What does Isthmic spondylolisthesis mean?
Isthmic Spondylolisthesis is a spinal condition in which one vertebra slips forward over the vertebra below. It is caused by a defect, or fracture, of the pars interarticularis; a bone connecting the upper and lower facet joints.
How is Isthmic spondylolisthesis treated?
For most cases of isthmic spondylolisthesis (especially Grades I and II), treatment consists of temporary bed rest, restriction of the activities that caused the onset of symptoms, pain/ anti-inflammatory medications, steroid-anesthetic injections, physical therapy and/or spinal bracing.
What is bilateral spondylolysis at L5-S1?
Spondylolysis is a breakdown or fracture of the narrow bridge between the upper and lower facets, called the pars interarticularis. It can occur on one side (unilateral) or both sides (bilateral) and at any level of the spine, but most often at the fourth or fifth lumbar vertebra (Fig. 2).
What does Anterolisthesis of L5 on S1 mean?
Anterolisthesis is an abnormal alignment of bones in the spine and usually affects the lower back. It occurs when an upper vertebra slips in front of the one below. Pain is often the first symptom of anterolisthesis. Misaligned vertebrae can pinch the nerves, and this can have painful and debilitating consequences.
How common is Isthmic spondylolisthesis?
Isthmic spondylolisthesis is present in 6% of adults, most of whom are asymptomatic. In persons who present with axial back pain or radicular findings and show evidence on imaging of a pars defect, careful assessment is required to ensure that the pars defect is in fact the source of pain.
How do you fix l5 s1 spondylolisthesis?
Six types of fusion surgery are commonly recommended for the treatment of spondylolisthesis, depending upon individual patient factors:
- Transforaminal lumbar interbody fusion (TLIF)
- Posterior lumbar interbody fusion (PLIF)
- Instrumented posterolateral fusion (pedicle screw fixation and posterolateral bone graft)
Is spondylolysis serious?
Without treatment, spondylolysis can lead to spondylolisthesis . In this condition, the fracture causes one of the vertebrae to slip out of place. If the vertebra presses on a nerve, you may have severe pain. In some cases, people need surgery to relieve spondylolisthesis symptoms and get back to full functioning.
What does l5 s1 pain feel like?
Pain, generally felt as a sharp, shooting, and/or searing feeling in the buttock, thigh, leg, foot, and/or toes. Numbness in the foot and/or toes. Weakness in the leg and/or foot muscles and an inability to lift the foot off the floor (foot drop)
Does Isthmic spondylolisthesis progress?
Slip progression occurs in about 20% of adults with isthmic spondylolisthesis. Slip progression starts usually after the third decade of life and coincides with marked disc degeneration at the olisthetic (downward slipping) level.
What is a Grade 1 L5 S1 spondylolisthesis?
Spondylolisthesis is graded according to the severity of the slippage. This is known as the Mayerding classification: Grade 1: <25% slip. Grade 2: 25-50% slip.