Learn About Posterior Interbody Surgery

Posterior Lumbar Interbody Fusion (PLIF)

In a PLIF surgery, the patient lies prone (face down) to access the spine. The surgeon will remove the disc material to prepare the disc space for the interbody. Two devices (likely straight interbodies in either PEEK or 3D printed titanium alloy) will be implanted side-by-side on either side of the spine. Pedicle screws are placed to help stabilize the spine. This may be performed through traditional open incision or minimally invasive approach.

Transforaminal Lumbar Interbody Fusion (TLIF)

The TLIF surgery resembles the PLIF technique, but it allows the insertion of one implant (likely a curved interbody in either PEEK or 3D printed titanium alloy).

This may be performed through traditional open incision or minimally invasive approach.

This can be in tandem with minimally invasive screw systems.

COMMON CAUSES AND SYMPTOMS

This approach may be used for cases of degenerative disc disease (DDD) of the lumbar spine.

Spondylolisthesis or Retrolisthesis

Spondylolisthesis causes the forward motion (or slip) of one vertebral body over the one below it. This can be caused by a traumatic accident or from degenerative disc disease (DDD). DDD can also cause retrolisthesis, which is a vertebral body slipping backward.

Degenerative Disc Disease (DDD)

Degenerative disc disease (DDD) is attributed to age and general wear and tear that presents in the disc area with herniated discs or osteophytes (bone spurs). These can cause collapse and pressure on the nerve roots and/or spinal cord. In the lumbar spine, this occurs most often due to load on the lower spine. This could be due to weight, gravity, or lifting as the lumbar spine carries 80% of body weight when standing.

 

TREATMENT

Depending on the issue, a posterior lumbar surgery may be an option when non-surgical techniques do not relieve symptoms. The primary goals are to decompress neural elements, restore height/lordosis, and stabilize/fuse the spine.

Speak with your doctor if you are experiencing symptoms or for more information.

If you are a surgeon or distributor interested in CoreLink products, please contact us.

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