What to Expect from Radiofrequency Ablation
If you're determined to be a suitable candidate for radiofrequency ablation, our Kyle pain doctors will provide you with detailed instructions to prepare for your RFA procedure. These may include guidelines on fasting or adjusting insulin dosage (for diabetic patients) before treatment, as well as arranging for someone to drive you home afterward. During the RFA procedure, patients typically receive a local anesthetic for comfort. The doctor then inserts a thin needle into the skin, using live X-ray imaging to precisely locate the pain source. A microelectrode is subsequently introduced through the needle, delivering a controlled electric current that heats the nerve tissue, effectively interrupting pain signal transmission. This process is repeated as necessary to address all the nerves contributing to your pain.
Types of Radiofrequency Ablation Procedures
Continuous Radiofrequency Ablation
Continuous radiofrequency ablation involves gradually increasing the temperature of the microelectrode used to heat the nerve tissue. This heat is maintained for 90 to 120 seconds, the time required to disrupt the nerve's ability to transmit pain signals. The duration of a continuous RFA procedure varies depending on the number of nerves that need to be treated to effectively manage the patient's pain.
Pulsed Radiofrequency Ablation
Pulsed radiofrequency ablation utilizes quick, high-voltage currents lasting less than half a second. These pulsating currents are maintained until the nerve tissue is sufficiently disrupted, a process that typically takes between two to eight minutes.
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