Reproducibility of thermal images: some healthy examples

Audrey Macdonald, Nina Petrova, Suhail Ainarkar, John Allen, Peter Plassmann, Aaron Whittam, John Bevans, John Bevans, Ben Kluwe, Rob Simpson, Leon Rogers, Graham Machin, Mike Edmonds

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

    Abstract

    Thirty participants with healthy feet were imaged in the same way on two separate occasions (an average of 4 weeks apart). Overall, feet were found to be thermally symmetric although absolute temperature could vary considerably between visits. Temperature differences at specific sites on the foot sometimes exceeded the threshold of 2.2 °C regarded as clinically significant when looking for evidence of inflammation prior to skin breakdown in diabetes. At least one site exceeded this threshold in nine (30%) participants (the same figure for both visits). However, when looking for significant thermal asymmetry it is important to rule out transient changes by repeated imaging and to refer to baseline images.
    Original languageEnglish
    Title of host publicationApplication of Infrared to Biomedical Science
    EditorsEddie Y. K. Ng, Mahnaz Etehadtavakol
    PublisherSpringer, Singapore
    Pages265-276
    Number of pages12
    Edition1
    ISBN (Electronic)978-981-10-3147-2
    ISBN (Print)978-981-10-3146-5, 978-981-10-9804-8
    DOIs
    Publication statusPublished - 2017

    Publication series

    Name Series in BioEngineering

    Keywords

    • Thermal imaging
    • Thermal symmetry
    • Diabetic foot ulcer

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