Hemostatic changes in vasculitides

Area of Science:

• Rheumatology
• Hematology
• Cardiovascular Medicine

Background:

• Systemic vasculitides are rare, heterogeneous diseases causing blood vessel wall inflammation and necrosis.
• The inflammatory process in vasculitis dysregulates coagulation, impairs anticoagulation and fibrinolysis, and increases platelet activity.
• Patients with vasculitis have elevated risks of atherosclerosis, cardiovascular disease, and cardiovascular events.

Purpose of the Study:

• To highlight the complex interplay between vasculitis and thrombotic processes.
• To emphasize the increased cardiovascular risk in patients with vasculitic syndromes.
• To underscore the need for a defined antithrombotic therapy strategy in vasculitis management.

Main Methods:

• Review of existing literature on vasculitis pathophysiology and thrombotic complications.
• Analysis of the impact of vasculitis on coagulation and fibrinolysis.
• Examination of cardiovascular risk factors and outcomes in vasculitic populations.

Main Results:

• Vasculitis activates pro-coagulant factors, inhibits anti-coagulant mechanisms, and promotes platelet activation.
• Endothelial dysfunction is a key feature, contributing to thrombotic risk.
• Mortality remains high, with a significant burden of cardiovascular disease.

Conclusions:

• Systemic vasculitides present a complex pro-thrombotic state.
• Antiphospholipid syndrome can be associated with vasculitis, further increasing thrombotic risk.
• Developing clear antithrombotic management strategies for vasculitis patients is a critical unmet need.