Profile of Roche’s Elecsys Troponin T Gen 5 STAT blood test (a high-sensitivity cardiac troponin assay) for diagnosing myocardial infarction in the emergency department
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INTRODUCTION: The Elecsys Troponin T Gen 5 STAT test (distributed in the United States (US) by Roche Diagnostics, Indianapolis, IN) is the first high-sensitivity cardiac troponin test approved for use by the FDA in the US (2017). Areas covered: The test offers clinicians the opportunity for more rapid decision-making for diagnosing myocardial infarction (MI) in the emergency department (ED). The Troponin T Gen 5 STAT test (labeled as TNT-G5ST on the reagent pack) is similar to the Troponin T hs STAT (TNT-HSST) and Troponin T hs (TNT-HS) tests that have been available outside the US since 2009. Collectively, these tests can all be considered as high-sensitivity cardiac troponin T (hs-cTnT) assays. Expert commentary: Studies performed in the US and throughout the world using 0 and 3 h blood draws for hs-cTnT testing in patients with possible MI have reliably achieved a sensitivity of >94% and negative predictive value of ≥99% for MI in the ED setting.
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