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  • Title: Outcome of severe brain injury: a multimodality neurophysiologic study.
    Author: Rae-Grant AD, Eckert N, Barbour PJ, Castaldo JE, Gee W, Wohlberg CJ, Lin ZS, Reed JF.
    Journal: J Trauma; 1996 Mar; 40(3):40l-7. PubMed ID: 8601857.
    Abstract:
    We screened all head-injured trauma patients admitted to Lehigh Valley Hospital during a 2-year period. From 725 screened patients, 69 patients in a coma on the second day after trauma were entered into this study. During the first week, these patients underwent electroencephalography (EEG), evoked potentials, ocular pneumoplethysmography, and transcranial Doppler (TCD) sonography. Clinical examinations were undertaken 2 and 7 days after trauma. Test results were correlated with functional clinical outcome at 6 months. In a multiple regression analysis, EEG was the major independent variable that significantly predicted 6-month outcome based on Glasgow Outcome Scale score. Transcranial Doppler sonography contributed a small additional component. Though EEG was the most significant predictive factor in this neurophysiological battery, it did not add significantly to the predictive power of Glasgow Coma Scale score determined at day 7. These findings suggest that in neurophysiologic testing in this type of patient is not useful in improving predictive outcome data.
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