Spinal Fusion vs. Laminectomy: How Surgeons Determine the Right Treatment Approach

Each year, about 900,000 adults in the United States undergo spine surgery to address issues such as chronic back pain, nerve compression, and mobility limitations. 

Many people assume that these operations take a similar approach. However, that typically isn’t the case. Surgical techniques vary greatly, depending on symptom severity, the underlying cause of the condition, and the surgeon’s unique training.

Two of the most common types of spine surgery are spinal fusion and laminectomy. In many cases, these procedures can be performed using minimally invasive spine surgery techniques to limit tissue damage and support faster healing.

At HAAS Spine & Orthopaedics in Glendale, Santa Ana, and Upland, California, Dr. Stepan Kasimian specializes in both techniques. In this blog, he explains the differences, including when he recommends each approach and factors that may influence his decision.

Spinal fusion vs. laminectomy: Understanding the difference

Here’s a closer look at the difference between spinal fusion and laminectomy:

Spinal fusion

Spinal fusion is a type of surgery that treats spinal instability. It involves fusing two or more vertebrae (backbones) to help stabilize your spine and prevent excessive movement.

You may benefit from this treatment approach if your vertebrae move out of proper alignment due to general wear-and-tear or injury (spondylolisthesis), or if you’ve been diagnosed with:

• Degenerative disc disease
• Spinal stenosis
• A vertebral compression fracture

During surgery, Dr. Kasimian repairs any damaged discs or removes bone spurs if either is present. He then places a bone graft between the affected vertebrae and uses hardware, such as rods, screws, or pins, to hold the graft in place.

The vertebrae join together as your body heals, and the graft causes new bone to grow and strengthen the connection.

Laminectomy 

A laminectomy is a type of surgery that relieves pressure on a pinched nerve caused by conditions such as a herniated disc or spinal stenosis. It may be recommended if you experience chronic symptoms like radiating pain, numbness, and weakness.

During this procedure, Dr. Kasimian removes a piece of bone from the topside of a vertebra (lamina) to relieve pressure on a specific area of your spine. He may also widen the area around the compressed nerve or disc to prevent recurring symptoms.

Sometimes, a laminectomy is performed alongside spinal fusion. This is typically recommended when removing the lamina would increase the risk of spinal instability.

How a surgeon decides between these two procedures

To determine the type of spine surgery that will most benefit you, Dr. Kasimian reviews your health history and asks about your symptoms, including where the pain occurs, how severe it is, and if certain activities, such as bending, lifting, or twisting, worsen it. 

He also completes a comprehensive physical exam and orders diagnostic imaging to get a closer look at your vertebrae, intervertebral discs, and the surrounding tissues.

Generally speaking, spinal fusion is recommended for people with spinal instability, while a laminectomy is recommended for people with nerve compression. If you’re diagnosed with both conditions, Dr. Kasimian may recommend that you have both procedures simultaneously.

Factors that influence spinal surgery recommendations

Spinal surgery is only recommended when other conservative treatments, such as medication, physical therapy, and activity modification, fail to provide lasting pain relief. 

Before recommending either approach, Dr. Kasimian considers various factors, including:

• The severity of your symptoms
• The location and type of your spinal issue
• Your age, activity level, and general health
• Any previous history of spinal surgery
• Your goals and desired outcomes

After gathering all this information, he develops a personalized treatment plan.

Ready to find lasting pain relief?

If you’re struggling to manage chronic back or neck pain, spine surgery may be worth considering — and we’re here to help you understand your options. 

Contact your nearest HAAS Spine & Orthopaedics office in Glendale, Santa Ana, or Upland, California, today. You can also use our online booking feature to request an appointment at your convenience.