Single-level lumbar interbody spine fusion

What is Single-level Lumbar Interbody Spine Fusion?

Single-level lumbar interbody spine fusion is a surgical procedure which involves fusing two vertebrae. This fusion helps to reduce pain and stiffness in the lower back, as well as stabilizing the spine and helping it support the weight of the upper body. This fusion is done primarily on patients with degenerative disc disease, disc herniation, or spondylolisthesis, conditions where the discs between the vertebrae have deteriorated, ruptured, slipped, or been damaged due to age, trauma, or repetitive use.

Why Perform a Single-level Lumbar Interbody Spine Fusion?

This operation is usually recommended when nonsurgical treatments such as medications and physical therapy no longer provide relief or pain reduction. The fusion may help to reduce the pain associated with these conditions, as well as help to stabilize the spine and keep it from worsening.

Steps To Single-level Lumbar Interbody Spine Fusion Surgery

  • The skin near the spine is opened with a surgical incision, and surrounding muscles are gently moved away so the spine can be accessed.
  • Using a technique called discectomy, the surgeon removes the disc material between two vertebrae, creating more space.
  • Before the two vertebrae are placed back together, a bone graft is inserted between them.
  • In some cases, the graft may be combined with a device called an interbody cage, which helps the two bones fuse together.
  • Holes are then drilled in the two vertebrae as well as in the bone graft, to allow for the passage of screws and rods that will stabilize the area.
  • Finally, the incision is closed with stitches or staples.

Complications and Risks

Serious complications are rare, but possible. The risks increase if the patient is over fifty years old or obese. Infection, nerve damage, and persistent pain can occur. Before undergoing surgery, the patient should discuss any concerns with their doctor.