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Related Experiment Videos

[Sclerodermal microangiopathy: a cause or a consequence?].

J N Fiessinger, S Kazandjian, J P Camilleri

    Annales De Medecine Interne
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

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    [Risk factors of serious bleeding among ambulatory patients taking antivitamin K aged 75 and over].

    Journal des maladies vasculaires·2014

    Systemic scleroderma involves microangiopathy, characterized by capillary changes and endothelial abnormalities. Capillaroscopy effectively assesses these microvascular changes in patients.

    Area of Science:

    • Vascular Biology
    • Rheumatology
    • Pathology

    Context:

    • Systemic scleroderma is an autoimmune disease characterized by fibrosis and vascular abnormalities.
    • Microangiopathy is a key pathological feature, affecting small blood vessels.

    Purpose:

    • To describe the clinicopathological features of microangiopathy in systemic scleroderma.
    • To highlight the role of endothelial cell abnormalities and cytotoxic factors.
    • To emphasize the utility of capillaroscopy in assessing microangiopathy.

    Summary:

    • Microangiopathy in systemic scleroderma includes capillary thinning, basement membrane thickening, and endothelial dysfunction.
    • Endothelial cells show increased uptake of radioactive thymidine, suggesting active cellular processes.

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  • A circulating cytotoxic factor implicates endothelial damage in disease pathogenesis.
  • Capillaroscopy is presented as a practical method for evaluating microangiopathy in these patients.

    • Impact:

    • Provides a comprehensive overview of microangiopathy in systemic scleroderma.
    • Suggests a potential mechanism involving endothelial cell damage in disease development.
    • Recommends capillaroscopy as a valuable diagnostic tool for clinicians.