Journal
EUROPEAN JOURNAL OF INTERNAL MEDICINE
Volume 18, Issue 4, Pages 288-294Publisher
ELSEVIER
DOI: 10.1016/j.ejim.2007.02.001
Keywords
MIP-1 alpha; MCP-1; RANTES; acute myocardial infarction
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Background: Leukocytes are activated in the inflammatory process involving locally atherosclerotic lesions through adhesive molecules attaching to the surface of endothelial cells, especially during acute myocardial infarction. The aim of the study was to assess MCP-1, MIP-1 alpha, and RANTES serum levels in patients with STEMI and to correlate them with the severity of left ventricle (LV) dysfunction. Methods: Forty patients were initially divided into two groups, with group 1 having an ejection fraction (EF) above 40% and group 2 an EF of 40% or less. Next, the patients were divided on the basis of wall motion score index (WMSI): group 3 had a WMSI of 1.3 or lower and group 4 had a WMSI above 1.3. A control group of ten volunteers was also included in the study. Serum samples were taken at admission as well as 3, 24, 48, 72 h, and 7 days after. Results: The baseline serum levels of MCP-1 and RANTES in group 1 were significantly higher than in the controls (p<0.05 and p<0.005, respectively). The highest concentrations of chemokines were observed 3 h after admission. The serum levels of MIP-1 alpha on admission and 3 h later were significantly higher in group 1 than in group 2 (p<0.03 and p<0.01, respectively). Maximum MIP-1 concentrations were observed 3 h after admission in group 3 and 24 h after admission in group 4 (p<0.006). In group 1, MIP-1 alpha 3 h after admission correlated positively with the EF (r=0.444, p<0.05). In group 1 there was a negative correlation between MIP-1 alpha concentration 3 h after admission and LV end-diastolic dimension (r=-0.492, p<0.02). Conclusions: Patients with myocardial infarction with an elevated ST segment had a significant increase in MCP-1, MIP-1 alpha, and RANTES serum levels. (c) 2007 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.
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