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 ORIGINAL ARTICLE
Year : 2018  |  Volume : 66  |  Issue : 1  |  Page : 71--76

Botulinum toxin in Meige's syndrome: A video-based case series


Department of Neurology, Govind Ballabh Pant Postgraduate Institute of Medical Education and Research, New Delhi, India

Correspondence Address:
Sanjay Pandey
Department of Neurology, Academic Block, Room No 507, Department of Neurology, Govind Ballabh Pant Postgraduate Institute of Medical Education and Research, New Delhi - 110 002
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.222872

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Context: Despite being the most common cause of cranial dystonia, Meige's syndrome remains a rare clinical entity. Characterized by blepharospasm and orofacial dystonia, patients suffering from Meige's syndrome benefit from the injection of botulinum toxin (BTX). Aims: As the majority of the studies tend to discuss Meige's syndrome with blepharospasm patients, there is a paucity of case-based studies dealing exclusively with this syndrome. Hence, we intended to characterize and define the evolution of this syndrome and objectively determine the response of the patients suffering from this entity to BTX therapy. Materials and Methods: Eight patients with Meige's syndrome who had never been injected with BTX in the past were evaluated at our movement disorder clinic using a structured questionnaire. Videotaping of abnormal movements was done for 5 minutes before the BTX injection and at a 1-month follow-up. All patients received electromyography-guided injection of BTX and the dosage was decided using clinical evaluation. Their demography, clinical features, and treatment response to BTX were analyzed using the “Burke–Fahn–Marsden dystonia rating scale” (BFMDRS) before injection and at a 1-month follow-up. Results: The peak age of symptom onset was 46.4 years with a male: female ratio of 1:1. The average duration of symptoms was 6.43 years. Majority of the patients (6/8) manifested their disease with blepharospasm, including five patients who had clonic blepharospasm. Lingual dystonia (6/8) and pharyngeal involvement (4/8) were commonly noted. Sensory tricks were present in all, with placement of the fingers over eyelids being the commonest trick (7/8). The average BTX dose administered was 51.58 units, and the peak onset of relief was noted at 8.62 days after the injection. The duration of the effect lasted for 82.5 days on an average. Only one patient reported mild weakness of the muscles of mastication following BTX injection. The average BFMDRS improved from the preprocedural score of 25.06 to 13.12 following the BTX injection. Conclusions: In this series exclusively dealing with Meige's syndrome patients, tongue involvement was found to be very common (6/8, 75%), and the response to the first dose of BTX treatment was found to be excellent without the occurrence of any major side effects.






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