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Mobile Device May ID Wound Infections Earlier

Device combines photography, infrared thermography, and bacterial fluorescence images

By Lori Solomon HealthDay Reporter

WEDNESDAY, Aug. 30, 2023 (HealthDay News) — A mobile device that combines photographs, infrared thermography images, and bacterial fluorescence images may improve detection of wound infections, according to a study published online Aug. 24 in Frontiers in Medicine.

Jose L. Ramirez-GarciaLuna from McGill University in Montreal, and colleagues assessed the efficacy of the Swift Ray 1, which can be attached to a smartphone and connected to the Swift Skin and Wound software, to take hyperspectral images that collect visible light, thermography images, and bacterial fluorescence images. Trained surgeons used the device on 66 outpatient wound care patients in Mexico and Canada.

The researchers found that the mobile device could accurately predict all three wound classes (infected, inflamed, and noninfected) with an accuracy of 74 percent. Performance was best on infected wounds (100 percent sensitivity and 91 percent specificity) versus noninflamed wounds (94 percent sensitivity and 70 percent specificity) and inflamed wounds (85 percent sensitivity and 77 percent specificity).

“Enabling clinicians to use point-of-care hyperspectral imaging may allow earlier infection detection and intervention, possibly preventing delays in wound healing and minimizing adverse events,” the authors write.

Several authors disclosed ties to Swift Medical, Inc., the device maker.

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