Knee and Hip Pain
Knee and Hip
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Radiofrequency Ablation
- Currently No Wait Times
Knee Radiofrequency Ablation (RFA) is a minimally invasive treatment for patients suffering from chronic knee pain secondary to osteoarthritis. This procedure is intended to provide significant long term pain relief.
Knee RFA procedure can help delay or even avoid knee surgery and can also provide pain relief to patients who already have had knee replacement surgery.
What are some of the indications for Knee Radiofrequency Ablation – who should have this treatment?
-Patients who have undergone knee replacement with persistent knee pain
-Patients unfit for Knee replacement (medical comorbidities, morbid obesity)
-Patients who want to avoid surgery
What is involved with the procedure itself? How does it work?
Before an RFA is completed, it may or may not be recommended to have a Diagnostic Genicular Nerve Block completed, in order to ensure the procedure will be of benefit (i.e. to confirm the nerve root responsible for the pain signal).
What is a Diagnostic Genicular Nerve Block?
Under image guidance a small amount of local anesthetic (1.5 ml) of lidocaine is injected around the 3 main nerve that supply the knee joint (the superior latera, superior medial and inferior medial genicular branches). A response is considered if there is at least 50% reduction in pain following the procedure.
This is done on a different day than the procedure itself, but if there is a significant reduction in pain post procedure, the Radio Frequency Ablation can be booked within the following week.
What are the potential associated risks of a Radio Frequency Knee Ablation?
-Skin burns
-Temporary knee swelling
-Post procedural pain (periosteum (bone) touch pain, temporary knee swelling, skin burns)
-Hemarthrosis, hematoma
-Subcutaneous bleeding at the needle insertion site.
-Hypoesthesia (patchy numbness) of the overlying skin.
Who is not a candidate?
-Any patient with a pacemaker may or may not be considered a candidate
What is the downtime after the procedure?
Post procedure discomfort is minimal, Tylenol or other over the counter anti-inflammatory analgesics may be taken orally to manage related discomfort.
