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Non-motor parkinson's disease

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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/29163340/the-dominant-subthalamic-nucleus-phenomenon-in-bilateral-deep-brain-stimulation-for-parkinson-s-disease-evidence-from-a-gait-analysis-study
#2
Mario Giorgio Rizzone, Maurizio Ferrarin, Michele Maria Lanotte, Leonardo Lopiano, Ilaria Carpinella
Background: It has been suggested that parkinsonian [Parkinson's disease (PD)] patients might have a "dominant" (DOM) subthalamic nucleus (STN), whose unilateral electrical stimulation [deep brain stimulation (DBS)] could lead to an improvement in PD symptoms similar to bilateral STN-DBS. Objectives: Since disability in PD patients is often related to gait problems, in this study, we wanted to investigate in a group of patients bilaterally implanted for STN-DBS: (1) if it was possible to identify a subgroup of subjects with a dominant STN; (2) in the case, if the unilateral stimulation of the dominant STN was capable to improve gait abnormalities, as assessed by instrumented multifactorial gait analysis, similarly to what observed with bilateral stimulation...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29163328/parkinson-s-disease-severity-at-3%C3%A2-years-can-be-predicted-from-non-motor-symptoms-at-baseline
#3
Alba Ayala, José Matías Triviño-Juárez, Maria João Forjaz, Carmen Rodríguez-Blázquez, José-Manuel Rojo-Abuin, Pablo Martínez-Martín
Objective: The aim of this study is to present a predictive model of Parkinson's disease (PD) global severity, measured with the Clinical Impression of Severity Index for Parkinson's Disease (CISI-PD). Methods: This is an observational, longitudinal study with annual follow-up assessments over 3 years (four time points). A multilevel analysis and multiple imputation techniques were performed to generate a predictive model that estimates changes in the CISI-PD at 1, 2, and 3 years...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29163029/micrornas-and-target-genes-as-biomarkers-for-the-diagnosis-of-early-onset-of-parkinson-disease
#4
REVIEW
Ahmad R Arshad, Siti A Sulaiman, Amalia A Saperi, Rahman Jamal, Norlinah Mohamed Ibrahim, Nor Azian Abdul Murad
Among the neurodegenerative disorders, Parkinson's disease (PD) ranks as the second most common disorder with a higher prevalence in individuals aged over 60 years old. Younger individuals may also be affected with PD which is known as early onset PD (EOPD). Despite similarities between the characteristics of EOPD and late onset PD (LODP), EOPD patients experience much longer disease manifestations and poorer quality of life. Although some individuals are more prone to have EOPD due to certain genetic alterations, the molecular mechanisms that differentiate between EOPD and LOPD remains unclear...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29151169/parkinson-s-disease-experimental-models-and-reality
#5
REVIEW
Peizhou Jiang, Dennis W Dickson
Parkinson's disease (PD) is a chronic, progressive movement disorder of adults and the second most common neurodegenerative disease after Alzheimer's disease. Neuropathologic diagnosis of PD requires moderate-to-marked neuronal loss in the ventrolateral substantia nigra pars compacta and α-synuclein (αS) Lewy body pathology. Nigrostriatal dopaminergic neurodegeneration correlates with the Parkinsonian motor features, but involvement of other peripheral and central nervous system regions leads to a wide range of non-motor features...
November 18, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/29151060/genetics-of-parkinson-s-disease-and-related-disorders
#6
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/29150860/quality-of-life-outcomes-after-subthalamic-stimulation-in-parkinson-s-disease-depends-on-age
#7
Haidar S Dafsari, Paul Reker, Lisa Stalinski, Monty Silverdale, Alexandra Rizos, Keyoumars Ashkan, Michael T Barbe, Gereon R Fink, Julian Evans, Julia Steffen, Michael Samuel, Till A Dembek, Veerle Visser-Vandewalle, Angelo Antonini, K Ray-Chaudhuri, Pablo Martinez-Martin, Lars Timmermann
OBJECTIVE: The purpose of this study was to investigate how quality of life outcome after bilateral subthalamic nucleus (STN) deep brain stimulation (DBS) in Parkinson's disease (PD) depends on age. METHODS: In this prospective, open-label, multicenter study including 120 PD patients undergoing bilateral STN-DBS, we investigated the PDQuestionnaire-8 (PDQ-8), Unified PD Rating Scale-III, Scales for Outcomes in PD-motor examination, complications, activities of daily living, and levodopa equivalent daily dose preoperatively and at 5 months follow-up...
November 18, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29145189/rem-sleep-behavior-disorder
#8
Claudio L Bassetti, Panagiotis Bargiotas
Rapid eye movement sleep behavior disorder (RBD) is a brain disorder, characterized by the dream enactment during rapid eye movement (REM) sleep due to a lack of physiologic muscle atonia and increased muscle twitching. Schenk was the first to describe this disorder in 1986; however, few authors reported in the 1970-1980s loss of physiological muscle atonia combined with dream enactment in the course of brainstem disorders and as a consequence of alcoholism and antidepressant treatment. RBD affects less than 1% of the adult population, but can be found in up to 25-50% of neurodegenerative disorders including Parkinson's disease, multisystem atrophy, and dementia with Lewy body...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29144106/cognitive-reserve-as-a-variable-impacting-the-effectiveness-of-rehabilitation-on-balance-in-parkinson-s-disease
#9
Giulia Piccinini, Isabella Imbimbo, Diego Ricciardi, Daniele Coraci, Claudia Santilli, Maria R Lo Monaco, Claudia Loreti, Maria C Vulpiani, Maria C Silveri, Luca Padua
BACKGROUND: Cognitive reserve (CR) can be considered an active expression of brain resilience in response to damage. Several studies have shown the influence of CR on cognitive impairment and its relationship with cognitive function in Parkinson's disease (PD). AIM: To show if CR influences the effectiveness of balance rehabilitation in PD patients who performed a conventional rehabilitative treatment. DESIGN: Observational longitudinal study...
November 16, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29143692/non-pharmacological-interventions-for-lewy-body-dementia-a-systematic-review
#10
Michael H Connors, Lena Quinto, Ian McKeith, Henry Brodaty, Louise Allan, Claire Bamford, Alan Thomas, John-Paul Taylor, John T O'Brien
Lewy body dementia (consisting of dementia with Lewy bodies and Parkinson's disease dementia) is a common neurodegenerative disease characterised by visual hallucinations, fluctuating attention, motor disturbances, falls, and sensitivity to antipsychotics. This combination of features presents challenges for pharmacological management. Given this, we sought to review evidence for non-pharmacological interventions with patients with Lewy body dementia and their carers. Bibliographic databases were searched using a wide range of search terms and no restrictions were placed on study design, language, or clinical setting...
November 16, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/29139041/drug-safety-analysis-in-a-real-life-cohort-of-parkinson-s-disease-patients-with-polypharmacy
#11
Saskia Müller-Rebstein, Claudia Trenkwalder, Jens Ebentheuer, Wolfgang H Oertel, Carsten Culmsee, Günter U Höglinger
BACKGROUND: Polypharmacy is common in geriatric Parkinson's disease (PD) patients in advanced disease stages with multiple comorbidities, bearing multiple risks for drug safety in theory. OBJECTIVE: The aim of this study was to empirically identify the most frequent and relevant contraindications and drug interactions actually occurring and compromising drug safety in PD in real life. METHODS: We conducted a prospective observational study in a multimorbid cohort of PD patients with polypharmacy admitted to a specialized hospital...
November 14, 2017: CNS Drugs
https://www.readbyqxmd.com/read/29133700/wearing-off-a-complex-phenomenon-often-poorly-recognized-in-parkinson-s-disease-a-study-with-the-woq-19-questionnaire
#12
Michele Pistacchi, Manuela Gioulis, Flavio Sanson, Sandro Z Marsala
BACKGROUND: 'Wearing off' refers to the phenomenology of movement disorders in Parkinson's disease (PD) that appears early and is much commoner than generally believed. It may be present in the form of either motor symptoms or non-motor symptoms. AIM: To investigate the utility of wearing-off questionnaire (WOQ-19, Italian version) in the outpatient clinical practice to assess the suitability of different combinations of treatment, in various stages of PD. METHODS: 73 consecutive patients (58% male and 42% female) suffering from PD were recruited through the Santorso Hospital and San Martino Hospital from September 2012 to March 2014...
November 2017: Neurology India
https://www.readbyqxmd.com/read/29130466/-safinamide-from-daily-clinical-practice-first-clinical-steps
#13
J Pagonabarraga, J Kulisevsky
INTRODUCTION: The management of motor complications in Parkinson's disease (PD) is still limited. Safinamide, a new drug that has MAO-B inhibition and antiglutamatergic effects through inhibition of sodium channels, has shown efficacy for the treatment of fluctuations at doses of 50-100 mg/day. PATIENTS AND METHODS: From daily clinical practice, we describe the efficacy and tolerability of safinamide at three months in PD patients with motor complications. Efficacy was assessed by the Clinical Global Impression of Change scale and change in 'off' time during the daytime...
November 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/29128393/rem-sleep-deprivation-and-dopaminergic-d2-receptors-modulation-increase-recognition-memory-in-an-animal-model-of-parkinson-s-disease
#14
Adriano D S Targa, Ana Carolina D Noseda, Lais S Rodrigues, Mariana F Aurich, Marcelo M S Lima
Cognitive impairment is an important non-motor symptom of Parkinson's disease (PD). The neuronal death in nigrostriatal pathway is the main factor for motor symptoms and recent studies indicate a possible influence in non-motor symptoms as well. The pedunculopontine tegmental nucleus (PPT) and basal ganglia are closely related anatomically and functionally and, since they are affected by neurodegeneration in PD, they might be involved in recognition memory. To investigate this, we promoted an ibotenic acid lesion within the PPT or a rotenone lesion within substantia nigra pars compacta (SNpc) of Wistar rats, followed by 24h of REM sleep deprivation (REMSD)...
November 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29124669/shunt-occlusion-for-portosystemic-shunt-syndrome-related-refractory-hepatic-encephalopathy-a-single-center-experience-in-21-patients-from-kerala
#15
Cyriac Abby Philips, Lijesh Kumar, Philip Augustine
INTRODUCTION: Large spontaneous portosystemic shunts (SPSS) are seen in a subset of patients with liver disease and medically refractory recurrent/persistent hepatic encephalopathy (MRHE). Shunt occlusion has been shown to improve clinical outcomes. METHODS: We retrospectively analyzed patient characteristics, SPSS attributes, procedural features, baseline clinical and investigational parameters, neurological outcomes, adverse effects (procedure and portal hypertension related), and risk factors predicting outcomes in liver disease patients undergoing shunt occlusion procedure for MRHE...
November 10, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/29122265/a-mixed-methods-evaluation-of-a-mindfulness-based-stress-reduction-course-for-people-with-parkinson-s-disease
#16
Kelly Birtwell, Linda Dubrow-Marshall, Rod Dubrow-Marshall, Tim Duerden, Annette Dunn
OBJECTIVE: The aim of this study was to evaluate the effects of an 8-week Mindfulness-Based Stress Reduction course (MBSR) on people with Parkinson's disease who experienced depression, anxiety, stress or difficulty coping with Parkinson's. METHODS: Thirteen participants were recruited and six completed the full MBSR course. Data were analysed using repeated measures analysis of variance and thematic analysis. RESULTS: There were significant improvements in levels of depression, anxiety and stress at weeks eight and sixteen, as measured by the Depression Anxiety and Stress Scale, short version (DASS-21)...
November 2017: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/29114366/evaluation-of-non-motor-symptoms-and-their-impact-on-quality-of-life-in-patients-with-parkinson-s-disease-isfahan-iran
#17
Mehri Salari, Ahmad Chitsaz, Masoud Etemadifar, Mohammad Reza Najafi, Omid Mirmosayyeb, Maryam Bemanalizadeh, Fatemeh Panahi, Hosna Mirzajani
Background: Parkinson's disease (PD) is diagnosed on the basis of motor symptoms, but non-motor symptoms (NMS) have high prevalence in PD and often antecede motor symptoms for years and cause severe disability. This study was conducted to determine the prevalence of NMS in patients with PD. Methods: This cross-sectional study was performed in Isfahan, Iran, on patients with PD. The prevalence of NMS was evaluated by the NMS questionnaire, the NMS scale, and Parkinson's disease questionnaire-39 (PDQ-39). The Mini-Mental Status Examination (MMSE) was used for assessing cognition...
July 6, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/29114364/outcome-of-subthalamic-nucleus-deep-brain-stimulation-on-long-term-motor-function-of-patients-with-advanced-parkinson-disease
#18
Gholam Ali Shahidi, Mohammad Rohani, Mansour Parvaresh, Bahram Haghi-Ashtiani, Maryam Saeedi, Romina Rashedi, Zeynab Noori-Motlagh
Background: The objective of our study was to assess Unified Parkinson Disease Rating Scale (UPDRS) score in Parkinson disease (PD) patients who underwent subthalamic nucleus (STN) deep brain stimulation (DBS) 6 years after their surgery and to compare their UPDRS score 6 years after DBS with their score before surgery and 6 months after their operation. Methods: In this cross sectional study which was carried out at Neurology Department of Rasool-e Akram Hospital, Tehran, Iran, affiliated to Iran University of Medical Sciences between 2008 and 2014, 37 patients with advanced PD were enrolled using non-randomized sampling method...
July 6, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/29113975/g-quadruplex-binding-small-molecules-ameliorate-c9orf72-ftd-als-pathology-in%C3%A2-vitro-and-in%C3%A2-vivo
#19
Roberto Simone, Rubika Balendra, Thomas G Moens, Elisavet Preza, Katherine M Wilson, Amanda Heslegrave, Nathan S Woodling, Teresa Niccoli, Javier Gilbert-Jaramillo, Samir Abdelkarim, Emma L Clayton, Mica Clarke, Marie-Therese Konrad, Andrew J Nicoll, Jamie S Mitchell, Andrea Calvo, Adriano Chio, Henry Houlden, James M Polke, Mohamed A Ismail, Chad E Stephens, Tam Vo, Abdelbasset A Farahat, W David Wilson, David W Boykin, Henrik Zetterberg, Linda Partridge, Selina Wray, Gary Parkinson, Stephen Neidle, Rickie Patani, Pietro Fratta, Adrian M Isaacs
Intronic GGGGCC repeat expansions in C9orf72 are the most common known cause of frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS), which are characterised by degeneration of cortical and motor neurons, respectively. Repeat expansions have been proposed to cause disease by both the repeat RNA forming foci that sequester RNA-binding proteins and through toxic dipeptide repeat proteins generated by repeat-associated non-ATG translation. GGGGCC repeat RNA folds into a G-quadruplex secondary structure, and we investigated whether targeting this structure is a potential therapeutic strategy...
November 7, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29112012/semiquantitative-analysis-of-dopamine-transporter-scans-in-patients-with-parkinson-disease
#20
Sule Tinaz, Christopher Chow, Phillip H Kuo, Elizabeth A Krupinski, Hal Blumenfeld, Elan D Louis, George Zubal
PURPOSE: Dopamine transporter (DaT) imaging is an adjunct diagnostic tool in parkinsonian disorders. Interpretation of DaT scans is based on visual reads. SBRquant is an automated method that measures the striatal binding ratio (SBR) in DaT scans, but has yet to be optimized. We aimed to (1) optimize SBRquant parameters to distinguish between patients with Parkinson disease (PD) and healthy controls using the Parkinson's Progression Markers Initiative (PPMI) database and (2) test the validity of these parameters in an outpatient cohort...
November 3, 2017: Clinical Nuclear Medicine
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