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Kaess, B.M.* ; de Las Heras Gala, T. ; Zierer, A. ; Meisinger, C. ; Wahl, S. ; Peters, A. ; Todd, J.A.* ; Herder, C.* ; Huth, C. ; Thorand, B. ; Koenig, W.*

Ultra-sensitive troponin I is an independent predictor of incident coronary heart disease in the general population.

Eur. J. Epidemiol. 32, 583–591 (2017)
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Troponins are sensitive markers of myocardial injury and predictive of cardiovascular events, but conventional assays fail to detect slightly elevated troponins in a considerable proportion of the general population. Using a novel ultrasensitive assay, we explored the relationship of troponin levels with the incidence of coronary heart disease (CHD) in a case-cohort sample (mean age 52.5 ± 0.2 years, 51.5% women) comprising 803 CHD cases and 1942 non-cases. Ultrasensitive troponin I was detectable in 99.9% of available case-cohort samples. In an age- and sex-adjusted model, individuals in the highest quartile of the troponin distribution had a more than threefold increased risk for CHD events compared to those in the bottom quartile [hazard ratio, HR, 3.11; 95% confidence interval (CI) 2.15-4.49]. In a model adjusting for cardiovascular risk factors including C-reactive protein, cystatin C and N-terminal pro brain natriuretic peptide, individuals in the highest troponin I quartile still showed a hazard ratio of 2.58 (95% CI 1.66-4.00) for incident CHD as compared to those in the lowest quartile. Ultrasensitive troponin I was detectable in almost all individuals of a study sample reflecting middle-aged to elderly European general population. Ultrasensitive troponin concentrations exhibit an independent, graded, positive relation with incident CHD.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Coronary Heart Disease ; General Population ; Risk Prediction ; Ultrasensitive Troponin I; C-reactive Protein; Monica Augsburg Cohort; Myocardial-infarction; Risk Prediction; Multiple Imputation; Natriuretic Peptide; Survival Analysis; Assay; Mortality; Values
ISSN (print) / ISBN 0393-2990
e-ISSN 1573-7284
Quellenangaben Volume: 32, Issue: 7, Pages: 583–591 Article Number: , Supplement: ,
Publisher Springer
Publishing Place Dordrecht
Reviewing status Peer reviewed