نتایج جستجو برای: dystonia
تعداد نتایج: 6615 فیلتر نتایج به سال:
Dystonia is defined as a neurological syndrome characterized by involuntary sustained or intermittent muscle contractions causing twisting, often repetitive movements, and postures. Paroxysmal dyskinesias are episodic movement disorders encompassing dystonia, chorea, athetosis, and ballism in conscious individuals. Several decades of research have enhanced the understanding of the etiology of h...
Muscle ultrasound (MUS) is increasingly used by neurologists, neuropediatricians, neurosurgeons, specialized radiologists and anaesthesiologists for the imaging-supported diagnosis of neuromuscular disorders. Especially, MUS highly sensitive in detecting fasciculations motor neuron diseases, revealing intensive care unit acquired weakness. Hereditary inflammatory myopathies are associated with ...
INTRODUCTION Pallidal deep brain stimulation (GPi-DBS) is an effective therapy for isolated dystonia, but 10-20% of patients show improvement below 25-30%. We here investigated causes of insufficient response to GPi-DBS in isolated dystonia in a cross-sectional study. METHODS Patients with isolated dystonia at time of surgery, and <30% improvement on the Burke-Fahn-Marsden dystonia-rating-sca...
UNLABELLED Temporomandibular disorders are a set of musculoskeletal dysfunctions within the masticatory system, with multiple etiologies. OBJECTIVE Since craniocervical dystonia can involve the same neuromuscular structure as the temporomandibular joint, we sought to assess the correlation between temporomandibular disorders and craniocervical dystonia. METHOD We applied the Research Diagno...
Dear Editor, Dystonia is a movement disorder characterised by sustained muscle contractions, repetitive twisting movements, and abnormal postures of the trunk, neck, face, or arms and legs.1 Classifi cation of this condition may be based on topography, age at onset, cause, or by the presence of genetic markers.1 When unaccompanied by other neurologic abnormalities, and in the absence of known c...
OBJECTIVE To review the clinical characteristics and associated features found in patients with psychogenic dystonia. METHODS A 10 year retrospective chart review of all patients diagnosed by the author as having psychogenic dystonia. RESULTS Eighteen patients fulfilled diagnostic criteria for "Documented" or "Clinically Established" psychogenic dystonia. Clinical characteristics of the dys...
BACKGROUND Few studies have addressed whether abnormalities in the lenticular nucleus (LN) are characteristic transcranial sonography (TCS) echo features in patients with primary dystonia. This study aimed to explore alterations in the basal ganglia in different forms of primary focal dystonia. METHODS cross-sectional observational study was performed between December 2013 and December 2014 i...
Federal University of São Paulo, São Paulo SP, Brazil: Department of Neurology and Neurosurgery; Interdisciplinary Clinical Neurosciences Laboratory; Department of Psychiatry. Dystonia can be classified according to its etiology as primary, dystonia-plus, secondary, heredodegenerative, and psychogenic. Pure lingual dystonia is rare but not uncommon in association with other cranial dystonia. Ho...
Dystonia is a movement disorder characterized by sustained muscle contractions causing twisting and repetitive movements and abnormal postures. Diagnosing dystonia may be difficult, because of variability of dystonia presentation, uncertain recognition of the specific clinical signs, wide etiological spectrum, and coexistence of other movement disorders. The major difficulties in the diagnostic...
Dystonia commonly accompanies tremors but the prevalence of the association is controversial. Oppenheim had already described that tremors were associated with dystonic symptoms in “Dystonia Musculorum Deformans” in the early 20th century (Oppenheim et al, 1911, as cited in Jedynak et al., 1991). Yanagisawa analyzed idiopathic dystonia with electromyography and found that dystonia was associate...
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