NeoSpine: Outpatient Spine Surgery Centers

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Alternative to Spinal Fusion: Cervical Artificial Disc

A cervical artificial disc is designed to replace an intervertebral disc damaged by neck disorders such as degenerative disc disease or disc herniation.  Cervical disc replacement surgery is an alternative to spinal fusion in carefully selected patients.

• Spinal fusion fuses or permanently joins two vertebral bodies and eliminates movement at that level. 
• An artificial disc allows movement by mimicking the properties of the human intervertebral disc.   In theory, disc replacement protects other discs by sharing the stress during movement.  In addition, the cervical spine is stabilized, mobility is maintained, and lost disc height is restored.

There are different artificial disc designs.  Implant composition includes hard (metal) and soft (nonmetal) materials.

• Metal, such as stainless steel
• Nonmetal, such as polyethylene
• Combination

An artificial disc replaces the entire intervertebral disc – the annulus fibrosis, nucleus pulposus, and usually the endplates, depending on the type of device. 

When Spine Surgery May Be Recommended

Most patients with a cervical problem do not need spine surgery, such as fusion and instrumentation.  Some of the reasons why your doctor may recommend cervical spine surgery include:

• Nonsurgical treatments do not help resolve pain and other symptoms.  These treatments include medication, spinal injections, and physical therapy.
• Neurological symptoms are progressive, worsen and involve the arms and/or legs.  These symptoms include numbness, tingling, and/or weakness.
• You experience problems with balance and have trouble walking. 
• Your general health is good. 

Patient Selection Important

Since cervical artificial discs are not indicated to treat all spinal disorders or patients, evaluation by a skilled spinal surgeon is essential.  If an artificial disc is a good choice for you, your surgeon will explain the type of device to be implanted.  Along with information about the artificial disc, you will learn about the benefits and risks of the device and procedure.

Possible Risks and Complications

Any surgical or medical procedure presents risks.  Your surgeon will explain what your personal risks are so you can make an informed decision. 

Conclusion

Our surgeons use the latest technologies in spine care and believe cervical artificial discs benefit carefully selected patients.  If you have questions, please talk to your surgeon to find out if cervical disc replacement is appropriate to treat your spinal disorder.