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"tourette" "tic"

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https://www.readbyqxmd.com/read/28429606/parent-and-patient-perceptions-of-functional-impairment-due-to-tourette-syndrome-development-of-a-shortened-version-of-the-child-tourette-syndrome-impairment-scale
#1
Kara S Francis Barfell, Ryan R Snyder, Kelly M Isaacs-Cloes, Jordan F Garris, Alyssa R Roeckner, Paul S Horn, Michael D Guthrie, Steve W Wu, Donald L Gilbert
The Child Tourette Syndrome Impairment Scale (CTIM) rates 37 problems in school, social, and home domains separately for tics and for comorbid diagnoses. However, a shorter version would be easier to implement in busy clinics. Using published data from 85 children with Tourette syndrome, 92 controls, and parents, factor analysis was used to generate a "mini-CTIM" composed of 12 items applied to tic and comorbid diagnoses. Child- and parent-rated mini-CTIM scores were compared and correlated across raters and accounting for clinician-rated tic severity and presence of attention-deficit hyperactivity disorder (ADHD) and obsessive-compulsive disorder (OCD)...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28418483/tics-and-tourette-syndrome
#2
Christopher C Muth
No abstract text is available yet for this article.
April 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28387621/deep-brain-stimulation-for-tourette-syndrome-a-single-center-series
#3
Richard S Dowd, Michael Pourfar, Alon Y Mogilner
OBJECTIVE Tourette syndrome (TS) is a complex neuropsychiatric disorder characterized by multiple motor and phonic tics. While pharmacological and behavioral therapy can be effective in most patients, a subset of patients remains refractory to treatment. Increasing clinical evidence from multiple centers suggests that deep brain stimulation (DBS) of the medial thalamus can be effective in many cases of refractory TS. METHODS The authors retrospectively reviewed outcomes in 13 patients with refractory TS who underwent medial thalamic DBS performed by their team over a 7-year period...
April 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28387387/deutetrabenazine-treatment-of-hyperkinetic-aspects-of-huntington-s-disease-tardive-dyskinesia-and-tourette-syndrome
#4
D M Paton
Deutetrabenazine is a derivative of tetrabenazine in which two trideuteromethoxy groups substitute two methoxy groups. The active metabolites of deutetrabenazine have a longer half-life than those of tetrabenazine, together with a greater overall absorption. However, the peak plasma concentrations are lower. Because of these pharmacokinetic differences, deutetrabenazine can be given twice daily, thus improving compliance. The lower peak concentrations may account for a lower incidence of some unwanted adverse effects...
February 2017: Drugs of Today
https://www.readbyqxmd.com/read/28358814/dysfunctions-of-the-basal-ganglia-cerebellar-thalamo-cortical-system-produce-motor-tics-in-tourette-syndrome
#5
Daniele Caligiore, Francesco Mannella, Michael A Arbib, Gianluca Baldassarre
Motor tics are a cardinal feature of Tourette syndrome and are traditionally associated with an excess of striatal dopamine in the basal ganglia. Recent evidence increasingly supports a more articulated view where cerebellum and cortex, working closely in concert with basal ganglia, are also involved in tic production. Building on such evidence, this article proposes a computational model of the basal ganglia-cerebellar-thalamo-cortical system to study how motor tics are generated in Tourette syndrome. In particular, the model: (i) reproduces the main results of recent experiments about the involvement of the basal ganglia-cerebellar-thalamo-cortical system in tic generation; (ii) suggests an explanation of the system-level mechanisms underlying motor tic production: in this respect, the model predicts that the interplay between dopaminergic signal and cortical activity contributes to triggering the tic event and that the recently discovered basal ganglia-cerebellar anatomical pathway may support the involvement of the cerebellum in tic production; (iii) furnishes predictions on the amount of tics generated when striatal dopamine increases and when the cortex is externally stimulated...
March 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28348386/perinatal-risk-factors-in-tourette-s-and-chronic-tic-disorders-a-total-population-sibling-comparison-study
#6
G Brander, M Rydell, R Kuja-Halkola, L Fernández de la Cruz, P Lichtenstein, E Serlachius, C Rück, C Almqvist, B M D'Onofrio, H Larsson, D Mataix-Cols
Adverse perinatal events may increase the risk of Tourette's and chronic tic disorders (TD/CTD), but previous studies have been unable to control for unmeasured environmental and genetic confounding. We aimed to prospectively investigate potential perinatal risk factors for TD/CTD, taking unmeasured factors shared between full siblings into account. A population-based birth cohort, consisting of all singletons born in Sweden in 1973-2003, was followed until December 2013. A total of 3 026 861 individuals were identified, 5597 of which had a registered TD/CTD diagnosis...
March 28, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28339122/mortality-risk-in-a-nationwide-cohort-of-individuals-with-tic-disorders-and-with-tourette-syndrome
#7
Sandra M Meier, Søren Dalsgaard, Preben B Mortensen, James F Leckman, Kerstin J Plessen
BACKGROUND: Few studies have investigated mortality risk in individuals with tic disorders. METHODS: We thus measured the risk of premature death in individuals with tic disorders and with Tourette syndrome in a prospective cohort study with 80 million person-years of follow-up. We estimated mortality rate ratios and adjusted for calendar year, age, sex, urbanicity, maternal and paternal age, and psychiatric disorders to compare individuals with and without tic disorders...
April 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28335874/course-of-tourette-syndrome-and-comorbidities-in-a-large-prospective-clinical-study
#8
Camilla Groth, Nanette Mol Debes, Charlotte Ulrikka Rask, Theis Lange, Liselotte Skov
OBJECTIVE: Tourette syndrome (TS) is a childhood-onset neurodevelopmental disorder characterized by tics and frequent comorbidities. Although tics often improve during adolescence, recent studies suggest that comorbid obsessive-compulsive disorder (OCD) and attention-deficit/hyperactivity disorder (ADHD) tend to persist. This large prospective follow-up study describes the clinical course of tics and comorbidities during adolescence and the prevalence of coexisting psychopathologies. METHOD: The clinical cohort was recruited at the Danish National Tourette Clinic, and data were collected at baseline (n = 314, age range 5-19 years) and at follow-up 6 years later (n = 227) to establish the persistence and severity of tics and comorbidities...
April 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28335873/parental-psychopathology-and-tourette-syndrome-chronic-tic-disorder-in-offspring-a-nationwide-case-control-study
#9
Susanna Leivonen, Jeremiah M Scharf, Carol A Mathews, Roshan Chudal, David Gyllenberg, Dan Sucksdorff, Auli Suominen, Arja Voutilainen, Alan S Brown, Andre Sourander
OBJECTIVE: To determine the associations between maternal and paternal psychiatric diagnoses and Tourette syndrome (TS)/chronic tic disorder (CT) in a nationwide study. METHOD: This nested case-control study linked data derived from three national registers. All singletons born and diagnosed with TS/CT in Finland between January 1991 and December 2010 were identified (n = 1,120) and matched to four controls (n = 4,299). Conditional logistic regression was used to examine the associations between parental psychopathology and TS/CT...
April 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28335870/persistent-tics-tourette-syndrome-and-psychopathology-where-are-we-now-and-where-are-we-going
#10
EDITORIAL
Barbara J Coffey
No abstract text is available yet for this article.
April 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28331502/a-qualitative-exploration-of-the-experiences-of-children-and-adolescents-with-tourette-syndrome
#11
Kim R Edwards, Sandra Mendlowitz, Elana Jackson, Claire Champigny, Matt Specht, Paul Arnold, Daniel Gorman, Gina Dimitropoulos
OBJECTIVE: The purpose of this qualitative study was to explore the experiences of youth with Tourette Syndrome (TS). METHOD: Thirteen participants with TS were recruited from a large tertiary care hospital to complete semi-structured interviews and two questionnaires pertaining to demographic information and tic severity. Thematic analysis was utilized to systematically analyze the data. RESULTS: Three main themes were identified: 1) beliefs about TS; 2) TS related distress and impairment; and, 3) coping with TS...
2017: Journal of the Canadian Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28289952/tic-severity-and-treatment-in-children-the-effect-of-comorbid-attention-deficit-hyperactivity-disorder-and-obsessive-compulsive-behaviors
#12
Tamara Pringsheim
While attention deficit hyperactivity disorder (ADHD) and obsessive compulsive disorder have been shown to have major impacts on quality of life in individuals with Tourette syndrome, there is comparatively little data on how the presence of these comorbidities influence tic severity and treatment. 114 children (mean age 10.25 years) were extensively clinically phenotyped at a single specialty clinic. While there was no difference in Yale Global Tic Severity Scale (YGTSS) scores in children with versus without ADHD, children with obsessive compulsive behaviors had significantly higher YGTSS scores (p = 0...
March 13, 2017: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/28289551/tic-exacerbation-in-adults-with-tourette-syndrome-a-case-series
#13
Sara M Schaefer, Christopher A Chow, Elan D Louis, Daphne Robakis
BACKGROUND: Tourette syndrome (TS) has been described as peaking in adolescence with subsequent regression. We report patients who were diagnosed with TS during childhood who experienced a latent period (significant reduction in or absence of tics) followed by tic re-emergence in adulthood. METHODS: We performed a retrospective chart review of outpatients over age 21 seen at the Yale neurology clinic between January 2012 and July 2016 who were diagnosed with childhood-onset tics, and who experienced a latent period of greater than 1 year followed by an exacerbation...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28288328/case-control-exploratory-study-of-cerebrospinal-fluid-chemokines-cytokines-and-lymphocyte-subsets-in-childhood-tourette-syndrome-with-positive-streptococcal-markers
#14
Michael R Pranzatelli, Elizabeth D Tate, Tyler J Allison
A longstanding question is whether neuroinflammation is present in children symptomatic for Tourette syndrome (TS) with positive streptococcal serology and throat cultures. The objective was to directly test for it using modern hypothesis-driven approaches. Profiling studies for 14 immune cell types (flow cytometry), 7 chemokines/cytokines (ELISA), oligoclonal bands, and other immunoglobulins were performed in this IRB-approved study of 5 children with TS and streptococcal markers compared to data from 26 non-inflammatory pediatric neurological controls...
March 10, 2017: Cytokine
https://www.readbyqxmd.com/read/28285739/neuropsychiatric-comorbidities-in-adults-with-phenylketonuria-a-retrospective-cohort-study
#15
Deborah A Bilder, Joyce A Kobori, Jessica L Cohen-Pfeffer, Erin M Johnson, Elaina R Jurecki, Mitzie L Grant
Adults with phenylketonuria (PKU) may experience neurologic and psychiatric disorders, including intellectual disability, anxiety, depression, and neurocognitive dysfunction. Identifying the prevalence and prevalence ratios of these conditions will inform clinical treatment. This nested, case-controlled study used International Classification of Diseases, Ninth Revision (ICD-9) codes from the MarketScan® insurance claims databases from 2006 to 2012 and healthcare claims data for US-based employer and government-sponsored health plans...
March 6, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28285251/neurodevelopmental-disorders-in-young-violent-offenders-overlap-and-background-characteristics
#16
Eva Billstedt, Henrik Anckarsäter, Märta Wallinius, Björn Hofvander
Neurodevelopmental disorders (Attention-Deficit/Hyperactivity Disorder (ADHD), Autism Spectrum Disorder (ASD), tic disorder, intellectual disability (ID)), in prison populations have received increased attention but the focus has generally been on one single condition leaving out the global picture. This study assessed the prevalence and overlap of neurodevelopmental disorders (NDD) in a consecutive cohort (n=270) of young adult male offenders (age 18-25 years), sentenced for "hands-on" violent offences and serving prison time in Swedish prisons...
March 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28280480/the-efficacy-and-tolerability-of-the-clonidine-transdermal-patch-in-the-treatment-for-children-with-tic-disorders-a-prospective-open-single-group-self-controlled-study
#17
Pan-Pan Song, Li Jiang, Xiu-Juan Li, Si-Qi Hong, Shuang-Zi Li, Yue Hu
BACKGROUND: To evaluate the efficacy and tolerability of a clonidine transdermal patch in the treatment of children with tic disorders (TD) and to establish a predictive model for patients. METHODS: Forty-one patients who met the inclusion criteria entered into 12 weeks of prospective, open, single-group, self-controlled treatment with a clonidine transdermal patch. The Yale Global Tic Severity Scale (YGTSS) was employed before therapy (baseline) and at 4, 8, and 12 weeks after therapy...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28268105/prolonged-striatal-disinhibition-as-a-chronic-animal-model-of-tic-disorders
#18
Esther Vinner, Michal Israelashvili, Izhar Bar-Gad
BACKGROUND: Experimental findings and theoretical models have associated Tourette syndrome with abnormal striatal inhibition. The expression of tics, the hallmark symptom of this disorder, has been transiently induced in non-human primates and rodents by the injection of GABAA antagonists into the striatum, leading to temporary disinhibition. NEW METHOD: The novel chronic model of tic expression utilizes mini-osmotic pumps implanted subcutaneously in the rat back for prolonged infusion of bicuculline into the dorsolateral striatum...
March 4, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28263157/-tic-suppression-is-a-new-evidence-based-non-farmacological-treatment-of-chronic-tic-disorder
#19
Camilla Birgitte Sørensen, Nanette Mol Debes, Liselotte Skov, Maria J Miranda
Chronic tic disorder and Tourette syndrome are both chronic and impairing neurobiological disorders starting in childhood with a prevalence between 0.4 and 1.6%. Traditionally, pharmacological therapies have been first-line treatment but are often associated with adverse effects. Recently behavioural therapy has shown to be effective in treating tics and today both habit reversal (HR) and exposure and response prevention (ERP) are recommended as first-line treatments. HR and ERP are now available for Danish patients...
March 6, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28254245/design-of-a-multisite-study-assessing-the-impact-of-tic-disorders-on-individuals-families-and-communities
#20
E F Augustine, H R Adams, R H Bitsko, E van Wijngaarden, A H Claussen, A Thatcher, C E Hanks, A B Lewin, T G O'Connor, A Vierhile, M L Danielson, R Kurlan, T K Murphy, J W Mink
BACKGROUND: Tic disorders, including Tourette syndrome, are complex, multisymptom diseases, yet the impact of these disorders on affected children, families, and communities is not well understood. METHODS: To improve the understanding of the impacts of Tourette syndrome, two research groups conducted independent cross-sectional studies using qualitative and quantitative measures. They focused on similar themes, but distinct scientific objectives, and the sites collaborated to align methods of independent research proposals with the aim of increasing the analyzable sample size...
March 2017: Pediatric Neurology
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