Modeling of skin cooling, blood flow, and optical properties in wounds created by electrical shock

Thu T A Nguyen, Jeffrey W. Shupp, Lauren T. Moffatt, Marion H. Jordan, James C. Jeng, Jessica C. Ramella-Roman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

High voltage electrical injuries may lead to irreversible tissue damage or even death. Research on tissue injury following high voltage shock is needed and may yield stage-appropriate therapy to reduce amputation rate. One of the mechanisms by which electricity damages tissue is through Joule heating, with subsequent protein denaturation. Previous studies have shown that blood flow had a significant effect on the cooling rate of heated subcutaneous tissue. To assess the thermal damage in tissue, this study focused on monitoring changes of temperature and optical properties of skin next to high voltage wounds. The burns were created between left fore limb and right hind limb extremities of adult male Sprague- Dawley rats by a 1000 VDC delivery shock system. A thermal camera was utilized to record temperature variation during the exposure. The experimental results were then validated using a thermal-electric finite element model (FEM).

Original languageEnglish (US)
Title of host publicationProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume8207
DOIs
StatePublished - 2012
Externally publishedYes
EventPhotonic Therapeutics and Diagnostics VIII - San Francisco, CA, United States
Duration: Jan 21 2012Jan 24 2012

Other

OtherPhotonic Therapeutics and Diagnostics VIII
CountryUnited States
CitySan Francisco, CA
Period1/21/121/24/12

Keywords

  • Blood flow
  • Electrical burns
  • Finite element model
  • Optical properties
  • Temperature response of tissue

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

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