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Comparison of tissue viability imaging and colorimetry: skin blanching
University of California.
University of California.
University of California.
Linköpings universitet, Institutionen för medicinsk teknik, Biomedicinsk instrumentteknik. Linköpings universitet, Tekniska högskolan.
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2009 (Engelska)Ingår i: Skin research and technology, ISSN 0909-752X, E-ISSN 1600-0846, Vol. 15, nr 1, s. 20-23Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Operator-independent assessment of skin blanching is important in the development and evaluation of topically applied steroids. Spectroscopic instruments based on hand-held probes, however, include elements of operator dependence such as difference in applied pressure and probe misalignment, while laser Doppler-based methods are better suited for demonstration of skin vasodilatation than for vasoconstriction.

To demonstrate the potential of the emerging technology of Tissue Viability Imaging (TiVi) in the objective and operator-independent assessment of skin blanching.

The WheelsBridge TiVi600 Tissue Viability Imager was used for quantification of human skin blanching with the Minolta chromameter CR 200 as an independent colorimeter reference method. Desoximetasone gel 0.05% was applied topically on the volar side of the forearm under occlusion for 6 h in four healthy adults. In a separate study, the induction of blanching in the occlusion phase was mapped using a transparent occlusion cover.

The relative uncertainty in the blanching estimate produced by the Tissue Viability Imager was about 5% and similar to that of the chromameter operated by a single user and taking the a(*) parameter as a measure of blanching. Estimation of skin blanching could also be performed in the presence of a transient paradoxical erythema, using the integrated TiVi software. The successive induction of skin blanching during the occlusion phase could readily be mapped by the Tissue Viability Imager.

TiVi seems to be suitable for operator-independent and remote mapping of human skin blanching, eliminating the main disadvantages of methods based on hand-held probes.

Ort, förlag, år, upplaga, sidor
2009. Vol. 15, nr 1, s. 20-23
Nyckelord [en]
skin blanching, vasoconstriction, tissue viability imaging
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:liu:diva-16613DOI: 10.1111/j.1600-0846.2008.00346.xOAI: oai:DiVA.org:liu-16613DiVA, id: diva2:159519
Tillgänglig från: 2009-02-07 Skapad: 2009-02-06 Senast uppdaterad: 2017-12-14

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Nilsson, Gert

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Biomedicinsk instrumentteknikTekniska högskolan
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