Infrared imaging technology and biological applications

Kastberger, Gerald; Stachl, Reinhold

doi:10.3758/bf03195520

Cited by 161 publications

(130 citation statements)

References 16 publications

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“…The main problems in measuring body and skin temperature are associated to the difficulty in recording them without inducing other stress reactions due to presence or handling by humans (Berz, 1998). Thus, infrared thermography may be used to remotely assess skin temperature, which is due to the infrared black-body emission (Jones and Plassmann, 2002), without interfering with the animal's behavioural reactions (Kastberger and Stachl, 2003). The thermographic technique in order to evaluate the stress response has been successfully applied in some research on domestic animals, although it has not yet been widely used in rabbits.…”

Section: Introductionmentioning

confidence: 99%

Technical note: Applicability of infrared thermography as a non invasive measurements of stress in rabbit.

Ludwig¹,

Gargano²,

Luzi³

et al. 2010

World rabbit sci.

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Among the main physiological stress indicators, the temperature evaluation is very important and innovative because it may be monitored without directly interacting with the animal. The use of a thermographic system, which is based on the detection of infrared radiation emitted by a subject, is a suitable method in order to measure temperature without any contact. In this research, a thermographic system was employed in order to single out the rabbit skin's zones most suitable for the temperature monitoring during stress challenges. Six hybrid rabbits were observed during induced stress; the areas selected as reference were: the ocular area (globe and periocular area), the internal auricle pavilion, and a shaved area of the head. The results of this pilot study show that the thermographic technique is a suitable method for the evaluation of temperature on rabbit. The best areas singled out were the eye bulb, the periocular area and the ear skin. The results concerning the effect of stress on cutaneous temperature showed that during stress condition a decrease in temperature occurs with respect to the basal condition (ΔT~1°C) and this trend is more evident for the auricle pavillion. In fact, this reaction is more evidenced in the ear skin, where a vasoconstriction process occurs. Moreover, corticosterone levels slightly increase (P=0.08) following the stressor's challenge due to tonic immobility test. In this research, both temperature and the change in corticosterone level show that the stress reaction induced by tonic immobility test is stronger than the one due to the other stressors applied to rabbits.

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Section: Introductionmentioning

confidence: 99%

Technical note: Applicability of infrared thermography as a non invasive measurements of stress in rabbit.

Ludwig¹,

Gargano²,

Luzi³

et al. 2010

World rabbit sci.

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“…Areas of increased heat indicate increased blood flow, which can be correlated with inflammation, infection or malignancies. Cold spots show decreased circulation pointing to nerve damage, blood clot or scar tissue (Bruehl et al, 1996;Kastberger et al, 2003;Krumova et al, 2008;Ng, 2009;Rusch et al, 2000;Varju et al, 2004). In the field of veterinary medicine, where localization of pain sometimes is not possible, the IR diagnostic system, used in combination with a clinical examination and additional imaging modalities, provides highly effective results by pinpointing areas of suspicion (Brenner et al, 2006;Craciunescu et al, 2009;Infernuso et al, 2010;Kastberger et al, 2003;Poljak-Blazi et al, 2009;Stubsjoen et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Fairly recent innovations have reduced costs, increased reliability and resulted in noncontact infrared (IR) sensors offering mobile and smaller units for measurement (Brenner et al, 2006;Kastberger and Stachl, 2003). IR thermography visualises characteristic, unusual or pathogenic temperature patterns on the surface of the skin.…”

Section: Introductionmentioning

confidence: 99%

“…Cold spots show decreased circulation pointing to nerve damage, blood clot or scar tissue (Bruehl et al, 1996;Kastberger et al, 2003;Krumova et al, 2008;Ng, 2009;Rusch et al, 2000;Varju et al, 2004). In the field of veterinary medicine, where localization of pain sometimes is not possible, the IR diagnostic system, used in combination with a clinical examination and additional imaging modalities, provides highly effective results by pinpointing areas of suspicion (Brenner et al, 2006;Craciunescu et al, 2009;Infernuso et al, 2010;Kastberger et al, 2003;Poljak-Blazi et al, 2009;Stubsjoen et al, 2009). In human medicine, thermography has already been effectively used for non-invasive assessment of disease activity in osteoarthritis of the knee, hands and the tempomandibular joint (Boas, 1964;Fikackova and Ekberg, 2004;Salisbury et al, 1983;Selfe et al, 2006;Spalding et al, 2008), as well as in rheumatic arthritis (Boas, 1964;Brenner et al, 2006;Salisbury et al, 1983;Spalding et al, 2008), scleroderma, Raynaud´s disease (Chikura et al, 2010;Schlager et al, 2010), frozen shoulder or rotator cuff tendinitis (Vecchio et al, 1992), breast cancer (Arora et al, 2008;EtehadTavakol et al, 2010;Gescheit et al, 2010;Ng, 2009), reflex sympathetic dystrophy (Bruehl et al, 1996;Krumova et al, 2008;Niehof et al, 2008), sexual dysfunction (Seeley et al, 1980;Smith et al, 2009) and for the evaluation of patellofemoral arthralgia (kneecap pain) in athletes …”

Section: Introductionmentioning

confidence: 99%

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Thermal Imaging as a Noninvasive Diagnostic Tool for Anterior Knee Pain Following Implantation of Artificial Knee Joints

Glehr¹,

Stibor²,

Sadoghi³

et al. 2011

Int. J. Thermo

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The variety of radiographic diagnostics used to diagnose pain localised close to metal implants is still limited. Especially magnetic resonance results can not be analysed because of artefacts. In this article we present for the first time a direct correlation between an increase in skin temperature and existent frontal (anterior) knee pain after implantation of artificial knee joints measured with thermography. In a standardised way 26 knees were analysed. Thermographic photos were taken from frontal, inner (medial) and outer (lateral) directions with a computer-assisted infrared thermograph. Temperatures in locations with pain were significantly higher compared to the reference field in inner location (median 0.95 °C, p=0.0043), as well as in outer location (median 0.5 °C, p=0.032). Median temperature difference between pain localization and localizations without pain was 0.7 °C and ranged from 0.1 °C to 1.7 °C. In the receiver operating characteristic (ROC) analysis the sensitivity of this method was 1.0 and specificity was 0.917. The evidence of a significant increase in skin temperature on the painful sites opens up the possibility to localize and assess pain more precisely in patients with joint prosthesis. We consider this novel, rapid, inexpensive and non-invasive technology to posses the potential to become a useful and objective tool for diagnosis of pain and inflammation and to generate digital data that can be stored and analysed in clinical practice.

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“…Abnormal thermal patterns are easily recognizable using thermal infrared technology, which may allow the early diagnosis of inflammation (Lahiri et al, 2012). Thermal infrared images have been frequently used in veterinary medicine (Kastberger & Stachl, 2003;Bouzida et al, 2009;Nääs et al, 2014), and provides a non-invasive estimation of the lesion.…”

Section: Introductionmentioning

confidence: 99%

Risk of Incidence of Hock Burn and Pododermatitis in Broilers Reared under Commercial Conditions

Jacob

Baracho

Nääs

et al. 2016

Rev. Bras. Cienc. Avic.

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The most common lesions observed in commercial broiler farms are hock burns and pododermatitis, defined as necrotic lesions on the plantar surface of the footpads and in the hock of growing broilers, causing pain and compromising broiler welfare. The present study aimed at identifying the risks of hock burns and pododermatitis in broilers reared under commercial conditions on new or reused litter. Twenty-four 40-d-old broilers reared in two houses in a commercial broiler farm. The plantar surface of the footpads and the hocks of broiler were recorded using infrared thermal images. The incidence of hock burns in broilers reared on new litter was 0.72 times lower than those on reused litter. Broilers reared on new litter presented lower risk (0.75, RR<1) of presenting pododermatitis when compared to those reared on reused litter. When simulating the risk using a larger sample, the simulated risk of broilers presenting footpad and hock lesions when reared on new litter was 38% higher those reared on reused litter.

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Infrared imaging technology and biological applications

Cited by 161 publications

References 16 publications

Technical note: Applicability of infrared thermography as a non invasive measurements of stress in rabbit.

Technical note: Applicability of infrared thermography as a non invasive measurements of stress in rabbit.

Thermal Imaging as a Noninvasive Diagnostic Tool for Anterior Knee Pain Following Implantation of Artificial Knee Joints

Risk of Incidence of Hock Burn and Pododermatitis in Broilers Reared under Commercial Conditions

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