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Cervical Disc Replacement Surgery

Cervical discs serve as cushions or shock absorbers between the bones (vertebra) of your neck (cervical spine). Your cervical spine is composed of six total cervical discs. Damaged cervical discs due to trauma or general wear and tear degeneration can cause extreme pain, numbness, tingling, and lack of mobility.

At Barrington Orthopedics, our highly-qualified, expert specialists can perform cervical disc replacement, a procedure designed to remove a damaged cervical disc and replace it with an artificial implant. This FDA-approved treatment option can relieve painful pressure on spinal nerves. Our team will work alongside you throughout your surgery and provide you with a personalized rehabilitation plan to ensure a healthy and quick recovery. 

If you’re struggling with neck pain, do not allow your condition to worsen. Schedule your first consultation with the team at Barrington Orthopedic Specialists today. If you’re in an emergency situation, visit the Immediate Care Clinic at our Schaumburg, IL location.

What Is Cervical Disc Replacement Surgery?

Cervical disc replacement is a surgical procedure that involves removing a damaged or degenerated cervical disc and replacing it with an artificial disc device. Cervical discs are the cushions or shock absorbers between the bones (vertebra) of the neck (cervical spine). Discs that become damaged either through trauma or degeneration can be a source of pain. If part of a disc moves out of its normal position it can cause pressure on the central spinal cord or on the individual nerve roots that exit from the spinal canal at each vertebral level. Over time, the body’s reaction to a disrupted disc is the formation of bone spurs called osteophytes which can also cause pressure on the spinal cord or nerve roots. Disc disruption and degeneration can be a source of neck pain as well as cause neurologic symptoms which may include pain, numbness or weakness that radiates from the neck into one or both arms.

The standard initial treatment for symptomatic cervical disc disease typically involves physical therapy, medications, and occasionally spinal injection procedures. If the symptoms continue and are very bothersome for more than 6-12 weeks, surgical treatment can be considered. Some patients with a disc herniation that is localized off to one side of the spinal canal can be managed with a procedure performed on the back of the neck called a posterior discectomy or lamino-foraminotomy. However, the most common and traditional operation for symptomatic cervical disc disease involves an anterior cervical discectomy and fusion surgery.

With the anterior cervical discectomy and fusion technique, an incision is made in the front of the neck which allows the surgeon to remove the damaged and protruding disc and associated bone spurs in order to relieve any pressure on the spinal cord and nerve roots. After the disc is removed, the gap that has been created between the two bones is then typically filled with a piece of bone graft (obtained from a cadaver or from the patient’s pelvis) or with a synthetic (titanium or medical grade plastic) cage device. Once the pressure on the nerves has been relieved, the goal of the procedure is to cause the two bones to grow together (called a fusion) resulting in a complete loss of motion at the surgical level. In the anterior cervical discectomy and fusion procedure, a plate with screws is frequently applied to the front of the spine to provide initial stability which assists in achieving a solid fusion. Following the fusion, patients are often immobilized for up to six weeks in a cervical collar. X-rays are taken at different times after the surgery to determine whether the fusion has healed.

More recently, cervical disc replacement, also known as total disc arthroplasty, has become an FDA approved option for surgically treating symptomatic cervical disc disease. This procedure is similar to the anterior cervical discectomy and fusion except that the defect that is created by removing the disc from between the two vertebrae is filled with a disc replacement device. A disc replacement device is typically composed of two metallic surfaces one of which is attached to the upper and the other to the lower vertebra at the affected disc level. These metal implants can then slide on each other directly or can be separated by a piece of medical grade plastic. The device allows for motion between the two vertebrae to be maintained and avoids the need for a fusion. The disc replacement device can be secured in place with screws or it may have a press fit anchor that holds the implant to the bones.

It is important to understand that disc replacement is a newer procedure with less of a track record than the more traditional anterior cervical discectomy and fusion surgery. Cervical disc replacement has only been available in the United States for the past several years; however, the procedure has been performed in Europe for more than 20 years. The randomized FDA trials evaluating cervical disc replacement in the United States found clinical results that were equivalent (if not slightly superior) to anterior cervical discectomy and fusion. More data on disc replacement is being generated every year, but both patients and physicians must understand that this is a newer surgical option with longer term results that will need to be watched closely.

Cervical disc replacement does offer several practical and theoretical benefits over more traditional fusion surgery. Using a disc replacement device preserves motion at the affected level which may protect against accelerated degeneration of the discs above and below the disc replacement. While the goal of protecting of the adjacent disc levels is very important, it is not fully know exactly how much a fusion causes accelerated degeneration at the remaining discs. It should also be noted that the protective effect of a disc replacement on the remaining discs has not yet been definitively proven. Another potential benefit of disc replacement is that disc replacement surgery does not require any bone grafting. Additionally, since the bones are not being fused together, the possibility of a non-healed spinal fusion (called a non-union or pseudarthrosis) is eliminated. Moreover, with disc arthroplasty there is no need for a plate to be placed on the front of the spine. Avoiding the need for a plate may potentially lessen irritation of the esophagus and reduce swallowing difficulty that sometimes occurs following anterior cervical surgery. Finally, with disc replacement surgery, cervical collar immobilization is typically decreased to a week or less, compared to the standard 4 to 6 weeks of immobilization usually prescribed after fusion surgery.