Why Me?: My 8-year treatment journey For Hemifacial Spasm (tic convulsif)
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Hemifacial spasm is a neuromuscular movement disorder characterized by brief or persistent involuntary contractions of the muscles innervated by the facial nerve. Its prevalence has been estimated at 11 cases per 100,000 individuals.
Hemifacial spasm is usually caused by an artery compressing the facial nerve at the root exit zone of the brainstem. As for treatment, many patients obtain moderate or marked relief from local injections of botulinum toxin (Botox), which must be repeated every 3 to 4 months. Alternatively, microvascular decompression has a success rate of about 85%.