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Related Experiment Videos

Hydration studies on scaly hand eczema.

C Blichmann, J Serup

    Contact Dermatitis
    |March 1, 1987
    PubMed
    Summary

    Chronic scaly hand eczema increases transepidermal water loss (TEWL) and decreases skin electrical conductance. These measurements are supplementary for assessing eczema and scaling, aiding in therapy monitoring and healing documentation.

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    Area of Science:

    • Dermatology
    • Skin Physiology
    • Biophysical Measurements

    Background:

    • Chronic scaly hand eczema is a common dermatological condition.
    • Assessing the severity and healing of eczema is crucial for effective treatment.
    • Biophysical methods offer objective measures of skin barrier function.

    Purpose of the Study:

    • To compare transepidermal water loss (TEWL) and high-frequency electrical conductance in eczematous versus uninvolved skin.
    • To evaluate the utility of TEWL and electrical conductance in assessing chronic scaly hand eczema.
    • To determine the correlation between clinical scaling and these biophysical parameters.

    Main Methods:

    • Measurements of TEWL and 3.5 MHz electrical conductance were performed on 20 patients.
    • Eczematous skin was compared with uninvolved skin from the same anatomical region.
    • Clinical grading of scaling was also assessed.

    Main Results:

    • All patients exhibited increased TEWL in eczematous skin.
    • Electrical conductance was decreased in nearly all patients, indicating reduced water-holding capacity.
    • No correlation was found between clinical scaling and either TEWL or electrical conductance.

    Conclusions:

    • TEWL and electrical conductance are supplementary methods for evaluating eczema and scaling.
    • TEWL is valuable for monitoring initial therapeutic effects.
    • Electrical conductance is useful for documenting the final stages of healing.

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