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Radial carpal bone fractures in 15 dogs
1Division of Small Animal Clinical Studies, University of Glasgow Veterinary School, Bearsden.
The Journal of Small Animal Practice
|March 4, 2000
Summary
This study investigated radial carpal bone fractures in adult dogs, finding persistent lameness despite various treatments. The radial carpal bone
Area of Science:
- Veterinary Orthopedics
- Canine Bone Fractures
- Comparative Anatomy
Background:
- Radial carpal bone fractures in adult dogs are uncommon, often occurring without significant trauma.
- Boxers are disproportionately represented among affected breeds.
- The etiology of these fractures remains unclear, prompting investigation into potential underlying weaknesses.
Purpose of the Study:
- To characterize radial carpal bone fractures in adult dogs.
- To evaluate treatment outcomes for surgical and conservative management.
- To explore potential anatomical predispositions to fracture.
Main Methods:
- Retrospective case series of 15 adult dogs with radial carpal bone fractures.
- Documented signalment, fracture characteristics, treatment modalities (surgical and conservative), and follow-up duration.
- Surgical interventions included cast immobilization, fragment removal, lag screw fixation, and pan-carpal arthrodesis.
Main Results:
- All 15 dogs experienced persistent lameness, exacerbated by exercise, regardless of treatment.
- Eleven dogs underwent surgical treatment, while four received conservative management.
- Follow-up periods ranged from two months to 11 years, with no complete resolution of lameness reported.
Conclusions:
- Radial carpal bone fractures in adult dogs are associated with poor prognosis for complete lameness resolution.
- The radial carpal bone possesses multiple ossification centers whose fusion lines may represent inherent weaknesses.
- Further research into the biomechanics and etiology of these fractures is warranted.