Clinical applicability of infrared thermography in rheumatic diseases: A systematic review

Branco, Joaquim Henrique Lorenzetti; Branco, Ruy Luiz Lorenzetti; Siqueira, Thaìs Cristina; Souza, Loiane Cristina de; Dalago, Keyla.M.S.; Andrade, Alexandro

doi:10.1016/j.jtherbio.2021.103172

Cited by 16 publications

(10 citation statements)

References 35 publications

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“…There is good correlation between LSCI and IRT for the assessment of digital perfusion [30]. IRT is an effective tool for assessing patients with rheumatic disease, but protocols require recording acclimatization time, distance between the camera and the individual, temperature, and ambient humidity [31 ▪▪ ]. IRT assessment of SSc hands is often combined with a local cold challenge to allow dynamic vascular assessment under conditions thought to simulate those responsible for an attack of RP.…”

Section: Infrared Thermographymentioning

confidence: 99%

Imaging techniques for assessment of vascular involvement in systemic sclerosis

Frech

2022

Current Opinion in Rheumatology

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Purpose of reviewVascular assessment in systemic sclerosis (SSc) is included in classification criteria for this disease, thus routinely used in the evaluation of patients in which this diagnosis is being considered. In this review, imaging techniques for assessment of vascular involvement in SSc hands and skin are discussed. Recent findingsLongitudinal use of imaging techniques has important implications for understanding the progressive vasculopathy and fibrotic transition in SSc. Nailfold and oral capillaroscopy as well as laser speckle contrast analysis are established techniques for vascular functional assessment, but longitudinal use is challenged by equipment costs and clinical time constraints. Ultrasound techniques are well described but require technical training. Advances in mobile infrared thermography and optical coherence tomography could potentially provide a point-of-care, quantitative outcome measure in clinical trials and practice.

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Section: Infrared Thermographymentioning

confidence: 99%

Imaging techniques for assessment of vascular involvement in systemic sclerosis

Frech

2022

Current Opinion in Rheumatology

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“…This technique takes advantage of digital cameras to record and quantify the process of skin thermoregulation, effectively assessing digital perfusion, although it requires careful monitoring of acclimation time, camera-individual distance, ambient temperature, and humidity, as well as proper characterization of subjects (especially gender, smoking habit) [79,[85][86][87][88]. Moreover, it can be combined with a local cold challenge: exposure to a localized cold stimulus largely mimics an RP attack, thus allowing dynamic vascular assessment [89].…”

Section: Infrared Thermography (Irt)mentioning

confidence: 99%

Correlation between Microvascular Damage and Internal Organ Involvement in Scleroderma: Focus on Lung Damage and Endothelial Dysfunction

et al. 2022

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Background. Systemic sclerosis (SSc) is an incurable connective tissue disease characterized by decreased peripheral blood perfusion due to microvascular damage and skin thickening/hardening. The microcirculation deficit is typically secondary to structural vessel damage, which can be assessed morphologically and functionally in a variety of ways, exploiting different technologies. Objective. This paper focuses on reviewing new studies regarding the correlation between microvascular damage, endothelial dysfunction, and internal organ involvement, particularly pulmonary changes in SSc. Methods. We critically reviewed the most recent literature on the correlation between blood perfusion and organ involvement. Results. Many papers have demonstrated the link between structural microcirculatory damage and pulmonary involvement; however, studies that have investigated correlations between microvascular functional impairment and internal organ damage are scarce. Overall, the literature supports the correlation between organ involvement and functional microcirculatory impairment in SSc patients. Conclusions. Morphological and functional techniques appear to be emerging biomarkers in SSc, but obviously need further investigation.

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“…Digital infrared thermographic imaging (DITI) has been utilized as an ancillary diagnostic method for various medical conditions related to the upper extremities. For instance, cervical radiculopathy; peripheral nerve entrapment syndrome (e.g., carpal tunnel syndrome); rheumatic disease (e.g., Raynaud’s disease); complex regional pain syndrome; tendinopathy; hand arthritis (e.g., psoriatic arthritis); and skin cancer can be confirmed by DITI [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 ]. The hypo-radiant (hypothermia) or hyper-radiant (hyperthermia) regions can be identified by comparing the temperature between the right and left arms or with empirical normal ranges.…”

Section: Introductionmentioning

confidence: 99%

Reference Standards for Digital Infrared Thermography Measuring Surface Temperature of the Upper Limbs

2023

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(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 (°C) and temperature discrepancy between the right and the left sides (ΔT) of each ROI varied significantly (p < 0.001), ranging from 28.45 ± 5.71 to 29.74 ± 5.14 and from 0.01 ± 0.49 to 0.15 ± 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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Clinical applicability of infrared thermography in rheumatic diseases: A systematic review

Cited by 16 publications

References 35 publications

Imaging techniques for assessment of vascular involvement in systemic sclerosis

Imaging techniques for assessment of vascular involvement in systemic sclerosis

Correlation between Microvascular Damage and Internal Organ Involvement in Scleroderma: Focus on Lung Damage and Endothelial Dysfunction

Reference Standards for Digital Infrared Thermography Measuring Surface Temperature of the Upper Limbs

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