Inflammation Is Associated With Platelet Coagulation Function Rather Than Enzymatic Coagulation Function in Patients...

Area of Science:

• Cardiovascular Medicine
• Hematology
• Immunology

Background:

• Takayasu arteritis (TA) is a large-vessel vasculitis with incompletely understood coagulation and fibrinolysis changes.
• The relationship between inflammation and these hemostatic processes in TA patients requires further elucidation.

Purpose of the Study:

• To investigate coagulation and fibrinolysis alterations in Takayasu arteritis patients using thrombelastography (TEG).
• To correlate these hemostatic changes with disease activity and inflammation markers.

Main Methods:

• Retrospective analysis of 127 TA patients and 55 healthy controls.
• Assessed routine hematological parameters, traditional coagulation assays, and TEG parameters.
• Grouped TA patients based on disease activity.

Main Results:

• TA patients, particularly those with active disease, exhibited shorter K time, larger alpha angle, and elevated MA, MA(A), G, and TPI.
• No significant differences in R time, EPL, LY30, and CL30 were observed between TA patients and controls, or across different disease activity groups.
• Erythrocyte Sedimentation Rate (ESR) correlated with platelet count (PLT) and several TEG parameters, including K time, alpha angle, MA, MA(A), G, and TPI.

Conclusions:

• Inflammation in Takayasu arteritis is linked to enhanced platelet coagulation function, not enzymatic coagulation.
• Findings suggest a potential benefit of antiplatelet therapy for improving the prognosis of TA patients.