The most superficial cables are those running from the leg to the brain. The cables making up the spinal cord are organised into groups depending on their function within the nervous system. This concussion can sometimes be seen as spinal cord ‘swelling’. However, it can be very difficult to assess how much bruising has occurred – even with these specialised techniques. Myelography, CT or MRI can help to determine how much the spinal cord is being compressed. It is not possible to say how much each of these components contributes to the symptoms in an individual animal by examination alone. ‘Bruising’ of the spinal cord caused by the impact of the disc as it is herniate (concussion component).Pressure of the herniated disc material on the spinal cord (compression component).The symptoms that develop following disc damage are the result of: How do I know how severe the slipped disc is in dogs? Dachshunds, Shi Tzu, and Pekingese are the most commonly affected breeds and signs usually develop around two to four years of age. This type of degeneration is mainly seen in breeds with short ‘bandy’ legs (also known as chondrodystrophic breeds) as these breeds are born with abnormal cartilage. If this happens the annulus fibrosus can tear allowing the, now stiff, nucleus to bulge out and put pressure on the spinal cord (disc extrusion). Disc degeneration is more common in the regions of the spine which are particularly exposed to physical stress (the lower neck, mid-back and lower-back).ĭegeneration can also result in stiffening of the disc as the semi-liquid centre becomes dry and loses its cushioning properties. This causes progressive thickening of the dorsal part of the annulus fibrosus which presses up on the spinal cord (disc protrusion). Degeneration of the disc as a result of a premature ageing process.Rupture of a healthy disc can be caused by trauma (such as a road traffic accident, or a fall from height) with tearing of the annulus fibrosus.Patient Care Assistants and TechniciansĪ slipped disc in dogs is a veterinary neurology issue that can happen in two ways:.
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