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[The blood coagulation system in progressive systemic scleroderma].

S Sica1, S Paoletti, S Storti

  • 1Instituto di Semeiotica Medica, Università Cattolica del Sacro Cuore, Roma.

Minerva Medica
|December 31, 1987
PubMed
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Scleroderma patients show increased blood clotting factors (FVIII) and reduced clot breakdown. These changes in coagulation and fibrinolysis may contribute to microthrombosis in early disease stages.

Area of Science:

  • Rheumatology
  • Hematology
  • Vascular Biology

Background:

  • Scleroderma is an autoimmune disease characterized by fibrosis and vascular abnormalities.
  • Endothelial dysfunction is a known feature in scleroderma, potentially impacting hemostasis.
  • Microthrombosis is frequently observed in early-stage scleroderma, but its underlying hemostatic mechanisms require further elucidation.

Purpose of the Study:

  • To investigate blood coagulative and fibrinolytic parameters in patients with scleroderma.
  • To explore the relationship between observed hemostatic changes and endothelial damage in scleroderma.

Main Methods:

  • Blood samples were collected from 25 patients diagnosed with scleroderma.
  • Coagulative parameters, including Factor VIII (FVIII) related activities, were measured.

Related Experiment Videos

  • Fibrinolytic activity was assessed in the patient cohort.

    • Main Results:

    • Patients with scleroderma exhibited significantly increased FVIII related activities.
    • A notable reduction in overall fibrinolytic activity was observed in the study group.
    • These hemostatic alterations suggest a prothrombotic state in scleroderma.

    Conclusions:

    • Elevated FVIII related activities and decreased fibrinolytic activity are present in scleroderma patients.
    • These hemostatic changes are potentially linked to endothelial damage.
    • The observed alterations in coagulation and fibrinolysis may promote the microthrombosis characteristic of early scleroderma.