The prognostic value of discontinuous EEG patterns in postanoxic coma

Early outcome prediction of comatose patients after cardiac arrest remains a challenge. The EEG is a sensitive and reliable tool, especially within the first 24 hours after cardiac arrest (Hofmeijer and Van Putten, 2016). A timely restoration of continuous, normal amplitude background activity is essential for good neurological recovery. Consistently among various studies, a continuous EEG pattern within 12 hours after cardiac arrest predicts a good outcome, whereas a persistent isoelectric or low-voltage EEG at 24 hours predicts a poor outcome (Sivaraju et al., 2015; Sondag et al., 2017; Spalletti et al., 2016).

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