Where is facial spasm treated?

summary

When the facial nerve is compressed by a single vein, facial spasm can also be caused; In young patients, local arachnoid thickening can also lead to hemifacial spasm, and some congenital diseases can also lead to hemifacial spasm; Heredity is also an important cause of facial spasm. When you get facial spasm, you must first find out the cause of facial spasm. Where is facial spasm treated? Let's talk about it

Where is facial spasm treated?

In addition to phenytoin sodium or carbamazepine, which may be effective in some mild patients, the general central sedatives, inhibitors and hormones have no significant effect. In the past, procaine, anhydrous alcohol or 5% phenol glycerin were often injected into the stylomastoid foramen to cause temporary necrosis and degeneration of nerve fibers and reduce the conduction of abnormal excitation. The injection volume was 0.3-0.5ml at a time to achieve the degree of mild facial paralysis. If the dosage is too large, it will produce permanent facial paralysis. If the dosage is too small, it will recur after 3-5 months. Now it is rarely used.

Radiofrequency temperature controlled thermocoagulation therapy uses a radiofrequency trocar to puncture into the stem mammary foramen according to the upper method. According to the principle of electric couple, heat energy is generated between nerve fibers through radio. The temperature is 65-70 ℃. Under the monitoring of facial nerve function monitor, the temperature is controlled to make nerve thermocoagulation, so as to reduce the nerve fibers conducting abnormal impulses. Facial paralysis should also occur after operation. In the process of gradual recovery of facial paralysis within 1-2 years, the old disease will recur. Otherwise, excessive electric heating and spasm may not occur for a long time, but it will be replaced by permanent facial paralysis.

Under local anesthesia, the main trunk of the facial nerve should be found through the incision under the stylomastoid foramen, and the nerve trunk should be pressed with vascular forceps. The pressing force should be properly controlled, or it will recur in a short time, or it will leave permanent facial paralysis. If we find out the distal branch and find out the main spasm responsible nerve branch under electrical stimulation, we can selectively cut off the nerve branch. Although the effect is better than that of squeezing, mild facial paralysis still occurs after operation, and there is recurrence after 1-2 years.

matters needing attention

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