Using Thermal Imaging to Track Cellulitis

Author:

Amendola Julie A1,Segre Alberto M2,Miller Aaron C3,Hodges Jacob T3,Comellas Alejandro P3,Polgreen Linnea A4,Polgreen Philip M3

Affiliation:

1. Department of Family Medicine, East Carolina University , Greenville, North Carolina , USA

2. Department of Computer Science, University of Iowa , Iowa City, Iowa , USA

3. Department of Internal Medicine, University of Iowa , Iowa City, Iowa , USA

4. Department of Pharmacy Practice and Science, University of Iowa , Iowa City, Iowa , USA

Abstract

AbstractBackgroundCellulitis is a common soft tissue infection and a major cause of morbidity. The diagnosis is based almost exclusively on clinical history and physical exam. To improve the diagnosis of cellulitis, we used a thermal camera to track how skin temperature of the affected area changed during a hospital stay for patients with cellulitis.MethodsWe recruited 120 patients admitted with a diagnosis of cellulitis. Daily thermal images of the affected limb were taken. Temperature intensity and area were analyzed from the images. Highest daily body temperature and antibiotics administered were also collected.We estimated a longitudinal linear mixed-effects model with a random intercept for the affected body area. All observations on a given day were included, and we used an integer time indicator indexed to the initial day (ie, t = 1 for the first day the patient was observed, etc.). We then analyzed the effect of this time trend on both severity (ie, normalized temperature) and scale (ie, area of skin with elevated temperature).ResultsWe analyzed thermal images from the 41 patients with a confirmed case of cellulitis who had at least 3 days of photos. For each day that the patient was observed, the severity decreased by 1.63 (95% CI, −13.45 to 10.32) units on average, and the scale decreased by 0.63 (95% CI, −1.08 to −0.17) points on average. Also, patients’ body temperatures decreased by 0.28°F each day (95% CI, −0.40 to −0.17).ConclusionsThermal imaging could be used to help diagnose cellulitis and track clinical progress.

Publisher

Oxford University Press (OUP)

Subject

Infectious Diseases,Oncology

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Beyond visual inspection: The value of infrared thermography in skin diseases, a scoping review;Journal of the European Academy of Dermatology and Venereology;2024-01-22

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