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Utility of Thermal Imaging in Diagnosis of Cellulitis for Lower Extremity Complaints in the Emergency Department

Cellulitis Clinical Trial

Official title:
Utility of Thermal Imaging in Diagnosis of Cellulitis for Lower Extremity Complaints in the Emergency Department

Clinical Trial Summary

The overall purpose of the study is to determine how providing physicians with a quantitative measure of skin surface temperature influences diagnoses and diagnostic confidence in potential cellulitis cases when added to the standard evaluation.

Clinical Trial Description

Previous literature estimates the emergency department misdiagnosis rate for cellulitis exceeds 30% due to conditions which can mimic cellulitis (termed pseudocellulitis). These diagnostic errors are associated with an estimated $195 to $515 million dollars in avoidable healthcare spending each year. Objective skin surface temperature measurement, obtained via thermal imaging cameras, has been proposed as a diagnostic adjunct that may reduce diagnostic error in cases of suspected cellulitis. One recent study, identified that the maximum affected skin temperature in cellulitis is significantly higher than in pseudocellulitis, and the temperature gradient between affected and unaffected sites in patients with cellulitis is significantly higher than in patients with pseudocellulitis. The overall purpose of the study is to determine how providing physicians with a quantifiable measure of skin surface temperature information influences diagnoses and diagnostic confidence in potential cellulitis cases when added to standard physical exam techniques The Aims of the study are to : Specific Aim 1: To characterize the temperature difference between affected and unaffected limbs in patients with cellulitis in the emergency department. Specific Aim 2: To characterize the temperature difference between cases of cellulitis and pseudocellulitis Specific Aim 3: To determine how quantifying temperature gradients changes diagnostic confidence and accuracy when added to the standard diagnostic evaluation for potential cellulitis. The investigators will prospectively enroll a maximum of 560 patients with non-traumatic lower extremity dermatologic complaints with visible erythema (potential cellulitis) in the University of Wisconsin Emergency Department. A thermal image and a photograph of the affected and the unaffected limbs will be taken. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04928235
Study type Observational
Source University of Wisconsin, Madison
Contact
Status Completed
Phase
Start date July 18, 2021
Completion date February 18, 2023
View Details
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