Thermography based diagnosis of ruptured anterior cruciate ligament (ACL) in canines

Lama, Norsang; Umbaugh, Scott E.; Mishra, Deependra; Dahal, Rohini; Marino, Dominic J.; Sackman, Joseph

doi:10.1117/12.2237462

Cited by 3 publications

(3 citation statements)

References 12 publications

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“…The ability to obtain consistent thermographic images in healthy dogs has been demonstrated (12,13). Thermal imaging has been shown to be useful in detection of several pathological conditions in dogs including osteosarcoma (14), elbow dysplasia (15), cranial cruciate ligament rupture (16,17), and intervertebral disc disease (18). Thermography has also been shown to have applications for canine gait analysis (19,20).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Thermographic Imaging in Canine Hindlimb Muscles After 6 Min of Walking—A Pilot Study

et al. 2020

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Objective: To evaluate changes in superficial temperature of hindlimb muscles before and after a 6-min walk in healthy dogs. Methods: Two infrared thermographic images were captured of the proximal and distal hindlimbs of 11 healthy dogs before and after a 6-min walk. Orthopedic exam and objective gait analysis confirmed the healthy status of study subjects. Superficial temperatures of the gastrocnemius, biceps femoris, and gracilis were assessed. Analysis of images was performed using 2 different methods of region of interest (ROI) selection. ROI were selected first using one point (single pixel) in the muscle and then separately by selecting a line (LN) corresponding to many points of each muscle belly from which an average was taken. P < 0.05 was considered significant. Results: There was no significant change in temperature using point ROI before and after 6 min of walking of the gastrocnemius, gracilis, and biceps femoris muscles (p = 0.273, p = 0.349, p = 0.351, respectively). Using linear ROI, both biceps femoris and gracilis muscles exhibited significant increases in temperature (p < 0.0001, p = 0.032, respectively). There was no significant increase in temperature of gastrocnemius muscle for both point and linear ROI selection (p = 0.273, p = 0.448, respectively). The right biceps femoris temperatures were higher compared to left biceps femoris using the linear ROI before and after walks (p < 0.0001). The overall (left and right limbs pooled) standard deviation of point selected values were greater than LN selected values of the biceps femoris (1.35 and 1.11) and gastrocnemius (1.51 and 1.23). In contrast, standard deviation for the gracilis measurements were decreased using point selection vs. LN selection (1.09 and 1.3). Conclusions: The biceps femoris and gracilis muscles demonstrated significant increases in surface temperature after 6 min of walking using the linear method of ROI. Measurement of numerous points along the entire length of the biceps femoris and gastrocnemius muscles may provide a more accurate assessment of the increased vascularity within the tissues resulting from work compared to single point selection. Clinical Significance: Prior activity and ROI selection method should be considered when interpreting thermography results.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Thermographic Imaging in Canine Hindlimb Muscles After 6 Min of Walking—A Pilot Study

et al. 2020

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“…In animals, thermography represents a potentially safer and cheaper alternative to x-ray, CT and, MRI 49,50 . The technique was applied to study various viral or bacterial diseases, orthopedic conditions like laminitis, tissue perfusion, reproduction issues, production, and welfare 48 .…”

Section: Thermographymentioning

confidence: 99%

“…In dogs, thermography was used for diagnosing bone cancer (sensitivity 100 %, specificity 80 %) 50 . The rest of the problems addressed by thermography belonged to orthopedics where an anterior cruciate ligament (ACL) 49 , hips, stifles, elbows, and disc disease were studied 51,52 . In cats, thermal imaging detected hyperthyroidism with 87.5% accuracy 53 .…”

Section: Thermographymentioning

confidence: 99%

Biophotonics in veterinary medicine: the first steps toward clinical translation

Cugmas

Spīgulis

2019

Optical Diagnostics and Sensing XIX: Toward Point-of-Care Diagnostics

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In this paper, we analyzed the current situation and the potential of biophotonics and biomedical optics in veterinary medicine. Promising optical techniques such as optical coherence tomography, pulse oximeter, and hyperspectral imaging have been clinically translated into human medicine. But even though human and small animal medicine share personalized and state-of-the-art approach, biophotonics remains rarely exploited in the canine and feline medicine. However, there are some biophotonics studies in veterinary oncology which addressed tumor diagnosis (skin and subcutaneous tumors), prognosis (lymphoma), and therapy (clear surgical margins). Visible and near-infrared spectroscopy served for measuring various physiological parameters related to circulation, and photobiomodulation therapy was often used for the management of wounds, skin conditions, and orthopedic problems. In the research, the most popular clinically translated technique is thermography which was applied for the diagnosis of orthopedic problems and diseases as infections and hyperthyroidism. The future optical devices for small animals such as dogs and cats should be robust and resilient to damage (e.g., due to biting, chewing), offering user-friendly and short measurements. In veterinary oncology, biophotonics could replace invasive fine-needle aspiration procedure. The potential of a pulse oximeter for pet monitoring has yet to be explored. What is more, photobiomodulation efficiency should be tested in an extensive clinical (in vivo) study. The technique would be very beneficial in dentistry which currently requires expensive and risky anesthesia.

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Thermographic imaging in a dog with macroglossia from an encircling, strangulating lingual linear foreign body

Angulo

Bach

Snyder

et al. 2021

Topics in Companion Animal Medicine

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Thermography based diagnosis of ruptured anterior cruciate ligament (ACL) in canines

Cited by 3 publications

References 12 publications

Evaluation of Thermographic Imaging in Canine Hindlimb Muscles After 6 Min of Walking—A Pilot Study

Evaluation of Thermographic Imaging in Canine Hindlimb Muscles After 6 Min of Walking—A Pilot Study

Biophotonics in veterinary medicine: the first steps toward clinical translation

Thermographic imaging in a dog with macroglossia from an encircling, strangulating lingual linear foreign body

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