Lumbar Radiofrequency Neurotomy, which is also called radiofrequency rhizotomy, is used to reduce or eliminate pain in spinal facets. Pain signals travel through medial nerve branches. Light electrical discharge is used to cut off the nerve, which innervates painful facet joint. Lumbar Radiofrequency Neurotomy is short, minimally invasive procedure helding under local anesthesia. A tube-like needle, called cannula is introduced with the help of fluoroscope near appropriate medial nerve branch.
A radiofrequency electrode is inserted through the cannula. To make sure that electrode is in correct position, a small electric signal stimulates current site. If the stimulation causes only pain without other muscular effects, then the electrod is in right position. To cut off the nerve electricity is conducted through the electrode, which warms up the nerve. After radiofrequency neurotomy is complete, physician may repeat the procedure for one or more nerves. At the end of the neurotomy both cannula and electrode are removed.
During a week after Lumbar Radiofrequency Neurotomy the pain may increase, but by the end of the months the patient will be fully relieved. Successful radiofrequency neurotomy may last longer than steroid block.
LUMBAR RADIOFREQUENCY NEUROTOMY SIDE EFFECTS
Possible side-effects are comparable with side-effects of a simple injection: patient may have allergic reactions, bacterial infection or bleeding, which occurs rarely.
It is obligatory to inform your physician about pregnancy or the use of ‘blood thinning’ medications
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