نتایج جستجو برای: Laryngeal dystonia

تعداد نتایج: 22534  

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...

Journal: :iranian journal of otorhinolaryngology 0
mohammad javad saeedi borujeni department of anatomical sciences and molecular biology, school of medicine, isfahan university of medical sciences, isfahan, iran. ebrahim esfandiary department of anatomical sciences and molecular biology, school of medicine, isfahan university of medical sciences, isfahan, iran. mostafa almasi- dooghaee department of neurology, iran university of medical sciences, tehran, iran.

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...

2016
Niv Mor Andrew Blitzer

Background: Laryngeal dystonia is a task-specific focal dystonia of the internal laryngeal muscles. Methods: Peer-reviewed articles on laryngeal dystonia from PUBMED were identified. Manuscripts that supported selected points of discussion were chosen. Illustrative figures and videos from the authors’ personal files support selected ideas. Results: This manuscript presents a comprehensive overv...

Journal: :Movement disorders : official journal of the Movement Disorder Society 2016
Gregory G Putzel Tania Fuchs Giovanni Battistella Estee Rubien-Thomas Steven J Frucht Andrew Blitzer Laurie J Ozelius Kristina Simonyan

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...

2017
Mohammad Javad Saeedi Borujeni Ebrahim Esfandiary Mostafa Almasi-Dooghaee

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...

Journal: :British Journal of Psychiatry 1995

Journal: :Brain : a journal of neurology 2017
Kristina Simonyan Hyun Cho Azadeh Hamzehei Sichani Estee Rubien-Thomas Mark Hallett

Focal dystonias are the most common type of isolated dystonia. Although their causative pathophysiology remains unclear, it is thought to involve abnormal functioning of the basal ganglia-thalamo-cortical circuitry. We used high-resolution research tomography with the radioligand C-NNC-112 to examine striatal dopamine D1 receptor function in two independent groups of patients, writer’s cramp an...

Journal: :Brazilian journal of otorhinolaryngology 2011
Gustavo Polacow Korn Miriam Moraes Luiz Celso Pereira Vilanova Bruno Teixeira de Moraes Glaucya Madazio Marina Padovani Noemi Grigoletto De Biase

UNLABELLED Dystonia is a central motor processing neurological disorder characterized by abnormal, often action-induced, involuntary movements or uncontrolled spasms. AIM To compare patients with the diagnoses of focal and segmental adductor laryngeal dystonia at the Neurolarynx Outpatient Clinic of the Federal University of São Paulo. MATERIALS AND METHODS A clinical retrospective study of...

2017
Brian D Berman Johanna Junker Erika Shelton Stefan H Sillau H A Jinnah Joel S Perlmutter Alberto J Espay Joseph Jankovic Marie Vidailhet Cecilia Bonnet William Ondo Irene A Malaty Ramón Rodríguez William M McDonald Laura Marsh Mateusz Zurowski Tobias Bäumer Norbert Brüggemann

BACKGROUND Depression and anxiety frequently accompany the motor manifestations of isolated adult-onset focal dystonias. Whether the body region affected when this type of dystonia first presents is associated with the severity of these neuropsychiatric symptoms is unknown. OBJECTIVES The aim of this study was to determine whether depression, anxiety and social anxiety vary by dystonia onset ...

Journal: :Cumhuriyet Dental Journal 2022

Oromandibular Dystonia (OMD) is a type of focal dystonia which affects the masticatory, cervical, facial, eyelid, laryngeal, and pharyngeal muscles. OMD patients may consult dentists with involuntary movement or spasm lips, tongue, jaw opening closing, changes in occlusion, slurred speech, drooling saliva, difficulty mastication, swallowing, speaking. Due to uncommon occurrence OMD, this condit...

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