A fluoroscope is being used in this particular procedure. A fluoroscope is a special X-ray machine which permits an accurate placement of a needle. In order to get rid of your pain, the area over the nerve root opening is given a light intravenous sedation and a local anesthetic. Not only that, to reduce the inflammation and swelling of the nerve root, a steroid medication is also injected around the nerve root.
It is a method that is highly preferred due to its accuracy as solutions can be delivered to a particular nerve root and the front location of the needle in the epidural space which is the outermost part of the spinal canal.
Results may vary depending on circumstances. At times, pain relief for several weeks may be a result of injections and then further treatment will then be required. But there are also incidents where even a single injection will lead to long-term relief.