Diagnostic Utility of High Sensitivity Troponins for Echocardiographic Markers of Structural Heart Disease

Medical Sciences : Open Access Journal
Tom Kai Ming WangGladding Patrick

Abstract

The conventional use of high-sensitivity troponins (hs-troponins) is for diagnosing myocardial infarction however they also have a role in chronic disease management. This pilot study assessed the relationship of hs-troponins with echocardiographic markers of left ventricular hypertrophy (LVH) and structural heart disease (SHD). Patients undergoing computer gomography (CT) coronary angiogram for low-intermediate risk chest pain and healthy volunteers were recruited. Hs-troponins Singulex I, Abbott I and Roche T and N-terminal pro-brain natriuretic peptide (NT-proBNP) were evaluated in relation to SHD parameters including left ventricular hypertrophy (LVHEcho) and left atrial enlargement (LAEEcho) on echocardiography. 78 subjects who underwent echocardiography were included in this study. C-statistics (95% confidence interval) of the four biomarkers for predicting LVHEchowere 0.84 (0.72-0.92), 0.84 (0.73-0.92), 0.75 (0.63-0.85) and 0.62 (0.49-0.74); for LAEEcho0.74 (0.6-0.85), 0.78 (0.66-0.88), 0.55 (0.42-0.67) and 0.68 (0.62-0.85); and composite SHD 0.79 (0.66-0.88), 0.87 (0.75-0.94), 0.62 (0.49-0.73) and 0.74 (0.62-0.84) respectively. Optimal cut points for SHD were >1.2 ng/L, >1.6 ng/L, >8 ng/L and >18 pmol/L respectively. Th...Continue Reading

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Jun 23, 2019·Medical Sciences : Open Access Journal·Julie Redfern, Lis Neubeck

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