Posterior Cervical Fusion

Posterior cervical fusion is a surgical procedure performed to stabilize the cervical spine and to relieve pain in the uppermost region of the back. The cervical spine begins at the base of the skull and consists of seven vertebrae with discs between them. One of the most important parts of the body, the neck is also the most articulate portion of the spine, moving more freely and in more directions than the other sections. Beyond that, the cervical spine is also responsible for protecting the spinal cord and providing support to the skull, which in turn protects the brain. Because of the neck’s vital functions, injury or disease of the cervical spine is a very serious condition.

The discs or joints (facets) between the vertebrae can be congenitally deformed or may become damaged due to injury, causing pain and mobility issues. Normally, such problems are initially treated with conservative methods, such as analgesics and physical therapy, and only if these methods are unsuccessful is surgery contemplated.

Reasons For A Posterior Cervical Fusion

A posterior cervical fusion procedure is recommended when it is necessary to provide stability to the upper spine following a fracture or other substantial damage in the area. The most common reason for this surgery is a fracture of one of the neck vertebrae through traumatic injury. The procedure may also be performed on patients who are experiencing excessive motion between the vertebrae of the cervical spine or to correct a spinal abnormality. During a cervical fusion, two or more damaged vertebrae are fused, increasing spinal stability and decreasing the pain associated with misaligned cervical movement.

The Posterior Cervical Fusion Procedure

As the name implies, posterior cervical fusion is performed from the back, with the patient lying face down on the operating table. This surgery is performed with the patient under general anesthesia. By making the incision in the midline of the back of neck, the surgeon can approach the damaged vertebrae more efficiently than if the incision were made through the front of the throat. Research has shown that patients undergoing the procedure using the posterior approach experience less bleeding and recover more quickly.

Once the surgeon is able to locate the targeted region of the spine, any damaged tissue, whether degenerated disc material, bone spurs or other debris, is removed. At this point, the surgeon attaches a bone graft, obtained either from the patient’s pelvis or from a donor bone bank, to each of the affected vertebrae, allowing them to grow together over time. In some cases, a synthetic bone graft made of morphogenetic protein, may be used instead of actual bone. The morphogenetic protein has the added advantage of actually stimulating bone growth. In most cases, the use of instrumentation is necessary during a posterior cervical fusion surgery. This typically involves the implantation of metal rods and screws to maintain the bones’ positions as they fuse. Once the surgeon is finished, the incision is stitched closed. In most cases, a rigid collar is placed around the patient’s neck for spinal support during recovery.

Risks Of A Posterior Cervical Fusion

Although a posterior cervical fusion is a safe, commonly performed procedure, all forms of surgery carry some risks. The risks associated with posterior cervical fusion may include infection, excessive bleeding, adverse reactions to anesthesia, injury to the spinal cord, damage to nerves or arteries, blood clots and paralysis.

Recovery From A Posterior Cervical Fusion

Typically, after the posterior cervical fusion surgery is complete, a hospital stay of 1 to 3 days is required. Full recovery, however, may take between 4 and 5 weeks and during this time the patient’s activities are restricted. A program of physical therapy is normally recommended to promote a more successful recovery and to achieve maximum postsurgical mobility.

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