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Parkinson disease cognition

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https://www.readbyqxmd.com/read/29332080/radiosurgical-pallidotomy-for-parkinson-s-disease
#1
Leslie D Cahan, Ronald F Young, Francisco Li
Deep brain stimulation (DBS) has been widely accepted as a tool for treating many symptoms of Parkinson's disease (PD); pallidotomy has been nearly abandoned. Concerns about both the safety and efficacy of pallidotomy are based on small series, isolated case reports, and techniques that would now be considered obsolete. The senior author recently reviewed long-term follow-up of a series of patients who had gamma knife pallidotomy (GKP) for advanced PD. GKP leads to durable, clinically significant benefit. Bilateral GKP adds incremental improvement...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29331916/aerobic-exercise-is-more-effective-than-goal-based-exercise-for-the-treatment-of-cognition-in-parkinson-s-disease
#2
Carolina R A Silveira, Eric A Roy, Brittany N Intzandt, Quincy J Almeida
BACKGROUND: Little is known about how different exercise modalities influence cognition in Parkinson's disease (PD). Moreover, the focus of previous investigations on examining the effects of exercise mainly on executive functions and the exclusion of individuals with cognitive impairment may limit the potential to define exercise as a treatment for cognitive decline in PD. OBJECTIVE: The aim of this study was to compare the effects of aerobic and goal-based exercise on five cognitive domains in cognitively normal and impaired individuals with PD...
January 10, 2018: Brain and Cognition
https://www.readbyqxmd.com/read/29331872/effect-of-physical-activity-on-cognitive-flexibility-depression-and-rbd-in-healthy-elderly
#3
Stefanie Lerche, Alexandra Gutfreund, Kathrin Brockmann, Markus A Hobert, Isabel Wurster, Ulrike Sünkel, Gerhard W Eschweiler, Florian G Metzger, Walter Maetzler, Daniela Berg
OBJECTIVE: The prevalence of Alzheimer's disease and Parkinson's disease increases with the raising number of elderly, which will be a challenging situation for the healthcare systems and society in the future. There is evidence that there are modifiable risk-factors e.g. physical activity for these diseases. Here, we study the interaction between sports inactivity with prodromal markers for neurodegeneration. PATIENTS AND METHODS: We investigated 667 neurologically healthy individuals cross-sectional and a subgroup longitudinal over six years...
January 9, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29331287/characterizing-the-effects-of-deep-brain-stimulation-with-magnetoencephalography-a-review
#4
REVIEW
Irene E Harmsen, Nathan C Rowland, Richard A Wennberg, Andres M Lozano
BACKGROUND: Deep brain stimulation (DBS) is an important form of neuromodulation that is being applied to patients with motor, mood, or cognitive circuit disorders. Despite the efficacy and widespread use of DBS, the precise mechanisms by which it works remain unknown. Over the last decade, magnetoencephalography (MEG) has become an important functional neuroimaging technique used to study DBS. OBJECTIVE: This review summarizes the literature related to the use of MEG to characterize the effects of DBS...
January 4, 2018: Brain Stimulation
https://www.readbyqxmd.com/read/29330419/parkinson-disease-with-constipation-clinical-features-and-relevant-factors
#5
Qiu-Jin Yu, Shu-Yang Yu, Li-Jun Zuo, Teng-Hong Lian, Yang Hu, Rui-Dan Wang, Ying-Shan Piao, Peng Guo, Li Liu, Zhao Jin, Li-Xia Li, Piu Chan, Sheng-Di Chen, Xiao-Min Wang, Wei Zhang
Constipation is one of the most frequent non-motor symptoms of Parkinson disease (PD) and it may be ignored by PD patients, leading to this problem not to be reported in time. The relationships between constipation and demographic variables, motor symptoms and other non-motor symptoms of PD are still unknown. PD patients were evaluated by diagnostic criteria of functional constipation in Rome III and divided into PD with constipation (PD-C) and PD with no constipation (PD-NC) groups. PD patients were assessed by rating scales of motor symptoms and other non-motor symptoms, activity of daily living and quality of life...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329678/apelin-13-ameliorates-cognitive-impairments-in-6-hydroxydopamine-induced-substantia-nigra-lesion-in-rats
#6
Elham Haghparast, Saeed Esmaeili-Mahani, Mehdi Abbasnejad, Vahid Sheibani
Although Parkinson's disease (PD) is well known with its motor deficits, the patients often suffer from cognitive dysfunction. Apelin, as the endogenous ligand of the APJ receptor, is found in several brain regions such as substantia nigra and mesolimbic pathway. However, the role of apelin in cognition and cognitive disorders has not been fully clarified. In this study the effects of apelin-13 were investigated on cognitive disorders in rat Parkinsonism experimental model. 6-hydroxydopamine (6-OHDA) was administrated into the substantia nigra...
January 5, 2018: Neuropeptides
https://www.readbyqxmd.com/read/29325047/early-nucleus-basalis-of-meynert-degeneration-predicts-cognitive-decline-in-parkinson-s-disease
#7
James P Gratwicke, Thomas Foltynie
No abstract text is available yet for this article.
January 1, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29324989/synaptic-markers-of-cognitive-decline-in-neurodegenerative-diseases-a-proteomic-approach
#8
Erika Bereczki, Rui M Branca, Paul T Francis, Joana B Pereira, Jean-Ha Baek, Tibor Hortobágyi, Bengt Winblad, Clive Ballard, Janne Lehtiö, Dag Aarsland
Cognitive changes occurring throughout the pathogenesis of neurodegenerative diseases are directly linked to synaptic loss. We used in-depth proteomics to compare 32 post-mortem human brains in the prefrontal cortex of prospectively followed patients with Alzheimer's disease, Parkinson's disease with dementia, dementia with Lewy bodies and older adults without dementia. In total, we identified 10 325 proteins, 851 of which were synaptic proteins. Levels of 25 synaptic proteins were significantly altered in the various dementia groups...
January 9, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29324447/characteristic-motor-and-nonmotor-symptoms-related-to-quality-of-life-in-drug-na%C3%A3-ve-patients-with-late-onset-parkinson-disease
#9
Hea Ree Park, Jinyoung Youn, Jin Whan Cho, Eung-Seok Oh, Ji Sun Kim, Suyeon Park, Wooyoung Jang, Jin Se Park
BACKGROUND/AIMS: Unlike young-onset Parkinson disease (YOPD), characteristics of late-onset PD (LOPD) have not yet been clearly elucidated. We investigated characteristic features and symptoms related to quality of life (QoL) in LOPD patients. METHODS: We recruited drug-naïve, early PD patients. The patient cohort was divided into 3 subgroups based on patient age at onset (AAO): the YOPD group (AAO <50 years), the middle-onset PD (MOPD) group, and the LOPD group (AAO ≥70 years)...
January 12, 2018: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/29321141/efficacy-of-intensive-multidisciplinary-rehabilitation-in-parkinson-s-disease-a-randomised-controlled-study
#10
Davide Ferrazzoli, Paola Ortelli, Ilaria Zivi, Veronica Cian, Elisa Urso, Maria Felice Ghilardi, Roberto Maestri, Giuseppe Frazzitta
OBJECTIVE: To evaluate whether a 4-week multidisciplinary, aerobic, motor-cognitive and intensive rehabilitation treatment (MIRT) improves the quality of life (QoL) of patients with Parkinson's disease (PD), in the short-term and long-term period. METHODS: This is a prospective, parallel-group, single-centre, single-blind, randomised clinical trial (ClinicalTrials.gov NCT02756676). 186 patients with PD, assigned to experimental group, underwent MIRT; conversely, 48 patients, assigned to control group, did not receive rehabilitation...
January 10, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29318592/falls-in-cognitively-impaired-older-adults-implications-for-risk-assessment-and-prevention
#11
Manuel Montero-Odasso, Mark Speechley
OBJECTIVES: To provide an overview of the role of cognition in falls, with potential implications for managing and preventing falls in older adults. DESIGN: Review. SETTING: Observational and interventional studies addressing the role of cognition on falls. PARTICIPANTS: Community-dwelling older adults (65 years and older). MEASUREMENTS: The relationship between gait and cognition in aging and neurodegeneration was reviewed in the medical literature to highlight the role of brain motor control deficits in fall risk...
January 10, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29316782/validation-of-the-conversion-between-the-mini-mental-state-examination-and-montreal-cognitive-assessment-in-korean-patients-with-parkinson-s-disease
#12
Ryul Kim, Han-Joon Kim, Aryun Kim, Mi-Hee Jang, Hyun Jeong Kim, Beomseok Jeon
Objective: Two conversion tables between the Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) have recently been established for Parkinson's disease (PD). This study aimed to validate them in Korean patients with PD and to evaluate whether they could be influenced by educational level. Methods: A total of 391 patients with PD who undertook both the Korean MMSE and the Korean MoCA during the same session were retrospectively assessed...
January 11, 2018: Journal of Movement Disorders
https://www.readbyqxmd.com/read/29314218/goal-orientated-cognitive-rehabilitation-for-dementias-associated-with-parkinson-s-disease-a-pilot-randomised-controlled-trial
#13
John V Hindle, Tamlyn J Watermeyer, Julie Roberts, Andrew Brand, Zoe Hoare, Anthony Martyr, Linda Clare
OBJECTIVE: To examine the appropriateness and feasibility of cognitive rehabilitation for people with dementias associated with Parkinson's in a pilot randomised controlled study. METHODS: This was a single-blind pilot randomised controlled trial of goal-oriented cognitive rehabilitation for dementias associated with Parkinson's. After goal setting, participants were randomised to cognitive rehabilitation (n = 10), relaxation therapy (n = 10), or treatment-as-usual (n = 9)...
January 4, 2018: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29310988/an-updated-diagnostic-approach-to-subtype-definition-of-vascular-parkinsonism-recommendations-from-an-expert-working-group
#14
REVIEW
Ivan Rektor, Nicolaas I Bohnen, Amos D Korczyn, Viktoria Gryb, Hrishikesh Kumar, Milica G Kramberger, Frank-Erik de Leeuw, Zvezdan Pirtošek, Irena Rektorová, Ilana Schlesinger, Jaroslaw Slawek, Peter Valkovič, Branislav Veselý
This expert working group report proposes an updated approach to subtype definition of vascular parkinsonism (VaP) based on a review of the existing literature. The persistent lack of consensus on clear terminology and inconsistent conceptual definition of VaP formed the impetus for the current expert recommendation report. The updated diagnostic approach intends to provide a comprehensive tool for clinical practice. The preamble for this initiative is that VaP can be diagnosed in individual patients with possible prognostic and therapeutic consequences and therefore should be recognized as a clinical entity...
December 29, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29306636/clinical-correlates-of-cerebral-white-matter-abnormalities-in-patients-with-parkinson-s-disease
#15
Bibet L Ten Harmsen, Anouke van Rumund, Marjolein B Aerts, Mayra I Bergkamp, Rianne A J Esselink, Edo Richard, Frederick J A Meijer, Bastiaan R Bloem, Daniel J van Wamelen
OBJECTIVE: To determine if autonomic dysfunction, cognitive disorders or axial disability are associated with white matter lesions (WML) in Parkinson disease (PD). METHODS: We performed a retrospective cross-sectional review study on 204 consecutive PD patients who underwent cerebral MRI in our center between January 2012 and July 2016. For each patient, we scored the severity of WML and PV (periventricular) WML using the Fazekas score and using the ARWMC scale for WML and BG (basal ganglia) and clinical characteristics such as neurogenic orthostatic hypotension and cognitive function...
December 27, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29305855/microglia-derived-extracellular-vesicles-in-alzheimer-s-disease-a-double-edged-sword
#16
REVIEW
Teresa Trotta, Maria Antonietta Panaro, Antonia Cianciulli, Giorgio Mori, Adriana Di Benedetto, Chiara Porro
Extracellular vesicles (EVs), based on their origin or size, can be classified as apoptotic bodies, microvesicles (MVs)/microparticles (MPs), and exosomes. EVs are one of the new emerging modes of communication between cells that are providing new insights into the pathophysiology of several diseases. EVs released from activated or apoptotic cells contain specific proteins (signaling molecules, receptors, integrins, cytokines), bioactive lipids, nucleic acids (mRNA, miRNA, small non coding RNAs, DNA) from their progenitor cells...
January 3, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29304183/white-matter-alterations-in-parkinson-s-disease-with-normal-cognition-precede-grey-matter-atrophy
#17
Ivan Rektor, Alena Svátková, Lubomir Vojtíšek, Iva Zikmundová, Jirí Vaníček, András Király, Nikoletta Szabó
INTRODUCTION: While progressive MRI brain changes characterize advanced Parkinson's disease (PD), little has been discovered about structural alterations in the earliest phase of the disease, i.e. in patients with motor symptoms and with normal cognition. Our study aimed to detect grey matter (GM) and white matter (WM) changes in PD patients without cognitive impairment. METHODS: Twenty PD patients and twenty-one healthy controls (HC) were tested for attention, executive function, working memory, and visuospatial and language domains...
2018: PloS One
https://www.readbyqxmd.com/read/29304050/severe-hyposmia-and-aberrant-functional-connectivity-in-cognitively-normal-parkinson-s-disease
#18
Noritaka Yoneyama, Hirohisa Watanabe, Kazuya Kawabata, Epifanio Bagarinao, Kazuhiro Hara, Takashi Tsuboi, Yasuhiro Tanaka, Reiko Ohdake, Kazunori Imai, Michihito Masuda, Tatsuya Hattori, Mizuki Ito, Naoki Atsuta, Tomohiko Nakamura, Masaaki Hirayama, Satoshi Maesawa, Masahisa Katsuno, Gen Sobue
OBJECTIVE: Severe hyposmia is a risk factor of dementia in Parkinson's disease (PD), while the underlying functional connectivity (FC) and brain volume alterations in PD patients with severe hyposmia (PD-SH) are unclear. METHODS: We examined voxel-based morphometric and resting state functional magnetic resonance imaging findings in 15 cognitively normal PD-SH, 15 cognitively normal patients with PD with no/mild hyposmia (PD-N/MH), and 15 healthy controls (HCs)...
2018: PloS One
https://www.readbyqxmd.com/read/29300426/physical-frailty-is-associated-with-longitudinal-decline-in-global-cognitive-function-in-non-demented-older-adults-a-prospective-study
#19
S Chen, T Honda, K Narazaki, T Chen, H Kishimoto, Y Haeuchi, S Kumagai
OBJECTIVES: To assess the relationship between physical frailty and subsequent decline in global cognitive function in the non-demented elderly. DESIGN AND SETTING: A prospective population-based study in a west Japanese suburban town, with two-year follow-up. PARTICIPANTS: Community-dwellers aged 65 and older without placement in long-term care, and not having a history of dementia, Parkinson's disease and depression at baseline, who participated in the cohort of the Sasaguri Genkimon Study and underwent follow-up assessments two years later (N = 1,045)...
2018: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29298278/the-impact-of-air-pollution-to-central-nervous-system-in-children-and-adults
#20
Radim J Sram, Milos Veleminsky, Milos Veleminsky, Jana Stejskalová
The aim of this paper was to review studies analyzing the associations between air pollution and neurodevelopment in children as well as the effect on adult population. Effect of prenatal exposure to polycyclic aromatic hydrocarbons (PAHs, benzo[a]pyrene, B[a]P) were already studied on cohorts from New York, Poland, China, and Spain. All results indicate changes of child behavior and neurodevelopment at the age of 3-9 years, decrease of IQ, increase of Attention Deficit Hyperactivity Disorder (ADHD), decrease of brain-derived neurotrophic factor (BDNF), reduction of left hemisphere white matter...
December 4, 2017: Neuro Endocrinology Letters
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