Canine Hip Dysplasia (CHD)

What is Canine Hip Dysplasia?How is Canine Hip Dysplasia Diagnosed?
Canine Hip Dysplasia (CHD) is a congenital diseaseInitial assessment involves taking a history of the
that mainly affects large breed dogs. The worddog, and examining obvious clinical signs. The only real
"dysplasia" means improper growth. Hip dysplasia canway to see if a dog is suffering from CHD is through
be described as a faulty or abnormal development ofX Rays. If found early enough in pups, surgery can
the hip. In CHD, the hip becomes loose and wobbly,correct the problem.
eventually leading to a form of arthritis which isWhat Is the Treatment of Canine Hip Dysplasia?
commonly referred to Degenerative Joint DiseaseTreatment for CHD can be as mild as recommending
(DJD). The degree of lameness that occurs is usuallyrest, or as severe as surgery, depending on the
dependent upon the extent of arthritic changes inseverity of the dysplasia, amount of DJD, the age of
the hip joint. So too do environmental conditions suchthe dog, the size of the dog, and many other
as amount of physical exercise, and weight gainfactors, treatment will vary.
contribute to the disease, and bring out symptoms.Possible Conservative Treatment
What Are the Symptoms of Canine Hip Dysplasia?- Weight monitoring
The symptoms of CHD depend on the severity of- Moderate exercise
the dysplasia. Another factor is the whether or not- Pain relief medication
degenerative joint disease (DJD) is present. Dogs less- Joint and health supplements
than 1 year old have a tendency to have periods ofPossible Surgical Treatment
acute bilateral (or unilateral) lameness in their rear legs.Currently there are three main surgical procedures
Older dogs with CHD exhibit rear limb lameness withused in for the treatment of CHD.
an obvious weight displacement to the forelimb (frontTriple Pelvic Osteotomy (TPO)
paws). Furthermore, the signs of lameness becomeIn this procedure, three separate bone cuts are
more obvious with exercise or after a minor trauma.made in order to free the acetabulum component
Again depending on the degree of joint destruction,(the socket or cup) of the hip joint from the rest of
visible signs vary.the pelvis. The acetabulum is then rotated to provide
Typical signs arebetter coverage. A bone plate is secured to maintain
- Generally less active.this new position and allow the bone cuts to mend.
- Problem with stairs.The procedure is for large breed dogs, no older than
- Less jumping10 months of age. Candidates for this surgery must
- Trouble rising, or laying down.only have mild CHD and no arthritis present.
- When running will exhibit a A Bunny hopping @ gaitFemoral Head Ostectomy (FHO)
- Painful reaction to the extension of the rear legs.In this procedure, the head of the femur is removed.
- A faint popping sound coming from the hip.The residual portion of the femur forms a "false"
Are All Dogs at Risk Canine Hip dysplasia?joint with muscle, tendons and ligaments. Even
CHD can occur in any dog. However, large breedthough the false joint is not as superior as the
dogs are at a higher risk. The Orthopedic Foundationoriginal, most dogs experience a great reduction in
of Animals (OFA) believes that some of the breedspain. This particular surgery is far more effect in
at highest risk are:smaller dogs, with most experiencing an almost
Bulldognormal function of the hip.
PugTotal hip replacement (THR)
OtterhundIn this procedure the head and neck of the femur
Clumber Spanielare both replaced with either stainless steel or
Neapolitan Mastifftitanium implants. This surgery is used on young dogs
St. Bernardwho have fully matured developed physically. THR is
Boykin Spanielalso used in older dogs who weigh a minimum 40lbs.
Sussex SpanielIf done correctly, the procedure can be very
American Bulldogsuccessful; however it is only done by a select few,
Newfoundlandand is very expensive.
American Staffordshire TerrierIs There Any Way to Prevent Canine Dysplasia?
BloodhoundCHD is a combination of genetics and environmental
Bullmastifffactors. Responsible breeders are working on
Chesapeake Bay Retrieverreducing the chances of CHD by breeding dogs that
Golden Retrieverare less likely to produce pups that will have the
Gordon Setterdisease, by better sceening methods.
RottweilerEnvironmental factors do NOT cause CHD. Instead,
Chow Chowthey bring out the symptoms in a dog that already
Old English Sheepdoghas the disease. Responsible owners can help dogs
Kuvaszwith CHD by addressing these environmental
Norweigan Elkhoundvariables. By closely monitoring a dog's diet, for
Giant Schnauzerexample, owners can insure that a pup will not grow
German Shepherdtoo fast, or become over weight. Here is a list of
Bernese Mountain Dogvariables that can be controlled in order to nurture a
English Setterdog with CHD.
Black and Tan Coonhound- Limit rough play, jumping, climbing stairs or slick
Shih Tzufloors.
Staffordshire Terrier- Monitor food intake.
Welsh Corgi- Calcium supplementation (may increase the bone
Beagleremodeling).
Briard- Forced running for any distance, especially on
Brittanytarmac, asphalt or other hard surfaces
Bouvier des flandres- Have your dog certified by The Orthopedic
Welsh Springer SpanielFoundation for Animals (OFA)
Curly Coated RetrieverThs website only provides BASIC information about
Polish Lowland SheepdogCanine Hip Dysplasia. your veterinarian is always your
Portugese Water Dogbest source of health information. Consult your
English Springer Spanielveterinarian for more information about CHD and its
Pudel Pointerprevention.
Irish Water Spaniel