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Diagnostic thermography.

T A Turner1

  • 1Department of Clinical and Population Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA.

The Veterinary Clinics of North America. Equine Practice
|August 8, 2001
PubMed
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Thermography, a noninvasive imaging technique, enhances equine lameness diagnosis by visualizing skin temperature and blood flow. This method aids in early detection of injuries like tendinitis and stress fractures.

Area of Science:

  • Veterinary Medicine
  • Diagnostic Imaging

Background:

  • Thermography provides a pictorial representation of skin temperature by detecting infrared radiation.
  • Skin temperature is directly correlated with blood flow, making thermography a valuable tool for assessing circulation.
  • Accurate thermographic imaging requires a controlled environment, free from drafts and direct sunlight, with uniform hair length on the equine patient.

Purpose of the Study:

  • To highlight the utility of thermography as a diagnostic aid in equine clinical evaluation, particularly for lameness.
  • To emphasize thermography's role in increasing diagnostic accuracy for various equine conditions.
  • To underscore thermography's noninvasive capability in evaluating blood flow to injured regions, especially the equine foot.

Main Methods:

  • Utilizing thermography to detect infrared radiation emitted from the equine patient's skin.

Related Experiment Videos

  • Correlating detected infrared radiation patterns with underlying blood flow and tissue temperature.
  • Implementing controlled environmental conditions (no drafts, no sunlight) and uniform hair length for accurate measurements.

    • Main Results:

    • Thermography detects thermal changes indicative of injury before they are perceptible during a physical exam.
    • The technique is effective for the early identification of conditions such as laminitis, stress fractures, and tendinitis.
    • It serves as a reliable noninvasive method for assessing blood supply to injured areas, including the equine foot and contralateral limbs in convalescing patients.

    Conclusions:

    • Thermography is a practical and accurate diagnostic tool for equine patients, especially in lameness evaluations.
    • It offers noninvasive assessment of blood flow, aiding in early disease detection and injury management.
    • Thermography complements traditional clinical examinations and other imaging modalities like radiology and ultrasonography.