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Related Experiment Videos

Finger skin perfusion pressure in generalized scleroderma

J K Kristensen

    Acta Dermato-Venereologica
    |January 1, 1978
    PubMed
    Summary

    Generalized scleroderma significantly reduces finger skin perfusion pressure. This study measured fingertip blood pressure in patients and healthy individuals, revealing a critical drop in scleroderma cases.

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    Area of Science:

    • Vascular Physiology
    • Dermatology
    • Rheumatology

    Background:

    • Generalized scleroderma is a systemic autoimmune disease characterized by fibrosis and vascular abnormalities.
    • Reduced skin perfusion can lead to digital ulcers and other complications in scleroderma patients.

    Purpose of the Study:

    • To quantify skin perfusion pressure in the fingers of patients with generalized scleroderma.
    • To compare finger skin perfusion pressure between scleroderma patients and healthy controls.

    Main Methods:

    • Utilized 133Xenon washout technique to estimate skin perfusion pressure.
    • Measured minimum external counterpressure needed to halt isotope washout.
    • Employed a miniature blood pressure cuff for localized counterpressure application.

    Main Results:

    • Normal finger skin perfusion pressure was 100.5 mmHg ± 3.3 SEM.
    • Scleroderma patients exhibited significantly lower finger skin perfusion pressure at 72.5 mmHg ± 1.8 SEM (p < 0.001).

    Conclusions:

    • Generalized scleroderma is associated with markedly reduced finger skin perfusion pressure.
    • This finding may contribute to the understanding of digital complications in scleroderma.

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