Intracortical EEG for the Detection of Vasospasm in Patients with Poor-Grade Subarachnoid Hemorrhage
Stuart RM, Waziri A, Weintraub D, Schmidt MJ, Fernandez L, Helbok R, Kurtz P, Lee K, Badjatia N, Emerson R, Mayer SA, Connolly ES, Hirsch LJ, Claassen J. Intracortical EEG for the Detection of Vasospasm in Patients with Poor-Grade Subarachnoid Hemorrhage. Neurocritical Care 2010, 13: 355-358. PMID: 20652443, DOI: 10.1007/s12028-010-9414-6.Peer-Reviewed Original ResearchConceptsPoor-grade SAH patientsAlpha/delta ratioDetection of vasospasmSAH patientsPoor-grade subarachnoid hemorrhageIntracortical electroencephalographyQuantitative EEG parametersQuantitative EEG analysisAngiographic confirmationAngiographic vasospasmSubarachnoid hemorrhageSustained decreaseVasospasmPatientsBaseline EEGPercent changeDepth electrodesQEEG recordingsLarger studySurface EEGDelta ratioIntracortical EEGEEG parametersAlarm criteriaBaseline