Plasma levels of fibrinolytic proteins and the risk of myocardial infarction in men

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Meltzer, Mirjam E. and Doggen, Carine J.M. and Groot de, Philip G. and Rosendaal, Frits R. and Lisman, Ton (2010) Plasma levels of fibrinolytic proteins and the risk of myocardial infarction in men. Blood, 116 (4). pp. 529-536. ISSN 0006-4971

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Abstract:Hypofibrinolysis as measured with overall clot lysis assays is associated with risk of arterial thrombosis. Individual components of the fibrinolytic system, however, have not been studied extensively in relation to arterial disease, or results of studies were inconsistent. The relation between plasminogen and α2-antiplasmin levels and cardiovascular risk factors and the association between plasminogen, α2-antiplasmin, tissue-plasminogen activator (t-PA), and plasminogen activator inhibitor-1 (PAI-1) and risk of myocardial infarction was investigated in the Study of Myocardial Infarctions Leiden (555 men with a first myocardial infarction and 635 controls). α2-antiplasmin was associated with age and lipid levels, whereas plasminogen correlated with lipids, C-reactive protein, and smoking. Increased levels of all fibrinolytic factors were associated with myocardial infarction. Age-adjusted odds ratios (ORs; 95% confidence interval) for quartile 4 compared with 1 were 1.7 (1.2-2.3) for plasminogen, 1.9 (1.3-2.6) for α2-antiplasmin, 1.7 (1.2-2.3) for t-PA, and 1.7 (1.2-2.4) for PAI-1. After adjusting for cardiovascular risk factors, only α2-antiplasmin levels remained associated with risk (OR, 1.4; [1.0-2.0]). t-PA and PAI-1 levels predominantly reflected lipid levels, whereas plasminogen reflected the inflammatory state. Concluding, elevated α2-antiplasmin levels are independently associated with risk of myocardial infarction. t-PA, PAI-1, and plasminogen levels appear to reflect other cardiovascular risk factors.
Item Type:Article
Copyright:© 2010 by The American Society of Hematology
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Management and Governance (SMG)
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Link to this item:http://purl.utwente.nl/publications/76789
Official URL:http://dx.doi.org/10.1182/blood-2010-01-263103
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