Percutaneous radiofrequency facial nerve coagulation in the management of facial spasm

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Abstract
✓ The authors have developed a fluoroscopy-assisted technique of percutaneous radiofrequency facial nerve coagulation at or near the stylomastoid foramen for management of facial spasm. The details of the procedure and the operative results in the initial series of 27 cases of facial spasm are described. The series included six men and 21 women, aged from 16 to 73 years. Twenty-four patients had classical, intractable, persistent hemifacial spasm, one had an unusual bilateral facial spasm, and one a postparalytic facial spasm. The age of onset varied from 16 years to 70 years. The duration of the symptoms ranged from 3 months to 11 years. Ten patients had undergone previous blunt-needle compression of the facial nerve from one to 10 times. The operative results in the 27 patients have so far been excellent. The longest follow-up has been 1½ years. Although partial facial weakness was present in 60% of the cases, it invariably disappeared within 1 to 4 months. Only three patients experienced recurrence of spasm. In two of them, recurrence followed lowtemperature coagulation. The procedure is simple, easy to perform, and extremely effective. It can be performed under local anesthesia in the outpatient clinic.

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