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J Korean Soc Emerg Med > Volume 11(4); 2000 > Article
Journal of The Korean Society of Emergency Medicine 2000;11(4): 450-456.
Prognostic Value of Somatosensory Evoked Potentials in Comatose Patients after Cardiopulmonary Resuscitation
Se Min Choi, Dong Rul Oh, Seung Pil Choi, Kyu Nam Park, Se Kyung Kim
BACKGROUND: The improved technique for cardiopulmonary resuscitation(CPR) has resulted in the survival of many patient who experienced cardiac arrest. However, mortality in resuscitated patients is high, and the survival rate without brain damage is very low. Various neurological examination models, neuro-imaging techniques, electrophysiological procedures, and biochemical tests have been studied with respect to the detection of cerebral damage and outcome, but an early, reliable prediction of individual outcomes is still uncertain.
We studied twenty patient who had been in a coma for more than 24 hours after CPR, Somatosensory evoked potentials(SEP) were measured within the first three days after CPR.
Of the twenty patients, seven patients(35%) had a good outcome, and thirteen patients(65%) had a bad outcome. Of the eleven patients with loss of the cortical evoked potential's N20 peak, all had a bad outcome.
SEPs are of great benefit in prognostic evaluation after CPR.
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