A recent study in 'Frontiers in Medicine' evaluates the use of hyperspectral imaging (HSI) through a smartphone-based device to differentiate between infected and non-infected wounds. The study found that this portable approach offered 74% accuracy in wound assessment, including 100% sensitivity and 91% specificity in detecting infected wounds.
By Dr. Priyom Bose, Ph.D.Aug 28 2023Reviewed by Benedette Cuffari, M.Sc. A recent Frontiers in Medicine study assesses the effectiveness of hyperspectral imaging to identify differences between infected and non-infected wounds.
Infections commonly induce the development of chronic wounds that decelerate the healing process. In chronic wounds, the healing process does not progress beyond the inflammatory phase of wound healing. Recently, infrared thermography has shown great promise in diagnosing inflammation and infection in wounds. Although this method cannot detect the presence of an infectious process, the incorporation of violet light has facilitated bacterial fluorescence in wounds.
The Ray 1 device contains violet light sources, near- and long-wave infrared sensors, and visible range LEDs that allow for the acquisition of visible light, IRT, and BF images as a hypercube. This device is also equipped with the Swift Skin and Wound app that enables accurate wound area measurement, fluorescence area quantification, and temperature quantification.
Based on the International Wound Infection Institute Wound Infection Continuum recommendations, a wound is considered infected by clinicians in the presence of local infection. Typically, infected wounds are treated with antibiotics. Study findings A total of 66 patients were recruited in this study and 20 wounds were identified as clinically infected. A combination of patient clinical data, IRT, visible light, and BF imaging was able to differentiate between infected and non-infected wounds.
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