Key result
Fifth-generation Troponin T immunoassays improve the limit of detection and quantitation for diagnosing acute myocardial infarction, decreasing false positive cases.
Fifth-generation high-sensitivity cardiac troponin T assays offer improved limits of detection and quantitation for the diagnosis of acute myocardial infarction.
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Supports refined AMI diagnosis with fewer false positives via fifth-generation troponin T; extends analytical evidence but leaves outcome impact open.
There are various cardiac biomarkers available for diagnosis and stratification of patients with acute coronary syndrome but only few are cardiospecific and sensitive. Troponins are protein molecules that are part of cardiac and skeletal muscle. Smooth muscle cells do not contain troponins. There are three subunits of troponin T, I and C subunits. Cardiac troponins are known to increase on myocardial cell damage leading to myocardial necrosis. The kinetic pattern of release of troponin is known. The technological advancements in Immunoassay has led to improvement in the limit of detection, (LoD) Limit of quantitation (LoQ) and cut off detection limits. There are decreases in false positive cases due to antihuman antibodies use of sandwich fifth generation Troponin T immunoassay. Recently the troponin T fifth generation by (Roche diagnostics) is approved by US-FDA. The cutoffs detections and positive 99th percentile of reference population cutoffs has to be established by verification of manufacturers reference cutoff s limits. The delta change value after serial measurements of suspected patients with symptoms of AMI leads to diagnosis.
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Hambissa et al. (2017) conducted a review in Acute coronary syndrome. Fifth generation Troponin T immunoassay was evaluated. Fifth-generation Troponin T immunoassays improve the limit of detection and quantitation for diagnosing acute myocardial infarction, decreasing false positive cases.
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