Thermographic quantitative variables for diabetic foot assessment: preliminary results

Carbonell, Lucía Ramón; Priego-Quesada, José Ignacio; Retorta, Pedro; Benimeli, María; Anda, Rosa Ma Cibrián Ortiz de; Palmer, Rosario Salvador; Peña, R González; Galindo, Carlos; Almero, L. Pino; Blasco, Ma Carmen; Mínguez, M. Fe; Macián-Romero, Cecili

doi:10.1080/21681163.2018.1542349

Cited by 7 publications

(5 citation statements)

References 22 publications

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“…In medicine, the IRT applicability is based on the fact that the human skin emits continuously infrared radiation, being its body distribution symmetrical in a healthy person. Therefore, avoiding the use of biologically ionising radiation, IRT is an effective alternative to conventional imaging techniques (Casanova et al 2018) for a large number of diseases related to peripheral circulation, such as, for example, diabetic foot disease (Carbonell et al 2018;Seixas et al 2018), ankle injuries (Oliveira et al 2016) and knee diseases (Calin et al 2015).…”

Section: The Infrared Thermography (Irt) As a Diagnosis And Assessmen...mentioning

confidence: 99%

Thermographic differences due to dynamic work tasks on individuals with different obesity levels: a preliminary study

Colim

Arezes

Flores

et al. 2019

Computer Methods in Biomechanics and Biomedical Engineering: Im

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Obesity has been identified as a potential risk factor for Work-Related Musculoskeletal Disorders (WRMSD). However, literature shows that more studies are required about obesity effects on work performance, including during lifting tasks. Infrared Thermography (IRT) has been emerged as an 10 alternative technique to study WRMSD risk factors. Therefore, the current study aims at testing whether skin temperatures (T skin ) changes are sensitive to work conditions during lifting tasks. The second goal of this work is to analyse possible differences in T skin changes across individuals with different obesity levels. By applying IRT imaging this study considered 29 participants with different obesity levels, for a repetitive lifting task between floor and shoulders height with a periodicity of 7 seconds up to 2 minutes. Thermal 15 images were registered across 16 Regions Of Interest (ROI) (divided into body anterior and posterior views). Data analysis was performed from the temperatures differential, calculated as the algebric difference between T skin measured before and after the task. This T skin difference presented statistical evidence (p < 0.05 for all ROI), with a decrease after the task. The average T skin decrease of the 8 ROI for anterior view was 0.33(±0.08)ºC and for posterior view was 0.51(±0.08)ºC, being an indicator of muscular 20 overload increased. Results show a relation between the obese participants and the presence of higher cooling in the ROI studied, following the lifting task. These outcomes corroborate that obesity is a WRMSD risk factor and also provides evidence that IRT can be a useful tool to assess the participants' biomechanics performance.

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Section: The Infrared Thermography (Irt) As a Diagnosis And Assessmen...mentioning

confidence: 99%

Thermographic differences due to dynamic work tasks on individuals with different obesity levels: a preliminary study

Colim

Arezes

Flores

et al. 2019

Computer Methods in Biomechanics and Biomedical Engineering: Im

View full text Add to dashboard Cite

show abstract

“…Few experimental methods to measure the foot temperature and footwear thermal insulation assessment exist [2,3,5,18,19]. To assess the footwear thermal insulation, a plastic bag filled with hot water is usually placed inside the shoe to occupy the shoe space perfectly, and then, the temperatures of the shoe's different parts are measured during the time [5,20].…”

Section: Introductionmentioning

confidence: 99%

An Analytical Model to Predict Foot Sole Temperature: Implications to Insole Design for Physical Activity in Sport and Exercise

Nemati

Naemi

2022

Applied Sciences

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Foot sole temperature, besides its importance in thermal comfort, can be considered an important factor in identifying tissue injuries due to heavy activities or diseases. Hyperthermia, which is a raise in the foot temperature, increases the risk of diabetic ulcers considerably. In this study, a model is proposed to predict the foot sole temperature with acceptable accuracy. This model for the first time considers both the thermal and mechanical properties of the shoe sole, the intensity of the activity, the ambient condition, and sweating, which are involved in the thermal interaction between the sole of the foot and footwear. Furthermore, the proposed model provides the opportunity to estimate the contributions of different parameters in foot thermal regulation by describing the interaction of activity, duration, and intensity as well as sweating in influencing the foot sole temperature. In doing so it takes into account the relative importance of heat capacitance and the thermal conductivity. The results of this study revealed that sweating is not as effective in cooling the ball area of the foot while it is the principal contributor to thermal regulation in the arch area. The model also showed the importance of trapped air in keeping the foot warm, especially in cold conditions. Based on the simulation results, in selecting the shoe sole, and in addition to the conductivity, the thermal capacity of the sole of the shoe needs to be considered. The developed analytical model allowed the investigation of the contribution of all the involved parameters in foot thermal regulation and has shown that a different foot temperature can be achieved when the amount of material versus air is changed in the insole design. This can have practical implications in the insole design for a variety of conditions such as hypo and hyper-thermia in physical activities in sports and exercise settings.

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“…As thermal comfort mainly depends on skin temperature (Bulcao et al, 2000), footwear thermal comfort is more related to increased foot temperature than being relevant to moisture retention (Arezes et al, 2013). In that regard, several experimental works were conducted on foot sole temperature measurement (Carbonell et al, 2019;Kuklane, 2004;Puszkarz and Usupov, 2019;Shimazaki et al, 2016;Shimazaki and Murata, 2015;Taiar et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

A mathematical model to investigate heat transfer in footwear during walking and jogging

Nemati

Moghimi

Naemi

2021

Journal of Thermal Biology

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Thermographic quantitative variables for diabetic foot assessment: preliminary results

Cited by 7 publications

References 22 publications

Thermographic differences due to dynamic work tasks on individuals with different obesity levels: a preliminary study

Thermographic differences due to dynamic work tasks on individuals with different obesity levels: a preliminary study

An Analytical Model to Predict Foot Sole Temperature: Implications to Insole Design for Physical Activity in Sport and Exercise

A mathematical model to investigate heat transfer in footwear during walking and jogging

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