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Radiofrequency ablation (RFA), also called fulguration, [1] is a medical procedure in which part of the electrical conduction system of the heart, tumor, sensory nerves or a dysfunctional tissue is ablated using the heat generated from medium frequency alternating current (in the range of 350–500 kHz).
Additionally, knee pain might stem from your back or hips, even if you don’t feel pain there, and sitting for too long accentuates problems in these areas as well.
Medical applications of radio frequency (RF) energy, in the form of electromagnetic waves (radio waves) or electrical currents, have existed for over 125 years, [1] and now include diathermy, hyperthermy treatment of cancer, electrosurgery scalpels used to cut and cauterize in operations, and radiofrequency ablation. [2]
Chemical neurolysis is used to denervate specific sensory nerves, reducing pain signals. [1] [5] The effects generally last for three to six months. [6] [2] Neurotomy is a nerve block procedure performed in cases, such as for severe knee arthritis, in an outpatient procedure.
Electrosurgery, by contrast, uses radio frequency (RF) alternating current to heat the tissue by RF induced intracellular oscillation of ionized molecules that result in an elevation of intracellular temperature. When the intracellular temperature reaches 60 degrees C, instantaneous cell death occurs.
Radiofrequency thermocoagulation is a thermal pain treatment procedure. For example, percutaneous intradiscal radiofrequency thermocoagulation (PIRFT) involves the placement of an electrode or catheter into the intervertebral disc and applying an alternating radiofrequency current.
A presacral neurectomy is typically conducted to decrease severe pain and menstrual cramps in the lower abdomen. Pain in this region is difficult to treat with noninvasive treatments. Endometriosis is the most common cause for this severe pain. One solution that doctors often mistakenly recommend as a cure is a hysterectomy, or removal of the ...
Knee pain relief of 50% or more following genicular RFA may last from several months to two years, [128] [131] and can be repeated by the same outpatient procedure when pain recurs. [128] Injection of phenol may be used as a neurolytic treatment of sensory knee nerves to relieve chronic pain from knee osteoarthritis. [133] [134]
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