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Radiofrequency Ablation

    What is Radiofrequency Ablation?

    Radiofrequency ablation (RFA or rhizotomy) is a procedure used to reduce pain. An electrical current is produced by a radio wave and used to heat up a small area of nerve tissue, thereby decreasing pain signals from that specific area. Relief varies, depending on the causes and the location of the pain. It is possible that pain relief from RFA can last from six and up to twelve months. Some patients experience relief for years. Over 70% of patients who have RFA experience some kind of pain relief.

    RFA can be used to help patients with chronic lower back and neck pain, and pain related to the degeneration of joints from arthritis. The radiofrequency waves are often directed at the nerves to the facet joints of the spine. These joints are located on either side of the vertebra. In order to identify the nerves that are to be treated, a local anesthetic, such as lidocaine, may be injected to see what nerve is producing the pain signals. If the anesthetic produces temporary relief, that nerve may benefit from RFA. Patients who have had temporary relief after epidural and facet joint injections may experience longer lasting relief with RFA.

    I have been to a few doctors with my back and knee issue’s in the past. It was when I came to this practice, that I found a team of Doctors and staff members that I truly found someone that would listen and treat my conditions. Thank you to Dr. Freeman, Evan and Neil and the rest of the staff. And with the new Physical therapy introduced as part of the new Redefined Healthcare is truly a blessing. You know you are in good hands when you come here for what ever brings you to see any Dr in this practice.


    Procedure Details

    An intravenous (IV) line may be used during the procedure along with a local anesthetic and mild sedative to reduce any discomfort felt during RFA. You may also be awake during the process to aid in properly addressing the pain and location of the pain. Ask your doctor about specifics beforehand.

    After the local anesthetic (you will be awake, but will not feel any pain) has been given, the doctor will insert a small needle into the general area where you are experiencing pain. Using X-ray, your doctor will guide the needle to the exact area. A micro-electrode will then be inserted through the needle to begin the stimulation process.

    During the procedure, your doctor will ask if you are able to feel a tingling sensation. The object of the stimulation process is to help the doctor determine if the electrode is in the optimal area for treatment.

    Once the needle and electrode placement are verified, a small radio-frequency current is sent through the electrode into the surrounding tissue, causing the tissue to heat. You should not feel any discomfort during the heating portion of the procedure.

    Radiofrequency Ablation

    Possible Candidates

    • 18 years or older
    • Chronic lower back pain
    • Chronic neck pain
    • Experiencing pain for at least 3-6 months


    • Arthritis (Spondylosis)
    • Pain after spinal surgery
    • Lumbar degenerative disc disease
    • Cervical degenerative disc disease
    • Peripheral Nerve Entrapment
    • Complex Regional Pain Syndrome (RSD)

    Great care!! Service is excellent and everyone is polite and carteous.


    Page Updated on May 20, 2022 by Dr. Freeman (Pain Management Specialist) of Redefine Healthcare Dr. Eric D. Freeman

    Dr. Eric D. Freeman is a top-rated, best-in-class pain management doctor. He is a nationally recognized pain relief specialist and is among the top pain care doctors in New Jersey and the country. He is an award-winning expert and contributor to prominent media outlets.

    Dr. Eric D. Freeman has been recognized for his thoughtful, thorough, modern approach to treating chronic pain. He has been named a “top pain management doctor in New Jersey” and one of “America’s Top Physicians” for advanced sports injury treatments.

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      in Edison, NJ & Union, NJ


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