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' Hip Dysplasia'

Hip Dysplasia is a hereditary disease that affects the hip joints of dogs.  It is characterised by a looseness in the hip joint that causes abnormal wear and tear on the femoral head (the ball part of this ball and socket).  The wear and tear leads to the malformation of the ball and socket, and this can lead to arthritis.  Dogs are born with normal hip joints, and dogs affected by hip dysplasia show signs from 5-6 months of age until maturity.  The pain is generated by abnormal arthritic bones rubbing against one another.  Unfortunately arthritis will worsen with time, unless surgery is administered.

Clinical Signs of Hip Dysplasia

Arthritis develops slowly and it can be a considerable time before
you notice that it is affecting your dog.

Early Signs May Include:

* Hopping like a rabbit with the rear legs when running

* Difficulty in rising from a sitting position

* Stiffness in the first few steps after lying down

* Reluctance to walk normal distances or play as hard or as long as normal of dogs of the same age.

Exercise causes these signs to become more prominent.  It is important to remember that dogs DO NOT USUALLY CRY IN PAIN.

Instead they do not use the joint or joints that hurt.  As the arthritis becomes more severe, dogs will be reluctant to play or go on long walks and in extreme cases they may not want to walk at all.  Most dogs have both hips affected, and because of this your dog may not have an obvious limp in one leg depending on if the pain is equal in both hips.

NORMAL HIP JOINT

DYSPLASTIC HIP JOINT

 
   

Diagnosis

Xrays are used routinely to diagnose dogs with hip dysplasia.  In Australia, the xray is performed under general anesthetic and is scored by AVA (Australian Veterinary Association) or Pennhip. 

Xrays will show changes prior to the onset of any clinical sings.  Some dogs may never have any clinical signs, but have severe changes seen on their radiographs. The cost of the Xrays and having the Xray scored is between $200 - $300.

Treatment and Prognosis

The primary treatment is surgery, with sometimes the addition of medical treatment and acupuncture to alleviate arthritis pain.  These treatments do not correct the underlying cause of hip pain. There are a few different types of surgery for dogs suffering from hip dysplasia which depends on age and if arthritis is already present.  The procedures are around 90% effective. Once the proper surgical procedure is completed and the dog has recuperated, a full range of activities can resume.

HIPS ARE SCORED ONCE IN THE DOGS LIFETIME.

 

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