Publicaciones científicas

Fibrinolysis/proteolysis balance in stable angina pectoris in relation to angiographic findings

Páramo JA, Orbe J, Fernández J.
Atherosclerosis Research Unit, Division of Cardiovascular Pathophysiology and Biochemistry, University of Navarra, Pamplona, Spain.

Magazine: Thrombosis and Haemostasis

Date: Aug 1, 2001

Hematología y Hemoterapia [SP]

The plasma fibrinolytic/proteolytic balance was assessed in 60 stable angina patients who underwent control coronary catheterization and the results were correlated with angiographic findings and control samples (n = 20).

The concentrations of t-PA, PAI-1, collagenase (MMP-1), tissue inhibitor of MMP (TIMP-1), plasmin-antiplasmin (PAP) complexes and alpha2-macroglobulin (alpha2-M) were measured in plasma samples. The results showed a significant increase of PAP (p <0.001) and a reduction of alpha2-M (p <0.001) in the group of patients when compared to controls, indicating a degree of fibrinolysis/proteolysis activation. There was no correlation between the different parameters analyzed and the extent of angiographically proven atherosclerosis (one or more stenotic vessels), while the t-PA levels were significantly elevated (p <0.03) in patients with coronary stenosis > or =75% or occlusion.

We conclude that there is a disturbance of the plasma fibrinolysis/proteolysis in patients with stable angina not related to the extent of atherosclerosis. The t-PA levels may be a good marker for coronary occlusion in these patients.

CITATION  Thromb Haemost. 2001 Aug;86(2):636-9



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