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Invited Commentary
Critical Care Medicine
April 28, 2020

Evaluating the Prognostic Utility of Intermittent vs Continuous Electroencephalography in Comatose Survivors of Cardiac Arrest

Author Affiliations
  • 1Department of Neurology, Northwestern University, Chicago, Illinois
  • 2Department of Anesthesiology, Northwestern University, Chicago, Illinois
JAMA Netw Open. 2020;3(4):e203743. doi:10.1001/jamanetworkopen.2020.3743

The use of continuous electroencephalography (cEEG) in the care of patients who are comatose after cardiac arrest has become common at tertiary care centers, but there are few data to clarify whether this costly and resource-intensive approach is superior to routine (ie, 20- to 40-minute duration) EEG assessments.1,2 There are 2 potential indications for EEG monitoring in this population of patients, as follows: to identify epileptic activity that is potentially amenable to treatment and to obtain prognostic information. Apart from clinical observation of convulsive movements, it is often impossible to predict whether potentially treatable findings will be observed, so EEG is often pursued based on both indications.

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