Intervertebral Disc Disease

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                      General Information



The spine is made up of bony segments called vertebrae, which are

joined by ligaments, muscles and fibrous structures called

intervertebral discs.  The intervertebral discs act as shock

absorbers between vertebrae.



A disc consists of a fibrous outer ring and an inner section that

is soft and jelly-like.  The fibrous outer ring is thinner at the

top portion than it is at the bottom.  When a disc becomes

diseased, either through gradual degeneration or injury, the

thinner top portion of the outer ring gives way, and the disc

bulges into the spinal canal located directly above the disc.  If

the disc ruptures completely, the outer ring collapses, and the

inner jelly-like portion is forced into the spinal canal.



The spinal cord is located in the spinal canal.  A bulging or

ruptured disc causes pressure or damage to the spinal cord,

resulting in pain, weakness, incoordination or paralysis.



Intervertebral disc disease is diagnosed by physical signs,

neurologic tests and radiographs (x-rays).  In some cases, a dye

must be injected into the spinal canal so that areas of damage

will show up on the radiographs (x-rays).  This procedure is

called myelography.



                 Important Points in Treatment



1.  Both medical and surgical treatments are used for

    intervertebral disc disease.  Such factors as age, severity

    and duration of signs, neurologic findings and physical

    status help determine whether surgery should be performed.

    In many cases, hospitalization is necessary for effective

    medical treatment.



2.  Exercise:  Exercise should be severly restricted for ____

    weeks.  Do not let your pet jump up on or down from

    furniture, engage in rough play or chase balls.



3.  Medication:  All medication must be given as directed.

    Please call the doctor if you cannot complete any

    treatments.



4.  Diet:  If your pet is overweight, weight reduction is

    desirable, since excess weight puts additional strain

    on the back.  In all cases, less food is necessary

    during the treatment period due to the exercise

    restriction.



    ____Feed as follows:





        Notify the Doctor if Any of the Following Occur:



    * Your pet seems increasingly uncomfortable.



    * Your pet loses control of its bowel movements or is

    constipated.



    * Your pet has difficulty urinating.



    * Your pet has breathing problems, rigid front legs or

    seizures.