Related Experiment Videos
Studies on dermographometry in atopic eczema.
O P Hornstein1, G Heyer, B Langenstein
1Department of Dermatology, University of Erlangen-Nürnberg, FRG.
Acta Dermato-Venereologica. Supplementum
|January 1, 1989
Summary
Researchers developed a new device for quantifying dermatographism (D), a skin reaction often seen in atopic eczema (AE). This quantitative method reveals significant differences in D onset and duration between AE patients and healthy individuals.
Area of Science:
- Dermatology
- Immunology
- Biomedical Engineering
Background:
- Dermatographism (D) assessment is typically qualitative.
- White dermatographism is common in atopic eczema (AE).
- Reproducible quantification of D is needed.
Purpose of the Study:
- To develop and validate a device for quantitative dermatographism measurement.
- To compare dermatographism characteristics in atopic eczema patients and healthy controls.
Main Methods:
- Development of a novel device, 'Dermography', for applying controlled pressure to skin.
- Utilizing the device to assess dermatographism in 27 AE patients and 20 healthy controls.
- Measuring onset time and duration of dermatographic responses.
Main Results:
- The 'Dermography' device allows reproducible quantitative assessment of D.
- Significant differences in D onset time (prolonged) and duration (shortened) were observed in AE patients compared to controls.
- AE patients predominantly showed white D, while controls showed red D.
Conclusions:
- Quantitative dermographometry using the 'Dermography' device is reliable for studying vascular reactivity.
- The device facilitates the study of inter- and intraindividual variations in dermatographism.
- Findings highlight distinct dermatographism patterns in atopic eczema, aiding in understanding AE pathophysiology.