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Peripheral Artery Disease I: Introduction

Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
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Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting
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Pathogenesis of the postphlebitic syndrome.

P Jacobs

    Annual Review of Medicine
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Postphlebitic syndrome causes edema and skin changes, sometimes without prior deep vein clots. Management focuses on improving venous function and addressing local factors in ulceration.

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    Area of Science:

    • Vascular Medicine
    • Dermatology
    • Phlebology

    Background:

    • Postphlebitic syndrome presents with dependent edema, skin changes, inflammation, fibrosis, ulceration, and infection.
    • A significant portion of patients (20%) lack evidence of preceding deep venous occlusion.
    • Current research emphasizes improved diagnostic methods and treatments to restore venous patency and valve function.

    Purpose of the Study:

    • To highlight the key clinical features of postphlebitic syndrome.
    • To underscore the importance of investigating underlying causes, even in the absence of clear deep venous occlusion.
    • To emphasize the need for comprehensive management strategies addressing venous function and local pathobiology.

    Main Methods:

    • Clinical observation and diagnosis of postphlebitic syndrome.
    • Review of patient histories to identify antecedent deep venous occlusion.
    • Analysis of factors contributing to venous ulceration, including capillary permeability and fibrinolytic activity.

    Main Results:

    • Hallmark signs include edema, skin pigmentation, inflammation, fibrosis, chronic ulceration, and infection.
    • Deep venous occlusion is not always present in patients with postphlebitic syndrome.
    • Local changes in capillary permeability and fibrinolytic activity play a role in venous ulceration pathogenesis.

    Conclusions:

    • Effective management requires improved diagnostic tools and treatments aimed at restoring venous patency and valve function.
    • Understanding local pathogenetic mechanisms, such as capillary permeability and fibrinolysis, is crucial for treating venous ulceration.
    • A holistic approach is necessary for managing postphlebitic syndrome and its complications.