Reference Standards for Digital Infrared Thermography Measuring Surface Temperature of the Upper Limbsopen access
- Authors
- Son, Seong; Yoo, Byung Rhae; Zhang, Ho Yeol
- Issue Date
- Jun-2023
- Publisher
- MDPI
- Keywords
- infrared rays; reference standard; skin temperature; thermography; upper limb
- Citation
- BIOENGINEERING-BASEL, v.10, no.6
- Journal Title
- BIOENGINEERING-BASEL
- Volume
- 10
- Number
- 6
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/88566
- DOI
- 10.3390/bioengineering10060671
- ISSN
- 2306-5354
- Abstract
- (1) Background: although digital infrared thermographic imaging (DITI) is used for diverse medical conditions of the upper limbs, no reference standards have been established. This study aims to establish reference standards by analyzing DITI results of the upper limbs. (2) Methods: we recruited 905 healthy Korean adults and conducted thermography on six regions (dorsal arm, ventral arm, lateral arm, medial arm, dorsal hand, and ventral hand region). We analyzed the data based on the proximity of regions of interest (ROIs), sex, and age. (3) Results: the average temperature (& DEG;C) and temperature discrepancy between the right and the left sides (& UDelta;T) of each ROI varied significantly (p < 0.001), ranging from 28.45 & PLUSMN; 5.71 to 29.74 & PLUSMN; 5.14 and from 0.01 & PLUSMN; 0.49 to 0.15 & PLUSMN; 0.62, respectively. The temperature decreased towards the distal ROIs compared to proximal ROIs. The average temperatures of the same ROIs were significantly higher for men than women in all regions (p < 0.001). Across all regions, except the dorsal hand region, average temperatures tended to increase with age, particularly in individuals in their 30s and older (p < 0.001). (4) Conclusions: these data could be used as DITI reference standards to identify skin temperature abnormalities of the upper limbs. However, it is important to consider various confounding factors, and further research is required to validate the accuracy of our results under pathological conditions.
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