Diagnosis, relative incidence, and probable cause of cunean tendon bursitis-tarsitis of Standardbred horses.

This study examines the diagnosis, occurrence rate, and potential causes of tendon bursitis-tarsitis (inflammation in the tendon joint) in Standardbred horses. Using a unique diagnostic process involving manipulation tests and anesthetic injections, the researchers were able to reduce lameness in the horses and hence, conclude that these techniques are effective for diagnosis.

Methodology

• In this study, researchers evaluated 25 untreated Standardbred horses that were exhibiting slight lameness.
• Manipulation tests were conducted to assist in diagnosing the condition – a technique where the horse’s limbs and joints are moved in certain ways to assess their response and evaluate for signs of discomfort or abnormalities.
• In addition to these tests, anesthetics were injected into the cunean bursa, a sac filled with lubricating fluid that allows for easy movement of the joint. The researchers noted any changes in the horse’s lameness after this injection.

Findings

• After injecting anesthetic into the cunean bursa, it was observed that lameness in each horse was either reduced, or the horse went lame on the opposite limb. This suggests that the condition was localized in the area of the injection.
• Lameness was further improved when the local anesthetic was injected into the distal intertarsal and tarsometatarsal articulations, which are the lower joints of the horse’s hind leg.

Radiographic Examinations

• In a further exploration, radiographic imaging was carried out on four horses.
• These images revealed lesions, or areas of damaged tissue, in the distal articulation (joint) of the hock – the joint found in a horse’s hind legs. This demonstrated clear evidence of physical anomalies that could be associated with the observed lameness.

Implications

• This study indicates that manipulative tests and anesthetic injections into specific joints of the horse’s hind legs can help in diagnosing cunean bursitis-tarsitis.
• The findings also suggest that this condition is likely caused by issues within these specific joints, as confirmed by radiographic images.
• These techniques could potentially be used in the future to diagnose and treat lameness in Standardbred horses, improving their health and performance.