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https://www.readbyqxmd.com/read/29164312/efficacy-and-safety-of-rotigotine-in-elderly-patients-with-parkinson-s-disease-in-comparison-with-the-non-elderly-a-post-hoc-analysis-of-randomized-double-blind-placebo-controlled-trials
#1
Masahiro Nomoto, Hirotaka Iwaki, Hiroyuki Kondo, Masaya Sakurai
Rotigotine-a non-ergot dopamine agonist-has two advantages; it can stimulate all dopamine receptors (D1-D5) like innate dopamine, and its transdermal administration provides continuous dopaminergic stimulation. The age of the patient impacts the effect and adverse events of anti-parkinsonian treatment. We conducted a post hoc analysis on three randomized, double-blind, placebo-controlled trials performed in Japan to clarify the difference of anti-parkinsonian treatment in elderly and non-elderly patients. Data from two combination therapy trials (with levodopa) in advanced stage Parkinson's disease patients and one monotherapy trial in early stage patients were pooled and grouped by age (non-elderly aged < 70, elderly aged 70 +)...
November 21, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29164011/dat-s-awesome-hawai-i-s-first-dopamine-transporter-dat-nuclear-medicine-study
#2
Eric J Royston, Yang-En Kao, Kevin M Nakamura
Parkinsonian Syndromes are difficult to accurately diagnose and distinguish from other neurological processes such as essential tremor. Until now, physical exam and clinical presentation have been the gold standard for diagnosis (bradykinesia, tremor, rigidity, and postural instability).1 However, this leads to over- or under diagnosis and improper treatment due to variability in presentation and symptoms.1 A nuclear medicine study using I-123 Ioflupane (DaTSCAN) has been developed, which allows accurate differentiation of Parkinsonian Syndromes from other etiologies...
November 2017: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/29163141/disrupted-functional-connectivity-of-basal-ganglia-across-tremor-dominant-and-akinetic-rigid-dominant-parkinson-s-disease
#3
Xiaojun Guan, Qiaoling Zeng, Tao Guo, Jiaqiu Wang, Min Xuan, Quanquan Gu, Tao Wang, Peiyu Huang, Xiaojun Xu, Minming Zhang
It is well known that disruption of basal ganglia function generates the motor symptoms in PD, however, these are presented in a heterogeneous manner; patients can be divided into tremor-dominant and akinesia/rigidity-dominant subtypes. To date, it is unknown if these differences in the motor symptoms could be explained by differences on the functional connectivity of basal ganglia with specific brain regions. In this study, we aimed to explore the alterations of the network-based and global functional connectivity linking to basal ganglia between the PD-TD and PD-AR patients...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29159074/only-some-patients-with-bulbar-and-spinal-muscular-atrophy-may-develop-cardiac-disease
#4
Josef Finsterer, Claudia Stöllberger
Objectives: According to recent publications, some patients with spinal and bulbar muscular atrophy (BSMA) develop cardiac disease, manifesting as ST-segment abnormalities, Brugada-syndrome, dilative cardiomyopathy, or sudden cardiac death. Here we present neurological and cardiac data of a BSMA patient who was followed up for 10 y. Case report: In a male patient aged 47 y, BSMA was diagnosed at age 37 y upon the typical clinical presentation (postural tremor since age 12 y, dysarthria since age 15 y, muscle cramps since age 29 y, general myalgias since age 32 y, general fasciculations since age 34 y, myoclonic jerks, easy fatigability, dyspnea upon exercise since age 36 y) and a CAG-repeat expansion of 47 ± 1 repeats in the androgen-receptor gene detected at age 37 y...
March 2018: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/29157315/botulinum-toxin-type-a-injections-as-monotherapy-for-upper-limb-essential-tremor-using-kinematics
#5
Olivia Samotus, Niraj Kumar, Philippe Rizek, Mandar Jog
BACKGROUND: There is a significant need for a targeted therapy for essential tremor (ET), as medications have not been developed specifically for ET, and the ones prescribed are often not well-tolerated, so that many patients remain untreated. Recent work has shown that, unlike previous experience, kinematically guided individualized botulinum toxin type A (BoNT-A) injections provide benefit along with minimal weakness. Ours is the first long-term (96-week) safety and efficacy study of BoNT-A as monotherapy for ET using kinematically driven injection parameters...
November 21, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29153981/movement-disorders-in-a-cohort-of-algerian-patients-with-multiple-sclerosis
#6
S A Hatteb, S Daoudi
Multiple sclerosis is an inflammatory demyelinating disease of central nervous system. Except for cerebellar tremor, occurence of other movement disorders remains rare. Our study aimed to evaluate their prevalence in our population of patients with multiple sclerosis, and to compare it with literature data. Our results showed higher prevalence compared to European studies, raising the question of mechanisms of the disorder. MRI correlation was also studied, in 3 cases over 8 and a possible correlation was found...
November 16, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/29151795/the-influence-of-occlusal-stabilization-appliances-on-cervical-dystonia-symptoms
#7
Camelia Navrotchi, Mîndra Eugenia Badea
Objectives: The aim of this study was to assess the therapeutic efficiency of the occlusal stabilization appliance (OSA) in patients with cervical dystonia (CD). Methods: The study included 11 patients aged between 29 and 80 years, 7 women and 4 men, diagnosed with primary CD. The patients underwent an extra- and intra-oral clinical examination, followed by para-clinical examinations, necessary for the specifications of the OSA. The following data were recorded: demographic parameters, CD duration, management of the disease, dental impression, recording of the centric relationship, recording of the position of the upper jaw with the facial bow...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29151367/surveillance-of-the-armed-forces-as-a-sentinel-system-for-detecting-adverse-effects-of-dietary-supplements-in-the-general-population
#8
Harris R Lieberman, Krista G Austin, Emily K Farina
OBJECTIVE: Half the US population takes dietary supplements, but surveillance systems available to regulatory and public health authorities to determine whether specific dietary supplements present a risk are inadequate and numerous severe injuries and deaths have occurred from their consumption. Uniformed military personnel regularly use dietary supplements and are more likely to use potentially dangerous supplements than civilians. Recently, the supplement 1,3-dimethylamylamine (DMAA) was marketed for physical performance-enhancement and weight loss...
November 20, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/29151060/genetics-of-parkinson-s-disease-and-related-disorders
#9
REVIEW
Pei-Lan Zhang, Yan Chen, Chen-Hao Zhang, Yu-Xin Wang, Pedro Fernandez-Funez
Parkinson's disease (PD) is a complex and heterogeneous neurological condition characterised mainly by bradykinesia, resting tremor, rigidity and postural instability, symptoms that together comprise the parkinsonian syndrome. Non-motor symptoms preceding and following clinical onset are also helpful diagnostic markers revealing a widespread and progressive pathology. Many other neurological conditions also include parkinsonism as primary or secondary symptom, confounding their diagnosis and treatment. Although overall disease course and end-stage pathological examination single out these conditions, the significant overlaps suggest that they are part of a continuous disease spectrum...
November 18, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29145922/erdheim-chester-disease-and-palatal-tremor
#10
Natalie E Parks, R Allan Purdy
No abstract text is available yet for this article.
November 17, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29145285/degeneration-of-paramedian-nuclei-in-the-thalamus-induces-holmes-tremor-in-a-case-of-artery-of-percheron-infarction
#11
Tz-Shiang Wei, Chun-Sheng Hsu, Yu-Chun Lee, Shin-Tsu Chang
RATIONALE: Holmes' tremor is an uncommon neurologic disorder following brain insults, and its pathogenesis is undefined. The interruption of the dento-rubro-thalamic tract and secondary deterioration of the nigrostriatal pathway are both required to initiate Holmes' tremor. We used nuclear medicine imaging tools to analyze a patient with concurrent infarction in different zones of each side of the thalamus. Finding whether the paramedian nuclear groups of the thalamus were injured was a decisive element for developing Holmes' tremor...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144025/detection-of-atypical-porcine-pestivirus-in-semen-from-commercial-boar-studs-in-the-united-states
#12
I R H Gatto, P H Arruda, C A Visek, J G Victoria, A R Patterson, A C Krull, K J Schwartz, L G de Oliveira, B L Arruda
Atypical porcine pestivirus (APPV) has recently been identified as a cause of congenital tremor (CT) in pigs and has been detected in semen and preputial swabs from boars that were known to be clinically affected with CT. Accordingly, the objectives of this study were to 1) detect the presence of APPV in semen, preputial fluids and preputial swabs from adult boars by quantitative reverse transcription PCR (qRT-PCR) and 2) genetically characterize a subset of positive samples to better understand the ecology of APPV in commercial boar studs and the potential risk of transmission of APPV via semen...
November 16, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29141794/short-term-outcome-of-adem-results-from-a-retrospective-cohort-study-from-south-india
#13
Mary Iype, P A Mohammed Kunju, Geetha Saradakutty, T S Anish, Mini Sreedharan, Shahanaz M Ahamed
INTRODUCTION: Acute disseminated encephalomyelitis (ADEM), an immune mediated inflammatory disease is common in children. The profile and immediate outcome of children hospitalized with ADEM is scarce in the available literature. OBJECTIVES: We aimed to study the clinical profile of children with ADEM and to look for prognostic factors for outcome at discharge from hospital METHODS: We chose a retrospective cohort study of all children diagnosed with ADEM at our institution between January 2006 and December 2015, and they were evaluated, after excluding other diagnoses when they were summoned for a follow up visit...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29136548/wavelet-coherence-analysis-a-new-approach-to-distinguish-organic-and-functional-tremor-types
#14
G Kramer, A M M Van der Stouwe, N M Maurits, M A J Tijssen, J W J Elting
OBJECTIVE: To distinguish tremor subtypes using wavelet coherence analysis (WCA). WCA enables to detect variations in coherence and phase difference between two signals over time and might be especially useful in distinguishing functional from organic tremor. METHODS: In this pilot study, polymyography recordings were studied retrospectively of 26 Parkinsonian (PT), 26 functional (FT), 26 essential (ET), and 20 enhanced physiological (EPT) tremor patients. Per patient one segment of 20 s in duration, in which tremor was present continuously in the same posture, was selected...
October 14, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29133699/referral-practice-reporting-standards-and-the-impact-of-dopamine-transporter-scans-done-in-a-tertiary-hospital
#15
Shakya Bhattacharjee, Albi J Chalissery, Tim Barry, Donagh O'Sullivan, Martin O'Connell, Timothy Lynch
AIMS: We studied the referral practice, reporting standards, and the impact of 123 ioflupane single photon emission computed tomogram dopamine transporters (DAT-SPECT) scans conducted for the diagnosis and clinical management of patients. SETTINGS AND DESIGNS: The present study was a retrospective, non-interventional study. MATERIALS AND METHODS: We assessed the DAT scan referral and the official reports available from the Nuclear Medicine Department of the Mater Misericordiae University Hospital over 1 year (2013)...
November 2017: Neurology India
https://www.readbyqxmd.com/read/29130507/neurofascin-155-igg4-neuropathy-pathophysiological-insights-spectrum-of-clinical-severity-and-response-to-treatment
#16
Nidhi Garg, Susanna B Park, Con Yiannikas, Steve Vucic, James Howells, Yu-Ichi Noto, Emily K Mathey, John D Pollard, Matthew C Kiernan
INTRODUCTION: Sensorimotor neuropathy associated with IgG4 antibodies to neurofascin-155 (NF155) was recently described. The clinical phenotype is typically associated with young onset, distal weakness and in some cases, tremor. METHODS: From a consecutive cohort of 55 patients diagnosed with chronic inflammatory demyelinating polyneuropathy, screening for anti-NF155 antibodies was undertaken. Patients underwent clinical assessment, diagnostic neurophysiology, including peripheral axonal excitability studies and nerve ultrasound...
November 11, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/29128955/right-brodmann-area-18-predicts-tremor-arrest-after-vim-radiosurgery-a-voxel-based-morphometry-study
#17
Constantin Tuleasca, Tatiana Witjas, Dimitri Van de Ville, Elena Najdenovska, Antoine Verger, Nadine Girard, Jerome Champoudry, Jean-Philippe Thiran, Meritxell Bach Cuadra, Marc Levivier, Eric Guedj, Jean Régis
INTRODUCTION: Drug-resistant essential tremor (ET) can benefit from open standard stereotactic procedures, such as deep-brain stimulation or radiofrequency thalamotomy. Non-surgical candidates can be offered either high-focused ultrasound (HIFU) or radiosurgery (RS). All procedures aim to target the same thalamic site, the ventro-intermediate nucleus (e.g., Vim). The mechanisms by which tremor stops after Vim RS or HIFU remain unknown. We used voxel-based morphometry (VBM) on pretherapeutic neuroimaging data and assessed which anatomical site would best correlate with tremor arrest 1 year after Vim RS...
November 11, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29127138/%C3%AE-catenin-ctnnd2-missense-mutation-in-familial-cortical-myoclonic-tremor-and-epilepsy
#18
Anne-Fleur van Rootselaar, Alexander J Groffen, Boukje de Vries, Petra M C Callenbach, Gijs W E Santen, Stephany Koelewijn, Lisanne S Vijfhuizen, Arthur Buijink, Marina A J Tijssen, Arn M J M van den Maagdenberg
OBJECTIVE: To identify the causative gene in a large Dutch family with familial cortical myoclonic tremor and epilepsy (FCMTE). METHODS: We performed exome sequencing for 3 patients of our FCMTE family. Next, we performed knock-down (shRNA) and rescue experiments by overexpressing wild-type and mutant human δ-catenin (CTNND2) proteins in cortical mouse neurons and compared the results with morphologic abnormalities in the postmortem FCMTE brain. RESULTS: We identified a missense mutation, p...
November 10, 2017: Neurology
https://www.readbyqxmd.com/read/29126946/sensory-percepts-induced-by-microwire-array-and-dbs-microstimulation-in-human-sensory-thalamus
#19
Brandon D Swan, Lynne B Gasperson, Max O Krucoff, Warren M Grill, Dennis A Turner
BACKGROUND: Microstimulation in human sensory thalamus (ventrocaudal, VC) results in focal sensory percepts in the hand and arm which may provide an alternative target site (to somatosensory cortex) for the input of prosthetic sensory information. Sensory feedback to facilitate motor function may require simultaneous or timed responses across separate digits to recreate perceptions of slip as well as encoding of intensity variations in pressure or touch. OBJECTIVES: To determine the feasibility of evoking sensory percepts on separate digits with variable intensity through either a microwire array or deep brain stimulation (DBS) electrode, recreating "natural" and scalable percepts relating to the arm and hand...
October 27, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29125566/botulinum-toxin-in-management-of-limb-tremor
#20
REVIEW
Elina Zakin, David Simpson
Essential tremor is characterized by persistent, usually bilateral and symmetric, postural or kinetic activation of agonist and antagonist muscles involving either the distal or proximal upper extremity. Quality of life is often affected and one's ability to perform daily tasks becomes impaired. Oral therapies, including propranolol and primidone, can be effective in the management of essential tremor, although adverse effects can limit their use and about 50% of individuals lack response to oral pharmacotherapy...
November 10, 2017: Toxins
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