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Hip dysplasia: a feline population study
G G Keller1, A L Reed, J C Lattimer
1Orthopedic Foundations for Animals, Columbia, MO 65201, USA.
Summary
Feline hip dysplasia affects approximately 6.6% of cats, with incidence varying by breed. Radiographic signs in cats differ from dogs, featuring shallow acetabulums and specific acetabular margin changes.
Area of Science:
- Veterinary Radiology
- Canine and Feline Orthopedics
Background:
- Hip dysplasia is a common orthopedic condition in dogs.
- Limited data exists on the prevalence and radiographic presentation of hip dysplasia in cats.
Purpose of the Study:
- To determine the frequency of feline hip dysplasia.
- To describe the radiographic signs of hip dysplasia in cats.
- To compare radiographic findings in cats and dogs.
Main Methods:
- Retrospective evaluation of ventrodorsal pelvic radiographs from 684 cats.
- Radiographs taken between 1991-1995 at a veterinary teaching hospital.
- Independent assessment by three board-certified veterinary radiologists to establish consensus.
Main Results:
- A prevalence of 6.6% (45/684) for feline hip dysplasia was identified.
- Hip dysplasia incidence demonstrated breed dependency.
- Radiographic signs included shallow acetabulum with cranio-dorsal acetabular margin remodeling/proliferation, differing from canine presentations.
Conclusions:
- Feline hip dysplasia is present in approximately 6.6% of the studied population.
- Breed influences the incidence of feline hip dysplasia.
- Distinct radiographic features characterize feline hip dysplasia compared to dogs.