A bony defect at this location is referred to as a spondylolysis. Approximately halfway between the superior and inferior articular process is the pars interarticularis. An anterolaterally directed facet characterizes the inferior articular process. The superior articular process has a facet directed posteromedially and a mamillary process on its posterior surface. The laterally projecting transverse processes are long and slender and are situated anterior to the articular processes. This foramen is larger than in the thoracic spine and smaller than in the cervical region. The body, together with the strong pedicles and laminae that form the neural arch, surrounds the triangle-shaped vertebral foramen. The vertebral body is considered massive and displays a kidney shape when viewed superiorly. Mayo Clinic 2021.The lumbar vertebrae (L1-L5) are larger and heavier than those in other regions of the vertebral column. Perioperative management in complex spine surgery. Trends in lumbar spinal fusion - A literature review. Clinical Overview: Chronic low back pain in adults. Subacute and chronic low-back pain: Surgical treatment. American Academy of Orthopaedic Surgeons. Clinical trialsĮxplore Mayo Clinic studies of tests and procedures to help prevent, detect, treat or manage conditions. Then the spine might need more surgery in the future. As a result, those areas of the spine might break down faster. Having a spine that doesn't move in places puts more strain on the areas around the fused part. Spinal fusion often works no better than nonsurgical treatments for back pain with a cause that's not clear.Įven when spinal fusion relieves symptoms, it doesn't prevent future back pain. But study results are mixed when the cause of the back or neck pain is unclear. Spinal fusion typically works for fixing broken bones, reshaping the spine or making the spine more stable. Physical therapy can teach you how to move, sit, stand and walk in a manner that keeps your spine properly aligned. Your doctor may recommend that you wear a brace for a time to keep your spine aligned correctly. It may take several months for the affected bones in your spine to heal and fuse together. Depending on the location and extent of your surgery, you may experience some pain and discomfort but the pain can usually be controlled well with medications.Īfter you go home, contact your doctor if you exhibit signs of infection, such as: The surgeon might use metal plates, screws or rods to help hold the bones together while the bone graft heals.Ī hospital stay of two to three days is usually required following spinal fusion. To fuse the spinal bones, the surgeon places the bone graft material between the bones. To use the person's bone, the surgeon cuts near the pelvic bone, removes a small part of it and then closes the cut. Sometimes surgeons use human-made material instead of bone grafts. Bone grafts come from a bone bank or from the body of the person having the surgery, usually from the pelvis. To get to the spine from the front, the surgeon cuts into the stomach area or throat. From the back, these cuts are in the neck or back directly over the spine or on either side of the spine. To get to the bones being fused, the surgeon cuts in one of three places. Generally, the procedure involves the following: The technique the surgeon uses depends on where the bones to be fused are on the spine, the reason for the spinal fusion, and possibly, general health and body shape. There are several ways to do spinal fusion surgery. Surgeons perform spinal fusion while the person having the procedure is unconscious, known as general anesthesia. Either way, a metal plate or rods and screws will hold the bones together until the bones heal. From the back, it's known as posterior spinal fusion. A surgeon can get to the spine from the front, known as an anterior spinal fusion.
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