A risk score to predict intracranial hemorrhage after recombinant tissue plasminogen activator for acute ischemic stroke.

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A risk score to predict intracranial hemorrhage after recombinant tissue plasminogen activator for acute ischemic stroke.

J Stroke Cerebrovasc Dis. 2008 Nov-Dec;17(6):331-3

Authors: Cucchiara B, Tanne D, Levine SR, Demchuk AM, Kasner S

BACKGROUND: Ability to predict risk of postthrombolysis intracerebral hemorrhage (ICH) is currently limited. METHODS: Using data from the Multicenter Recombinant Tissue Plasminogen Activator Stroke Survey Group, we developed a score to predict this risk. One point was assigned for the presence of each of 4 variables: age older than 60 years, baseline National Institutes of Health Stroke Scale score greater than 10, glucose greater than 8.325 mmol/L, and platelet count less than 150,000/mm(3). RESULTS: Rate of any ICH increased with higher scores: 0 points, 2.6%; 1 point, 9.7%; 2 points, 15.1%; and greater than or equal to 3 points, 37.9%. The model had reasonable discriminatory capability (C-statistic 0.69). A similar pattern was seen with symptomatic and asymptomatic ICH separately, and with radiographically defined parenchymal hemorrhage. CONCLUSION: A simple risk score may be useful for predicting postthrombolysis ICH.

PMID: 18984422 [PubMed - indexed for MEDLINE]

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