Abstract
Hemifacial Spasm (HSF) refers to the intermittently involuntary clonic twitch or painless rigidity of one or two sides of facial muscles. Patients with hemifacial spasm generally have a decline in quality of life, accompanied by anxiety, depression and other emotional problems, which further aggravate hemifacial spasm symptoms. BTX-A injection is the first choice for treatment of HFS, which can not only relief the symptoms of HFS but also improve the mood problems. There have been no reported cases of HFS cured by drugs or BTX-A. Here we reported two HFS patients recovered after multiple BTX-A treatments without recurrence for 3-8 years, which might provide a clue for further exploration of the pathogenesis of HFS.
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