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Dystonia review

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https://www.readbyqxmd.com/read/28716238/posttraumatic-dystonia
#1
REVIEW
Karen Frei
In most cases the cause for dystonia is unknown. In a small number of patients, trauma precedes the onset of the dystonia. Significant head trauma is a well-recognized precipitating factor in dystonia. However, it has become increasingly recognized that peripheral trauma can also result in dystonia. Secondary dystonia resulting from both central and peripheral trauma, its possible pathogenesis and treatment is discussed in this review.
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28697164/the-use-safety-and-efficacy-of-olanzapine-in-a-level-i-pediatric-trauma-center-emergency-department-over-a-10-year-period
#2
Jon B Cole, Lauren R Klein, Ashley M Strobel, Stephane R Blanchard, Rebecca Nahum, Marc L Martel
OBJECTIVES: Olanzapine is a second-generation antipsychotic increasingly used in emergency medicine for many indications. Literature on its use in children is sparse. Our objectives were to describe the use, safety, and efficacy of olanzapine in pediatric emergency patients. METHODS: A structured chart review was performed of patients 18 years old or younger receiving olanzapine from 2007 to 2016 in the emergency department of a pediatric level I trauma center. RESULTS: A total of 285 children received olanzapine...
July 11, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28690015/causes-of-failure-of-pallidal-deep-brain-stimulation-in-cases-with-pre-operative-diagnosis-of-isolated-dystonia
#3
K Amande M Pauls, Joachim K Krauss, Constanze E Kämpfer, Andrea A Kühn, Christoph Schrader, Martin Südmeyer, Niels Allert, Rainer Benecke, Christian Blahak, Jana K Boller, Gereon R Fink, Wolfgang Fogel, Thomas Liebig, Faycal El Majdoub, Philipp Mahlknecht, Josef Kessler, Joerg Mueller, Juergen Voges, Matthias Wittstock, Alexander Wolters, Mohammad Maarouf, Elena Moro, Jens Volkmann, Kailash P Bhatia, Lars Timmermann
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-scale (BFMDRS) after ≥6 months of continuous GPi-DBS were videotaped ON and OFF stimulation, and history, preoperative videos, brain MRI, medical records, stimulation settings, stimulation system integrity, lead location, and genetic information were obtained and reviewed by an expert panel...
June 28, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28676144/ixcellence-network%C3%A2-an-international-educational-network-to-improve-current-practice-in-the-management-of-cervical-dystonia-or-spastic-paresis-by-botulinum-toxin-injection
#4
Klemens Fheodoroff, Roongroj Bhidayasiri, Luis Jorge Jacinto, Tae Mo Chung, Kailash Bhatia, Therese Landreau, Carlo Colosimo
Botulinum toxin is a well-established treatment for a number of conditions involving muscle hyperactivity, such as focal dystonia and spastic paresis. However, current injection practice is not standardized and there is a clear need for structured training. An international group of experts in the management of patients with cervical dystonia (CD) and spastic paresis created a steering committee (SC). For each therapeutic area, the SC developed a core slide set on best practice, based on the literature. International sites of expertise were identified for training and courses were designed to include lectures and casebased learning...
April 2017: Functional Neurology
https://www.readbyqxmd.com/read/28669294/unilateral-thalamic-and-pallidal-deep-brain-stimulation-for-idiopathic-hemidystonia-results-of-individual-and-combined-stimulations-case-report
#5
Victor Goulenko, Paulo Luiz da Costa Cruz, Paulo Niemeyer Filho
Pallidal stimulation has been the usual surgical treatment for dystonia in the last decades. The continuous investigation of the physiopathology and the motor pathways involved leads to the search for complementary targets to improve results. The authors present the case of a 37-year-old woman who had suffered from idiopathic hemidystonia with hyperkinetic and hypokinetic movements for 11 years, and who was treated with deep brain stimulation. A brief literature review is also provided. The globus pallidus internus and the ventral intermediate/ventral oral posterior complex of the thalamus were stimulated separately and simultaneously for 3 months and compared using the Burke-Fahn-Marsden Dystonia Rating Scale and the Global Dystonia Severity Rating Scale, with a 3...
July 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28662915/a-new-patient-with-intermediate-severe-salla-disease%C3%A2-with-hypomyelination-a-literature-review-for-salla-disease
#6
Rebecca Barmherzig, Garrett Bullivant, Dawn Cordeiro, David S Sinasac, Susan Blaser, Saadet Mercimek-Mahmutoglu
BACKGROUND: Likely pathogenic variants in SLC17A5 results in allelic disorders of free sialic acid metabolism including (1) infantile free sialic acid storage disease with severe global developmental delay, coarse facial features, hepatosplenomegaly, and cardiomegaly; (2) intermediate severe Salla disease with moderate to severe global developmental delay, hypotonia, and hypomyelination with or without coarse facial features, and (3) Salla disease with normal appearance, mild cognitive dysfunction, and spasticity...
June 1, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28655027/zolpidem-for-the-treatment-of-neurologic-disorders-a-systematic-review
#7
Martin N Bomalaski, Edward S Claflin, Whitney Townsend, Mark D Peterson
Importance: Given its selective action on the ω1 subtype of the γ-aminobutyric acid A receptor, zolpidem tartrate presents a potential treatment mechanism for other neurologic disorders. Objective: To synthesize studies that used zolpidem to treat neurologic disorders. Evidence Review: Eligibility criteria included any published English-language article that examined the use of zolpidem for noninsomnia neurologic disorders in humans for all dates up to March 20, 2015...
June 26, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28651822/pharyngeal-dystonia-mimicking-spasmodic-dysphonia
#8
Lucy L Shi, C Blake Simpson, Edie R Hapner, Hyder A Jinnah, Michael M Johns
OBJECTIVE: The aim of this study was to describe the presentation of pharyngeal dystonia (PD), which can occur as a focal or segmental dystonia with a primarily pharyngeal involvement for the discussion of treatment methods for controlling consequent symptoms. PD is specific to speech-related tasks. METHODS: A retrospective medical record review of four patients with PD was performed. RESULTS: All patients were initially misdiagnosed with adductor spasmodic dysphonia and failed standard treatment with botulinum toxin type A (BTX)...
June 23, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28629633/atypical-pantothenate-kinase-associated-neurodegeneration-clinical-description-of-two-brothers-and-a-review-of-the-literature
#9
S Mahoui, A Benhaddadi, W Ameur El Khedoud, M Abada Bendib, M Chaouch
Two clinical forms of pantothenate kinase-associated neurodegeneration (PKAN) have been described: typical PKAN and atypical PKAN. Atypical PKAN has later onset and a slower course of disease. This report describes two siblings with the atypical form of PKAN, combining dystonia, irritability and a dysmorphia syndrome. In addition, a review of the literature was carried out for all published cases of atypical PKAN to gather descriptions of its various clinical presentations, age of onset and MRI findings, and to highlight the different treatments used for PKAN patients...
June 16, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28627117/the-cognitive-features-of-idiopathic-and-dyt1-dystonia
#10
REVIEW
Marjan Jahanshahi, Mariam Torkamani
Dystonia is a common movement disorder. In this paper, we review the literature on cognitive function in idiopathic and DYT1 dystonia. In idiopathic or DYT1 dystonia, cognition is largely intact with only isolated executive dysfunction. Dystonia patients also have increased temporal and spatial discrimination thresholds, considered endophenotypes of the disorder because deficits are also shown by unaffected relatives and nonmanifesting carriers of the DYT1 mutation. Anticholinergic medication in high doses can be associated with memory impairment in dystonia...
June 19, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28620849/clinical-management-of-dystonia-in-childhood
#11
REVIEW
Quyen N Luc, Jyes Querubin
Dystonia is one of the most frequent movement disorders in childhood. It can impede normal motor development and cause significant motor disability. The diagnostic evaluation of childhood dystonia is challenging due to the phenotypic variability and heterogeneous etiologies. Evidence to guide the diagnostic evaluation and treatment is limited. Assessment is primarily directed by clinical history and distinctive examination findings. Neuroimaging is typically necessary to evaluate for acquired or complex inherited dystonias...
June 15, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28620630/etiology-diagnosis-and-management-of-oromandibular-dystonia-an-update-for-stomatologists
#12
REVIEW
Saeed Raoofi, Hooman Khorshidi, Maryam Najafi
Oromandibular dystonia (OMD) is a rare focal neurological disorder that affects mouth, face, and jaws. This comprehensive literature review aimed to summarize the current evidence for etiology, diagnosis, and management of OMD and assess the possibility of dental origin of the disease and dental treatment plans for these patients. Different online databases namely PubMed, Google scholar, and Scopus were searched. The keywords "oromandibular dystonia", "orofaciomandibular dystonia", "orofacial-buccal dystonia", "lingual dystonia", "jaw dystonia", "cranial dystonia", and "adult-onset facial dystonia" were searched in the title and abstract of publications from 1970 to 2016...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28615985/treatment-of-movement-disorders-with-focused-ultrasound
#13
REVIEW
Paul S Fishman, Victor Frenkel
Although the use of ultrasound as a potential therapeutic modality in the brain has been under study for several decades, relatively few neuroscientists or neurologists are familiar with this technology. Stereotactic brain lesioning had been widely used as a treatment for medically refractory patients with essential tremor (ET), Parkinson disease (PD), and dystonia but has been largely replaced by deep brain stimulation (DBS) surgery, with advantages both in safety and efficacy. However, DBS is associated with complications including intracerebral hemorrhage, infection, and hardware malfunction...
2017: Journal of Central Nervous System Disease
https://www.readbyqxmd.com/read/28614956/interventions-for-treating-hyperemesis-gravidarum-a-cochrane-systematic-review-and-meta-analysis
#14
Rupsa C Boelig, Samantha J Barton, Gabriele Saccone, Anthony J Kelly, Steven J Edwards, Vincenzo Berghella
INTRODUCTION: While nausea and vomiting in early pregnancy are very common, affecting approximately 80% of pregnancies, hyperemesis gravidarum is a severe form affecting 0.3-1.0% of pregnancies. Although hyperemesis gravidarum is rarely a source of mortality, it is a significant source of morbidity. It is one of the most common indications for hospitalization in pregnancy. Beyond the maternal and fetal consequences of malnutrition, the severity of hyperemesis symptoms causes a major psychosocial burden leading to depression, anxiety, and even pregnancy termination...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28604158/a-stepwise-approach-decreasing-infection-in-deep-brain-stimulation-for-childhood-dystonic-cerebral-palsy
#15
Stephen J Johans, Kevin N Swong, Ryan C Hofler, Douglas E Anderson
Dystonia is a movement disorder characterized by involuntary muscle contractions, which cause twisting movements or abnormal postures. Deep brain stimulation has been used to improve the quality of life for secondary dystonia caused by cerebral palsy. Despite being a viable treatment option for childhood dystonic cerebral palsy, deep brain stimulation is associated with a high rate of infection in children. The authors present a small series of patients with dystonic cerebral palsy who underwent a stepwise approach for bilateral globus pallidus interna deep brain stimulation placement in order to decrease the rate of infection...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28600040/anti-n-methyl-d-aspartate-receptor-nmdar-encephalitis-during-pregnancy-clinical-analysis-of-reported-cases
#16
Yan-Chao Shi, Xiu-Ju Chen, Hong-Mei Zhang, Zhen Wang, Da-Yong Du
OBJECTIVE: To analyze the clinical features of 13 pregnant patients with anti-N-Methyl-d-Aspartate receptor (NMDAR) encephalitis. MATERIALS AND METHODS: Retrospective review of thirteen reported cases was conducted for anti-NMDAR encephalitis patients during pregnancy. The clinical data were collected from papers published in PubMed prior to 16 February 2016. Statistical analysis of the data was performed, which encompasses the patients' age, past medical history, onset of symptoms, concomitant with ovarian teratomas, immunotherapy, outcomes of mothers and newborns...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28590521/seventy-years-of-pallidotomy-for-movement-disorders
#17
REVIEW
Laura Cif, Marwan Hariz
The year 2017 marks the 70th anniversary of the birth of human stereotactic neurosurgery. The first procedure was a pallidotomy for Huntington's disease. However, it was for Parkinson's disease that pallidotomy was soon adopted worldwide. Pallidotomy was abandoned in the late 1950s in favor of thalamotomy because of the latter's more striking effect on tremor. The advent of levodopa put a halt to all surgery for PD. In the mid-1980s, Laitinen reintroduced the posteroventral pallidotomy of Leksell, and this procedure spread worldwide thanks to its efficacy on most parkinsonian symptoms including levodopa-induced dyskinesias and thanks to basic scientific work confirming the role of the globus pallidus internus in the pathophysiology of PD...
July 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28580062/dermoid-of-the-oral-cavity-case-report-with-histopathology-correlation-and-review-of-literature
#18
Hanisha Patel, Jonathan Mayl, Bhawna Chandra, Cedric Pritchett, Tushar Chandra
Dermoid cysts are rare masses of the oral cavity derived from ectodermal elements. These are benign, slow-growing tumors that are typically asymptomatic but cause complications of inflammation or dysphagia, dystonia, and airway encroachment due to mass effects. We report the case of a 17 year old female with a painless mass in the left side of the oral cavity. Ultrasound findings demonstrated non-specific findings of a cystic lesion, and definite diagnosis was made with contrast-enhanced CT and intraoperatively with pathologic confirmation...
December 2016: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/28566775/orthopedic-surgery-in-cerebral-palsy-instructional-course-lecture
#19
Deepak Sharan
Orthopedic surgery (OS) plays an important role in the management of cerebral palsy (CP). The objectives of OS are to optimize functions and prevent deformity. Newer developments in OS for CP include emphasis on hip surveillance, minimally invasive procedures, use of external fixators instead of plates and screws, better understanding of lever arm dysfunctions (that can only be corrected by bony OS), orthopedic selective spasticity-control surgery, and single-event multilevel lever arm restoration and anti spasticity surgery, which have led to significant improvements in gross motor function and ambulation, especially in spastic quadriplegia, athetosis, and dystonia...
May 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28543038/central-voice-production-and-pathophysiology-of-spasmodic-dysphonia
#20
REVIEW
Niv Mor, Kristina Simonyan, Andrew Blitzer
OBJECTIVE: Our ability to speak is complex, and the role of the central nervous system in controlling speech production is often overlooked in the field of otolaryngology. In this brief review, we present an integrated overview of speech production with a focus on the role of central nervous system. The role of central control of voice production is then further discussed in relation to the potential pathophysiology of spasmodic dysphonia (SD). DATA SOURCES: Peer-review articles on central laryngeal control and SD were identified from PUBMED search...
May 23, 2017: Laryngoscope
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