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Symptoms in Parkinson's disease

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https://www.readbyqxmd.com/read/27911344/patient-perspectives-on-deep-brain-stimulation-clinical-research-in-early-stage-parkinson-s-disease
#1
Lauren Heusinkveld, Mallory Hacker, Maxim Turchan, Madelyn Bollig, Christina Tamargo, William Fisher, Lauren McLaughlin, Adria Martig, David Charles
The FDA approved a multicenter, double-blind, Phase III, pivotal trial testing deep brain stimulation in 280 people with very early stage Parkinson's disease (PD; IDE#G050016). In partnership with The Michael J. Fox Foundation for Parkinson's Research, we conducted a survey to investigate motivating factors, barriers, and gender differences for participation in a trial testing DBS in early PD. The majority of survey respondents (72%) indicated they would consider learning more about participating. Men and women with early PD are likely to consider enrolling in trials of invasive therapies that may slow symptom progression and help future patients...
November 30, 2016: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/27911342/impulsive-and-compulsive-behaviors-in%C3%A2-parkinson-disease-the-norwegian-parkwest-study
#2
Aleksander H Erga, Guido Alves, Jan Petter Larsen, Ole Bj Rn Tysnes, Kenn Freddy Pedersen
BACKGROUND: Impulsive and compulsive behaviors (ICBs) are frequent in Parkinson's disease (PD), but data from population-based cohorts is lacking. OBJECTIVES: To determine the frequency and associated demographic, clinical, neuropsychiatric and cognitive features of ICBs in a population-based PD cohort. METHODS: This cross-sectional study included 125 patients with PD and 159 age- and gender-matched normal controls recruited from the Norwegian ParkWest study...
November 30, 2016: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/27911020/changes-in-resting-state-connectivity-in-musicians-with-embouchure-dystonia
#3
Bernhard Haslinger, Jonas Noé, Eckart Altenmüller, Valentin Riedl, Claus Zimmer, Tobias Mantel, Christian Dresel
OBJECTIVE: Embouchure dystonia is a highly disabling task-specific dystonia in professional brass musicians leading to spasms of perioral muscles while playing the instrument. As they are asymptomatic at rest, resting-state functional magnetic resonance imaging in these patients can reveal changes in functional connectivity within and between brain networks independent from dystonic symptoms. METHODS: We therefore compared embouchure dystonia patients to healthy musicians with resting-state functional magnetic resonance imaging in combination with independent component analyses...
December 2, 2016: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/27905906/discordance-between-self-reported-arthritis-and-musculoskeletal-signs-and-symptoms-in-older-women
#4
Tkt Lo, Lynne Parkinson, Michelle Cunich, Julie Byles
BACKGROUND: Arthritis is a gendered disease where women have a higher prevalence and more disability than men with arthritis of the same age. Health survey data is a major source of information for monitoring of the burden of arthritis. The validity of self-reported arthritis and the determinants of its accuracy among women have not been thoroughly studied. The objectives of this study were to: 1) examine the agreement between self-report diagnosed arthritis and musculoskeletal signs and symptoms in community-living older women; 2) estimate the sensitivity, specificity, and predictive values of self-reported arthritis; and 3) assess the factors associated with the disagreement...
December 1, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27905557/hallucinations-in-schizophrenia-and-parkinson-s-disease-an-analysis-of-sensory-modalities-involved-and-the-repercussion-on-patients
#5
P M Llorca, B Pereira, R Jardri, I Chereau-Boudet, G Brousse, D Misdrahi, G Fénelon, A-M Tronche, R Schwan, C Lançon, A Marques, M Ulla, P Derost, B Debilly, F Durif, I de Chazeron
Hallucinations have been described in various clinical populations, but they are neither disorder nor disease specific. In schizophrenia patients, hallucinations are hallmark symptoms and auditory ones are described as the more frequent. In Parkinson's disease, the descriptions of hallucination modalities are sparse, but the hallucinations do tend to have less negative consequences. Our study aims to explore the phenomenology of hallucinations in both hallucinating schizophrenia patients and Parkinson's disease patients using the Psycho-Sensory hAllucinations Scale (PSAS)...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905364/-transcranial-magnetic-stimulation-in-parkinson-s-disease
#6
G N Tayupova, A R Saitgareeva, A R Baitimerov, O S Levin
This review presents the results of studies investigating the effects of transcranial magnetic stimulation (TKMS) on motor and non-motor symptoms of Parkinson's disease (PD). It has been found that TKMS reduces the severity of both motor and non-motor disorders without causing serious side-effects. Magnetic field therapy can be combined with pharmacological and non-drug therapies, including the use of dopaminergic therapy, antidepressants and anti-dementia drugs, as well as stereotactic operations. It is necessary to continue the study of the influence of TKMS on the severity of PD symptoms using different electromagnetic characteristics...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27905363/-sleep-disorders-in-the-early-stage-of-parkinson-s-disease-in-untreated-patients
#7
N A Amosova, I G Smolentseva, P M Guseinova, O A Maslyuk, E L Gavrilov
Disorders of sleep and wakefulness occur in about 60-98% of patients with Parkinson's disease (PD). The majority of research on the scale and nature of the disorders was performed in patients treated with antiparkinsonian drugs, and, therefore, the true picture of sleep disorders was interfering with side effects of therapy. The spectrum of these disorders in PD patients is broad and includes insomnia, parasomnia and hypersomnia. The main symptoms of insomnia are difficulty in maintaining sleep, associated with nocturia, rapid eye movement (REM) sleep behavior disorder (RBD), night cramps, akinesia and tremor...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27905362/-characteristics-of-parkinson-s-disease-course-in-the-heterozygous-carriage-of-mutations-in-the-glucocerebrosidase-a-gene
#8
O A Gan'kina, E E Vasenina, O S Levin, E Yu Fedotova, S N Illarioshkin
Parkinson's disease (PD) is a common neurodegenerative disease. Literature sources indicate the association of PD and mutations in the glucocerebrosidase A (GBA) gene. According to our study, the frequency of the two most common mutations in the GBA gene, N370S and L444P, is 1.85%. Mutation carriers have slower progression of motor symptoms, but are more likely to develop drug-induced motor fluctuations and dyskinesia. In carriers of GBA mutations, the severity of cognitive impairment corresponds to age-matched patients without mutations...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27905361/-heterogeneity-of-excessive-daytime-sleepiness-in-parkinson-s-disease
#9
O V Babkina, M G Poluektov, O S Levin
For the recent years, a special attention is given to the non-motor symptoms of Parkinson's disease, including sleep/wake disorders representing one of the leading symptoms. Daytime sleepiness occurs in 30-55% of patients depending on duration and stage of the disease, leading to severe maladjustment. This symptom seems to be multifactorial by nature and identification of it's causes could have a great importance for the therapy. The main factors of the development of daytime sleepiness in Parkinson's disease and key points of the pathogenesis of «primary» daytime sleepiness are discussed...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27905268/mapt-mutation-associated-with-frontotemporal-dementia-and-parkinsonism-ftdp-17
#10
Robert Haussmann, Marek Wysocki, Moritz D Brandt, Andreas Hermann, Markus Donix
We present a 56-year-old patient suffering from frontotemporal dementia with parkinsonism linked to chromosome 17 (FTDP-17). The history included a three-generation pedigree and the patient was found to be a mutation carrier. The diagnosis was hindered by late appearance of the hypokinetic movement disorder. For clinicians, it is important to consider rare neurodegenerative disease variants in early-onset familial dementia syndromes with behavioral, cognitive, and motor symptoms.
December 1, 2016: International Psychogeriatrics
https://www.readbyqxmd.com/read/27904494/anti-apoptotic-effect-of-shudipingchan-granule-in-the-substantia-nigra-of-rat-models-of-parkinson-s-disease
#11
Qing Ye, Xiao-Lei Yuan, Jing He, Jie Zhou, Can-Xing Yuan, Xu-Ming Yang
Levodopa is the gold-standard treatment for Parkinson's disease. However, although it alleviates the clinical symptoms, it cannot delay the progressive apoptosis of dopaminergic neurons or prevent motor complications in the long term. In the present study, we investigated the effect of Shudipingchan granule on neuronal apoptosis in a rat model of Parkinson's disease, established by injecting 6-hydroxydopamine into the substantia nigra pars compacta and ventral tegmental area. We then administered levodopa (20 mg/kg intraperitoneally, twice daily) with or without Shudipingchan granule (7...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27899296/targeting-the-norepinephrinergic-system-in-parkinson-s-disease-and-related-disorders-the-locus-coeruleus-story
#12
Yannick Vermeiren, Peter P De Deyn
Parkinson's disease (PD), dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD) are related, progressive and debilitating neurodegenerative disorders with hallmark features that include a variety of motor and non-motor symptoms (behavioral, autonomic and cognitive dysfunction). For almost half a century, the motor aspects have been attributed to Lewy pathology (LP) predominantly in the substantia nigra (SN), causing a major loss of dopaminergic neurons. However, the relative success of dopaminergic replacement therapies for alleviation of solely the parkinsonian features has prompted researchers to further explore other monoaminergic strategies which may tackle all PD-related aspects...
November 26, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/27899223/-test-d-%C3%A3-valuation-des-membres-sup%C3%A3-rieurs-des-personnes-%C3%A3-g%C3%A3-es-%C3%A2-tempa-to-assess-upper-limb-activity-in-parkinson-s-disease
#13
Paula Ruiz de Freitas, Ana Elisa Lemos, Mariana Palla Santos, Stella Maris Michaelsen, Clynton Lourenço Corrêa, Alessandra Swarowsky
STUDY DESIGN: Cross-sectional and observational study. PURPOSE OF THE STUDY: Assess upper limb (UL) activity limitations using the "Test d'Evaluation des Membres Supérieurs Des Personnes Agées" (TEMPA) in individuals with Parkinson's disease (PD) and verify its clinimetrics properties. METHODS: The following were evaluated: internal consistency, interrater and test-retest reliability; concurrent validity; convergent validity; know group's validity; minimal detectable change, floor and ceiling effects, and the relationship between UL activity limitations and the presence of freezing of gait...
November 26, 2016: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/27894611/the-threshold-theory-for-parkinson-s-disease
#14
REVIEW
Simone Engelender, Ole Isacson
Parkinson's disease (PD) is recognized by the accumulation of α-synuclein within neurons. In contrast to the current ascending theory where α-synuclein would propagate from neuron to neuron, we now propose the threshold theory for PD based on evidence of parallel degeneration of both central nervous system (CNS) and peripheral nervous system (PNS) in PD. The functional threshold is lower for the emergence of early symptoms before the classical motor symptoms of PD. This is due to the larger functional reserve of the midbrain dopamine and integrated basal ganglia motor systems to control movement...
November 25, 2016: Trends in Neurosciences
https://www.readbyqxmd.com/read/27892607/hypothalamic-%C3%AE-synuclein-and-its-relation-to-weight-loss-and-autonomic-symptoms-in-parkinson-s-disease
#15
Eduardo De Pablo-Fernandez, Robert Courtney, Janice L Holton, Thomas T Warner
No abstract text is available yet for this article.
November 28, 2016: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/27891159/effects-of-health-qigong-exercises-on-relieving-symptoms-of-parkinson-s-disease
#16
Xiao Lei Liu, Shihui Chen, Yongtai Wang
The purpose of this study was to investigate the effects of Health Qigong on the treatment and releasing symptoms of Parkinson's disease (PD). Fifty-four moderate PD patients (N = 54) were randomly divided into experimental and control groups. Twenty-eight PD patients were placed in the experimental group in which the prescribed medication plus Health Qigong exercise will be used as intervention. The other 26 PD patients as the control group were treated only with regular medication. Ten-week intervention had been conducted for the study, and participants completed the scheduled exercises 5 times per week for 60 minutes each time (10 minutes for warm-up, 40 minutes for the exercise, and 10 minutes for cooldown)...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27889863/genetic-association-study-between-rit2-and-parkinson-s-disease-in-a-han-chinese-population
#17
Jun-Ying Li, Jin-Hong Zhang, Nan-Nan Li, Ling Wang, Zhong-Jiao Lu, Lan Cheng, Xiao-Yi Sun, Rong Peng
Recent several meta-analyses and certain case-control studies suggested that the Ras-like without CAAX 2 (RIT2) rs12456492 increased the risk of Parkinson's disease (PD) in Asian and Caucasian populations. However, as so far, the association between RIT2 rs12456492 and PD is still controversial. We investigated genetic association of RIT2 rs12456492 with PD susceptibility in a Han Chinese population of 1747 ethnic Han Chinese subjects comprising 884 PD patients and 863 healthy controls. The minor allele frequency (MAF) of G at the RIT2 rs12456492 was not significantly different between the cases and the controls...
November 26, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/27889469/changes-in-neural-circuitry-associated-with-depression-at-pre-clinical-pre-motor-and-early-motor-phases-of-parkinson-s-disease
#18
REVIEW
Janina Borgonovo, Camilo Allende-Castro, Almudena Laliena, Néstor Guerrero, Hernán Silva, Miguel L Concha
Although Parkinson's Disease (PD) is mostly considered a motor disorder, it can present at early stages as a non-motor pathology. Among the non-motor clinical manifestations, depression shows a high prevalence and can be one of the first clinical signs to appear, even a decade before the onset of motor symptoms. Here, we review the evidence of early dysfunction in neural circuitry associated with depression in the context of PD, focusing on pre-clinical, pre-motor and early motor phases of the disease. In the pre-clinical phase, structural and functional changes in the substantia nigra, basal ganglia and limbic structures are already observed...
November 21, 2016: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/27885333/astragalus-polysaccharide-suppresses-6-hydroxydopamine-induced-neurotoxicity-in-caenorhabditis-elegans
#19
Haifeng Li, Ruona Shi, Fei Ding, Hongyu Wang, Wenjing Han, Fangli Ma, Minghua Hu, Chung Wah Ma, Zebo Huang
Astragalus membranaceus is a medicinal plant traditionally used in China for a variety of conditions, including inflammatory and neural diseases. Astragalus polysaccharides are shown to reduce the adverse effect of levodopa which is used to treat Parkinson's disease (PD). However, the neuroprotective effect of Astragalus polysaccharides per se in PD is lacking. Using Caenorhabditis elegans models, we investigated the protective effect of astragalan, an acidic polysaccharide isolated from A. membranaceus, against the neurotoxicity of 6-hydroxydopamine (6-OHDA), a neurotoxin that can induce parkinsonism...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27880915/blunted-mglur-activation-disinhibits-striatopallidal-transmission-in-parkinsonian-mice
#20
Qiaoling Cui, Jason E Pitt, Arin Pamukcu, Jean-Francois Poulin, Omar S Mabrouk, Michael P Fiske, Isabel B Fan, Elizabeth C Augustine, Katherine A Young, Robert T Kennedy, Rajeshwar Awatramani, C Savio Chan
The prevailing circuit model predicts that hyperactivity of the striatopallidal pathway and subsequently increased inhibition of external globus pallidus (GPe) neurons lead to the hypokinetic symptoms of Parkinson's disease (PD). It is believed that hyperactivity of the striatopallidal pathway is due to inactivity of dopamine receptors on the somatodendritic membrane of striatopallidal neurons, but the exact cellular underpinnings remain unclear. In this study, we show that mouse GPe astrocytes critically control ambient glutamate level, which in turn gates striatopallidal transmission via the activation of presynaptic metabotropic glutamate receptors...
November 22, 2016: Cell Reports
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