Assessing skin hydration status in haemodialysis patients using terahertz spectroscopy: a pilot/feasibility study

Terahertz (THz) time-domain spectroscopy was used in vivo to measure the body reflectance with the aim of determining experimentally the influence of haemodialysis on the content of water in the human skin. For this purpose, an original methodology of determining the skin properties at THz frequenci...

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Bibliographic Details
Published inPhysics in medicine & biology Vol. 53; no. 24; pp. 7063 - 7071
Main Authors Kadlec, Filip, Berta, Milan, Kužel, Petr, Lopot, František, Polakovič, Vladimír
Format Journal Article
LanguageEnglish
Published England IOP Publishing 21.12.2008
Subjects
Electric Conductivity
Equipment Design
Feasibility Studies
Humans
Kidney Diseases - pathology
Optics and Photonics
Renal Dialysis - adverse effects
Skin - metabolism
Skin - pathology
Skin Physiological Phenomena
Terahertz Spectroscopy - instrumentation
Terahertz Spectroscopy - methods
Time Factors
Water - metabolism
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Summary:Terahertz (THz) time-domain spectroscopy was used in vivo to measure the body reflectance with the aim of determining experimentally the influence of haemodialysis on the content of water in the human skin. For this purpose, an original methodology of determining the skin properties at THz frequencies from the reflectance was developed. A series of measurements were performed before and after dialysis with ten subjects. The results strongly indicate that the surface body hydration is not the main parameter determining the skin conductivity in the THz range.
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ISSN:0031-9155
1361-6560
DOI:10.1088/0031-9155/53/24/004