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Adult-Onset Primary Dystonic Tics: A Different Entity?

ABSTRACT: Based on their phenomenology, tics can be classified as clonic, dystonic, and tonic. Although tic syndromes are considered to be childhood disorders, there are reports on (clonic) tics developing late in life. Literature on dystonic tics is sparse, and it is unclear whether adult-onset dystonic tics are part of the same disorder spectrum that includes Tourette's syndrome or represent a discrete entity. We describe here 11 patients with adult-onset primary dystonic tics. Ten patients (90.1%) were males. Mean age at onset was 42.2 ± 14.9 years. More than 60% had both motor clonic and dystonic tics. Dystonic tics most frequently involved the cranial-cervical region and the shoulders and, less frequently, the limbs. Psychiatric comorbidities were present in 5 patients. Family history for any movement disorder or for psychiatric disorders was present in 2 cases. One patient showed a sensory geste, which allowed him to partially control his tics, whereas another developed overt dystonia 3 years after his first assessment. The hyperkinesias exhibited by these patients were likely consistent with tics. However, other clinical features would allow us to argue that adult-onset dystonic tics may represent a discrete entity, which is intermediate between tics and dystonia.

SUBMITTER: Erro R

PROVIDER: S-EPMC6183016 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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Adult-Onset Primary Dystonic Tics: A Different Entity?

Erro Roberto R Martino Davide D Ganos Christos C Damasio Joana J Batla Amit A Bhatia Kailash P KP

Movement disorders clinical practice 20140410 1

Based on their phenomenology, tics can be classified as clonic, dystonic, and tonic. Although tic syndromes are considered to be childhood disorders, there are reports on (clonic) tics developing late in life. Literature on dystonic tics is sparse, and it is unclear whether adult-onset dystonic tics are part of the same disorder spectrum that includes Tourette's syndrome or represent a discrete entity. We describe here 11 patients with adult-onset primary dystonic tics. Ten patients (90.1%) were ...[more]

PMID: 30363833

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Project description:IntroductionDystonic opisthotonus is defined as a backward arching of the neck and trunk, which ranges in severity from mild backward jerks to life-threatening prolonged severe muscular spasms. It can be associated with generalized dystonic syndromes or, rarely, present as a form of axial truncal dystonia. The etiologies vary from idiopathic, genetic, tardive, hereditary-degenerative, or associated with parkinsonism. We report clinical cases of dystonic opisthotonus associated with adult-onset dystonic syndromes, that benefitted from globus pallidus internus (GPi) deep brain stimulation (DBS).MethodsClinical data from patients with dystonic syndromes who underwent comprehensive medical review, multidisciplinary assessment, and tailored medical and neurosurgical managements were prospectively analyzed. Quantification of dystonia severity pre- and postoperatively was performed using the Burke-Fahn-Marsden Dystonia Rating Scale and quantification of overall pain severity was performed using the Visual Analog Scale.ResultsThree male patients, with age of onset of the dystonic symptoms ranging from 32 to 51 years old, were included. Tardive dystonia, adult-onset dystonia-parkinsonism and adult-onset idiopathic axial dystonia were the etiologies identified. Clinical investigation and management were tailored according to the complexity of the individual presentations. Although they shared common clinical features of adult-onset dystonia, disabling dystonic opisthotonus, refractory to medical management, was the main indication for GPi-DBS in all patients presented. The severity of axial dystonia ranged from disturbance of daily function to life-threatening truncal distortion. All three patients underwent bilateral GPi DBS at a mean age of 52 years (range 48-55 years), after mean duration of symptoms prior to DBS of 10.7 years (range 4-16 years). All patients showed a rapid and sustained clinical improvement of their symptoms, notably of the dystonic opisthotonos, at postoperative follow-up ranging from 20 to 175 months. In some, the ability to resume activities of daily living and reintegration into the society was remarkable.ConclusionAdult-onset dystonic syndromes predominantly presenting with dystonic opisthotonus are relatively rare. The specific nature of dystonic opisthotonus remains a treatment challenge, and thorough investigation of this highly disabling condition with varying etiologies is often necessary. Although patients may be refractory to medical management and botulinum toxin injection, Globus pallidus stimulation timed and tailored provided symptomatic control in this cohort and may be considered in other carefully selected cases.

Project description:Cystic fibrosis (CF) liver disease (CFLD), a leading cause of death in CF, is mostly described in pediatric populations. Adult-onset CFLD lacks sufficient characterization and diagnostic tools. A cohort of CF patients without CFLD during childhood were followed for up to 38 years with serologic testing, imaging, and noninvasive fibrosis markers. Historical CFLD diagnostic criteria were compared with newly proposed CFLD criteria. Thirty-six CF patients were followed for a median of 24.5 years (interquartile range 15.6-32.9). By the last follow-up, 11 (31%) had died. With conventional criteria, 8 (22%) patients had CFLD; and by the new criteria, 17 (47%) had CFLD at a median age of 36.6 years (interquartile range 26.5-43.2). By the new criteria, those with CFLD had higher median alanine aminotransferase (42 versus 27, P = 0.005), aspartate aminotransferase (AST; 26 versus 21, P = 0.01), direct bilirubin (0.13 versus 0.1, P = 0.01), prothrombin time (14.4 versus 12.4, P = 0.002), and AST-to-platelet ratio index (0.31 versus 0.23, P = 0.003) over the last 2 years of follow-up. Subjects with a FibroScan >6.8 kPa had higher alanine aminotransferase (42 versus 28U/L, P = 0.02), AST (35 versus 25U/L, P = 0.02), AST-to-platelet ratio index (0.77 versus 0.25, P = 0.0004), and Fibrosis-4 index (2.14 versus 0.74, P = 0.0003) and lower platelet counts (205 versus 293, P = 0.02). One CFLD patient had nodular regenerative hyperplasia. Longitudinally, mean platelet counts significantly declined in the CFLD group (from 310 to 230 U/L, P = 0.0005). Deceased CFLD patients had lower platelet counts than those alive with CFLD (143 versus 258 U/L, P = 0.004) or those deceased with no CFLD (143 versus 327U/L, P = 0.006).Adult-onset CFLD may be more prevalent than previously described, which suggests a later wave of CFLD that impacts morbidity; routine liver tests, radiologic imaging, noninvasive fibrosis markers, and FibroScan can be used algorithmically to identify adult CFLD; and further evaluation in other CF cohorts should be performed for validation. (Hepatology 2017;66:591-601).

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Adult-Onset Primary Dystonic Tics: A Different Entity?

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Adult-Onset Primary Dystonic Tics: A Different Entity?

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