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Objective: To investigate the usefulness of cardiac biomarkers in the evaluation of prognosis and cardiac involvement (CI) in patients with acute aortic syndrome (AAS). Methods: A total of 260 AAS patients with the measurements of cardiac biomarkers were divided into 2 groups; the survived (n=215, 60.6±13.7 years, 110 males) vs the dead (n=45, 64.5±13.6 years, 19 males). N-terminal pro-B-type natriuretic peptide (NT-proBNP), cardiac specific troponin-I (cTnI), C-reactive protein (CRP), creatinine kinase (CK), MB fraction of CK (CK-MB), and D-dimer were compared. Results: NT-proBNP and D-dimer were significantly elevated in the dead group than in the survived group (3558.7±5497.2 vs 949.9±2307.3 pg/mL, p<0.001, 4.5±5.1 vs 2.0±3.2 ug/mL, p<0.001, respectively). CI was observed in 59 patients (22.7%), and NT-proBNP was significantly elevated in patients with CI than in patients without CI (2497.7±4671.3 vs 722.5±1489.1 pg/mL, p=0.034). In univariate analysis, Stanford type A, CI, NT-proBNP, and D-dimer were significantly associated with mortality, but NT-proBNP was the only significant independent predictor of mortality in multivariate analysis. By receiver operating characteristic curve analysis, the optimal cut-off value to predict mortality was 517.0 pg/mL for NT-proBNP (area under the curve 0.797, sensitivity 86.7%, specificity 71.7%). Conclusion: The elevation of cardiac biomarkers is not infrequent in patients with AAS. NT-proBNP is significantly associated with CI and is an independent predictor of mortality in patients with AAS. The measurement of NT-proBNP would be useful in the risk stratification of AAS. (J Lipid Atheroscler 2016 June;5(1):27-36)

Usefulness of Cardiac Biomarkers in the Evaluation of Prognosis and Cardiac Involvement in Patients with Acute Aortic Syndrome