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https://www.readbyqxmd.com/read/29332084/thalamic-deep-brain-stimulation
#1
Benjamin B Whiting, Alexander C Whiting, Donald M Whiting
The use of deep brain stimulation (DBS) of the thalamus has been proven to be a safe and efficacious treatment for the management of many diseases. The most common indication for thalamic DBS remains essential tremor (ET), one of the most common movement disorders in the world. ET patients should be considered for surgical intervention when their tremor has demonstrated to be refractory to medication, a characteristic estimated to be present in roughly 50% of ET cases. Advantages of DBS over thalamotomy include its reversibility, the ability to adjust stimulation settings to optimize efficacy and minimize side effects, the ability to perform bilateral procedures safely, and an association with a lower risk of postoperative cognitive problems...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332008/leg-stereotypy-syndrome-phenomenology-and-prevalence
#2
Mitesh Lotia, Michele K York, Adriana M Strutt, Joseph Jankovic
OBJECTIVES: To describe the phenomenology and prevalence of leg stereotypy syndrome (LSS), characterised chiefly by repetitive, rhythmical, stereotypic leg movement, especially when sitting. METHODS: We sought to characterise LSS in two groups of subjects: (1) general population (GP) group, defined as individuals accompanying patients during their visits to Baylor College of Medicine Parkinson's Disease Center and Movement Disorders Clinic who are not genetically related to the patients; and (2) movement disorders (MD) group, composed of consecutive patients with diagnoses of restless legs syndrome, Parkinson's disease, Tourette syndrome and tardive dyskinesia...
January 13, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29331594/effects-of-physical-activity-on-the-symptoms-of-tourette-syndrome-a-systematic-review
#3
David D Kim, Darren E R Warburton, Nana Wu, Alasdair M Barr, William G Honer, Ric M Procyshyn
There is irrefutable evidence that routine physical activity or exercise can offer considerable health benefits to individuals living with various mental disorders. However, it is not clear what effect physical activity has on the symptoms of Tourette syndrome. Despite a paucity of evidence, physical activity or exercise has already been recommended by various health organizations for the management of tics. We provide a systematic review of the effects of physical activity or exercise on tic symptomology in individuals with Tourette syndrome...
December 8, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29329743/gaba-and-glutamate-in-children-with-tourette-syndrome-a-1h-mr-spectroscopy-study-at-7t
#4
E Mark Mahone, Nicolaas A Puts, Richard A E Edden, Matthew Ryan, Harvey S Singer
Tourette syndrome (TS) is characterized by presence of chronic, fluctuating motor and phonic tics. The underlying neurobiological basis for these movements is hypothesized to involve cortical-striatal-thalamo-cortical (CSTC) pathways. Two major neurotransmitters within these circuits are γ-aminobutyric acid (GABA) and glutamate. Seventy-five participants (32 with TS, 43 controls) ages 5-12 years completed 1H MRS at 7T. GABA and glutamate were measured in dorsolateral prefrontal cortex (DLPFC), ventromedial prefrontal cortex (VMPFC), premotor cortex (PMC), and striatum, and metabolites quantified using LCModel...
January 3, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29325791/the-therapeutic-effects-of-cannabis-and-cannabinoids-an-update-from-the-national-academies-of-sciences-engineering-and-medicine-report
#5
REVIEW
Donald I Abrams
The National Academies of Sciences, Engineering and Medicine conducted a rapid turn-around comprehensive review of recent medical literature on The Health Effects of Cannabis and Cannabinoids. The 16-member committee adopted the key features of a systematic review process, conducting an extensive search of relevant databases and considered 10,000 recent abstracts to determine their relevance. Primacy was given to recently published systematic reviews and primary research that studied one of the committee's 11 prioritized health endpoints- therapeutic effects; cancer incidence; cardiometabolic risk; respiratory disease; immune function; injury and death; prenatal, perinatal and postnatal outcomes; psychosocial outcomes; mental health; problem Cannabis use; and Cannabis use and abuse of other substances...
January 8, 2018: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29325623/tourette-disorder-and-other-tic-disorders
#6
Thomas V Fernandez, Matthew W State, Christopher Pittenger
Tourette disorder is a developmental neuropsychiatric condition characterized by vocal and motor tics that can range in severity from mild to disabling. It represents one end of a spectrum of tic disorders and is estimated to affect 0.5-0.7% of the population. Accumulated evidence supports a substantial genetic contribution to disease risk, but the identification of genetic variants that confer risk has been challenging. Positive findings in candidate gene association studies have not replicated, and genomewide association studies have not generated signals of genomewide significance, in large part because of inadequate sample sizes...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29325470/the-effect-of-shorter-exposure-versus-prolonged-exposure-on-treatment-outcome-in-tourette-syndrome-and-chronic-tic-disorders-an-open-trial
#7
Jolande M T M van de Griendt, Maarten K van Dijk, Cara W J Verdellen, Marc J P M Verbraak
BACKGROUND: Exposure and response prevention has shown to be an effective strategy and is considered a first-line intervention in the behavioural treatment of tic disorders. Prior research demonstrated significant tic reduction after 12 two hour sessions. OBJECTIVE: In this open trial, the question is addressed whether, relative to these prolonged sessions, exposure sessions of shorter duration yield differential outcome for patients with tic disorders. METHODS: A total of 29 patients diagnosed with Tourette syndrome (TS) or chronic tic disorder were treated with shorter exposure sessions (1 h), and these data were compared to the data from a study about prolonged exposure (2 h, n = 21)...
January 11, 2018: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/29317605/non-invasive-modulation-reduces-repetitive-behavior-in-a-rat-model-through-the-sensorimotor-cortico-striatal-circuit
#8
Henriette Edemann-Callesen, Bettina Habelt, Franziska Wieske, Mark Jackson, Niranjan Khadka, Daniele Mattei, Nadine Bernhardt, Andreas Heinz, David Liebetanz, Marom Bikson, Frank Padberg, Ravit Hadar, Michael A Nitsche, Christine Winter
Involuntary movements as seen in repetitive disorders such as Tourette Syndrome (TS) results from cortical hyperexcitability that arise due to striato-thalamo-cortical circuit (STC) imbalance. Transcranial direct current stimulation (tDCS) is a stimulation procedure that changes cortical excitability, yet its relevance in repetitive disorders such as TS remains largely unexplored. Here, we employed the dopamine transporter-overexpressing (DAT-tg) rat model to investigate behavioral and neurobiological effects of frontal tDCS...
January 10, 2018: Translational Psychiatry
https://www.readbyqxmd.com/read/29317441/chronic-tic-disorders-in-children-with-adhd
#9
William Poh, Jonathan M Payne, Alisha Gulenc, Daryl Efron
OBJECTIVE: To examine in a community-based cohort: (1) the prevalence of chronic tic disorder (CTD) in children with attention-deficit/hyperactivity disorder (ADHD) compared with non-ADHD controls at ages 7 and 10; and (2) the additional psychiatric and functional burden of CTD in children with ADHD. METHODS: Children aged 6-8 years with ADHD (n=179) and controls (n=212) were recruited through 43 Victorian schools using parent and teacher screening surveys (Conners 3 ADHD Index), followed by case confirmation (Diagnostic Interview Schedule for Children-IV (DISC-IV))...
January 9, 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29314714/behavioral-fragmentation-in-the-d1ct-7-mouse-model-of-tourette-s-syndrome
#10
Andrea Santangelo, Marco Bortolato, Laura J Mosher, Giuseppe Crescimanno, Giuseppe Di Giovanni, Emanuele Cassioli, Valdo Ricca, Maurizio Casarrubea
AIM: The transgenic D1CT-7 mouse is one of the best-characterized animal models of Tourette's syndrome (TS), exhibiting spontaneous tic-like Head-Body Twitches (HBT) and deficits in sensorimotor gating. This study is aimed at evaluating the behavioral dynamics of these mutants and their potential relevance to TS. METHODS: The behavior of D1CT-7 and Wild Type littermates was firstly assessed by considering frequencies and durations. To detect recurrent real-time behavioral sequences, the multivariate T-pattern analysis was employed...
January 3, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29304272/botulinum-toxin-for-motor-and-phonic-tics-in-tourette-s-syndrome
#11
REVIEW
Sanjay Pandey, Prachaya Srivanitchapoom, Richard Kirubakaran, Brian D Berman
BACKGROUND: Gilles de la Tourette syndrome, or Tourette's syndrome, is defined as the presence of both motor and vocal (phonic) tics for more than 12 months, that manifest before the age of 18 years, in the absence of secondary causes. Treatment of motor and phonic tics is difficult and challenging. OBJECTIVES: To determine the safety and effectiveness of botulinum toxin in treating motor and phonic tics in people with Tourette's syndrome, and to analyse the effect of botulinum toxin on premonitory urge and sensory tics...
January 5, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29302150/the-forgotten-plague-psychiatric-manifestations-of-ebola-zika-and-emerging-infectious-diseases
#12
REVIEW
Veronica Tucci, Nidal Moukaddam, Jonathan Meadows, Suhal Shah, Sagar C Galwankar, G Bobby Kapur
The media and public health generally focus on the biological and physical ramifications of epidemics. Mental health issues that coincide with emerging diseases and epidemics are rarely examined and sometimes, even eschewed due to cultural considerations. Psychiatric manifestations of various infectious diseases, especially with a focus on Ebola Virus disease (EVD) and Zika Virus, are discussed in this commentary to illustrate the continued need of care after the resolution of the actual illness. Various infectious diseases have associations with mental illness, such as an increased risk of obsessive-compulsive disorders and Tourette syndrome in children with Group B streptococcal infection...
October 2017: Journal of Global Infectious Diseases
https://www.readbyqxmd.com/read/29295486/adaptive-deep-brain-stimulation-adbs-for-tourette-syndrome
#13
Sara Marceglia, Manuela Rosa, Domenico Servello, Mauro Porta, Sergio Barbieri, Elena Moro, Alberto Priori
Deep brain stimulation (DBS) has emerged as a novel therapy for the treatment of several movement and neuropsychiatric disorders, and may also be suitable for the treatment of Tourette syndrome (TS). The main DBS targets used to date in patients with TS are located within the basal ganglia-thalamo-cortical circuit involved in the pathophysiology of this syndrome. They include the ventralis oralis/centromedian-parafascicular (Vo/CM-Pf) nucleus of the thalamus and the nucleus accumbens. Current DBS treatments deliver continuous electrical stimulation and are not designed to adapt to the patient's symptoms, thereby contributing to unwanted side effects...
December 23, 2017: Brain Sciences
https://www.readbyqxmd.com/read/29282341/-tourette-syndrome-clinical-features-and-pathophysiology
#14
Yoshiko Nomura
Tourette syndrome (TS) is a neuropsychiatric disorder with the onset in childhood. TS is a form of tic disorders, and characterized by the motor and vocal tics, and comorbidities such as attention deficit hyperkinetic and obsessive compulsive disorders. These symptoms appear age dependently, showing a wax and wane course, and subside or abolish by the late teens. Pathophysiology of TS involves the dysfunction of both motor and non-motor basal ganglia-thalamo-cortical circuitries. The nigrostriatal dopamine (DA) system takes the exponential decrement at the striatum...
December 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29278288/tics-and-tourette-syndrome-surplus-of-actions-rather-than-disorder
#15
Christian Beste, Alexander Münchau
No abstract text is available yet for this article.
December 26, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29276650/paroxysmal-kinesigenic-dyskinesia
#16
Martin Paucar, Helena Malmgren, Per Svenningsson
Background: Paroxysmal kinesigenic dyskinesia (PKD) is a rare condition associated with heterozygous mutations in the proline-rich transmembrane protein 2 (PRRT2) gene. Phenomenology Shown: In this article we illustrate the phenomenology of PKD in a male previously misdiagnosed with Tourette's syndrome. Educational Value: Regardless of the underlying phenotype, PKD is highly responsive to some antiepileptic drugs.
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/29250146/advanced-research-on-deep-brain-stimulation-in-treating-mental-disorders
#17
Dongxin Wang, Xuejun Liu, Bin Zhou, Weiping Kuang, Tiansheng Guo
Deep brain stimulation is a method that involves using an electric stimulus on a specific target in the brain with stereotaxis. It is a minimally invasive, safe, adjustable and reversible nerve involvement technology. At present, this technique is widely applied to treat movement disorders and has produced promising effects on mental symptoms, including combined anxiety and depression. Deep brain stimulation has therefore been employed as a novel treatment for depression, obsessive-compulsive disorder, habituation, Tourette's syndrome, presenile dementia, anorexia nervosa and other refractory mental illnesses...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29225671/tourette-syndrome-and-other-neurodevelopmental-disorders-a-comprehensive-review
#18
REVIEW
Elena Cravedi, Emmanuelle Deniau, Marianna Giannitelli, Jean Xavier, Andreas Hartmann, David Cohen
Gilles de la Tourette syndrome (TS) is a complex developmental neuropsychiatric condition in which motor manifestations are often accompanied by comorbid conditions that impact the patient's quality of life. In the DSM-5, TS belongs to the "neurodevelopmental disorders" group, together with other neurodevelopmental conditions, frequently co-occurring. In this study, we searched the PubMed database using a combination of keywords associating TS and all neurodevelopmental diagnoses. From 1009 original reports, we identified 36 studies addressing TS and neurodevelopmental comorbidities...
2017: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/29219631/tourette-syndrome-and-other-chronic-tic-disorders-an-update-on-clinical-management
#19
Davide Martino, Tamara M Pringsheim
The management of Tourette syndrome (TS) and other chronic tic disorders occurs in multiple stages and begins with comprehensive assessment and complex psychoeducation. Behavioral and pharmacological interventions (second stage) are needed when tics cause physical or psychosocial impairment. Deep brain stimulation surgery or experimental therapies represent the third stage. Areas covered: Discussed are recent advances in assessment and therapy of chronic tic disorders, encompassing the three stages of intervention, with the addition of experimental, non-invasive brain stimulation strategies...
December 8, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/29206577/increased-reporting-of-exclusionary-diagnoses-inflate-apparent-reductions-in-long-stay-antipsychotic-prescribing
#20
Jonathan D Winter, J William Kerns, Katherine M Winter, Roy T Sabo
OBJECTIVE: Over the two years following the 2012 introduction of CMS's National Partnership, combined rates of schizophrenia, Tourette's, and Huntington's in US long-stay residents increased 12%. We evaluated trends in reporting of these diagnoses for the subgroup of long-stay residents on antipsychotics. METHODS: Retrospective analysis of Virginia Medicaid claims identified annual utilization rates of psychiatric diagnoses for long-stay seniors on antipsychotics...
October 24, 2017: Clinical Gerontologist
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