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https://www.readbyqxmd.com/read/28331893/striking-basal-ganglia-imaging-abnormalities-in-lgi1-ab-faciobrachial-dystonic-seizures
#1
A Sebastian López Chiriboga, Jason L Siegel, William O Tatum, Jerry J Shih, Eoin P Flanagan
No abstract text is available yet for this article.
May 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28316586/spatial-and-temporal-high-processing-of-visual-and-auditory-stimuli-in-cervical-dystonia
#2
Gaetana Chillemi, Alessandro Calamuneri, Francesca Morgante, Carmen Terranova, Vincenzo Rizzo, Paolo Girlanda, Maria Felice Ghilardi, Angelo Quartarone
OBJECTIVE: Investigation of spatial and temporal cognitive processing in idiopathic cervical dystonia (CD) by means of specific tasks based on perception in time and space domains of visual and auditory stimuli. BACKGROUND: Previous psychophysiological studies have investigated temporal and spatial characteristics of neural processing of sensory stimuli (mainly somatosensorial and visual), whereas the definition of such processing at higher cognitive level has not been sufficiently addressed...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28297686/-early-experience-with-the-vercise-sup-tm-sup-dbs-system-in-the-treatment-of-dystonic-tremor
#3
Yasushi Miyagi
Six cases of dystonic tremor were treated with the Vercise<sup>TM</sup> deep brain stimulation(DBS)system, which has the multiple independent current control(MICC)technology. The mean preoperative score of Burke-Fahn-Marsden dystonia rating scale was 16.2±9.4, which was reduced to 6.1±4.6 at 5 months postoperatively. A 65-year-old male presented an intractable dystonic tremor of the jaw, neck, and shoulders due to tardive syndrome. He experienced the successful tremor relief after unipolar DBS in the globus pallidus internus(GPi)with Vercise<sup>TM</sup> but complained of dysarthria...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28275351/botulinum-toxin-is-effective-in-the-management-of-neurogenic-dysphagia-clinical-electrophysiological-findings-and-tips-on-safety-in-different-neurological-disorders
#4
Enrico Alfonsi, Domenico A Restivo, Giuseppe Cosentino, Roberto De Icco, Giulia Bertino, Antonio Schindler, Massimiliano Todisco, Mauro Fresia, Andrea Cortese, Paolo Prunetti, Matteo C Ramusino, Arrigo Moglia, Giorgio Sandrini, Cristina Tassorelli
Background and Aims: Neurogenic dysphagia linked to failed relaxation of the upper esophageal sphincter (UES) can be treated by injecting botulinum toxin (BTX) into the cricopharyngeal (CP) muscle. We compared the effects of this treatment in different neurological disorders with dysphagia, to evaluate its efficacy over time including the response to a second injection. Materials and Methods: Sixty-seven patients with neurogenic dysphagia associated with incomplete or absent opening of the UES (24 with brainstem or hemispheric stroke, 21 with parkinsonian syndromes, 12 with multiple sclerosis, and 10 with spastic-dystonic syndromes secondary to post-traumatic encephalopathy) were treated with the injection of IncobotulinumtoxinA (dose 15-20 U) into the CP muscle under electromyographic guidance...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28255730/medial-temporal-lobe-epilepsy-associated-with-hippocampal-sclerosis-is-a-distinctive-syndrome
#5
Young Joo No, Chiara Zavanone, Franck Bielle, Vi-Huong Nguyen-Michel, Yves Samson, Claude Adam, Vincent Navarro, Sophie Dupont
Epileptic syndromes are distinctive disorders with specific features, which when taken together, permit a specific diagnosis. There is actually a debate on that medial temporal lobe epilepsy with hippocampal sclerosis is an epileptic syndrome. To address this issue, we searched for discriminative semiological features between temporal lobe epilepsy patients with hippocampal sclerosis (TLE-HS patients or group 1), TLE patients with medial structural lesion other than hippocampal sclerosis or in MRI-negative cases with medial onset on further investigations (group 2) and lateral TLE patients (LTLE or group 3)...
March 2, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28246967/the-cognitive-role-of-the-globus-pallidus-interna-insights-from-disease-states
#6
M J Gillies, J A Hyam, A R Weiss, C A Antoniades, R Bogacz, J J Fitzgerald, T Z Aziz, M A Whittington, Alexander L Green
The motor symptoms of both Parkinson's disease and focal dystonia arise from dysfunction of the basal ganglia, and are improved by pallidotomy or deep brain stimulation of the Globus Pallidus interna (GPi). However, Parkinson's disease is associated with a greater degree of basal ganglia-dependent learning impairment than dystonia. We attempt to understand this observation in terms of a comparison of the electrophysiology of the output of the basal ganglia between the two conditions. We use the natural experiment offered by Deep Brain Stimulation to compare GPi local field potential responses in subjects with Parkinson's disease compared to subjects with dystonia performing a forced-choice decision-making task with sensory feedback...
February 28, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28237421/theory-of-mind-emotional-and-social-functioning-and-motor-severity-in-children-and-adolescents-with-dystonic-cerebral-palsy
#7
Dolapo Adegboye, Annette Sterr, Jean-Pierre Lin, Tamsin J Owen
AIMS: This cross-sectional study aimed to investigate whether children and adolescents with dystonic cerebral palsy (CP) present with emotional and social difficulties along side motor limitations. PARTICIPANTS/MEASURES: Twenty-two verbal and nonverbal children and adolescents with dystonic CP were compared with a normative sample of twenty children and adolescents on measures of theory of mind (ToM), emotion regulation (ER), and social difficulties (SD). RESULTS: Higher social and emotional difficulties were found in the dystonic CP group compared to the control group...
January 31, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28220756/deep-brain-stimulation-for-childhood-dystonia-is-where-as-important-as-in-whom
#8
REVIEW
Daniel E Lumsden, Margaret Kaminska, Keyoumars Ashkan, Richard Selway, Jean-Pierre Lin
Deep brain stimulation (DBS) has become a mainstay of dystonia management in adulthood. Typically targeting electrode placement in the GPi, sustained improvement in dystonic symptoms are anticipated in adults with isolated genetic dystonias. Dystonia in childhood is more commonly a symptomatic condition, with dystonia frequently expressed on the background of a structurally abnormal brain. Outcomes following DBS in this setting are much more variable, the reasons for which have yet to be elucidated. Much of the focus on improving outcomes following DBS in dystonia management has been on the importance of patient selection, with, until recently, little discussion of the choice of target...
January 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28203577/ertapenem-induced-encephalopathy-in-a-patient-with-normal-renal-function
#9
S Scott Sutton, Mark Jumper, Sean Cook, Babatunde Edun, Michael D Wyatt
Drug-induced neurotoxicity is a rare adverse reaction associated with ertapenem. Encephalopathy is a type of neurotoxicity that is defined as a diffuse disease of the brain that alters brain function or structure. We report a patient with normal renal function who developed ertapenem-induced encephalopathy manifesting as altered mental status, hallucinations, and dystonic symptoms. The patient's symptoms improved dramatically following ertapenem discontinuation, consistent with case reports describing ertapenem neurotoxicity in renal dysfunction...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28199993/intraoperative-thresholds-for-capsular-stimulation-are-reliable-for-chronic-pallidal-deep-brain-stimulation-in-dystonia
#10
René Reese, Martin M Reich, Daniela Falk, Günther Deuschl, H Maximilian Mehdorn, Jens Volkmann
BACKGROUND: The threshold current for inducing muscle contractions by stimulation of pyramidal tract fibres adjacent to the globus pallidus internus (GPi) is, besides microelectrode recordings for the determination of nuclear boundaries, currently the only neurophysiological marker for intraoperative refinement of the anatomically planned target point for pallidal deep brain stimulation (GPi-DBS) in dystonia. OBJECTIVES: To determine the relationship between intraoperative thresholds for muscle contractions under general anaesthesia and postoperative thresholds in GPi-DBS...
February 16, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28192488/does-dystonic-muscle-activity-affect-sense-of-effort-in-cervical-dystonia
#11
Loïc Carment, Marc A Maier, Sophie Sangla, Vincent Guiraud, Serge Mesure, Marie Vidailhet, Påvel G Lindberg, Jean-Pierre Bleton
BACKGROUND: Focal dystonia has been associated with deficient processing of sense of effort cues. However, corresponding studies are lacking in cervical dystonia (CD). We hypothesized that dystonic muscle activity would perturb neck force control based on sense of effort cues. METHODS: Neck extension force control was investigated in 18 CD patients with different clinical features (7 with and 11 without retrocollis) and in 19 control subjects. Subjects performed force-matching and force-maintaining tasks at 5% and 20% of maximum voluntary contraction (MVC)...
2017: PloS One
https://www.readbyqxmd.com/read/28168537/hyperkinetic-movement-disorder-emergencies
#12
REVIEW
Giovanni Cossu, Carlo Colosimo
A movement disorder emergency has been defined by Fahn and Frucht as "any neurological disorder evolving acutely or subacutely, in which the clinical presentation is dominated by a primary movement disorder, and in which failure to accurately diagnose and manage the patient may result in significant morbidity or even mortality." In this review, we discuss the most common situations in which hyperkinetic movement disorders, including chorea, ballism, dystonia, myoclonus, tics, as well as psychogenic disorders, can present as emergencies...
January 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28166327/neurological-autoantibody-prevalence-in-epilepsy-of-unknown-etiology
#13
Divyanshu Dubey, Abdulradha Alqallaf, Ryan Hays, Matthew Freeman, Kevin Chen, Kan Ding, Mark Agostini, Steven Vernino
Importance: Autoimmune epilepsy is an underrecognized condition, and its true incidence is unknown. Identifying patients with an underlying autoimmune origin is critical because these patients' condition may remain refractory to conventional antiseizure medications but may respond to immunotherapy. Objective: To determine the prevalence of neurological autoantibodies (Abs) among adult patients with epilepsy of unknown etiology. Design, Setting, and Participants: Consecutive patients presenting to neurology services with new-onset epilepsy or established epilepsy of unknown etiology were identified...
February 6, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28160152/deep-brain-stimulation-for-dystonia-a-novel-perspective-on-the-value-of-genetic-testing
#14
REVIEW
H A Jinnah, Ron Alterman, Christine Klein, Joachim K Krauss, Elena Moro, Marie Vidailhet, Robert Raike
The dystonias are a group of disorders characterized by excessive muscle contractions leading to abnormal movements and postures. There are many different clinical manifestations and underlying causes. Deep brain stimulation (DBS) provides an effect treatment, but outcomes can vary considerably among the different subtypes of dystonia. Several variables are thought to contribute to this variation including age of onset and duration of dystonia, specific characteristics of the dystonic movements, location of stimulation and stimulator settings, and others...
April 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28119789/integration-of-osteopathic-manual-treatments-in-management-of-cervical-dystonia-with-tremor-a-case-series
#15
Miriam Halimi, Adena Leder, Jayme D Mancini
BACKGROUND: Cervical dystonia, also known as spasmodic torticollis, is a chronic disorder in which patients exhibit involuntary repetitive contractions of neck muscles resulting in abnormal postures or movements. Occasionally, there is also a dystonic head tremor. The underlying mechanisms for cervical dystonia and dystonic tremor are not clear, and treatments are limited. CASE REPORT: In the present cases, two females with head tremor starting in adolescence developed worsening symptoms of cervical dystonia with dystonic tremor in their 60s...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28115470/intracellular-and-non-neuronal-targets-of-voltage-gated-potassium-channel-complex-antibodies
#16
Bethan Lang, Mateusz Makuch, Teresa Moloney, Inga Dettmann, Swantje Mindorf, Christian Probst, Winfried Stoecker, Camilla Buckley, Charles R Newton, M Isabel Leite, Paul Maddison, Lars Komorowski, Jane Adcock, Angela Vincent, Patrick Waters, Sarosh R Irani
OBJECTIVES: Autoantibodies against the extracellular domains of the voltage-gated potassium channel (VGKC) complex proteins, leucine-rich glioma-inactivated 1 (LGI1) and contactin-associated protein-2 (CASPR2), are found in patients with limbic encephalitis, faciobrachial dystonic seizures, Morvan's syndrome and neuromyotonia. However, in routine testing, VGKC complex antibodies without LGI1 or CASPR2 reactivities (double-negative) are more common than LGI1 or CASPR2 specificities. Therefore, the target(s) and clinical associations of double-negative antibodies need to be determined...
April 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28113638/haptic-feedback-manipulation-during-botulinum-toxin-injection-therapy-for-focal-hand-dystonia-patients-a-possible-new-assistive-strategy
#17
Seyed Farokh Atashzar, Mahya Shahbazi, Christopher Ward, Olivia Samotus, Mehdi Delrobaei, Fariborz Rahimi, Jack Lee, Mallory Jackman, Mandar Jog, Rajni Patel
Abnormality of sensorimotor integration in the basal ganglia and cortex has been reported in the literature for patients with task-specific focal hand dystonia (FHD). In this study, we investigate the effect of manipulation of kinesthetic input in people living with writer's cramp disorder (a major form of FHD). For this purpose, severity of dystonia is studied for 11 participants while the symptoms of 7 participants have been tracked during 5 sessions of assessment and Botulinum toxin injection (BoNT-A) therapy (one of the current suggested therapies for dystonia)...
August 19, 2016: IEEE Transactions on Haptics
https://www.readbyqxmd.com/read/28061898/metoclopramide-induced-acute-dystonic-reaction-a-case-report
#18
Frank-Leonel Tianyi, Valirie Ndip Agbor, Tsi Njim
BACKGROUND: Metoclopramide is a commonly used anti-emetic drug known to cause extrapyramidal symptoms as adverse effects, amongst which are dystonic reactions. These reactions are more frequent at high doses of metoclopramide, in female patients, children and adults less than 30 years of age. We hereby present the case of a 16 year old female who had dystonic reactions from metoclopramide, highlighting its unpredictable nature and the shortcomings of the management in resource-limited settings...
January 7, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28056455/the-association-of-musculoskeletal-pain-with-bone-mineral-density-in-patients-with-parkinson-s-disease
#19
Seong-Min Choi, Byeong C Kim, Hyun-Jung Jung, Geum-Jin Yoon, Kyung Wook Kang, Kang-Ho Choi, Seung-Han Lee, Man-Seok Park, Myeong-Kyu Kim, Ki-Hyun Cho
BACKGROUND: Pain and osteoporosis are common in Parkinson's disease (PD), and lower bone mineral density (BMD) or osteoporosis may be associated with an increased risk of reporting to have pain in the general population. The aim of this study was to determine whether there is an association between the pain subtypes and the BMD in patients with PD. METHODS: We included 162 PD patients. Pain was assessed using the patients' descriptions, a structured interview, a detailed neurologic examination, and the Visual Analogue Scale...
2017: European Neurology
https://www.readbyqxmd.com/read/28045840/acute-dystonia-versus-neuroleptic-malignant-syndrome-without-fever-in-an-eight-year-old-child
#20
Rita Sridaran, Chadd E Nesbit
Neuroleptic malignant syndrome (NMS) is a rare but potentially fatal complication of the use of certain medications. It is being seen more often in the pediatric population because of the increasing use of both typical and atypical antipsychotics in children. Rapid recognition of NMS is important to emergency physicians because timely treatment can be life saving. Acute dystonia is also a well-known and more common adverse effect of certain types of antipsychotics, more commonly seen with the typical antipsychotics versus the atypical antipsychotics...
January 2017: Pediatric Emergency Care
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