Spondylolysis and spondylolisthesis - Mayfield Clinic
Spondylolysis and spondylolisthesis : Mr James Langdon
Meyerding classification system is used to determine the degree of anterolisthesis of the 5th lumbar vertebra in relation to the sacrum. The sacral base is divided into 4 equal segments, and the alignment of the posterior surface of the 5th lumbar vertebral body is ascertained. In this method spondylolisthesis can be graded 1 – 4, depending on the amount of anterior shift of L5 in relation to the sacrum.
Learn about the types and symptoms of spondylolisthesis
If slippage continues or if your pain doesn’t respond to conservative treatment, surgery may be necessary. Surgery can address both the instability of the spine and compression of the nerve roots. The surgeon may first perform a lumbar laminectomy to relieve pressure on the nerve root. Then a bone graft will be used to fuse the loose vertebrae and keep them from sliding out of place. In some cases metal plates, hooks, rods and screws may be used to support the fusion (Fig. 5). It may take a while for the two pieces of bone to grow together, so you should avoid extremes of motion while healing.
Spondylolysis and Spondylolisthesis of the Lumbar Spine
Prior to surgery, complete medical evaluation and appropriate laboratory studies (for example, blood and urine analysis), chest x-rays, and EKGs (i.e., monitoring of your heart) will be obtained. Those specific tests will be based on your hospital's protocols, as well as your health history. If you have any medical conditions, or are taking any medications, bring this to the attention of your surgeon and discuss your surgery with your medical doctor to be sure that you are prepared to proceed with surgery.
Spondylolysis and Spondylolisthesis - London Pain Clinic
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