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  • Title: Tissue-plasminogen activator, plasminogen activator inhibitor and risk of peripheral arterial disease.
    Author: Smith FB, Lee AJ, Rumley A, Fowkes FG, Lowe GD.
    Journal: Atherosclerosis; 1995 May; 115(1):35-43. PubMed ID: 7669086.
    Abstract:
    In this population-based case-control study, we examined the relationship between the fibrinolytic variables tissue-plasminogen activator (t-PA) antigen and plasminogen activator inhibitor (PAI) activity, cardiovascular risk factors and peripheral arterial disease. Cases and controls were selected from the Edinburgh Artery Study, a random sample survey of men and women, aged 55-74 years. Mean levels of t-PA antigen and PAI activity were significantly elevated in 121 cases compared to 126 controls. The increased risks of peripheral arterial disease with increasing PAI activity and t-PA antigen levels were partly mediated by interactions with serum triglycerides, high density lipoprotein (HDL) cholesterol and cigarette smoking. For example, adjustment for triglycerides significantly reduced the odds of disease for PAI activity from 1.41 (95% confidence intervals 1.08, 1.86) to 1.24 (0.93, 1.65) and from 1.47 (1.09, 1.98) to 1.34 (0.99, 1.82) for t-PA antigen. We conclude that impaired fibrinolytic potential (raised PAI activity and t-PA antigen) is associated with peripheral atherosclerosis and that this relationship is partly influenced by lipids and cigarette smoking.
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