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Parkinson's disease cognition

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https://www.readbyqxmd.com/read/28213762/association-between-cognitive-impairment-and-urinary-dysfunction-in-parkinson-s-disease
#1
Zuzanna Tkaczynska, Andrea Pilotto, Sara Becker, Susanne Gräber-Sultan, Daniela Berg, Inga Liepelt-Scarfone
Urinary dysfunction (UD) is a common non-motor feature of Parkinson's disease (PD), and might be secondary to neurodegeneration involving cortical and subcortical brain areas. The possible link between UD and cognitive deficits has never been examined in frontal cortex impairment, and is still not completely understood in PD. In the present study, 94 PD patients underwent a comprehensive motor, cognitive and non-motor assessment. It was shown that 55.3% of patients reported UD, of which 17% needed specific urological treatment...
February 17, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28212928/nonmotor-symptoms-in-de-novo-parkinson-disease-comparing-to-normal-aging
#2
Petra Bago Rožanković, Marjan Rožanković, Lovorka Vučak Novosel, Maristela Stojić
OBJECTIVE: Nonmotor symptoms (NMSs) are common in Parkinson disease (PD), affecting patient's quality of life. The prevalence and domains of NMSs in untreated de novo PD remains unclear, especially comparing to normal aging. The objective was to determine NMSs in untreated de novo PD patients. PATIENTS AND METHODS: We performed a cross-sectional study to evaluate the frequency and severity of NMSs in untreated de novo PD patients (n=71) and age-matched normal controls (n=60) using the Non-Motor Symptoms Scale (NMSS)...
February 11, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28212408/prevalence-and-associated-comorbidities-of-restless-legs-syndrome-rls-data-from-a-large-population-based-door-to-door-survey-on-19176-adults-in-tehran-iran
#3
Seyed-Mohammad Fereshtehnejad, Arash Rahmani, Mahdiyeh Shafieesabet, Mahshid Soori, Ahmad Delbari, Mohammad Reza Motamed, Johan Lökk
BACKGROUND: Discrepancies have been reported in the prevalence rate of restless legs syndrome (RLS) among different ethnic groups and geographic populations. Furthermore, there are disagreements on determinant factors and associated comorbidities of RLS. We aimed to estimate prevalence of RLS and investigate its associated comorbid conditions and risk factors in a large population-based door-to-door survey. METHODS: Following a multistage random sampling from the households lived in 22 urban districts of Tehran, Iran, 19176 participants with ≥30 years of age were recruited...
2017: PloS One
https://www.readbyqxmd.com/read/28210978/future-directions-in-imaging-neurodegeneration
#4
REVIEW
Joseph C Masdeu
Neuroimaging comprises a powerful set of instruments to diagnose various neurodegenerative disorders, clarifies their neurobiology, and monitors their treatment. Magnetic resonance imaging depicts volume changes, as well as abnormalities in functional and structural connectivity. Positron emission tomography (PET) allows for the quantification of regional cerebral metabolism, characteristically altered in Alzheimer's disease, amyotrophic lateral sclerosis, diffuse Lewy-body disease, and the frontotemporal dementias...
January 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28210020/p300-wave-changes-in-patients-with-parkinson-s-disease
#5
Kristina Tokic, Marina Titlic, Amira Beganovic-Petrovic, Enra Suljic, Rinaldo Romac, Slobodan Silic
INTRODUCTION: Parkinson's disease (PD) is chronic progressive neurodegenerative disease. In patients with Parkinson's disease among other symptoms occur cognitive dysfunctions, which can be shown by P300 wave changes. AIM: The aim of this study was to demonstrate that patients with Parkinson's disease have reduced amplitude and prolonged latency, longer than 300 ± 10 ms. MATERIAL AND METHODS: The study included 21 patient suffering from Parkinson's disease...
December 2016: Medical Archives
https://www.readbyqxmd.com/read/28203475/benefit-from-the-chin-down-maneuver-in-the-swallowing-performance-and-self-perception-of-parkinson-s-disease-patients
#6
Annelise Ayres, Geraldo Pereira Jotz, Carlos R M Rieder, Maira Rozenfeld Olchik
Aims. To verify the effectiveness of the maneuver application in swallowing therapy with PD. Materials and Method. We performed an open-label trial, with three groups compounds by PD individuals: the experimental group, control group, and orientation group. The study included PD patients with dysphagia. A cognitive screening, through a questionnaire about depression and quality of life, was conducted. Swallowing assessment was performed through (1) fiberoptic endoscopic evaluation of swallowing (FEES); (2) clinical evaluation and Functional Oral Intake Scale (FOIS); and (3) assessment of the quality life related to swallowing (SWALQOL)...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28202615/il-13-mediated-regulation-of-learning-and-memory
#7
Tiroyaone M Brombacher, Justin K Nono, Keisha S De Gouveia, Nokuthula Makena, Matthew Darby, Jacqueline Womersley, Ousman Tamgue, Frank Brombacher
The role of proinflammatory cytokines in cognitive function has been investigated with both beneficial and possible detrimental effects, depending on the cytokine. More recently, the type 2 IL-4 has been demonstrated to play a role in cognition. In this study, using the Morris water maze task, we demonstrate that IL-13-deficient mice are significantly impaired in working memory as well as attenuated reference memory, both functions essential for effective complex learning. During the learning process, wild-type mice increased the number of CD4(+) T cells in the meninges and production of IL-13, whereas neither Morris water maze-trained IL-4 nor trained IL-13-deficient mice were able to increase CD4(+) T cells in the meninges...
February 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28202373/is-fatigue-associated-with-cognitive-dysfunction-in-early-parkinson-s-disease
#8
Benzi M Kluger, Kenn Freddy Pedersen, Ole-Bjorn Tysnes, Solgunn O Ongre, Bjørg Øygarden, Karen Herlofson
INTRODUCTION: Fatigue is a common and disabling symptom which may be seen in early Parkinson's disease (PD). Our understanding of the phenomenology and etiology of fatigue in PD is limited. The objective of this study was to determine whether fatigue was related to cognition in early PD patients. METHODS: The study is part of the Norwegian ParkWest project, a population-based cohort study, comprising 184 de novo, drug-naïve patients with PD. PD was diagnosed according to the Gelb criteria...
February 7, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28202372/gut-microbiota-implications-in-parkinson-s-disease
#9
REVIEW
Arun Parashar, Malairaman Udayabanu
Gut microbiota (GM) can influence various neurological outcomes, like cognition, learning, and memory. Commensal GM modulates brain development and behavior and has been implicated in several neurological disorders like Alzheimer's disease, multiple sclerosis, amyotrophic lateral sclerosis, anxiety, stress and much more. A recent study has shown that Parkinson's disease patients suffer from GM dysbiosis, but whether it is a cause or an effect is yet to be understood. In this review, we try to connect the dots between GM and PD pathology using direct and indirect evidence...
February 7, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28199883/acetyl-l-carnitine-protects-dopaminergic-nigrostriatal-pathway-in-6-hydroxydopamine-induced-model-of-parkinson-s-disease-in-the-rat
#10
Siamak Afshin-Majd, Keyhan Bashiri, Zahra Kiasalari, Tourandokht Baluchnejadmojarad, Reza Sedaghat, Mehrdad Roghani
Parkinson's disease (PD) is a movement disorder and the second most common neurodegenerative disease worldwide in which nigrostriatal dopaminergic neurons within substantia nigra pars compacta (SNC) are lost, with clinical motor and non-motor symptoms including bradykinesia, resting tremor, rigidity, stooping posture and cognitive deficits. This study was undertaken to evaluate the neuroprotective potential of acetyl-l-carnitine (ALC) against unilateral striatal 6-hydroxydopamine (6-OHDA)-induced model of PD and to explore some involved mechanisms...
February 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28197328/family-functioning-and-communication-in-spouses-of-patients-with-parkinsonism
#11
Seo Young Kang, Myung Hwa Yang, Jung Ah Lee, Wooyoung Jang, Chong Sik Lee, Young Sik Kim
BACKGROUND: Patients with parkinsonism exhibit motor symptoms, cognitive impairment, and neuropsychiatric changes, and these symptoms increase caregiver burden. Family dynamics can be influenced by the presence of comorbidities, which is especially important in diseases causing caregiver burden. We investigated the effects of spousal parkinsonism on family functioning and communication. METHODS: Couples without parkinsonism, who visited hospital-based family practices, were recruited by 28 family physicians from 22 hospitals between April 2009 and June 2011; patients with parkinsonism and their spouses were recruited from a single institution...
January 2017: Korean Journal of Family Medicine
https://www.readbyqxmd.com/read/28195385/practical-approaches-to-commencing-device-assisted-therapies-for-parkinson-s-disease-in-australia
#12
REVIEW
D R Williams, A H Evans, V S C Fung, M Hayes, R Iansek, T Kimber, J D O'Sullivan, C M Sue
BACKGROUND: In Australia 1% of individuals aged over 50 years have Parkinson's disease (PD). AIMS: Guidance for commencing device-assisted therapies (DATs) for PD in Australia was developed based on a review of European recommendations and their relevance to the local clinical setting. METHODS: An online survey and teleconference discussions were held by a group of eight local movement disorder experts to develop consensus. RESULTS: Referral to a movement disorder specialist and consideration of DAT is appropriate when motor fluctuations cause disability or reduced quality of life, response to treatment is inconsistent or motor fluctuations and dyskinesias require frequent treatment adjustment without apparent benefit and levodopa is required four or more times daily...
February 14, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28193763/neurologic-involvement-in-patients-with-atypical-chediak-higashi-disease
#13
Wendy J Introne, Wendy Westbroek, Catherine A Groden, Vikas Bhambhani, Gretchen A Golas, Eva H Baker, Tanya J Lehky, Joseph Snow, Shira G Ziegler, May Christine V Malicdan, David R Adams, Heidi M Dorward, Richard A Hess, Marjan Huizing, William A Gahl, Camilo Toro
OBJECTIVE: To delineate the developmental and progressive neurodegenerative features in 9 young adults with the atypical form of Chediak-Higashi disease (CHD) enrolled in a natural history study. METHODS: Patients with atypical clinical features, but diagnostically confirmed CHD by standard evaluation of blood smears and molecular genotyping, underwent complete neurologic evaluation, MRI of the brain, electrophysiologic examination, and neuropsychological testing...
14, 2017: Neurology
https://www.readbyqxmd.com/read/28193696/astrocytic-orosomucoid-2-modulates-microglial-activation-and-neuroinflammation
#14
Myungjin Jo, Jong-Heon Kim, Gyunjee Song, Minchul Seo, Eun Mi Hwang, Kyoungho Suk
Orosomucoid (ORM) is an acute-phase protein that belongs to the immunocalin subfamily, a group of small-molecule binding proteins with immunomodulatory functions. Little is known about the role of ORM proteins in the central nervous system. The aim of the present study was to investigate the brain expression of ORM and its role in neuroinflammation. Expression of Orm2, but not Orm1 or Orm3, was highly induced in the mouse brain after systemic injection of lipopolysaccharide (LPS). Plasma levels of ORM2 were also significantly higher in patients with cognitive impairment than in normal subjects...
February 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28193533/effect-of-dual-mode-and-dual-site-non-invasive-brain-stimulation-on-freezing-of-gait-in-patients-with-parkinson-s-disease
#15
Won Hyuk Chang, Min Soo Kim, Eunhee Park, Jin Whan Cho, Jinyoung Youn, Yun Kwan Kim, Yun-Hee Kim
OBJECTIVE: To investigate the effect of dual-mode non-invasive brain stimulation (NIBS) with high-frequency repetitive transcranial magnetic stimulation (rTMS) over the primary motor cortex of the lower leg and anodal transcranial direct current stimulation (tDCS) over the left dorsolateral prefrontal cortex compared with rTMS alone in patients with Parkinson's disease (PD) with freezing of gait (FOG). DESIGN: Randomized, double-blind, controlled study. SETTING: Outpatient rehabilitation clinics...
February 10, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28186662/blepharospasm-40-years-later
#16
REVIEW
Giovanni Defazio, Mark Hallett, Hyder A Jinnah, Antonella Conte, Alfredo Berardelli
Forty years ago, C.D. Marsden proposed that blepharospasm should be considered a form of adult-onset focal dystonia. In the present paper, we provide a comprehensive overview of the findings regarding blepharospasm reported in the past 40 years. Although prolonged spasms of the orbicularis oculi muscles remain the clinical hallmark of blepharospasm, patients with blepharospasm may be characterized by various types of involuntary activation of periocular muscles. In addition to motor features, blepharospasm patients may also have nonmotor manifestations, including psychiatric, mild cognitive, and sensory disturbances...
February 10, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28176268/no-genetic-association-between-attention-deficit-hyperactivity-disorder-adhd-and-parkinson-s-disease-in-nine-adhd-candidate-snps
#17
Julia M Geissler, Marcel Romanos, Manfred Gerlach, Daniela Berg, Claudia Schulte
Attention-deficit/hyperactivity disorder (ADHD) and Parkinson's disease (PD) involve pathological changes in brain structures such as the basal ganglia, which are essential for the control of motor and cognitive behavior and impulsivity. The cause of ADHD and PD remains unknown, but there is increasing evidence that both seem to result from a complicated interplay of genetic and environmental factors affecting numerous cellular processes and brain regions. To explore the possibility of common genetic pathways within the respective pathophysiologies, nine ADHD candidate single nucleotide polymorphisms (SNPs) in seven genes were tested for association with PD in 5333 cases and 12,019 healthy controls: one variant, respectively, in the genes coding for synaptosomal-associated protein 25 k (SNAP25), the dopamine (DA) transporter (SLC6A3; DAT1), DA receptor D4 (DRD4), serotonin receptor 1B (HTR1B), tryptophan hydroxylase 2 (TPH2), the norepinephrine transporter SLC6A2 and three SNPs in cadherin 13 (CDH13)...
February 7, 2017: Attention Deficit and Hyperactivity Disorders
https://www.readbyqxmd.com/read/28176003/assessment-of-individual-cognitive-changes-after-deep-brain-stimulation-surgery-in-parkinson-s-disease-using-the-neuropsychological-test-battery-vienna-short-version
#18
Thomas Foki, Daniela Hitzl, Walter Pirker, Klaus Novak, Gisela Pusswald, Eduard Auff, Johann Lehrner
Long-term therapy of Parkinson's disease with L‑DOPA is associated with a high risk of developing motor fluctuations and dyskinesia. Deep brain stimulation (DBS) of the subthalamic nucleus (STN) 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 DBS on cognition, 18 DBS patients were compared to 25 best medically treated Parkinson's patients, 24 patients with mild cognitive impairment (MCI) and 12 healthy controls using the Neuropsychological Test Battery Vienna short version (NTBV-short) for cognitive outcome 12 months after the first examination...
February 7, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28174514/associations-among-cognitive-functions-plasma-dna-and-white-matter-integrity-in-patients-with-early-onset-parkinson-s-disease
#19
Yueh-Sheng Chen, Meng-Hsiang Chen, Cheng-Hsien Lu, Pei-Chin Chen, Hsiu-Ling Chen, I-Hsiao Yang, Nai-Wen Tsai, Wei-Che Lin
Early-onset Parkinson's disease (EOPD) patients are symptomatic at a relatively young age, and the impacts of the disease on both the patients and their caregivers are dramatic. Few studies have reported on the cognitive impairments seen in EOPD, and the results of these studies have been diverse. Furthermore, it is still unclear what microstructural white matter (WM) changes are present in EOPD patients. As such, we conducted this study to investigate the microstructural WM changes experienced by EOPD patients and their association with cognitive function and plasma DNA levels...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28170111/the-effects-of-lifelong-cognitive-lifestyle-on-executive-function-in-older-people-with-parkinson-s-disease
#20
John V Hindle, Pamela A Martin-Forbes, Anthony Martyr, Alexandra J M Bastable, Kirstie L Pye, Virginia C Mueller Gathercole, Enlli M Thomas, Linda Clare
OBJECTIVE: Active lifelong cognitive lifestyles increase cognitive reserve and have beneficial effects on global cognition, cognitive decline and dementia risk in Parkinson's disease (PD). Executive function is particularly impaired even in early PD, and this impacts on quality of life. The effects of lifelong cognitive lifestyle on executive function in PD have not been studied previously. This study examined the association between lifelong cognitive lifestyle, as a proxy measure of cognitive reserve, and executive function in people with PD...
February 7, 2017: International Journal of Geriatric Psychiatry
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