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Improving long-term risk prediction in patients with acute chest pain: The Global Registry of Acute Coronary Events (GRACE) risk score is enhanced by selected nonnecrosis biomarkers
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Clinical Chemistry.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
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2010 (English)In: American Heart Journal, ISSN 0002-8703, E-ISSN 1097-6744, Vol. 160, no 1, 88-94 p.Article in journal (Refereed) Published
Abstract [en]

Background The Global Registry of Acute Coronary Events (GRACE) risk score is widely recommended for risk assessment in patients with acute coronary syndrome. However, there is limited knowledge regarding the utility of this score for long-term risk prediction in unselected patients with acute chest pain and whether it might be improved by the integration of nonnecrosis biomarkers. Methods We calculated the GRACE risk score in 453 chest pain patients and assessed its value for risk assessment together with the additive prognostic information obtained from N-terminal pro-B-type natriuretic peptide, C-reactive protein, growth differentiation factor-15 (GDF-15), and cystatin C. Results After a median follow-up of 5.8 years, 92 patients (20.7%) had died. The GRACE risk score was significantly higher in patients who died (median 146 vs 93, P < .001) and provided a c-statistic regarding mortality of 0.78. A significant increase of the c-statistic was achieved only after addition of GDF-15 (c-statistic 0.81, P = .003) and, to a minor extent, after addition of cystatin C (c-statistic 0.81, P = .035). Assessment of the integrated discriminative improvement yielded similar results. N-terminal pro-B-type natriuretic peptide had only limited incremental prognostic value, and C-reactive protein was not predictive for outcome. Conclusion The GRACE risk score allows for the prediction of mortality in chest pain patients even after almost 6 years of follow-up. However, its predictive value could be further enhanced by the addition of selected nonnecrosis biomarkers, in particular GDF-15 or cystatin C. (Am Heart J 2010; 160: 88-94.)

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2010. Vol. 160, no 1, 88-94 p.
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Medical and Health Sciences
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URN: urn:nbn:se:uu:diva-136045DOI: 10.1016/j.ahj.2010.05.002ISI: 000279440400014OAI: oai:DiVA.org:uu-136045DiVA: diva2:376051
Available from: 2010-12-09 Created: 2010-12-09 Last updated: 2017-12-11Bibliographically approved

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Eggers, Kai M.Wallentin, LarsLindahl, Bertil

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