• Burns · Feb 2021

    3D-perfusion analysis of burn wounds using hyperspectral imaging.

    • Jörg Marotz, Torsten Schulz, Sebastian Seider, Diogo Cruz, Ahmed Aljowder, Dominik Promny, Georg Daeschlein, Thomas Wild, and Frank Siemers.
    • Klinik für Plastische und Handchirurgie und Brandverletztenzentrum, BG-Klinikum Bergmannstrost, D-06002 Halle (Saale), Germany. Electronic address: joerg.marotz@ipross.de.
    • Burns. 2021 Feb 1; 47 (1): 157-170.

    BackgroundDetermination of the depth of burn wounds is still a challenge in clinical practise and fundamental for an optimal treatment. Hyperspectral imaging (HSI) has a high potential to be established as a new contact-free measuring method in medicine. From hyperspectral spectra 3D-perfusion parameters can be estimated and the microcirculatory of burn wounds over the first 72h after thermal injury can be objectively described.MethodsWe used a hyperspectral imaging camera and extended data processing methods to calculate 3D-perfusion parameters of burn wounds from adult patients. The data processing results in the estimation of perfusion parameters like volume fraction and oxygenation of haemoglobin for 6 different layers of the injured skin. The parameters are presented as depth profiles. We analyzed and compared measurements of wounds of different degrees of damage and present the methodology and preliminary results.ResultsThe depth profiles of the perfusion parameters show characteristic features and differences depending on the degree of damage. With Hyperspectral Imaging and the advanced data processing the perfusion characteristics of burn wounds can be visualized in more detail. Based on the analysis of this perfusion characteristics, a new and better reliable classification of burn degrees can be developed supporting the surgeon in the early selection of the optimal treatment.Copyright © 2020 Elsevier Ltd and ISBI. All rights reserved.

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