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  • Title: Derivation and Validation of a Scoring System for Intravenous Tissue Plasminogen Activator Use in Asian Patients.
    Author: Yeo LLL, Chien SC, Lin JR, Liow CW, Lee JD, Peng TI, Luen TH, Sharma V, Chan B, Lee TH, SRICHS Group.
    Journal: J Stroke Cerebrovasc Dis; 2017 Aug; 26(8):1695-1703. PubMed ID: 28408066.
    Abstract:
    BACKGROUND AND PURPOSE: As Chinese Asian populations have an increased risk of intracerebral hemorrhage (ICH) after intravenous tissue plasminogen activator (IV tPA), we aimed to design a rapid, clinically applicable risk scoring system to predict ICH and functional outcomes after IV tPA treatment in Asian ischemic stroke patients. METHODS: From January 2009 to December 2012, consecutive acute ischemic stroke patients treated with IV tPA recruited from the Stroke Registry in Chang Gung Healthcare System (SRICHS) in Taiwan and the National University Hospital of Singapore (NUHS) acute stroke database were used to create and validate a scoring system. Nomogram was created for ICH and 3-month mortality. RESULTS: In total, 932 patients were included in the study: 386 from SRICHS for the derivation of scoring system and 546 from NUHS to validate it. We used nomograms to assign weightage to the scoring system. The presence of atrial fibrillation, glucose level, and the National Institutes of Health Stroke Scale (NIHSS) score were significantly associated with the risk of ICH. Age, NIHSS score, hyperlipidemia, and the presence of post-tPA ICH were significantly associated with mortality. The areas under the curve of derivation and validation cohorts were .663 and .662 for ICH, and .808 and .790 for mortality, respectively. CONCLUSIONS: The scoring system using nomograms can provide a fast, practical, and user-friendly tool that allows physicians to predict the risk of ICH and functional outcomes with IV tPA treatment in a clinical setting.
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