Scientific publications

Endothelial cell and hemostatic activation in relation to cytokines in patients with sepsis

López-Aguirre Y, Páramo JA.
Hematology Service, University Clinic, School of Medicine, University of Navarra, Pamplona, Spain.

Magazine: Thrombosis Research

Date: Apr 15, 1999

Haematology and Hameotherapy

Sepsis is commonly associated with disturbances of the hemostatic balance. Most of the pathophysiological changes in sepsis are caused by endotoxin acting directly through endothelial injury or indirectly through release of cytokines with procoagulant effects.

The relation between cytokines and hemostatic parameters was assessed in 32 patients with sepsis. Prothrombin fragment 1+2 (F1+2), thrombin-antithrombin III complexes (TAT), tissue type plasminogen activator (t-PA) functional and antigen, plasminogen activator inhibitor-1 (PAI-1), plasminalpha2-antiplasmin complexes (PAP), D-Dimer, thrombomodulin (TM) and von Willebrand factor (vWF) were measured in patients and in 30 healthy subjects.

The levels of cytokines TNF-alpha and interleukin-6 (IL-6) also were determined. A significant increase of F1+2, TAT, PAI-1, PAP, and D-Dimer was observed in septic patients as compared with controls (p<0.0001), whereas t-PA activity was significantly reduced (p<0.01). The markers of endothelial cell activation TM, vWF, and t-PA antigen also were elevated significantly as compared with the control group (p<0.01). Finally, we found a marked increase of TNF-alpha and IL-6 (p<0.0001).

Whereas the increase of cytokine levels could be partially responsible for the hemostatic activation, it did not correlate with markers of endothelial activation in patients with sepsis.

CITATION  Thromb Res. 1999 Apr 15;94(2):95-101

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