Knee pain can greatly impact your quality of life. Many people find relief of knee pain with physical therapy, bracing, medications, steroid injections, and surgery. However, even after attempting all of these treatments, you may still experience knee pain. An alternative option to treat your ongoing knee pain may be Genicular Nerve Radiofrequency Ablation (RFA).
What is Radiofrequency Ablation (RFA)?
Radiofrequency ablation (RFA) is a minimally invasive medical procedure that uses heat generated by radiofrequency waves to destroy tissue. When treating knee pain, needles are directed to nerves that sense pain in your knee. The tip of these needles heat the nerves to stop them from sending pain signals to your brain.
Who would benefit from Genicular Nerve Radiofrequency Ablation (RFA)?
Genicular RFA can treat chronic knee pain from osteoarthritis, pain after knee surgery, or knee pain in patients who are not candidates for surgery or wish to avoid knee surgery altogether.
How do you know if Genicular Nerve Radiofrequency Ablation (RFA) will work?
Prior to performing the Genicular RFA, a "test injection" (nerve block) is performed. Under fluoroscopic (Xray) guidance, three needles are advanced to precise locations where the genicular nerves typically travel. A small amount of numbing medication (local anesthetic) is then injected. You will then be asked to perform activities that typically cause pain and keep track of your pain while the numbing medication is helping. If you note significant relief, you likely will obtain relief from Genicular RFA.
Does the procedure hurt?
The procedure is typically well tolerated. However, there can be discomfort with needle placement during the "test injection". If desired, you can be given sedation to tolerate the actual ablation. However, this is often done awake using local anesthetic. A localized burning sensation from the anesthetic is commonly felt and is usually the most uncomfortable part of the process. During the procedure a pressure sensation is often experienced, this typically resolves within a few minutes. Minor soreness for a week after the procedure is normal.
How long does the procedure take?
The procedure typically takes about 15 minutes to perform. Please plan on being at the clinic for about 1 hour to allow for pre and post-procedural safety protocols.
How quickly will I get relief?
The genicular nerve block will result in quick relief that only is intended to last a few hours. The ablation procedure may take 4-6 weeks to reach maximal effectiveness although many experience some measure of relief within 2 weeks.
How long will the relief last?
The radiofrequency ablation typically provides relief for 6-12 months. Some patients have relief lasting greater than a year. Unfortunately, some have no relief.
How often can the procedure be repeated?
Depending on results and your insurance policy the injections may be repeated every 6-12 months.
Can I have the injection if I have diabetes?
Yes. Steroids are not typically used for this procedure and therefore will not impact your diabetes. This is often a reason to perform Genicular RFA in place of surgery or steroid injections.
What are the risks and side effects?
Risks and side effects are minimal and serious complications are rare. We take every precaution to ensure safety. Potential risks may include but are not limited to: vasovagal response (passing out), new or increased pain, infection, bleeding, permanent skin changes, allergic or unexpected drug reaction with minor or major consequences, and unintended nerve injury.
Disclaimer
This content is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare provider regarding your specific health needs. If you are experiencing a medical emergency, call 911.
