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(Stroke. 1995;26:543-549.)
© 1995 American Heart Association, Inc.
Articles |
Early Determination of Neurological Outcome After Prehospital Cardiopulmonary Resuscitation
From the Departments of Neurology (K.B., G.L., L.S.), Internal Medicine (P.L., F.D.), Anesthesiology and Intensive Care Medicine (A.S.), and Magnetic Resonance (S.F., F.A), University Hospital Innsbruck; and the Department of Statistics, University Innsbruck (C.T.) (Austria).
Correspondence to Dr Klaus Berek, Universitätsklinik für Neurologie, Anichstraße 35, A-6020 Innsbruck, Austria.
Background and Purpose Although there are various methods of determining neurological prognosis after cardiopulmonary resuscitation, the final outcome of patients often remains unclear for quite a long time.
Methods We investigated 30 consecutively admitted patients who had been successfully resuscitated by the team of the local mobile intensive care unit after cardiac arrest. Determinations of the period of anoxia and of the cardiopulmonary resuscitation time, clinical investigation, echocardiography, electroencephalography, evoked potentials, magnetic resonance imaging, and magnetic resonance spectroscopy were performed.
Results Demonstration of brain lactate in proton magnetic resonance spectroscopy (P<.01) and absent N20 waves in short-latency somatosensory evoked potentials (P<.01) proved to be significant in terms of a poor prognosis. Correlations between both duration of anoxia and cardiopulmonary resuscitation time and neurological outcome could be shown as well (both P<.05).
Conclusions Proton magnetic resonance spectroscopy and short-latency evoked potentials are of great benefit in the prognostic evaluation after cardiopulmonary resuscitation.
Key Words: cardiopulmonary resuscitation • evoked potentials • prognosis • spectroscopy, nuclear magnetic resonance
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