Laryngeal dystonia
نویسندگان
چکیده
منابع مشابه
Neuroleptic-induced Laryngeal Dystonia
Although neuroleptics, prescribed for psychiatric conditions, are by far the commonest drugs known to produce acute dystonia, other drugs such as prochlorperazine, metoclopramide, tetrabenazine etc., prescribed for non-psychiatric conditions, are also known to produce this side effect the common factor is the ability of the drug to produce a central inhibition of dopaminergic neurotransmission....
متن کاملGNAL mutation in isolated laryngeal dystonia.
BACKGROUND Up to 12% of patients with laryngeal dystonia report a familial history of dystonia, pointing to involvement of genetic factors. However, its genetic causes remain unknown. METHOD Using Sanger sequencing, we screened 57 patients with isolated laryngeal dystonia for mutations in known dystonia genes TOR1A (DYT1), THAP1 (DYT6), TUBB4A (DYT4), and GNAL (DYT25). Using functional MRI, w...
متن کاملChildhood Laryngeal Dystonia Following Bilateral Globus Pallidus Abnormality: A Case Study and Review of Literature
Introduction:Dystonia is a disorder of movement caused by various etiologies. Laryngeal dystonia is caused by the spasm of laryngeal muscles. It is a disorder caused by vocal fold movement in which excessive adduction or abduction of the vocal folds occurs during speech. The pathophysiology of this type of dystonia is not fully known. Some researchers have suggested that basal ganglia structure...
متن کاملAdduction laryngeal dystonia: proposal and evaluation of nasofibroscopy.
UNLABELLED Dystonias are organic central motor processing disorders characterized by involuntary muscular contractions or incontrollable spasms induced by task-specific movements. Adduction laryngeal dystonias present with important speech impairments, with inappropriate spasms and abrupt voice breaks. The diagnosis is based on clinical features, evaluation by a speech therapist and transnasal ...
متن کاملAdductor laryngeal exhaling dystonia in progressive supranuclear palsy.
An 80-year-old woman with a 7-year history of progressive supranuclear palsy had periodic dyspnea attacks that lasted for several hours. During these attacks, she involuntarily groaned because she could barely exhale but could inhale (video 1 on the Neurology® Web site at Neurology.org). When she was instructed to pronounce words, she could do this voluntarily and phonation enabled her to exhal...
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ژورنال
عنوان ژورنال: British Journal of Psychiatry
سال: 1995
ISSN: 0007-1250,1472-1465
DOI: 10.1192/bjp.167.5.698b