Willeit, P. et al. (2017) High-sensitivity cardiac troponin concentration and risk of first-ever cardiovascular outcomes: literature-based meta-analysis involving 154,052 participants. Journal of the American College of Cardiology, 70(5), pp. 558-568. (doi: 10.1016/j.jacc.2017.05.062) (PMID:28750699) (PMCID:PMC5527070)
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Abstract
Background: High-sensitivity assays can quantify cardiac troponins I and T (hs-cTnI, hs-cTnT) in individuals with no clinically manifest myocardial injury. Objectives: The goal of this study was to assess associations of cardiac troponin concentration with cardiovascular disease (CVD) outcomes in primary prevention studies. Methods: A search was conducted of PubMed, Web of Science, and EMBASE for prospective studies published up to September 2016, reporting on associations of cardiac troponin concentration with first-ever CVD outcomes (i.e., coronary heart disease [CHD], stroke, or the combination of both). Study-specific estimates, adjusted for conventional risk factors, were extracted by 2 independent reviewers, supplemented with de novo data from PROSPER (Pravastatin in Elderly Individuals at Risk of Vascular Disease Study), then pooled by using random effects meta-analysis. Results: A total of 28 relevant studies were identified involving 154,052 participants. Cardiac troponin was detectable in 80.0% (hs-cTnI: 82.6%; hs-cTnT: 69.7%). In PROSPER, positive associations of log-linear shape were observed between hs-cTnT and CVD outcomes. In the meta-analysis, the relative risks comparing the top versus the bottom troponin third were 1.43 (95% confidence interval [CI]: 1.31 to 1.56) for CVD (11,763 events), 1.67 (95% CI: 1.50 to 1.86) for fatal CVD (7,775 events), 1.59 (95% CI: 1.38 to 1.83) for CHD (7,061 events), and 1.35 (95% CI: 1.23 to 1.48) for stroke (2,526 events). For fatal CVD, associations were stronger in North American studies (p = 0.010) and those measuring hs-cTnT rather than hs-cTnI (p = 0.027). Conclusions: In the general population, high cardiac troponin concentration within the normal range is associated with increased CVD risk. This association is independent of conventional risk factors, strongest for fatal CVD, and applies to both CHD and stroke.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Welsh, Professor Paul and Stott J, Professor David and Ford, Professor Ian and Boachie, Mr Charles and Sattar, Professor Naveed |
| Authors: | Willeit, P., Welsh, P., Evans, J. D.W., Tschiderer, L., Boachie, C., Jukema, J. W., Ford, I., Trompet, S., Stott, D. J., Kearney, P. M., Mooijaart, S. P., Kiechl, S., Di Angelantonio, E., and Sattar, N. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > Robertson Centre |
| Journal Name: | Journal of the American College of Cardiology |
| Publisher: | Elsevier |
| ISSN: | 0735-1097 |
| ISSN (Online): | 1558-3597 |
| Published Online: | 24 July 2017 |
| Copyright Holders: | Copyright © 2017 The Authors |
| First Published: | First published in Journal of the American College of Cardiology 70(5): 558-568 |
| Publisher Policy: | Reproduced under a Creative Commons license |
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