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Symptoms in Parkinson's disease

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https://www.readbyqxmd.com/read/29774960/alteration-of-nociceptive-integration-in-the-spinal-cord-of-a-rat-model-of-parkinson-s-disease
#1
Keri-Ann Charles, Frédéric Naudet, Rabia Bouali-Benazzouz, Marc Landry, Philippe De Deurwaerdère, Pascal Fossat, Abdelhamid Benazzouz
BACKGROUND: Pain is a major non motor symptom that contributes to impaired quality of life in PD. However, its mechanism is unknown. OBJECTIVES AND METHODS: We sought to identify the pain phenotypes and parallel changes in spinal integration of peripheral stimuli in a rat model of PD induced by lesions of SN dopamine neurons, using behavioral plantar and von Frey tests as well as electrophysiology of the dorsal horn. RESULTS: We show that dopamine depletion by 6-OHDA induced hypersensitivity to mechanical and thermal stimuli...
May 18, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29774765/-staying-safe-a-narrative-review-of-falls-prevention-in-people-with-parkinson-s-pdsafe
#2
Sophia Hulbert, Lynn Rochester, Alice Nieuwboer, Vicki Goodwin, Carolyn Fitton, Kim Chivers-Seymour, Ann Ashburn
BACKGROUND: Parkinson's disease demonstrates a spectrum of motor and non-motor symptoms. Falling is common and disabling. Current medical management shows minimal impact to reduce falls or fall-related risk factors, such as deficits in gait, strength, and postural instability. Despite evidence supporting rehabilitation in reducing fall risk factors, the most appropriate intervention to reduce overall fall rate remains inconclusive. This article aims to 1) synthesise current evidence and conceptual models of falls rehabilitation in Parkinson's in a narrative review; and based on this evidence, 2) introduce the treatment protocol used in the falls prevention and multi-centre clinical trial "PDSAFE"...
May 18, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29773814/melanopsin-mediated-pupil-function-is-impaired-in-parkinson-s-disease
#3
Daniel S Joyce, Beatrix Feigl, Graham Kerr, Luisa Roeder, Andrew J Zele
Parkinson's disease (PD) is characterised by non-motor symptoms including sleep and circadian disruption. Melanopsin-expressing intrinsically photosensitive Retinal Ganglion Cells (ipRGC) transmit light signals to brain areas controlling circadian rhythms and the pupil light reflex. To determine if non-motor symptoms observed in PD are linked to ipRGC dysfunction, we evaluated melanopsin and rod/cone contributions to the pupil response in medicated participants with PD (n = 17) and controls (n = 12)...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769594/touchscreen-typing-pattern-analysis-for-detecting-fine-motor-skills-decline-in-early-stage-parkinson-s-disease
#4
Dimitrios Iakovakis, Stelios Hadjidimitriou, Vasileios Charisis, Sevasti Bostantzopoulou, Zoe Katsarou, Leontios J Hadjileontiadis
Parkinson's disease (PD) is a degenerative movement disorder causing progressive disability that severely affects patients' quality of life. While early treatment can produce significant benefits for patients, the mildness of many early signs combined with the lack of accessible high-frequency monitoring tools may delay clinical diagnosis. To meet this need, user interaction data from consumer technologies have recently been exploited towards unsupervised screening for PD symptoms in daily life. Similarly, this work proposes a method for detecting fine motor skills decline in early PD patients via analysis of patterns emerging from finger interaction with touchscreen smartphones during natural typing...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769252/frequency-of-non-motor-symptoms-in-parkinson-s-disease-presenting-to-tertiary-care-centre-in-pakistan-an-observational-cross-sectional-study
#5
Shahid Mukhtar, Rashid Imran, Mohsin Zaheer, Huma Tariq
OBJECTIVE: To determine the frequency of non-motor symptoms (NMS) in patients of Parkinson's disease (PD) presenting to a movement disorder clinic at a tertiary care centre in Pakistan, and how frequency of NMS is different in male and female patients. STUDY DESIGN: Observational, cross-sectional study. SETTING: Tertiary care centre. PARTICIPANTS: Out of 102 patients, 85 were included. Inclusion criteria were patients with PD diagnosed according to the UK Parkinson's Disease Society Brain Bank Clinical Diagnostic Criteria, age ≥18 years, able to give consent and have no difficulty in answering questions...
May 16, 2018: BMJ Open
https://www.readbyqxmd.com/read/29768473/impaired-serial-ordering-in-nondemented-patients-with-mild-parkinson-s-disease
#6
Jinghong Ma, Shaoyang Ma, Haiqiang Zou, Yizhi Zhang, Piu Chan, Zheng Ye
The ability to arrange thoughts and actions in an appropriate serial order (the problem of serial order) is essential to complex behaviors such as language, reasoning and cognitive planning. Patients with Parkinson's disease (PD) perform poorly in tasks that rely on the successful rearrangement of working memory representations. We hypothesized that serial ordering is impaired in nondemented patients with mild PD. We recruited 49 patients with mild idiopathic PD (Hoehn and Yahr Scale 1-2.5) and 51 matched healthy adults...
2018: PloS One
https://www.readbyqxmd.com/read/29767449/outcomes-of-intradetrusor-onabotulinum-toxin-a-injection-in-patients-with-parkinson-s-disease
#7
Gregory Vurture, Benoit Peyronnet, Andrew Feigin, Milton C Biagioni, Rebecca Gilbert, Nirit Rosenblum, Steven Frucht, Alessandro Di Rocco, Victor W Nitti, Benjamin M Brucker
OBJECTIVE: To assess the safety and efficacy of intradetrusor onabotulinum toxin A injections for the treatment of overactive bladder (OAB) in patients with Parkinson's disease (PD). METHODS: All PD patients who underwent intradetrusor injections of onabotulinum toxin A (BoNT-A) for storage symptoms between 2010 and 2017 were included in a retrospective study. A 100 U dose of BoNT-A (Botox®, Allergan Irvine, CA) was used for the first injection in all patients...
May 16, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29767379/individual-cognitive-change-after-dbs-surgery-in-parkinson-s-disease-patients-using-reliable-change-index-methodology
#8
Thomas Foki, Daniela Hitzl, Walter Pirker, Klaus Novak, Gisela Pusswald, Johann Lehrner
Long-term therapy of Parkinson's disease (PD) with levodopa (L-DOPA) is associated with a high risk of developing motor fluctuations and dyskinesia. Deep brain stimulation (DBS) in PD patients of the subthalamic nucleus can improve these motor complications. Although the positive effect on motor symptoms has been proven, postoperative cognitive decline has been documented. To tackle the impact of PD-DBS on cognition, 18 DBS patients were compared to 25 best medically treated Parkinson's patients, 24 Mild Cognitive Impairment (MCI) patients and 12 healthy controls using the Neuropsychological Test Battery Vienna-long (NTBV-long) for cognitive outcome 12 months after first examination...
May 16, 2018: Neuropsychiatrie: Klinik, Diagnostik, Therapie und Rehabilitation
https://www.readbyqxmd.com/read/29766664/tissue-engineered-nigrostriatal-pathway-for-treatment-of-parkinson-s-disease
#9
Laura A Struzyna, Kevin D Browne, Zachary D Brodnik, Justin C Burrell, James P Harris, H Isaac Chen, John A Wolf, Kate V Panzer, James Lim, John E Duda, Rodrigo A España, D Kacy Cullen
The classic motor deficits of Parkinson's disease are caused by degeneration of dopaminergic neurons in the substantia nigra pars compacta, resulting in the loss of their long-distance axonal projections that modulate the striatum. Current treatments only minimize the symptoms of this disconnection as there is no approach capable of replacing the nigrostriatal pathway. We are applying micro-tissue engineering techniques to create living, implantable constructs that mimic the architecture and function of the nigrostriatal pathway...
May 15, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29765175/the-impact-of-walking-speed-on-interlimb-coordination-in-individuals-with-parkinson-s-disease
#10
Cheng-Chieh Lin, Robert C Wagenaar
[Purpose] Interlimb coordination can be affected by the symptoms associated with Parkinson's disease and may result in an increased risk of falls. The purpose of the current study was to compare changes in interlimb coordination in individuals with Parkinson's disease to healthy older adults while systematically manipulating walking speed. [Subjects and Methods] Participants walked on a treadmill while systematically increasing and decreasing the walking speed between 0.22 and 1.30 m/s. Kinematic data were collected by means of a three dimensional motion capture system...
May 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29764720/altered-somatosensory-processing-in-parkinson-s-disease-and-modulation-by-dopaminergic-medications
#11
Aimee J Nelson, Tasnuva Hoque, Carolyn Gunraj, Robert Chen
BACKGROUND: Somatosensory abnormalities contribute to the pathophysiology of Parkinson's disease (PD). The goal of this study was to identify abnormalities in the tactile-evoked activation of the somatosensory and motor cortices in PD, and in a sensorimotor circuit that traverses both of these cortical loci. The second goal was to investigate the impact of dopaminergic medication on these measures. METHODS: Individuals with PD (n = 10, age 61 ± 8 years) and aged-matched controls (n = 11, age 52...
May 7, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29764386/parkinson-s-disease-diagnostic-observations-paddo-study-rationale-and-design-of-a-prospective-cohort-study-for-early-differentiation-of-parkinsonism
#12
Anouke van Rumund, Marjolein B Aerts, Rianne A J Esselink, Frederick J A Meijer, Marcel M Verbeek, Bastiaan R Bloem
BACKGROUND: Differentiation of Parkinson's disease (PD) from the various types of atypical parkinsonism (AP) such as multiple system atrophy (MSA), progressive supranuclear palsy (PSP), dementia with Lewy bodies (DLB), corticobasal syndrome (CBS) and vascular parkinsonism (VP), can be challenging, especially early in the disease course when symptoms overlap. A major unmet need in the diagnostic workup of these disorders is a diagnostic tool that differentiates the various disorders, preferably in the earliest disease stages when the clinical presentation is similar...
May 16, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29764354/impact-of-ethnicity-on-the-natural-history-of-parkinson-disease
#13
Anna Sauerbier, Azman Aris, Ee Wei Lim, Kalyan Bhattacharya, K Ray Chaudhuri
Parkinson disease (PD) affects people of all races and ethnicity worldwide. PD is a multineurotransmitter and multisystem disorder and our current concept of the natural history of PD has changed considerably over the past decades. Many aspects of this heterogeneous condition still remain unexplained; one aspect that is poorly studied is the role of ethnicity and manifest motor and non-motor PD. Some preliminary data suggest that the prodromal risk of developing PD, clinical symptom expression and the experience of living with the condition may vary between different ethnic groups...
May 21, 2018: Medical Journal of Australia
https://www.readbyqxmd.com/read/29764353/non-motor-parkinson-disease-new-concepts-and-personalised-management
#14
Nataliya Titova, K Ray Chaudhuri
Most patients with Parkinson disease (PD) have non-motor symptoms (NMS), and on average these can range from four to 19 different symptoms. NMS dominate the prodromal phase of PD and some may serve as clinical biomarkers of PD. NMS can be dopaminergic, non-dopaminergic, of genetic origin or drug induced. Clinical assessment of NMS should include the NMS Questionnaire (completed by patients) for screening, as recommended by the International Parkinson and Movement Disorders Society and other international societies...
May 21, 2018: Medical Journal of Australia
https://www.readbyqxmd.com/read/29761156/viewpoint-and-practical-recommendations-from-a-movement-disorder-specialist-panel-on-objective-measurement-in-the-clinical-management-of-parkinson-s-disease
#15
REVIEW
Per Odin, K Ray Chaudhuri, Jens Volkmann, Angelo Antonini, Alexander Storch, Espen Dietrichs, Zvezdan Pirtošek, Tove Henriksen, Malcolm Horne, David Devos, Filip Bergquist
Motor aspects of Parkinson's disease, such as fluctuations and dyskinesia, can be reliably evaluated using a variety of "wearable" technologies, but practical guidance on objective measurement (OM) and the optimum use of these devices is lacking. Therefore, as a first step, a panel of movement disorder specialists met to provide guidance on how OM could be assessed and incorporated into clinical guidelines. A key aspect of the incorporation of OM into the management of Parkinson's disease (PD) is defining cutoff values that separate "controlled" from "uncontrolled" symptoms that can be modified by therapy and that relate to an outcome that is relevant to the person with PD (such as quality of life)...
2018: NPJ Parkinson's Disease
https://www.readbyqxmd.com/read/29761024/relationships-between-activity-and-well-being-in-people-with-parkinson-s-disease
#16
Felicitas Ehlen, Katharina Schindlbeck, Lisa Nobis, André Maier, Fabian Klostermann
Objectives: The complex symptomatology of Parkinson' disease (PD) usually goes along with reduced physical activity. Previous studies have indicated positive effects of activating therapies on patients' well-being. This study, therefore, examined how activity in daily life is related to patients' subjective condition. Materials and Methods: Twenty-one PD patients rated their condition every two hours during two routine days and documented the duration and type of their activities (based on the PRISCUS-Physical Activity Questionnaire) during the respective time intervals...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29760292/-targeting-transcellular-transport-of-%C3%AE-synuclein-for-developing-disease-modifying-therapies-for-synucleinopathy
#17
Takafumi Hasegawa
Parkinson's disease (PD) is the second most common neurodegenerative disorder and it is characterized by progressive physical disability along with a variety of non-motor symptoms. Drugs that replenish dopamine can partly alleviate the motor symptoms; however, they do not cure the disease itself. Therefore, there is an urgent need for disease modifying therapies that would delay or prevent neurodegeneration. Increasing evidence suggests that α-synuclein, a key molecule in PD, is secreted into the extracellular environment and can be transported from cell-to-cell, thereby affecting the physiological state of the neighboring cells in a prion-like manner...
May 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29759928/bdnf-variant-is-associated-with-milder-motor-symptom-severity-in-early-stage-parkinson-s-disease
#18
D Luke Fischer, Peggy Auinger, John L Goudreau, Katrina L Paumier, Allyson Cole-Strauss, Christopher J Kemp, Jack W Lipton, Caryl E Sortwell
INTRODUCTION: Parkinson's disease (PD) progression is heterogeneous. Variants in PD-related genes may alter disease progression or severity. We examined if the single nucleotide variant rs6265 in the gene Bdnf alters clinical phenotype in early-stage, unmedicated PD. METHODS: A retrospective analysis was conducted using data collected in the Deprenyl And Tocopherol Antioxidative Therapy Of Parkinsonism (DATATOP) study. DNA samples (n = 217) were genotyped for the Bdnf rs6265 variant, and the primary endpoint was time to initiate levodopa...
May 9, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29758248/beneficial-effect-of-etazolate-on-depression-like-behavior-and-learning-and-memory-impairment-in-a-model-of-parkinson-s-disease
#19
Karem H Alzoubi, Enas Mokhemer, Amjad N Abuirmeileh
The aim of this study was to evaluate etazolate against depression-like behavior and, learning and memory impairment induced by 6- hydroxydopamine (6-OHDA) rat model of Parkinson's disease (PD). This aim was achieved through comparing 6-OHDA lesioned rats in the presence and absence of etazolate. The 6-OHDA was used to induce lesion as a model of PD. Etazolate was administered at a dose of 1 mg/kg/day for 14 days, starting 7 days after lesion induction. Apomorphine-induced rotation test was used to evaluate 6-OHDA-induced motor deficits, tail suspension test was used to assess depression-like symptoms, and the radial arms water maze (RAWM) was used to evaluate special learning and memory functions...
May 11, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29756519/adipose-derived-stem-cells-stimulated-with-n-butylidenephthalide-exhibit-therapeutic-effects-in-a-mouse-model-of-parkinson-s-disease
#20
Kang Chi, Ru-Huei Fu, Yu-Chuen Huang, Shih-Yin Chen, Ching-Ju Hsu, Shinn-Zong Lin, Chi-Tang Tu, Li-Hsun Chang, Ping-An Wu, Shih-Ping Liu
Parkinson's disease (PD) causes motor dysfunction and dopaminergic cell death. Drug treatments can effectively reduce symptoms but often cause unwanted side effects. Stem cell therapies using cell replacement or indirect beneficial secretomes have recently emerged as potential therapeutic strategies. Although various types of stem cells have been proposed as possible candidates, adipose-derived stem cells (ADSCs) are easily obtainable, more abundant, less ethically disputed, and able to differentiate into multiple cell lineages...
January 1, 2018: Cell Transplantation
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