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Somdattaa Ray 1 Article
Long-Term Outcome of Hemimasticatory Spasm
Somdattaa Ray, Nitish Kamble, Ravi Yadav, Pramod Kumar Pal
J Mov Disord. 2022;15(2):146-150.   Published online March 16, 2022
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AbstractAbstract PDFSupplementary Material
This study aims to identify the demographic, clinical, and therapeutic characteristics of four patients with hemimasticatory spasm (HMS) seen in our outpatient department over a period of 20 years.
We performed a retrospective chart review of four patients with HMS who visited outpatient services in the Department of Neurology from 2001 to 2020.
The follow-up for all patients ranged from 2 years to 9 years. Three patients had facial or bucco-oral morphea. Two patients maintained long-term improvements in symptoms after being treated with botulinum toxin for 4–7 years, while one patient reported improvement in symptoms with treatment of carbamazepine that subsequently remitted after pregnancy.
This report highlights the long-term outcome of HMS in our patients. Our patients reported a significant reduction or complete resolution of symptoms after treatment, and eventually, two patients were asymptomatic while off treatment.


Citations to this article as recorded by  
  • Hemimasticatory spasm: a series of 17 cases and a comprehensive review of the literature
    Kazuya Yoshida
    Frontiers in Neurology.2024;[Epub]     CrossRef
  • Hemimasticatory Spasm Treated With Muscle Afferent Block Therapy and Occlusal Splint
    Kazuya Yoshida
    Journal of Movement Disorders.2024; 17(2): 230.     CrossRef
  • Peripherally-induced Movement Disorders: An Update
    Abhishek Lenka, Joseph Jankovic
    Tremor and Other Hyperkinetic Movements.2023;[Epub]     CrossRef

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