Anterior Lumbar Interbody Fusion (ALIF)

What Is Anterior Lumbar Interbody Fusion (ALIF)?

Anterior lumbar interbody fusion (ALIF) is a spinal fusion procedure performed in the lower back through an incision in the front of the abdomen. During the surgery, the damaged intervertebral disc is removed and replaced with a bone graft or implant, allowing adjacent vertebrae to fuse together and stabilize the spine.

This anterior approach allows direct access to the disc space without disturbing the back muscles, which may help restore disc height, reduce nerve compression, and improve spinal alignment.

Conditions Treated with ALIF

ALIF may be recommended for several lumbar spine conditions, including:

• Degenerative disc disease
• Spondylolisthesis
• Spinal stenosis
• Lumbar spinal instability
• Recurrent disc herniation
• Scoliosis
• Spinal fractures
• Chronic lower back pain not improving with conservative care

These conditions can cause abnormal motion in the spine and compression of nearby nerves.

Symptoms Treated with ALIF

Patients who may benefit from ALIF often experience:

• Persistent lower back pain
• Leg pain or sciatica
• Numbness or tingling in the legs
• Weakness in the lower extremities
• Difficulty standing or walking
• Pain with movement
• Symptoms not improving with conservative treatment

These symptoms typically occur when a damaged disc or unstable spinal segment compresses nearby nerves.

How ALIF Is Diagnosed

Before recommending ALIF surgery, your spine specialist will perform a comprehensive evaluation. Diagnostic testing may include:

• Physical and neurological examination
• X-rays to evaluate spinal alignment
• MRI to identify nerve compression
• CT scan for detailed bone imaging
• Additional imaging when necessary

Surgery is typically considered when conservative treatment has failed to relieve symptoms.

Anterior Lumbar Interbody Fusion Treatment

Non-Surgical Treatment

Conservative treatment is usually attempted first and may include:

• Activity modification
• Anti-inflammatory medication
• Physical therapy
• Epidural steroid injections
• Pain management
• Core strengthening and stabilization exercises

If symptoms persist or worsen, surgical treatment may be recommended.

Surgical Treatment

During ALIF surgery:

• An incision is made in the abdomen
• Muscles and structures are gently moved aside
• The damaged disc is removed
• A bone graft or spacer is inserted
• Screws or plates may stabilize the spine
• Vertebrae fuse together over time

This approach stabilizes the spine and helps relieve nerve compression.

Recovery After ALIF Surgery

Recovery varies depending on the number of levels treated and overall health. Patients may stay in the hospital for several days, followed by gradual return to activity over the next several weeks. Full fusion typically occurs over several months, and physical therapy may be recommended to restore strength and mobility.

Patients are usually advised to avoid heavy lifting, bending, and twisting during early recovery.

When to See an Orthopedic Specialist

You should seek evaluation if you experience:

• Persistent lower back pain
• Pain radiating into the legs
• Numbness or tingling
• Weakness in the lower extremities
• Difficulty standing or walking
• Symptoms not improving with conservative care

Prompt evaluation helps determine whether spinal fusion is appropriate.

Why Choose TMI Sports Medicine & Orthopedic Surgery

TMI provides comprehensive spine care, including conservative treatment and advanced procedures such as anterior lumbar interbody fusion when necessary. Our spine specialists focus on stabilizing the spine, relieving nerve compression, and helping patients return to daily activities safely.