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https://www.readbyqxmd.com/read/29306636/clinical-correlates-of-cerebral-white-matter-abnormalities-in-patients-with-parkinson-s-disease
#1
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/29280981/%C3%AE-n-methylamino-l-alanine-bmaa-toxicity-is-gender-and-exposure-age-dependent-in-rats
#2
Laura Louise Scott, Timothy Grant Downing
Cyanobacterial β-N-methylamino-L-alanine (BMAA) has been suggested as a causative or contributory factor in the development of several neurodegenerative diseases. However, no BMAA animal model has adequately shown clinical or behavioral symptoms that correspond to those seen in either Alzheimer's Disease (AD), Amyotrophic Lateral Sclerosis (ALS) or Parkinson's Disease (PD). We present here the first data that show that when neonatal rats were exposed to BMAA on postnatal days 3, 4 and 5, but not on gestational day 14 or postnatally on days 7 or 10, several AD and/or PD-related behavioral, locomotor and cognitive deficits developed...
December 27, 2017: Toxins
https://www.readbyqxmd.com/read/29238390/modulatory-effect-of-association-of-brain-stimulation-by-light-and-binaural-beats-in-specific-brain-waves
#3
Mauricio Rocha Calomeni, Vernon Furtado da Silva, Bruna Brandão Velasques, Olavo Guimarães Feijó, Juliana Marques Bittencourt, Alair Pedro Ribeiro de Souza E Silva
Introduction: One of the positive effects of brain stimulation is interhemispheric modulation as shown in some scientific studies. This study examined if a type of noninvasive stimulation using binaural beats with led-lights and sound would show different modulatory effects upon Alfa and SMR brain waves of elderlies and children with some disease types. Subjects: The sample included 75 individuals of both genders, being, randomly, divided in 6 groups. Groups were named elderly without dementia diagnosis (EWD), n=15, 76±8 years, elderly diagnosed with Parkinson's disease (EDP), n=15, 72±7 years, elderly diagnosed with Alzheimer's disease (EDA), n=15, 81±6 years...
2017: Clinical Practice and Epidemiology in Mental Health: CP & EMH
https://www.readbyqxmd.com/read/29233608/reverters-from-pd-mci-to-cognitively-intact-are-at-risk-for-future-cognitive-impairment-analysis-of-the-ppmi-cohort
#4
Jacob D Jones, Taylor P Kuhn, Sarah M Szymkowicz
INTRODUCTION: Past studies have shown that a large portion of individuals with Parkinson's disease (PD) and mild cognitive impairment (MCI) will revert to a cognitively intact (CI) status in the future. Aging studies have shown that individuals who revert from MCI to CI are at increased risk for reconverting to MCI or dementia in the future. The current study examined if individuals who revert from PD-mild cognitive impairment (PD-MCI) to CI will be at increased risk for future PD-MCI and Parkinson's disease dementia (PDD)...
December 9, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29205509/cerebrospinal-fluid-plasma-and-saliva-in-the-biofind-study-relationships-among-biomarkers-and-parkinson-s-disease-features
#5
Jennifer G Goldman, Howard Andrews, Amy Amara, Anna Naito, Roy N Alcalay, Leslie M Shaw, Peggy Taylor, Tao Xie, Paul Tuite, Claire Henchcliffe, Penelope Hogarth, Samuel Frank, Marie-Helene Saint-Hilaire, Mark Frasier, Vanessa Arnedo, Alyssa N Reimer, Margaret Sutherland, Christine Swanson-Fischer, Katrina Gwinn, Un Jung Kang
OBJECTIVE: Examine relationships among neurodegenerative biomarkers and PD motor and nonmotor symptoms. BACKGROUND: CSF alpha-synuclein is decreased in PD versus healthy controls, but whether plasma and saliva alpha-synuclein differentiate these groups is controversial. Correlations of alpha-synuclein among biofluids (CSF, plasma, saliva) or biomarkers (eg, beta-amyloid, tau [total, phosphorylated]) are not fully understood. The relationships of these biomarkers with PD clinical features remain unclear...
December 4, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29204015/clinical-profile-of-cognitive-decline-in-patients-with-parkinson-s-disease-progressive-supranuclear-palsy-and-multiple-system-atrophy
#6
Sulena, Dipti Gupta, Anjani Kumar Sharma, Naveen Kumar
Background: There are very less data on the comparison between the cognitive profile in Parkinson's disease (PD) and Parkinson's-plus groups, especially in India. Aims: The aim of this study is to compare the cognitive profile across PD, progressive supranuclear palsy (PSP), and multiple system atrophy (MSA) groups and compare them using Mini-Mental State Examination (MMSE), frontal assessment battery (FAB), and verbal fluency tests. Settings and Design: This was a cross-sectional study...
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29165720/-relationship-strain-parkinson-s-disease-gender-specific-distress-of-partners-of-patients-with-parkinson-s-disease
#7
Christoph Braukhaus, Uwe Jahnke, Tanja Zimmermann
A Parkinson's disease is attended by high strain for the patients and an obvious loss of relationship functioning. Partners of patients (N=110) were evaluated via self-assessment in terms of own depression (PHQ-9), own fear of progression (PA-F-P-KF), relationship quality (PFB) as well as perceived deficits in everyday life and nonverbal communication. 26% of women and 11% of men showed depression scores, 51% of women and 41% of men dysfunctional fear of progression and about 60% were unsatisfied with their relationship...
November 17, 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/29159192/sex-differences-in-lrrk2-g2019s-and-idiopathic-parkinson-s-disease
#8
Marta San Luciano, Cuiling Wang, Roberto A Ortega, Nir Giladi, Karen Marder, Susan Bressman, Rachel Saunders-Pullman
Objective: To evaluate sex differences and the relative effect of G2019S LRRK2 mutations in Parkinson's disease (PD). Methods: 530 LRRK2 PD carriers and 759 noncarrier PD (idiopathic, IPD) evaluated as part of the Fox Foundation (MJFF) Consortium were included. All participants completed a study visit including information on clinical features, treatment, examination, and motor and nonmotor questionnaires. Clinical features were compared between men and women separately for IPD and LRRK2 PD; and features were compared between IPD and LRRK2 PD separately for men and women...
November 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29126762/association-between-abnormal-nocturnal-blood-pressure-profile-and-dementia-in-parkinson-s-disease
#9
Ryota Tanaka, Yasushi Shimo, Kazuo Yamashiro, Takashi Ogawa, Kenya Nishioka, Genko Oyama, Atsushi Umemura, Nobutaka Hattori
BACKGROUND: Circadian blood pressure alterations are frequently observed in Parkinson's disease, but the association between these changes and dementia in the condition remains unclear. Here, we assess the relationship between abnormal nocturnal blood pressure profiles and dementia in Parkinson's disease. METHODS: We enrolled 137 patients with Parkinson's disease, who underwent 24 h ambulatory blood pressure monitoring, following cognitive and clinical assessment...
October 20, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29123499/gait-and-cognition-in-parkinson-s-disease-cognitive-impairment-is-inadequately-reflected-by-gait-performance-during-dual-task
#10
Heiko Gaßner, Franz Marxreiter, Simon Steib, Zacharias Kohl, Johannes C M Schlachetzki, Werner Adler, Bjoern M Eskofier, Klaus Pfeifer, Jürgen Winkler, Jochen Klucken
Introduction: Cognitive and gait deficits are common symptoms in Parkinson's disease (PD). Motor-cognitive dual tasks (DTs) are used to explore the interplay between gait and cognition. However, it is unclear if DT gait performance is indicative for cognitive impairment. Therefore, the aim of this study was to investigate if cognitive deficits are reflected by DT costs of spatiotemporal gait parameters. Methods: Cognitive function, single task (ST) and DT gait performance were investigated in 67 PD patients...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29118735/divergent-thinking-in-parkinsonism-a-case-control-study
#11
Margherita Canesi, Maria Luisa Rusconi, Emanuele Cereda, Alessandra Ranghetti, Viviana Cereda, Federica Moroni, Gianni Pezzoli
Background: Creativity is a multidimensional phenomenon and an important component of human capacities. This ability is characterized by the involvement of several cognitive functions particularly linked to the prefrontal cortex. We compared divergent thinking, a measure of creativity, in patients affected by progressive supranuclear palsy (PSP), other parkinsonian syndromes, and healthy controls (HCs). Methods: Creativity features were evaluated using the Abbreviated Torrance Test for Adults (ATTA)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29101795/impaired-frontal-lobe-functions-in-patients-with-parkinson-s-disease-and-psychosis
#12
Naveen Thota, Abhishek Lenka, Lija George, Shantala Hegde, Shyam Sundar Arumugham, Shweta Prasad, Albert Stezin, Nitish Kamble, Ravi Yadav, Pramod Kumar Pal
INTRODUCTION: Patients with Parkinson's disease (PD) may develop several non-motor symptoms (NMS). Psychosis is one of the debilitating NMS of PD. The neurobiology of psychosis is not fully understood. This study aims to compare the frontal lobe functions of PD patients with and without psychosis using the Frontal Assessment Battery (FAB). METHODOLOGY: This study included 69 patients with PD; 34 with psychosis (PD-P) and 35 without psychosis (PD-NP). Mini Mental Status Examination (MMSE) was used to screen for cognitive impairment...
October 28, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29079677/can-we-predict-development-of-impulsive-compulsive-behaviours-in-parkinson-s-disease
#13
Lucia Ricciardi, Christian Lambert, Rosa De Micco, Francesca Morgante, Mark Edwards
OBJECTIVE: To determine clinical and structural imaging predictors of impulsive-compulsive behaviour (ICB) in de novo Parkinson's disease (PD). METHODS: From a cohort of 1116 subjects from the Parkinson's Progression Marker Initiative database, we created a subcohort of 42 de novo PD without ICB at baseline with available 3T MRI and who developed ICB during follow-up. PD-ICB were matched for age, gender and disease duration to 42 patients with PD without ICB over follow-up (PD-no-ICB) and 42 healthy controls (HCs)...
October 27, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28930751/dementia-predicting-cognitive-risk-score-and-its-correlation-with-cortical-thickness-in-parkinson-disease
#14
Byoung Seok Ye, Seun Jeon, Jee Hyun Ham, Jae Jung Lee, Jong Min Lee, Hye Sun Lee, Phil Hyu Lee, Young H Sohn
BACKGROUND: We developed a risk score system to predict risks of developing dementia in individual Parkinson disease (PD) patients using baseline neuropsychological tests. METHODS: A total of 216 nondemented PD patients underwent a baseline neuropsychological evaluation and were followed up for a mean of 2.7 (±1.1) years. Univariate Cox regression models controlled for age, gender, and education selected neuropsychological tests individually predicting dementia risk...
September 21, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28818561/the-rise-and-fall-of-impulse-control-behavior-disorders
#15
Giovanni Cossu, Roberta Rinaldi, Carlo Colosimo
INTRODUCTION: Impulse control disorders (ICDs) are psychiatric disorders characterized by the failure to resist an impulse or by the temptation to perform an act that is harmful to oneself or to others. METHODS: ICDs, including pathological gambling, hypersexuality, compulsive eating and shopping, can occur as a complication of Parkinson's disease (PD) together with other behavioral disorders, including dopamine dysregulation syndrome. This review is based on a literature search updated to May 2017, focusing on the epidemiology, clinical features, and therapeutic options of ICDs associated with PD...
August 1, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28807493/homocysteine-and-cognitive-function-in-parkinson-s-disease
#16
Nicole Licking, Charles Murchison, Brenna Cholerton, Cyrus P Zabetian, Shu-Ching Hu, Thomas J Montine, Amie L Peterson-Hiller, Kathryn A Chung, Karen Edwards, James B Leverenz, Joseph F Quinn
INTRODUCTION: Increased plasma homocysteine (HC) is a risk factor for dementia in the general population. Levodopa therapy causes increased plasma HC, but it remains unclear whether elevated plasma HC is associated with cognitive impairment in Parkinson's disease (PD). METHODS: The study population includes all participants in the Pacific Northwest Udall Center (PANUC) Clinical cohort at the time of the study, consisting of 294 individuals with PD who had a standardized neuropsychological assessment and plasma collection for HC measurement...
August 9, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28807457/identification-of-pseudobulbar-affect-symptoms-in-the-nursing-home-setting-development-and-assessment-of-a-screening-tool
#17
Carrie Allen, Barbara Zarowitz, Terrence O'Shea, Edward Peterson, Charles Yonan, Fanta Waterman
Pseudobulbar Affect (PBA) is a neurologic condition characterized by involuntary outbursts of crying and/or laughing disproportionate to patient mood or social context. Although an estimated 9% of nursing home residents have symptoms suggestive of PBA, they are not routinely screened. Our goal was to develop an electronic screening tool based upon characteristics common to nursing home residents with PBA identified through medical record data. Nursing home residents with PBA treated with dextromethorphan hydrobromide/quinidine sulfate (n = 140) were compared to age-, gender-, and dementia-diagnosis-matched controls without PBA or treatment (n = 140)...
August 11, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28791987/an-evaluation-of-neuropsychiatric-symptoms-in-parkinson-s-disease-patients
#18
S Oruc, G Gülseren, O Y Kusbecı, O Özbulut
OBJECTIVE: We aimed to examine neuropsychiatric symptoms of patients with early and advanced stage Parkinson's disease (PD). MATERIALS AND METHODS: The study was performed at Kocatepe University Neurology Department in Turkey, comprised 46 PD patients and 46 controls. Hoehn-Yahr (HY) scale was used to evaluate the clinical stages of PD and Unified Parkinson's Disease Rating Scale (UPDRS) was used to evaluate the severity of clinical signs. Cognitive functions were evaluated by Mini-Mental State Examination (MMSE) and neuropsychiatric findings were evaluated by Beck Depression Inventory (BDI), Scale for the Assessment of Positive Symptoms (SAPS), and Scale for the Assessment of Negative Symptoms (SANS)...
July 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28712000/predictors-of-weight-loss-in-early-treated-parkinson-s-disease-from-the-net-pd-ls-1-cohort
#19
Anne-Marie Wills, Ruosha Li, Adriana Pérez, Xuehan Ren, James Boyd
Weight loss is a common symptom of Parkinson's disease and is associated with impaired quality of life. Predictors of weight loss have not been studied in large clinical cohorts. We previously observed an association between change in body mass index and change in Unified Parkinson's Disease Rating Scale (UPDRS) motor and total scores. In this study, we performed a secondary analysis of longitudinal data (1-6 years) from 1619 participants in the NINDS Exploratory Trials in PD Long-term Study-1 (NET-PD LS1) to explore predictors of weight loss in a large prospective clinical trial cohort of early treated Parkinson's disease...
August 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28711192/predictors-of-anxiety-in-early-stage-parkinson-s-disease-results-from-the-first-two-years-of-a-prospective-cohort-study
#20
Sonja Rutten, Peter M van der Ven, Daniel Weintraub, Gregory M Pontone, Albert F G Leentjens, Henk W Berendse, Ysbrand D van der Werf, Odile A van den Heuvel
AIM: Anxiety has a negative impact on daily functioning and quality of life in patients with Parkinson's disease (PD). This study aims at assessing which sociodemographic and clinical characteristics predict the course of anxiety in early PD. METHODS: The participants of this two-year prospective cohort study were recently diagnosed PD patients not receiving psychiatric medications or dopamine replacement therapy at baseline. Assessments were performed annually after baseline...
October 2017: Parkinsonism & related Disorders
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