The concordance study of the portable camera FLIR C5 for detecting asymmetry of skin temperature in patients with stroke sequelae

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article
Data de publicação
2023
Scopus
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EUROPEAN ASSOCIATION OF THERMOLOGY
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THERMOLOGY INTERNATIONAL, v.33, n.1, p.5-12, 2023
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Resumo
BACKGROUND: Low-cost portable infrared cameras are increasingly used for health assessments, especially for investigating the skin temperature of the whole body. However, some of these devices have not yet been tested for agreement with high-resolution cameras. Therefore, the objective of this study was to test the agreement of FLIR C5, a portable infrared thermographic camera, compared to the FLIR T650sc, a high-quality and high-resolution thermographic device, for detecting thermal asymmetry between both sides of the body of patients with motor sequelae after stroke. MATERIALS AND METHODS: This is an observational and cross-sectional study conducted in a physical rehabilitation facility with 14 patients with stroke sequelae. Participants had their temperature simultaneously measured by FLIR T650sc and FLIR C5 infrared thermography cameras and analyzed with the software FLIR Tools®. The temperature difference of each ROI measured by both cameras was compared with Lin's Concordance Correlation Coefficient (rho or ρc) and Bland Altman the limits of agreement (LOA). RESULTS: the temperatures measured by FLIR C5 were lower than those measured by FLIR T650sc, regardless of the region of interest or side (-0.65, SD 1.44). We observed that the general concordance was classified as adequate to excellent (ρc=0.859; 95%CI 0.817-0.901; p<0.001) and that the forearm and leg in the posterior view presented the sites with the best associations between the temperature readings of FLIR C5 and FLIR T650sc. CONCLUSIONS: The temperature asymmetry usually found among patients with stroke sequelae may be assessed by the portable infrared thermographic camera FLIR C5, given its suitable concordance with FLIR T650sc.
Palavras-chave
affordable infrared cameras, cutaneous temperature, mobile thermography, stroke, Thermography
URI
https://observatorio.fm.usp.br/handle/OPI/58626
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MLS
Artigos e Materiais de Revistas Científicas - HC/IMREA
Artigos e Materiais de Revistas Científicas - LIM/40
Artigos e Materiais de Revistas Científicas - ODS/03