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Published on: November 4, 2021
Task-Specific Lingual Dystonia During Japanese Religious Services
1Department of Oral and Maxillofacial Surgery, National Hospital Organization, Kyoto Medical Center, Kyoto, JPN.
This study details praying-induced lingual dystonia, a rare condition causing tongue protrusion during speech. Multimodal therapy, including muscle afferent block and botulinum toxin, effectively improved speech and reduced symptoms.
Area of Science:
- Neurology
- Ophthalmology
- Speech Pathology
Background:
- Lingual dystonia involves involuntary tongue muscle contractions, often triggered by speaking or eating.
- This subtype of oromandibular dystonia presents unique challenges in diagnosis and treatment.
Purpose of the Study:
- To describe task-specific lingual dystonia during prayer in Japanese patients.
- To evaluate the efficacy of multimodal treatment for this rare condition.
Main Methods:
- Six Japanese patients with praying-induced lingual dystonia were treated.
- Treatments included muscle afferent block (MAB) therapy, botulinum toxin (onabotulinumtoxinA) injections, and sensory trick splints.
Main Results:
- Multimodal therapy led to significant improvements in speech clarity.
- Oromandibular Dystonia Rating Scale scores decreased from 187 to 47 points.
- Mean follow-up was 4.7 years.
Conclusions:
- Praying-induced lingual dystonia is a rare but distinct clinical entity.
- Medical and dental professionals should recognize and manage this condition.
- Effective treatment necessitates a multimodal therapeutic approach.
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