Vertebroplasty is a medical spinal procedure where the fractured vertebra is approached percutaneously [After making a small hole in the skin] and then injecting cement into the fractured vertebra . The procedure was introduced to relieve the pain of osteoporotic fractures.
Initial studies suggested that vertebroplasty provided effective relief of pain but the studies that followed could not achieve the initially published results. Two major studies have recently found that vertebroplasty had no detectable benefit when compared with sham procedures.
Vertebroplasty is also used as palliative treatment in painful spinal tumors and vertebral hemangioma to provide pain relief.
Vertebroplasty is a minimally invasive procedure and it is performed under local anesthesia.
During the procedure, bone cement is injected with a biopsy needle into the collapsed or fractured vertebra through a needle under x-ray guidance. The acrylic cement quickly dries and forms a support structure within the vertebra that provide stabilization and strength.
Procedure time varies from 30-120 minutes.
- Asymptomatic fracture
- Active osteomyelitis of the target vertebra
- Uncorrectable coagulopathy
- Allergy to vertebroplasty cement or opacifying agent
- Significant central canal narrowing from retropulsion
- Active systemic infection
- Myelopathy or radiculopathy from fracture level
As such the procedure is quite safe in properly selected patients. The procedure is quite safe. Complications are more common with malignant spinal tumor and vertebral hemangioma than with osteoporotic lesions.
- Neurologic deficit
- Injury to rib, vertebra
- Allergic reaction
- Pulmonary embolus
- Pneumothorax or hemothorax
Balloon kyphoplasty evolved as the next step in the treatment of vertebral compression fractures after vertebroplasty. The procedure like vertebroplasty aims at restoration of the height of the vertebra.
The procedure is performed through small instruments that are inserted into the vertebral body through the pedicle of the vertebra.
In this procedure a small balloon is inserted through the entry point and is inflated to restore the height of a collapsed vertebral body and create a cavity inside . The balloon is deflated and withdrawn, and the remaining cavity is filled under low pressure with the cement. This process stabilizes the vertebra internally and facilitates pain relief and restores function.<!–more–>
The procedure has been used in patients who fail to respond to medical management.
Following are potential complications associated with this procedure
- Extrusion of the cement into the spinal canal, resulting in neurological compromise,
- Pulmonary embolus
- Failure to relieve pain
- Incomplete deformity correction
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