Journal
FREE RADICAL RESEARCH
Volume 40, Issue 4, Pages 385-391Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10715760500539154
Keywords
oxidative stress; myocardial infarction; isoprostanes; artherosclerosis
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Background: Oxidative stress has been implicated in the pathogenesis of atherogenesis. The aim of our study is to examine whether the plasma 8-iso-prostaglandin F-2 alpha level, a marker of oxidative stress, is elevated in patients with acute myocardial infarction. Methods: Three groups of patients were enrolled: (1) patients with no or minimal coronary artery disease (CAD) (n = 15); (2) patients with stable CAD (n = 31); (3) patients with acute myocardial infarction (n = 13). Results: Plasma 8-iso-prostaglandin F-2 alpha levels were significantly elevated (p < 0.001) in patients with acute myocardial infarction (290.7 +/- 73.9 pg/ ml) as compared to patients with stable CAD (182.0 + 75.7 pg/ ml) and patients with no significant CAD (118.9 +/- 85.5 pg/ ml). This remained significant after correcting for coronary atherosclerosis risk factors, age, extent of atherosclerosis, and C-reactive protein (CRP) level. Conclusion: Plasma 8-iso-prostaglandin F-2 alpha levels are elevated in patients with acute myocardial infarction. Endogenous oxidative stress may contribute to the pathogenesis of atherosclerosis and its complications, namely myocardial infarction.
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