Consensus statement on continuous EEG in critically ill adults and children, part I: indications

Susan T Herman, Nicholas S Abend, Thomas P Bleck, Kevin E Chapman, Frank W Drislane, Ronald G Emerson, Elizabeth E Gerard, Cecil D Hahn, Aatif M Husain, Peter W Kaplan, Suzette M LaRoche, Marc R Nuwer, Mark Quigg, James J Riviello, Sarah E Schmitt, Liberty A Simmons, Tammy N Tsuchida, Lawrence J Hirsch
Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society 2015, 32 (2): 87-95

INTRODUCTION: Critical Care Continuous EEG (CCEEG) is a common procedure to monitor brain function in patients with altered mental status in intensive care units. There is significant variability in patient populations undergoing CCEEG and in technical specifications for CCEEG performance.

METHODS: The Critical Care Continuous EEG Task Force of the American Clinical Neurophysiology Society developed expert consensus recommendations on the use of CCEEG in critically ill adults and children.

RECOMMENDATIONS: The consensus panel recommends CCEEG for diagnosis of nonconvulsive seizures, nonconvulsive status epilepticus, and other paroxysmal events, and for assessment of the efficacy of therapy for seizures and status epilepticus. The consensus panel suggests CCEEG for identification of ischemia in patients at high risk for cerebral ischemia; for assessment of level of consciousness in patients receiving intravenous sedation or pharmacologically induced coma; and for prognostication in patients after cardiac arrest. For each indication, the consensus panel describes the patient populations for which CCEEG is indicated, evidence supporting use of CCEEG, utility of video and quantitative EEG trends, suggested timing and duration of CCEEG, and suggested frequency of review and interpretation.

CONCLUSION: CCEEG has an important role in detection of secondary injuries such as seizures and ischemia in critically ill adults and children with altered mental status.

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