Concurrent patellar fracture and lateral collateral ligament avulsion as a result of trauma in three horses.
Summary of "Concurrent patellar fracture and lateral collateral ligament avulsion as a result of trauma in three horses."
Case Description-3 horses were evaluated because of lameness and swelling of the stifle joint subsequent to trauma. Clinical Findings-All horses had characteristic clinical signs of stifle joint pain and effusion. A medial patellar fracture and lateral collateral ligament avulsion fracture were visible ultrasonographically in each. Radiography, including standard as well as flexed lateromedial, cranioproximal-craniodistal oblique (skyline patellar), and laterally stressed caudocranial views, revealed similar findings. Treatment and Outcome-Arthroscopic surgery to remove the patellar fracture was attempted in 1 horse with severe desmitis of the lateral collateral ligament; it remained lame afterward. The other 2 horses, with less severe collateral ligament damage, were managed conservatively and returned to athletic use, despite the lack of surgical intervention to repair the patellar fractures. Clinical Relevance-Special radiographic views were necessary for diagnosis of medial patellar fracture and lateral collateral ligament avulsion fracture in the 3 horses. Ultrasonographic findings pertaining to the collateral ligament may be prognostically important in such situations. The severity of a fracture involving ligament avulsion may be the limiting factor in horses with this combined injury, and this factor should be considered prior to attempting surgical correction of patellar fractures.
Affiliation
Infield Equine Diagnostics, PO Box 744, Williston, FL 32696.
Journal Details
This article was published in the following journal.
Name: Journal of the American Veterinary Medical Association
ISSN: 1943-569X
Pages: 1218-22
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22559112
- DOI: http://dx.doi.org/10.2460/javma.240.10.1218
Medical and Biotech [MESH] Definitions
Lateral Ligament, Ankle
There are two lateral ligaments of the ankle - internal and external. The internal lateral ligament is attached to the apex and anterior and posterior bodies of the inner malleolus and inserted into the navicular bone, the inferior calcaneo-navicular ligament, the sustentaculum tali of the os calcis, and the inner side of the astragalus. The external lateral ligament, also called the lateral collateral ligament, consists of three distinct fasciculi - the calcaneofibular, the anterior talofibular, and the posterior talofibular.
Patellar Ligament
A band of fibrous tissue that attaches the apex of the PATELLA to the lower part of the tubercle of the TIBIA. The ligament is actually the caudal continuation of the common tendon of the QUADRICEPS FEMORIS. The patella is embedded in that tendon. As such, the patellar ligament can be thought of as connecting the quadriceps femoris tendon to the tibia, and therefore it is sometimes called the patellar tendon.
Bone-patellar Tendon-bone Graft
Fixation of the ANTERIOR CRUCIATE LIGAMENT, during surgical reconstruction, by the use of a bone- patellar tendon autograft.
Sprains And Strains
A collective term for muscle and ligament injuries without dislocation or fracture. A sprain is a joint injury in which some of the fibers of a supporting ligament are ruptured but the continuity of the ligament remains intact. A strain is an overstretching or overexertion of some part of the musculature.
Medial Collateral Ligament, Knee
The ligament that travels from the medial epicondyle of the FEMUR to the medial margin and medial surface of the TIBIA. The medial meniscus is attached to its deep surface.
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