Spinal Fusion

Severe back or neck pain, nerve compression and spinal instability can make even simple movements excruciating. When the spine needs stabilization, spinal fusion surgery can relieve symptoms, prevent abnormal movement between vertebrae and improve function.

At Hoag Orthopedic Institute, our orthopedic spine surgeons use advanced surgical techniques, including minimally invasive and robotic-assisted approaches, to get you back to your life’s pursuits.

Our orthopedic surgeons and neurosurgeons are specially trained in complex spine procedures, including spinal fusion surgery. From minimally invasive and robotic surgery techniques, to the most complex of cases, HOI spine surgeons have the expertise to get you back to doing what you love.

What is Spinal Fusion?

Spinal fusion is a surgical procedure that can repair injuries and conditions of the bones (vertebrae) of the back (spine). Spinal fusion procedures stabilize the spine by fusing together two or more vertebrae, using bone grafts, metal rods, and screws.

Spinal fusion can correct debilitating conditions, such as:

Injuries to spinal vertebrae
Abnormal curvatures of the spine, such as scoliosis or kyphosis
Weakness or instability of the spine caused by infections or tumors
Degenerative disorders that damage spinal discs and joints
Slipped or herniated disc
Severe spinal arthritis

Spinal fusion surgery eliminates motion between vertebral segments, removing a significant source of back pain. The surgery also halts the progression of spinal deformity, such as scoliosis. Most spinal fusions target only small segments of the spine and do not significantly limit motion.

Conditions That Spinal Fusion Treats

Your spine specialist may recommend spinal fusion to treat and repair the effects of severe spine conditions that cause pain, weakness, or instability, such as:

Severe, unrelenting back or neck pain that no longer responds to therapy or medications
Spinal fractures that make the spine unstable or put pressure on the nerves
Spinal nerve compression causing pain, numbness, or weakness that radiates into the arms or legs
Progressive spinal deformity that makes it difficult to stand straight or move comfortably
Spinal instability that leaves you unsteady when walking or even standing
Loss of mobility and independence that prevents you from working, exercising, or enjoying daily life

In these situations, spinal fusion may provide stability, reduce pain, and restore mobility when more conservative treatments are no longer effective.

Benefits and Risks of Spinal Fusion Procedures

Spinal fusion can bring meaningful relief when pain and instability have taken over daily life. By stabilizing weak or damaged segments of the spine, the procedure may:

Reduce or eliminate chronic pain caused by abnormal motion or nerve compression
Restore spinal stability, making standing, walking, and daily activities safer
Slow or stop the progression of spinal deformity, such as scoliosis or kyphosis
Protect nerves and the spinal cord, reducing the risk of further injury

As with any surgery, spinal fusion carries risks. These may include the possibility of infection, blood clots, or complications with bone healing and hardware placement. Some patients may also lose a small amount of flexibility in the fused area. Your surgeon will review these risks with you in detail and explain how modern techniques — including minimally invasive robotic-assisted procedures — help reduce them.

The Spinal Fusion Surgery Process

Spinal fusion surgery can be performed in many ways, but each approach uses a bone graft to help the vertebrae grow together into one solid segment, eliminating motion at that level. Surgeons may place small bone chips between the vertebrae to be fused. Sometimes larger grafts are used to provide immediate structural support. The graft materials may come from the patient (autogenous bone) or from another individual (allograft bone). Once the graft is in place, metal rods and screws hold the vertebrae steady while the fusion develops.

A successful spinal fusion depends on several factors: an accurate diagnosis, an experienced and fellowship-trained spine surgeon, and a patient who is committed to their rehabilitation and restoration and recovery.

Recovery Timeline After Spinal Fusion

Following spinal fusion surgery, you can expect a gradual, steady recovery. Most patients spend a few days in the hospital before returning home. By that time, many are able to walk independently, though a cane or walker may be recommended for added safety during the first days or week. In the first 6–8 weeks, light activity and walking are encouraged, while bending, lifting, and twisting are limited. Physical therapy begins once healing has progressed, helping restore strength and mobility.

Full spinal fusion and recovery may take several months, with improvement continuing for up to a year until you can fully resume your active lifestyle.

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Spinal Fusion Surgery at a Glance

Spinal fusion surgery permanently joins two or more vertebrae using bone grafts and often screws or rods to stabilize the spine and reduce painful movement.

Used to treat: Injuries to vertebrae, abnormal curvatures, weakness, slipped or herniated disc, severe arthritis
What to expect: Most patients are hospitalized from one to a few days. The surgeon will place bone or bonelike materials in the space between two bones. Metal plates, screws or rods may hold the bones together. They will then fuse and heal.
Recovery typically includes: Walking within 48 hours, medication to manage postoperative pain and stiffness, physical therapy and resuming activities over three to six months. Complete fusion takes six to twelve months.
You may be a candidate for spine fusion surgery if: You have significant spinal instability, progressive deformity or persistent symptoms from a spinal condition that requires surgical stabilization.

At Hoag Orthopedic Institute, our fellowship-trained orthopedic surgeons and neurosurgeons are specially trained in complex spine procedures, including spinal fusion surgery. From the most minimally invasive and robotic surgery techniques, to the most complex of cases, HOI spine surgeons have the expertise to help you get you back to doing what you love.

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