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Treating Herniated Spinal Disks in Small Breed Dogs

Veterinary Surgeon Dr. Nanai discusses Diagnosis and Treatment for Disk Disease

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Buddy the Dacshund - Dave Hosford / Flickr

Buddy the Dacshund

Dave Hosford / Flickr
Guest Author Dr. Beatrix Nanai, a veterinary neurosurgeon in Miami, Florida discusses spinal disc disease diagnosis and treatment. This is a common health problem in small breed dogs. Learn more about diagnosis and surgical treatment for this condition.

From Dr. Nanai, Veterinary Neurosurgeon:
A herniated spinal disc is one of the most common neurological problems in small-breed dogs. Prompt diagnosis and treatment is essential to avoid permanent paralysis or other long-term problems for the patient.

Disc disease in Dachshunds, Chihuahuas, Beagles and other small breeds can lead to an acute rupture, sending the disc material into the spinal canal at a high velocity. In other cases, the material can seep into the canal, causing either only pain, or a gradually progressive weakness and eventually paralysis.

Depending on the location of the disc herniation, the patient may be paralyzed from the "waist down" (hind limb paralysis) or "from neck down" (unable to use any of the limbs).

In these neurosurgical emergency cases, the prognosis for recovery varies. About 95 percent of the patients who can still feel the hind limbs can make a complete recovery if surgery is done quickly. Otherwise, the outlook is much less favorable. That’s why our team is on call to perform these assessments and surgeries at night and weekends if necessary.

To localize the disc problem, a non-invasive CT scan or an MRI study are the most effective diagnostic tools, followed by contrast spinal studies. This is necessary to rule out other possible problems, such as a spinal tumor, meningitis or other inflammatory diseases.

If the disc has ruptured, the surgery is usually done right away while the patient is still under anesthesia. The procedure usually takes 1- 3 hours, and involves opening the spinal canal, scooping out the disc material and controlling any bleeding. Unlike humans, who walk upright, there is no need to repair the damaged disc and the patient will be able to move normally once fully recovered.

Since this surgery removes the pressure from the spinal cord, many patients feel a sense of relief afterwards. The surgical pain, which is less intense, is managed with balanced pain medications. Additional medications may be needed to relax the urethra so the patient can urinate normally and antibiotics, especially if urinary tract infection is diagnosed.

Sutures on the back can be removed after two weeks, and many patients can walk at that time, even if they stagger a bit. However, just like people after spinal surgery, it can take several months for a complete recovery.

Physical therapy at home or at a professional physical therapy facility can accelerate the process for many patients.

Finally, owners need to understand that because disc degeneration is a condition which most of these small breeds are born with, the patient is at risk for another rupture. If immobility and pain return, another surgery may be necessary in the future.

Thank you, Dr. Nanai, for this informative article on canine disc disease.

From Your Guide
If your dog is reluctant to walk or exercise, lay down or get up, or exhibits pain when picked up or jumping off of the couch, please see your veterinarian. Like humans, dogs (and cats) are prone to joint and bone problems, especially if they are overweight.

About Dr. Nanai
Dr. Beatrix Nanai is a Diplomate of the European College of Veterinary Neurology/ Neurosurgery and the author of several peer-reviewed veterinary neurology related publications. Miami Veterinary Specialists serves as a regional referral, emergency and critical care center for the veterinary community in Miami and the Florida Keys.
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