Abstract
Accumulating evidence suggests that inflammation plays an essential role in the pathogenesis of atherosclerosis. This recognition has stimulated the evaluation of different inflammatory markers as potential predictors of cardiovascular risk. However, the existing data are limited and controversial. This study was designed to simultaneously measure serum levels of interleukin-6 (IL-6), soluble CD40 ligand (sCD40L), metalloproteinase-9 (MMP-9), and tissue inhibitor of metalloproteinase-1 (TIMP-1) in patients with acute ST segment elevation myocardial infarction (STEMI) and to evaluate their ability to predict prognosis. A prospective cohort study was conducted with 263 patients with first STEMI who were admitted to our institute within 6 h of symptoms onset. Clinical data were recorded and serum admission levels of IL-6, sCD40L, MMP-9, and TIMP-1 were measured by sandwich enzyme-linked immunosorbent assay. The patients were then followed prospectively for the occurrence of cardiovascular mortality for 3 years. Follow-up information was available for 228 patients (86.7%) from the 263 STEMI patients; 34 patients died from cardiovascular causes during the 3-year follow-up period. Kaplan-Meier plots demonstrated a significant increase in cardiovascular mortality with increasing IL-6 levels (χ2 = 14.13, P = 0.0002, by log-rank test). Logistic regression analysis revealed that IL-6 was an independent predictor for cardiovascular mortality. The present study indicates that elevated admission level of IL-6 could provide valuable information for long-term risk stratification in patients with STEMI.
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Tan, J., Hua, Q., Li, J. et al. Prognostic value of interleukin-6 during a 3-year follow-up in patients with acute ST-segment elevation myocardial infarction. Heart Vessels 24, 329–334 (2009). https://doi.org/10.1007/s00380-008-1128-8
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DOI: https://doi.org/10.1007/s00380-008-1128-8