Peer-reviewed veterinary case report
Ulnar fracture with radial dislocation in dogs and cats
By Schwarz, P D & Schrader, S C·Published in Journal of the American Veterinary Medical Association·1984·View original on PubMed →
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Original publication title: Ulnar fracture and dislocation of the proximal radial epiphysis (Monteggia lesion) in the dog and cat: a review of 28 cases.
Plain-English summary
A group of 16 dogs and 12 cats were diagnosed with a specific type of injury called a Monteggia lesion, which involves a fracture in the ulna and dislocation of the radius near the elbow. The most common type of injury involved a cranial dislocation of the radial head along with a cranial angulation of the ulna. Most pets required surgery to fix the bones, but some faced complications like limited movement in the elbow or arthritis later on. After follow-up, 10 of the pets showed good to excellent recovery, while 6 had fair to poor outcomes.
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Abstract
Ulnar fracture with dislocation of the proximal epiphysis of the radius (Monteggia lesion) was diagnosed in 16 dogs and 12 cats. The lesions were classified into 4 types on the basis of direction of the dislocation of the radial head and angulation of the ulnar fracture. Cranial dislocation of the radial head, with cranial angulation of the ulnar fracture (type 1 lesion) was the most common. Radial head chip fractures were frequently associated with the lesions. In 25 cases, open reduction and internal fixation were required. The most common postoperative complications were restricted range of motion in the elbow, osteoarthritis, and recurrent dislocation of the radial head. Follow-up evaluations in 16 cases revealed good to excellent results in 10 animals and fair to poor results in 6 animals.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/6746388/