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  • Title: TURN Score Predicts 24-Hour Cerebral Edema After IV Thrombolysis.
    Author: Asuzu D, Nyström K, Sreekrishnan A, Schindler J, Wira C, Greer D, Halliday J, Kimberly WT, Sheth KN.
    Journal: Neurocrit Care; 2016 Jun; 24(3):381-8. PubMed ID: 26341364.
    Abstract:
    BACKGROUND AND PURPOSE: Cerebral edema is associated with poor outcome after IV thrombolysis. We recently described the TURN score (Thrombolysis risk Using mRS and NIHSS), a predictor of severe outcome after IV thrombolysis. Our purpose was to evaluate its ability to predict 24-h cerebral edema. METHODS: We retrospectively analyzed data from 303 patients who received IV rt-PA during the NINDS rt-PA trial. Measures of brain swelling included edema, mass effect and midline shift assessed at baseline, at 24 h and new onset at 24 h. Outcome was assessed using intracerebral hemorrhage (ICH), symptomatic intracerebral hemorrhage (sICH), 90-day severe outcome, and 90-day mortality. Statistical associations were assessed by logistic regression reporting odds ratios (OR) and by areas under the receiver operating characteristic curves (AUROC). RESULTS: Baseline brain swelling did not predict poor outcome; however, 24-h brain swelling predicted ICH (OR 5.69, P < 0.001), sICH (OR 9.50, P = 0.01), 90-day severe outcome (OR 7.10, P < 0.001), and 90-day mortality (OR 5.65, P = 0.01). Similar results were seen for new brain swelling at 24 h. TURN predicted 24-hour brain swelling (OR 2.5, P < 0.001; AUROC 0.69, 95 % CI 0.63-0.75) and new brain swelling at 24 h (OR 2.1, P < 0.001; AUROC 0.67, 95 % CI 0.61-0.73). CONCLUSIONS: Cerebral edema at 24 h is associated with poor outcome and 90-day mortality. TURN predicts ischemic stroke patients who will develop 24-h cerebral edema after IV thrombolysis.
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