What is lumbar spinal fusion?

Dr. Henry E. Aryan, MD

Lumbar spinal fusion is surgery to join, or fuse, painful back bones (vertebrae). The fused section heals into a single, solid bone.

For this procedure, doctors remove the bones, spinal discs and ligaments that are pressing on your nerves and spinal canal. A spinal instrument helps keep your spine still (stable).

Lumbar spinal fusion can help treat severe stenosis (narrowing of the spinal canal) and spinal instability that causes loss of function and intense pain in the back and legs.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.