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April 1972

Selective Facial Nerve Branch Blocking

Arch Otolaryngol. 1972;95(4):360-363. doi:10.1001/archotol.1972.00770080554014

Pathological associated movements of the face and facial spasms as sequelae of facial nerve palsy were treated by selective blocking of the facial nerve branches. The procedure consists of (1) finding the exact location of the pertinent nerve branch using evoked electromyography (EMG), and (2) the injection of 5% phenol in glycerin via a stimulating needle electrode.