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Morphological microcirculatory aspects in chronic uremia

G Trevisan, F Silvestri, G F Guarnieri

    Biochemistry and Experimental Biology
    |January 1, 1980
    PubMed
    Summary
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    Chronic kidney disease (CKD) patients show significant histangic changes in fingertip biopsies. These include capillary dilation, nerve damage, dermal necrosis, and calcium deposits, impacting skin health in uremia.

    Area of Science:

    • Nephrology
    • Dermatology
    • Histopathology

    Background:

    • Chronic uremia, a severe kidney disease complication, can lead to systemic complications.
    • Histopathological changes in skin are common but not fully understood in uremic patients.

    Purpose of the Study:

    • To investigate the histangic (tissue and vessel) changes in the skin of patients with chronic uremia.
    • To identify specific microvascular and nerve alterations associated with chronic kidney disease.

    Main Methods:

    • Fingertip skin biopsies were performed on 18 patients diagnosed with chronic uremia.
    • Histopathological examination focused on microvasculature and sensory corpuscles.

    Main Results:

    • Observed were partial occlusion of blocking devices, capillary dilation, and regressive changes in sensory corpuscles, particularly Vater-Pacinian corpuscles.

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  • A high incidence of dermal necrosis and calcium deposits was noted in the biopsies.

    • Conclusions:

    • Chronic uremia is associated with significant histangic alterations in the skin.
    • These findings suggest microvascular compromise and tissue damage contribute to skin complications in kidney disease.