Detection of carpal tunnel syndrome by infrared thermography

Maxel, X.; Bodnar, Jean-Luc; Stubbe, Laurent

doi:10.1051/meca/2014034

Cited by 8 publications

(8 citation statements)

References 28 publications

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“…Ultrasonography (US) is also widely used because it can quantitatively evaluate swelling of the median nerve and carpal tunnel outlet, and it allows guided administration of the injection through real-time visualization 5 – 7 . Electrodiagnosis, however, can mainly detect pathologies in thick-myelinated fibers; its sensitivity for detecting injuries of thin-unmyelinated fiber is relatively low 8 . Although US allows direct visualization of the morphology of the median nerve and carpal tunnel, its ability to assess the neurophysiological state is limited 9 .…”

Section: Introductionmentioning

confidence: 99%

“…Several studies have attempted to investigate the clinical usefulness of DITI for CTS; however, currently, DITI has not shown consistent clinical value for CTS 19 , 20 . During the early stage of CTS, thin-unmyelinated fibers are damaged and thick-myelinated fibers are injured as the disease progresses 8 , 9 , 21 . We thought that these inconsistent results were based on the lack of consideration of temporal neurophysiological changes during CTS.…”

Section: Introductionmentioning

confidence: 99%

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Application of digital infrared thermography for carpal tunnel syndrome evaluation

Park

Kim

Lee

et al. 2021

Sci Rep

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We investigated the thermographic findings of carpal tunnel syndrome (CTS). We enrolled 304 hands with electrodiagnostically identified CTS and 88 control hands. CTS hands were assigned to duration groups (D1, < 3 months; D2, 3‒6 months; D3, 6‒12 months; D4, ≥ 12 months) and severity groups (S1, very mild; S2, mild; S3, moderate; S4, severe). The temperature difference between the median and ulnar nerve territories (ΔM-U territories) decreased as CTS duration and severity increased. Significant differences in ΔM-U territories between the D1 and D3, D1 and D4, D2 and D4, and S1 and S4 groups (P = 0.003, 0.001, 0.001, and < 0.001, respectively) were observed. Thermal anisometry increased as CTS duration and severity increased. Significant differences in thermal anisometry between the D1 and D4 as well as the D2 and D4 groups (P = 0.005 and 0.04, respectively) were noted. Thermal anisometry was higher in the S4 group than in the S1, S2, and S3 groups (P = 0.009, < 0.001, and 0.003, respectively). As CTS progresses, skin temperature tends to decrease and thermal variation tends to increase in the median nerve-innervated area. Thermographic findings reflect the physiological changes of the entrapped median nerve.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Application of digital infrared thermography for carpal tunnel syndrome evaluation

Park

Kim

Lee

et al. 2021

Sci Rep

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“…The instructions given to patients in order to limit the maximum interference with the thermal camera were that they should not [43,46]: Apply topical skin medication where the analysis should be performed the previous day of the experiment. Have their menses.…”

Section: Preparation Instruction For Patientsmentioning

confidence: 99%

“…In this study, the human body was analysed. [46] Skin emissivity is equal to 0.98 in the long wave infrared range. [20,24,25] These two properties led to the choice of a long wave infrared camera.…”

Section: Choice Of the Infrared Thermography Cameramentioning

confidence: 99%

Stimulated infrared thermography applied to differentiate scar tissue from peri-scar tissue: a preliminary study

Riquet¹,

Houel²,

Bodnar³

2016

Journal of Medical Engineering & Technology

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Every human injury leads to a scar formation. The healing process leads to the formation of new tissue: the scar, which is different from the original tissue. This process is influenced by mechanical strength and the local vasculature is modified. The purpose of this study is to show that there are various temperatures between the scar and the peri-scar area associated with the healing process that can be estimated using the thermal infrared camera. In the study, 12 scars were stimulated by cold. Several changes of temperature were observed between scar and peri-scar area for 10 min. Scars appeared significantly colder with a Wilcoxon test (p = 0.01). Results showed that stimulated infrared thermography can be used to monitor the temperature difference between the scar and peri-scar tissue.

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“…The diagnosis of neuromuscular pathology by infrared thermography (IT) is based on the existence of thermal symmetry and asymmetry between normal and abnormal sites [ 17 , 18 ]. IT works by measuring the temperature distribution of a surface, which offers several advantages, because it is non-invasive, non-contact, non-radioactive, and painless, and the results are easy to reproduce (thermal imaging); it also has a low operating cost [ 10 , 19 , 20 , 21 ]. A broad range of research has proven the effectiveness of IT in diagnosing CTS [ 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

Quantitative Models for Prediction of Cumulative Trauma Disorders Applied to the Maquiladora Industry

Cázares-Manríquez

Camargo-Wilson

Vardasca

et al. 2021

IJERPH

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Temperature gradient changes on the surface of the skin or in the middle of the body are signs of a disease. The aim of this study is to develop quantitative models for the prediction of cumulative trauma disorders (CTDs) arising from highly repetitive activities, considering risk factors, such as age, gender, body mass index (BMI), blood pressure (BP), respiratory rate (RR), and heart rate, to prevent injuries in manufacturing factory operators. This research involved 19 individuals from the area of sanding and 14 individuals from the area of tolex in manufacturing factories who had their vital signs and somatometry taken, as well as thermal images of their hands in the dorsal and palmar areas; an evaluation by the OCRA method was also applied. Factors such as BP and heart rate were determined to significantly influence the injuries, but no strong association with BMI was found. Quadratic regression models were developed, the estimates of which were adequately adjusted to the variable (R2 and R2 adjusted > 0.70). When integrating the factors of the OCRA method to the generated models, a better fit was obtained (R2 and adjusted R2 > 0.80). In conclusion, the participants who present levels out of the normal range in at least one of the factors have high probabilities of developing injuries in their wrists.

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Detection of carpal tunnel syndrome by infrared thermography

Cited by 8 publications

References 28 publications

Application of digital infrared thermography for carpal tunnel syndrome evaluation

Application of digital infrared thermography for carpal tunnel syndrome evaluation

Stimulated infrared thermography applied to differentiate scar tissue from peri-scar tissue: a preliminary study

Quantitative Models for Prediction of Cumulative Trauma Disorders Applied to the Maquiladora Industry

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