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  • Title: The Glasgow Coma Score is a predictor of good outcome in cardiac arrest patients treated with therapeutic hypothermia.
    Author: Schefold JC, Storm C, Krüger A, Ploner CJ, Hasper D.
    Journal: Resuscitation; 2009 Jun; 80(6):658-61. PubMed ID: 19362767.
    Abstract:
    BACKGROUND: With the recent introduction of therapeutic hypothermia the application of sedation becomes necessary in cardiac arrest patients. We therefore analysed the usefulness of the Glasgow coma score (GCS) for outcome prediction in survivors of cardiac arrest treated with therapeutic hypothermia. PATIENTS AND METHODS: In a prospective observational study we identified 72 comatose patients admitted to our intensive care unit after cardiac arrest. All patients were treated with therapeutic hypothermia. After sedation stop the Glasgow coma scale (GCS) was recorded until day 4. Neurological outcome was assessed using the Pittsburgh cerebral performance category (CPC) score. RESULTS: Forty-four of 72 patients (61%) were discharged with a favourable neurological outcome (CPC 1+2). GCS was significantly higher in patients with good outcome compared to patients with unfavourable outcome at every point in time after sedation stop (p<0.001). The value for prediction of good outcome with the highest accuracy was a GCS>4 at the first day after sedation stop (sensitivity 61%, PPV 90% and AUC 0.808) and GCS>6 in the following days (sensitivity 84%, PPV 92.5% and AUC 0.921 at day 4). In particular a score of >3 on the motor component of the GCS predicted good outcome with a specificity of 100% (sensitivity 43%) at the first day. CONCLUSIONS: Our results indicate that monitoring of the GCS is a simple and reliable method for clinical outcome assessment in patients treated with therapeutic hypothermia. Thus, GCS monitoring remains a powerful tool to predict outcome of patients treated with therapeutic hypothermia.
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