Outcome from coma after cardiopulmonary resuscitation

We studied the effect of seizures and myoclonus following cardiopulmonary resuscitation (CPR) on the outcome of all comatose adult survivors of CPR over an 8-year period. Either seizures or myoclonus occurred in 50 of 114 patients (44%): seizures in 41 patients (36%) and myoclonus in 40 (35%). Status epilepticus or status myoclonus occurred in 36 patients (32%), and 19 (17%) had myoclonic status epilepticus (MSE). Seizures and myoclonus per se were not significantly related to outcome, but status epilepticus, status myoclonus, and, particularly, MSE were predictive of poor outcome as judged by survival and recovery of consciousness.

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