Precision X-ray guided Spinal injections /
Nerve Blocks
What are spinal injections?
In many cases of chronic back pain, spinal injections are used both to learn more about what is causing your pain and to treat your pain. Health care providers refer to these two separate uses of spinal injections as diagnostic and therapeutic. The injections can be a diagnostic tool because they give your doctor information that helps him or her make a diagnosis. For example, if an injection provides pain relief in the area that is injected, it is likely that this particular area is the source of the problem. Once the location of one or more sources of pain is discovered, your health care provider can perform other necessary tests to try to determine the actual problem and create the proper treatment plan. The injections are therapeutic in that they can provide temporary treatment and temporary relief from pain.
What Medications Are Injected and why?
With most spinal injections, a local anesthetic (numbing medication) called lidocaine (also known as Xylocaine) is injected into a specific area of the spine. Lidocaine is a fast-acting drug, but the effects wear off within about two hours. Therefore, this medication is used more as a diagnostic tool than a long-lasting pain reliever. Another type of anesthetic, called Bupivacaine (also known as Marcaine), can also be used. This anesthetic takes longer to take effect, but it also wears off slower, giving the patient more relief from pain.
A strong anti-inflammatory steroid medication, cortisone, is also commonly injected along with one of the above anesthetics in order to reduce inflammation in the affected areas. Cortisone is long lasting and can be slow releasing in order to give the best possible benefits of pain relief. Cortisone may take several days to begin working to reduce inflammation following injection, but the effects can last for months.
What can I expect during the procedure?
The procedure is usually brief, but your position during the procedure is important to make the injection go smoothly, with the least discomfort to you. You may have monitoring devices attached to you during the procedure to check your heart rate and breathing.
What should I expect after the procedure?
It takes a few days, even a week or longer, for the steroid medicine to reduce inflammation and pain. Your doctor may want to follow-up with you in 1-3 weeks.
If you had sedation, you probably should not drive for 24 hours after the procedure.
Adapted from http://www.spineuniversity.com
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