Abstract: The purpose of this study was to report long-term outcome following arthroscopic debridement of articular cartilage lesions of the distal interphalangeal joint, diagnosed with high-field magnetic resonance imaging. Diagnosis was based on the results of diagnostic anesthesia, magnetic resonance imaging (MRI), and arthroscopy. Ten horses underwent arthroscopic evaluation for cartilage injury and received various intra-articular therapies after surgery. Three of ten horses had lesions that were surgically inaccessible. Four horses became sound and returned to their preoperative level of athleticism, and 1 horse returned to performance with continued intermittent lameness. None of the horses with an inaccessible lesion achieved soundness. Duration of lameness before surgery, preoperative evidence of degenerative joint disease, and surgical accessibility of cartilage injury did not exhibit clear influence on outcome. As a primary cause of lameness, articular cartilage injury of the distal interphalangeal joint carries a guarded prognosis for soundness with surgical therapy. Résultat d’un débridement arthroscopique d’une blessure du cartilage dans l’articulation interphalangienne distale. Le but de cette étude consistait à signaler les résultats à long terme après un débridement arthroscopique des lésions du cartilage articulaire de l’articulation interphalangienne distale, diagnostiqués par résonance magnétique de haute résolution. Le diagnostic s’est fondé sur les résultats de l’anesthésie diagnostique, de l’image par résonance magnétique (IRM) et de l’arthroscopie. Dix chevaux ont subi une évaluation arthroscopique d’une blessure du cartilage et reçu diverses thérapies intra-articulaires après la chirurgie. Trois des dix chevaux avaient des lésions qui étaient inaccessibles par chirurgie. Quatre chevaux se sont rétablis et sont retournés à leur niveau préopératoire de constitution athlétique et un cheval est retourné à la performance avec une boiterie intermittente persistante. Aucun des chevaux avec une lésion inaccessible ne s’est rétabli. La durée de la boiterie avant la chirurgie, les signes préopératoires de maladie articulaire dégénérative et l’accessibilité chirurgicale d’une blessure du cartilage n’ont pas eu une influence claire sur les résultats. Comme cause principale de boiterie, la blessure du cartilage articulaire de l’articulation interphalangienne distale comporte un pronostic réservé pour le rétablissement avec une thérapie chirurgicale.(Traduit par Isabelle Vallières).
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This research discusses the long-term outcomes of a surgical procedure called arthroscopic debridement on injuries of the articular cartilage in the joint of a horse’s lower limb. The study indicates that this type of injury carries a guarded prognosis for recovery, despite surgical treatment.
Objectives of the Study
The study was aimed at understanding the long-term outcome of arthroscopic debridement for articular cartilage lesions in the distal interphalangeal joint of horses.
The team used high-field magnetic resonance imaging (MRI) to diagnose these injuries.
Methodology
Diagnosis for this study was based on three key results: diagnostic anesthesia, magnetic resonance imaging, and arthroscopy.
Arthroscopic evaluation was conducted on ten horses that had experienced cartilage injury.
Following surgery, the horses received various intra-articular therapies.
Findings of the Study
Out of the ten horses, three had lesions that were inaccessible surgically.
Four of the ten horses achieved soundness and returned to their preoperative level of athleticism, while one horse returned to performance with continued intermittent lameness.
None of the horses with inaccessible lesions could attain soundness.
The study also observed that there were no clear influences on the outcome concerning the duration of lameness before surgery, preoperative evidence of degenerative joint disease, and the surgical accessibility of the cartilage injury.
Conclusion
The research concluded that articular cartilage injury in the distal interphalangeal joint is a primary cause of lameness in horses.
Despite surgical therapy, the prognosis for soundness is guarded, indicating a level of uncertainty about a positive outcome.
Cite This Article
APA
Warnock WR, Marsh CA, Hand DR.
(2019).
Outcome of arthroscopic debridement of cartilage injury in the equine distal interphalangeal joint.
Can Vet J, 60(7), 731-736.
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