016/j.clinph.2004.06.017.Peer-Reviewed Original ResearchConceptsPoor-grade subarachnoid hemorrhageDetection of DCISAH patientsSubarachnoid hemorrhageCerebral ischemiaQEEG parametersClinical examHunt-Hess grade 4Poor-grade SAH patientsPost-operative day 2Continuous EEG monitoringInitiation of interventionsAlpha/delta ratioQuantitative EEG parametersNeurological morbidityDCI patientsNeuro-ICUMedian decreasePatientsDay 1EEG monitoringDay 2Day 14Day 4Reasonable specificity