Spinal Fusion
Spinal fusion is a surgery that permanently joins two or more vertebrae so they heal into a single, solid segment of bone. It is used to treat instability, deformity such as scoliosis or spondylolisthesis, and certain cases of degenerative disc disease or nerve compression. The goal is to stop painful motion at the affected level.
Procedure overview
What happens during Spinal Fusion?
- Performed under general anesthesia; duration varies widely, commonly two to six hours depending on how many levels are fused and the technique.
- A hospital stay of one to four days is typical, longer for larger surgeries.
- Walking usually begins within a day; bending, lifting, and twisting are restricted for weeks to months.
- The bone fusion itself matures over roughly three to six months, and your surgeon may monitor it with X-rays.
- Full recovery commonly takes six months to a year, often with physical therapy along the way.
Recovery
What is recovery like after Spinal Fusion?
Spinal fusion recovery is measured in months, because the goal is for two vertebrae to grow together into solid bone. Many people are up and walking the day after surgery, and walking is the single best early activity. Most avoid bending, lifting, and twisting for several weeks to protect the fusion, and a brace is sometimes used. Desk work often resumes in four to six weeks, while heavier work can take three months or more. The bone continues to fuse and strengthen for six months to a year. Report fever, drainage, new leg weakness or numbness, or any loss of bladder or bowel control right away.
Top spine surgeons
Addison T. Stone
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VerifiedJose E. Rodriguez
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VerifiedCommon questions
How long does it take to recover from spinal fusion?
Light activity typically resumes within a few weeks, but the fusion itself takes months to become solid. Full recovery commonly takes six months to a year, depending on the size of the surgery and your overall health.
Will I lose flexibility after a fusion?
The fused level no longer moves, but for one- or two-level fusions most people notice little change in everyday movement. Larger fusions have more noticeable effects, which your surgeon should discuss beforehand.
What are the alternatives to spinal fusion?
Depending on the diagnosis, alternatives may include physical therapy, injections, decompression-only surgery such as laminectomy or microdiscectomy, or artificial disc replacement in select cases. Fusion is typically reserved for instability or deformity that other options cannot address.
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What conditions does Spinal Fusion treat?
This page provides general information only and is not medical advice. Consult a qualified physician about your specific situation. Listings are not endorsements.