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Clin Electroencephalogr · Apr 1989
Epileptiform discharges in presence of continuous background activity in anoxic coma.
- V M Synek and N A Shaw.
- Department of Clinical Neurophysiology, Auckland Hospital, New Zealand.
- Clin Electroencephalogr. 1989 Apr 1;20(2):141-6.
AbstractThe EEGs of a group of patients in anoxic coma following cardiorespiratory arrest were retrospectively studied. Twelve of 70 patients had at least one EEG recorded during the acute period which consisted of epileptiform discharges in the presence of continuous diffuse background activity. Nine of the patients died while three made a generally favorable recovery. The analysis confirms the prediction of a recent revision of EEG grades in coma that this particular pattern of activity is of uncertain prognostic significance. This is in contrast to the occurrence of epileptiform discharges during discontinuous "burst suppression" activity which generally indicates a fatal outcome.
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