Lumbar transforaminal injection is a procedure used in treating lower back pain and radiating leg pain. The steroid medication can reduce the swelling and inflammation caused by spinal conditions such as spinal stenosis, radiculopathy, sciatica and herniated discs.
How is Transforaminal Injection Performed?
The patient lies face down and a cushion is placed under the stomach area to provide comfort as well as flex the back. This position causes the spine to open, allowing for easier access to the epidural space. Then, a fluoroscope is used to locate the appropriate lumbar vertebra and nerve root. A local anesthetic numbs the skin and tissue down to the surface of the vertebra. A thin, bent needle with a slightly curved point is inserted into the foraminal space near the nerve root. Contrast solution is injected, which highlights the painful areas and confirm the correct location of the needle tip. Finally, a mixture of steroid and anesthetic solution is injected into the foraminal epidural space, treating the painful area for relief.
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