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| Canine Hip Dysplasia |
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Click to go: Articles > Canine Hip Dysplasia
Canine Hip Dysplasia afflicts millions of dogs each year and can result in
debilitating orthopaedic disease of the hip. It is caused when the femoral
head does not fit properly in the hip socket, causing instability of the
joint. Over time, this malformation can cause Degenerative Joint Disease
which causes increased pain and immobility. Characterized by varying
degrees of hip joint laxity, subluxation (partial dislocation), and severe
arthritic change. Hip Dysplasia's clinical signs vary widely from virtually
none in some affected dogs to being a crippling disease in others.
Hip Dysplasia is the most common inherited orthopedic disease in large
and giant breed dogs and also occurs in several medium-sized breeds. The
disease is inherited with a polygenic mode of inheritance, meaning that
multiple genes must be present for the disease to exhibit itself. It is not
known however which genes are involved nor how many. In most cases,
Hip Dysplasia occurs bilaterally (in both legs). However, in approximately
7% of cases, only one hip is affected.
Through selective breeding strategies, veterinarians and breeders are
attempting to eliminate Canine Hip Dysplasia. All breeding dogs should
be x-rayed and certified clear by the Orthopedic Foundation of Animals
(OFA) and/or by the University of Pennsylvania Hip Improvement
Program (PennHip).
Additional Information:
debilitating orthopaedic disease of the hip. It is caused when the femoral
head does not fit properly in the hip socket, causing instability of the
joint. Over time, this malformation can cause Degenerative Joint Disease
which causes increased pain and immobility. Characterized by varying
degrees of hip joint laxity, subluxation (partial dislocation), and severe
arthritic change. Hip Dysplasia's clinical signs vary widely from virtually
none in some affected dogs to being a crippling disease in others.
Hip Dysplasia is the most common inherited orthopedic disease in large
and giant breed dogs and also occurs in several medium-sized breeds. The
disease is inherited with a polygenic mode of inheritance, meaning that
multiple genes must be present for the disease to exhibit itself. It is not
known however which genes are involved nor how many. In most cases,
Hip Dysplasia occurs bilaterally (in both legs). However, in approximately
7% of cases, only one hip is affected.
Through selective breeding strategies, veterinarians and breeders are
attempting to eliminate Canine Hip Dysplasia. All breeding dogs should
be x-rayed and certified clear by the Orthopedic Foundation of Animals
(OFA) and/or by the University of Pennsylvania Hip Improvement
Program (PennHip).
Additional Information:
- Hip Dysplasia - Canine Inherited Disorders Database
- Canine Hip Dysplasia - Southern California Veterinary Surgical Group
- Development, Clinical Signs, and Treatment of Hip Dysplasia - From
the Southern California Veterinary Referral Group - Canine Hip Dysplasia - The Bernese Mountain Dog Club of America,
Inc. - Understanding Hip Dysplasia and Hip Scoring - From the Saint
Bernard Club Inc. - The Pet Arthritis Resource Center - an informational resource for
anyone looking for information on arthritis in dogs, arthritis in cats,
hip dysplasia, arthritis treatments, and glucosamine for pets. - The Importance of Good Positioning on Canine Hip X-rays
