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Spondylolisthesis is a spinal condition in which one vertebra slips forward over the vertebra below. Degenerative spondylolisthesis usually occurs in the lumbar (low back) spine, more commonly at L4-L5 (4th and 5th lumbar vertebral levels). Spondylolisthesis can result from degenerative changes in the vertebral structure that causes the joints between the vertebrae to slip forward and may lead to spinal stenosis. Degenerative spondylolisthesis is most common among older female patients, usually over age 60.
Slip of L5 vertebra on sacrum
Some people with spondylolisthesis are symptom-free and discover the disorder when seeing their doctor for another health problem. Symptoms may include:
Our comprehensive diagnostic process includes:
X-ray showing spondylolosthesis
Lumbar spine MRI showing spondylolosthesis
Classification of Spondylolisthesis
Information from your medical file and imaging studies is used to grade the degree of vertebral slippage from mild to severe. The grade of your spondylolisthesis is explained to you along with what it means.
Doctors use the Meyerding Grading System to classify the degree of vertebral slippage. This system is easy to understand. Slips are graded on the basis of the percentage that one vertebral body has slipped forward over the vertebral body below.
Your doctor considers the degree of slip and factors, such as intractable pain and neurological symptoms, when deciding on the most suitable treatment. Most cases of degenerative spondylolisthesis are Grade I or II. As a general guideline, the more severe slips (Grades III and above) are most likely to require surgical intervention.
Most cases of degenerative spondylolisthesis are treated without surgery. Treatment may include:
Degenerative spondylolisthesis can be progressive. This means the spondylolisthesis worsens with time and may cause spinal stenosis. This is why it is important to follow-up with your doctor to monitor your treatment progress and spondylolisthesis.
If your degenerative spondylolisthesis progresses or causes neurologic problems, such as incontinence, surgery may be recommended. Spinal instrumentation (i.e. rods, screws) and fusion (bone graft) are common procedures performed to stop slip progression and stabilize the spine. There are different types of instrumentation, bone graft and graft products, as well as procedures (some minimally invasive) to surgically treat degenerative spondylolisthesis. Your surgeon will explain how your surgery will be performed, as well as the benefits and risks of the procedure.
Bone model showing interbody cages, screws and rods
Degenerative spondylolisthesis does not mean you have to live in pain. We can help you return to a healthy, pain-free and active life. For most patients this is accomplished with nonsurgical treatments. But, even if surgery is needed, be assured we will discuss all procedure risks and benefits and provide you with the best possible care.
In addition treatments, our medical professionals have a deep commitment to patient education. By helping you understand the cause of your condition, we can help you eliminate risk factors and instill spine healthy habits for a lifetime. While you are under our care, our medical staff will provide you with excellent information to help you recover, minimize risk factors, and stay healthy.