Degenerative Disc

Degenerated discs are a common back problem. The spinal discs, which are soft, gelatinous cushions that separate the vertebrae, wear down during the aging process. Because the discs function as between-the-bones shock absorbers, allowing the spine to bend and twist, this deterioration can result in serious back pain. As discs are damaged or wear away, the amount of space between the vertebrae gets smaller. As the space narrows, joints are placed under greater stress, resulting in further degeneration.

Risk Factors for Degenerated Discs

Although discs degenerate to a degree from normal aging, there are risk factors that increase the likelihood of symptomatic disc degeneration. They include the following:

  • Repeated heavy lifting
  • Obesity
  • Smoking
  • Bone spurs

An acute injury to the back also increases the potential for disc degeneration.

Symptoms of Degenerated Discs

Compression of the spinal nerves can cause symptoms that include tingling/numbness, muscle weakness, loss of balance/ coordination, and pain and stiffness. Back pain is often worse when sitting, lifting, bending or twisting, and walking or lying down typically helps alleviate the pain.

Diagnosis of Degenerated Discs

In order to diagnose a degenerated disc, a physician takes a medical history, and performs a comprehensive physical examination that includes checking for numbness or weakness, and testing reflexes to determine whether any muscles have atrophied. Several imaging examinations may also be administered; they include X-rays, to assess spine alignment; MRI scans, to observe any compression of the spinal cord; and CT scans, to evaluate the size of the spinal canal and visualize bone spurs. A myelogram, which uses contrast dye for improved visualization during X-rays or CT scans, may also be administered.

Complications of Degenerated Discs

Although a disc can degenerate anywhere along the 26 vertebrae of the spine, it happens most frequently in the lumbar region (lower back) or the cervical region (neck). In addition to pain, degenerated discs can result in complications that include the following:

  • Osteoarthritis
  • Herniation of a disc
  • Spinal stenosis (narrowing of the spinal canal)
  • Bone spurs

Any of these complications can worsen the patient's condition.

Treatment of Degenerated Discs

In many cases, nonsurgical options provide a patient with relief from a degenerated disc. Bed rest and anti-inflammatory medications can help decrease swelling and pain. If the affected disc is in the cervical region, a soft collar can limit range of motion, and alleviate pressure on nerve roots. Physical therapy may be recommended to stretch and strengthen the muscles of the abdomen, back and, possibly, the neck. Epidural injection of corticosteroids can help to reduce swelling, and greatly relieve pain in the affected area.

A relatively new form of minimally invasive treatment is intradiscal electrothermal therapy, during which a catheter with a heating coil is inserted through a needle into the affected disc. The heat strengthens the collagen fibers that hold the disc together, strengthening tissue while destroying excess nerve fibers. Intradiscal electrothermal therapy is often successful in decreasing damage and pain.

If a patient's back pain does not respond to these conservative treatments, surgical intervention may be required. If a disc has become herniated and is pressing on a nerve, a discectomy may be recommended to remove the disc entirely. The removed disc may be replaced by a synthetic disc that can restore shock absorption and improve mobility between vertebrae. In more severe cases, spinal-fusion surgery, which involves removing the disc and fusing the nearby vertebrae to increase stability in the spine, may be performed.

Comprehensive Neurosurgery proudly serves Lewisville, TX and the surrounding areas. To schedule a consultation for a Degenerative Disc, call us at 972.394.4600 today or fill out our contact form for more information.


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