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Telephone: (303) 762-0808
Fax: (303) 762-9292
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Telephone: (303) 762-0808
Fax: (303) 762-9292
Contact Us for Appointment

/ APPOINTMENTS

Making an Appointment
Phone, Forms, Directions

Denver Spine Surgery Office

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2535 S Downing Street
Denver CO 80210

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Dr. Frey's 15 Hour Marathon surgery is a game changer for top Sled Hockey player.

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Explaining Spinal Disorders: Degenerative Spondylolisthesis

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.

Vertebra of the sacrum

Slip of L5 vertebra on sacrum

Symptoms

Some people with spondylolisthesis are symptom-free and discover the disorder when seeing their doctor for another health problem. Symptoms may include:

  • Low back pain
  • Sciatica ?Muscle spasms
  • Leg weakness
  • Tight hamstring muscles
  • Irregular gait or limp

Diagnosis

Our comprehensive diagnostic process includes:

  • Medical history. The doctor asks you questions about your symptoms, their severity, and treatments you have already tried.

  • Physical examination. You are carefully examined for limitations of movement, problems with balance, and pain. During the exam, the doctor looks for loss of reflexes, muscle weakness, loss of sensation or other signs of neurological injury.

  • Diagnostic tests. Most doctors start with x-rays. Spondylolisthesis is easily seen on a lateral (side) lumbar x-ray. If necessary, a CT scan or MRI may be ordered to see the spine’s tissues in greater detail.

X-ray showing spondylolosthesis

X-ray showing spondylolosthesis

Lumbar MRI 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.

Spondylolisthesis grades

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.

  • Grade I: 1-24%
  • Grade II: 25-49%
  • Grade III: 50-74%
  • Grade IV: 75%-99% slip.
  • Grade V: Complete slip (100%), known as spondyloptosis

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.

Nonoperative Treatment

Most cases of degenerative spondylolisthesis are treated without surgery. Treatment may include:

  • Short-term bed rest
  • Activity restriction
  • Over-the-counter or prescription pain medication
  • Anti-inflammatory medication
  • Muscle relaxants
  • Steroid injections (i.e. epidural steroid injection)
  • Physical therapy
  • Bracing

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.

Surgery

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.

Sacrum bone model showing interbody cages, screws and rods

Bone model showing interbody cages, screws and rods

Conclusion 

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.

 
 

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LastUpdate: 2016-12-20 22:19:58
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