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Spondylolisthesis

Understanding the Symptoms, Causes and Treatments

Understanding Spondylolisthesis

Spondylolisthesis is a medical diagnosis to describe the forward slippage of one vertebral body in relation to the vertebra below. The spine is made of several motion segments stacked on top of one another to allow for smooth movement in all directions. Each of these segments has three major points of contact including two facet joints and an intervertebral disc. If the facet joint and intervertebral discs degenerate or experience trauma this could lead to abnormal motion and misalignment. Another common cause of spondylolisthesis often diagnosed and treated by the specialists at the Virginia Spine Institute is a stress fracture in the vertebra.

Causes of Spondylolisthesis

The spine is made up of bones, discs, soft tissues, and nerves. There are 7 cervical, 12 thoracic, and 5 lumbar vertebral bodies to make up the spinal column. Each of these vertebral bodies are stacked one on top of another. Between the vertebral bodies are intervertebral discs which act as the shock absorbers of the spine which naturally degenerate as we age. There are two different types of spondylolisthesis: degenerative and isthmic.

A pars fracture also known as spondylolysis is a fracture of the pars interarticularis. Isthmic spondylolisthesis is the medical term for slippage due to this type of fracture. In non-medical terms this means the fracture caused instability and over time the vertebral body slipped forward. This type of fracture may be the result of direct trauma or from a genetic weakness in this area of the bone and commonly occurs in adolescence.

Degenerative spondylolisthesis is caused by arthritic changes to the facet joints or degeneration of the intervertebral disc. With degenerative disc disease, intervertebral discs progressively break down. The discs lose hydration, there is decrease is disc height and function. They are no longer able to provide good structural stability. Recall facet joints are part of the three-joint complex stabilizing the spine. As the facet joints degenerate small ligaments supporting the joint wear down and loosen. This laxity allows the joint to separate more often contributing to a slippage or spondylolisthesis.

Symptoms of Spondylolisthesis

Symptoms of spondylolisthesis depend on the severity of slippage. Symptoms can include pain, discomfort, stiffness, or muscle spasms in the low back. Symptoms of radiculopathy may appear including numbness, tingling, pain, or weakness in the legs. If the slippage is severe and causing detrimental pressure on the spinal nerves, you may develop symptoms of cauda equina syndrome. These include numbness in the groin area or down the legs, loss of bowel or bladder control, urinary urgency, or difficulty with balance or walking. Cauda equina is a spinal emergency and if you are experiencing these symptoms seek immediate evaluation.

 

Diagnosing Spondylolisthesis

At the Virginia Spine Institute we do a comprehensive exam including a detailed medical history as well as physical exam. However to properly diagnose a spondylolisthesis weight bearing radiographs are required. Typical imaging studies include AP, lateral, flexion and extension lumbar views. These vital imaging studies allow your spinal specialists not only to diagnosis a spondylolisthesis but also grade the severity of this slippage. There are 5 different grades of spondylolisthesis and the higher the grade the increased risk of neurologic symptoms.

 

Treatment Options

There are many different treatment options for spondylolisthesis depending on the severity of patients’ symptoms and the degree of slippage. Often, non-operative treatments are started initially. These include spine-specialized physical therapy, core strengthening, manual massage, dry needling, low impact exercise, and maintaining an overall healthy lifestyle.

If patients fail non-operative treatment or are developing worsening neurologic symptoms surgery is often discussed. There are many different approaches for surgical intervention which your spinal specialist at the Virginia Spine Institute will discuss with you in detail. The goal of surgical intervention is to stabilize the spine, alleviate pressure from the nerves, and correct any structural deformity. Every surgical plan is personalized to our patients depending on his or her symptoms or spinal needs.

Here is a list of potential surgical options for spondylolisthesis:

Anterior Lumbar Interbody Fusion (ALIF)

Lateral Interbody Fusion (XLIF, DLIF)

Lumbar Fusion

Posterior Instrumented Fusion (PIF)

Posterior Lumbar Interbody Fusion (PLIF)

Transforaminal Lumbar Interbody Fusion (TLIF)

Featured Video About Spondylolisthesis

What is Spondylolisthesis?

Our Doctors That Treat Spondylolisthesis

Dr. Christopher Good

Spine Surgeon
President of Virginia Spine Institute

Dr. Colin Haines

Spine Surgeon
Director of Research

Dr. Ehsan Jazini

Spine Surgeon

Dr. Thomas Schuler

Spine Surgeon
Founder of Virginia Spine Institute
Chief Executive Officer

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Reviewed by: Dr. Christopher Good.