• Epilepsia · Apr 2015

    Drug-induced EEG pattern predicts effectiveness of ketamine in treating refractory status epilepticus.

    • Maysaa M Basha, Abdulradha Alqallaf, and Aashit K Shah.
    • Department of Neurology, Detroit Medical Center, Wayne State University, Detroit, Michigan, U.S.A.
    • Epilepsia. 2015 Apr 1; 56 (4): e44-8.

    AbstractRefractory status epilepticus (RSE) can lack overt clinical manifestation and is usually treated with continuous infusion of intravenous anesthetic drugs (IVADs), where the use of continuous electroencephalography (cEEG) is imperative. Ketamine has recently been shown to be effective in the treatment of RSE. We retrospectively review a cohort of 11 patients receiving ketamine as part of their treatment regimen for RSE. We report on the presence of a characteristic EEG rhythm consisting of a generalized archiform theta to beta rhythms (7-20 Hz) appearing after ketamine administration. This pattern was seen in five patients, four of whom achieved successful resolution of RSE. Ketamine-induced EEG pattern may serve as a biomarker predictive of successful treatment outcome in RSE.Wiley Periodicals, Inc. © 2015 International League Against Epilepsy.

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