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lewy body dementia review

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https://www.readbyqxmd.com/read/27899296/targeting-the-norepinephrinergic-system-in-parkinson-s-disease-and-related-disorders-the-locus-coeruleus-story
#1
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/27891726/everyday-conversation-in-dementia-a-review-of-the-literature-to-inform-research-and-practice
#2
REVIEW
Jacqueline Kindell, John Keady, Karen Sage, Ray Wilkinson
BACKGROUND: There has been increasing interest in dementia care in recent years, including how practitioners, service providers and society in general can help individuals to live well with the condition. An important aspect to this is provision of advice to ensure conversation partners effectively support the person with dementia in conversation. AIMS: To provide a descriptive review of the literature examining everyday conversation in dementia in order to inform practice and research...
November 27, 2016: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/27878426/the-differential-effects-of-alzheimer-s-disease-and-lewy-body-pathology-on-cognitive-performance-a-meta-analysis
#3
REVIEW
Ashita S Gurnani, Brandon E Gavett
Differential diagnosis of Alzheimer's disease (AD) from normal aging and other dementia etiologies is imperative for disease specific treatment options and long-term care planning. Neuropathological confirmation is the gold standard for neurodegenerative disease diagnosis, yet most published studies examining the use of neuropsychological tests in the differential diagnosis of dementia rely upon clinical diagnostic outcomes. The present study undertook a meta-analytic review of the literature to identify cognitive tests and domains that allow for the differentiation of individuals with AD pathology from individuals with dementia with Lewy Bodies (DLB) pathology and pathology-free individuals...
November 22, 2016: Neuropsychology Review
https://www.readbyqxmd.com/read/27848117/capgras-syndrome-in-parkinson-s-disease-two-new-cases-and-literature-review
#4
REVIEW
Antonino Cannas, Mario Meloni, Marcello Mario Mascia, Paolo Solla, Luigi Cocco, Antonella Muroni, Gianluca Floris, Francesca Di Stefano, Francesco Marrosu
The Capgras syndrome (CS) is a rare psychiatric disorder. CS is classified as a delusional misidentification syndrome. Initially, CS was described in paranoid schizophrenia and schizoaffective disorders. CS has also been reported in neurodegenerative diseases such as Alzheimer's disease and Lewy body dementia. To date, there are very few descriptions of the occurrence of CS in idiopathic Parkinson's disease (PD), with or without dementia. Considering the recent observation of two new cases in PD patients, a systematic overview of the literature published between 1976 and 2016 reporting CS in PD was conducted...
November 15, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/27697033/recombinant-antibody-fragments-for-neurodegenerative-diseases
#5
Karen Manoutcharian, Roxanna Perez-Garmendia, Goar Gevorkian
Recombinant antibody fragments are promising alternatives to full-length immunoglobulins and offer important advantages compared with conventional monoclonal antibodies: extreme specificity, higher affinity, superior stability and solubility, reduced immunogenicity as well as easy and inexpensive large-scale production. Different antibody formats such as single-chain fragment variable (scFv), single-domain antibody fragments (VHHs or sdAbs), bispecific antibodies (bsAbs), intrabodies and nanobodies, are currently being studied in pre-clinical models of cancer as well as infectious and autoimmune diseases and many of them are being tested as therapeutics in clinical trials...
September 30, 2016: Current Neuropharmacology
https://www.readbyqxmd.com/read/27650668/the-diagnosis-of-delirium-superimposed-on-dementia-an-emerging-challenge
#6
Alessandro Morandi, Daniel Davis, Giuseppe Bellelli, Rakesh C Arora, Gideon A Caplan, Barbara Kamholz, Ann Kolanowski, Donna Marie Fick, Stefan Kreisel, Alasdair MacLullich, David Meagher, Karen Neufeld, Pratik P Pandharipande, Sarah Richardson, Arjen J C Slooter, John P Taylor, Christine Thomas, Zoë Tieges, Andrew Teodorczuk, Philippe Voyer, James L Rudolph
Delirium occurring in patients with dementia is referred to as delirium superimposed on dementia (DSD). People who are older with dementia and who are institutionalized are at increased risk of developing delirium when hospitalized. In addition, their prior cognitive impairment makes detecting their delirium a challenge. The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition and the International Statistical Classification of Diseases and Related Health Problems, 10th Revision are considered the standard reference for the diagnosis of delirium and include criteria of impairments in cognitive processes such as attention, additional cognitive disturbances, or altered level of arousal...
September 16, 2016: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/27613160/-under-pressure-is-there-a-link-between-orthostatic-hypotension-and-cognitive-impairment-in-%C3%AE-synucleinopathies
#7
Sean J Udow, Andrew D Robertson, Bradley J MacIntosh, Alberto J Espay, James B Rowe, Anthony E Lang, Mario Masellis
Parkinson's disease, dementia with Lewy bodies and multiple system atrophy are characterised by abnormal neuroglial α-synuclein accumulation. These α-synucleinopathies have in common parkinsonism and non-motor features including orthostatic hypotension (OH) and cognitive impairment. However, the nature of the relationship between OH and cognitive impairment is unclear. We therefore systematically reviewed the literature for evidence of an association between OH and cognitive impairment in α-synucleinopathies and discuss possible mechanisms and implications of this relationship...
September 9, 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/27583123/antipsychotic-use-in-dementia-a-systematic-review-of-benefits-and-risks-from-meta-analyses
#8
Rajesh R Tampi, Deena J Tampi, Silpa Balachandran, Shilpa Srinivasan
BACKGROUND: The purpose of this review is to evaluate the data on the use of antipsychotics in individuals with dementia from meta-analyses. METHODS: We performed a literature search of PubMed, MEDLINE, EMBASE, PsycINFO and Cochrane collaboration databases through 30 November, 2015 using the following keywords: 'antipsychotics', 'dementia' and 'meta-analysis'. The search was not restricted by the age of the patients or the language of the study. However, in the final analysis we only included studies involving patients that were published in English language journals or had official English translations...
September 2016: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/27542516/brain-imaging-findings-in-idiopathic-rem-sleep-behavior-disorder-rbd-a-systematic-review-on-potential-biomarkers-for-neurodegeneration
#9
Julia Heller, Nikolina Brcina, Imis Dogan, Florian Holtbernd, Sandro Romanzetti, Jörg B Schulz, Johannes Schiefer, Kathrin Reetz
Idiopathic rapid eye movement (REM) sleep behavior disorder (RBD) is a parasomnia characterized by the loss of physiological atonia of skeletal muscles with abnormal behavior during dream sleep. RBD may be the initial manifestation of neurodegenerative diseases, particularly of α-synucleinopathies such as Parkinson's disease (PD), dementia with Lewy bodies (DLB), and multiple system atrophy (MSA). However, gauging the individual risk of subsequent phenoconversion and making assumptions on the type of disease that may subsequently follow RBD is challenging...
June 25, 2016: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/27502301/parkinson-disease-and-dementia
#10
Sara Garcia-Ptacek, Milica G Kramberger
Dementia is a frequent complication of Parkinson disease (PD) with a yearly incidence of around 10% of patients with PD. Lewy body pathology is the most important factor in the development of Parkinson disease dementia (PDD) and there is evidence for a synergistic effect with β-amyloid. The clinical phenotype in PDD extends beyond the dysexecutive syndrome that is often present in early PD and encompasses deficits in recognition memory, attention, and visual perception. Sleep disturbances, hallucinations, neuroleptic sensitivity, and fluctuations are often present...
September 2016: Journal of Geriatric Psychiatry and Neurology
https://www.readbyqxmd.com/read/27498879/metals-in-alzheimer-s-and-parkinson-s-disease-relevance-to-dementia-with-lewy-bodies
#11
Erin J McAllum, David I Finkelstein
Despite being a common form of dementia, dementia with Lewy bodies is relatively under-researched when compared with Parkinson's disease and Alzheimer's disease. This has arisen from the fact that dementia with Lewy bodies has been historically difficult to diagnose resulting in a lack of well-defined clinical cohorts and post-mortem tissue available for scientific research. Dementia with Lewy bodies shares clinical and pathological features with both Parkinson's disease and Alzheimer's disease so it is therefore likely that it also has similar pathogenic mechanisms leading to disease...
November 2016: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/27495201/diagnostic-approach-to-atypical-parkinsonian-syndromes
#12
Nikolaus R McFarland
PURPOSE OF REVIEW: Although increasingly recognized, atypical parkinsonian syndromes remain challenging to diagnose and are underrecognized due to overlap with other parkinsonisms. This article provides a diagnostic approach to atypical parkinsonian syndromes, including progressive supranuclear palsy (PSP), multiple system atrophy (MSA), corticobasal degeneration (CBD), and dementia with Lewy bodies. The goal of this review is to aid the clinician in recognizing key clinical and pathologic features and to raise awareness of recent advances in diagnostics and treatment...
August 2016: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/27475955/phenotypic-differences-based-on-staging-of-alzheimer-s-neuropathology-in-autopsy-confirmed-dementia-with-lewy-bodies
#13
Guerry M Peavy, Steven D Edland, Belinda M Toole, Lawrence A Hansen, Douglas R Galasko, Ann M Mayo
INTRODUCTION: The goal was to compare subgroups of dementia with Lewy Bodies (DLB) using neuropathological measures to differentiate 'pure' Lewy body (LB) dementia from 'mixed' DLB [co-occurring LB and Alzheimer's disease (AD) pathology] to facilitate diagnostic decision-making and future development of interventions based on predicted type(s) of neuropathology. Studies comparing these groups are rare relative to those differentiating 'pure' AD and all-cause DLB, and are limited by insufficient sample size, brief cognitive batteries, and/or absence of autopsy confirmation...
October 2016: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/27430453/imaging-of-neurodegenerative-cognitive-and-behavioral-disorders-practical-considerations-for-dementia-clinical-practice
#14
Alireza Atri
This chapter reviews clinical applications and imaging findings useful in medical practice relating to neurodegenerative cognitive/dementing disorders. The preponderance of evidence and consensus guidelines support an essential role of multitiered neuroimaging in the evaluation and management of neurodegenerative cognitive/dementia syndrome that range in severity from mild impairments to frank dementia. Additionally, imaging features are incorporated in updated clinical and research diagnostic criteria for most dementias, including Alzheimer's disease (AD), Dementia with Lewy bodies (DLB), Frontotemporal Lobar Degenerations/Frontotemporal Dementia (FTD), and Vascular Cognitive Impairment (VCI)...
2016: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27388259/individual-and-group-psychotherapy-with-people-diagnosed-with-dementia-a-systematic-review-of-the-literature
#15
REVIEW
Richard Cheston, Ada Ivanecka
OBJECTIVES: Psychotherapy provides a means of helping participants to resolve emotional threats and play an active role in their lives. Consequently, psychotherapy is increasingly used within dementia care. This paper reviews the existing evidence base for individual and group psychotherapy with people affected by dementia. DESIGN: The protocol was registered. We searched electronic databases, relevant websites and reference lists for records of psychotherapy with people affected by Alzheimer's Disease, Vascular dementia, Lewy-body dementia or a mixed condition between 1997 and 2015...
July 7, 2016: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/27334403/alpha-synuclein-modulates-dopamine-neurotransmission
#16
Brittany Butler, Danielle Sambo, Habibeh Khoshbouei
Alpha-synuclein is a small, highly charged protein encoded by the synuclein or SNCA gene that is predominantly expressed in central nervous system neurons. Although its physiological function remains enigmatic, alpha-synuclein is implicated in movement disorders such as Parkinson's disease, multiple system atrophy, and in neurodegenerative diseases such as Dementia with Lewy bodies. Here we have focused on reviewing the existing literature pertaining to wild-type alpha-synuclein structure, its properties, and its potential involvement in regulation of dopamine neurotransmission...
June 19, 2016: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/27313272/impact-of-18-fdg-pet-and-11-c-pib-pet-brain-imaging-on-the-diagnosis-of-alzheimer-s-disease-and-other-dementias-in-a-regional-memory-clinic-in-hong-kong
#17
Y F Shea, J Ha, S C Lee, L W Chu
OBJECTIVE: This study investigated the improvement in the accuracy of diagnosis of dementia subtypes among Chinese dementia patients who underwent [18F]-2-fluoro-2-deoxy-D-glucose positron emission tomography ((18)FDG PET) with or without carbon 11-labelled Pittsburgh compound B ((11)C-PIB). METHODS: This case series was performed in the Memory Clinic at Queen Mary Hospital, Hong Kong. We reviewed 109 subjects (56.9% were female) who received PET with or without (11)C-PIB between January 2007 and December 2014...
August 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/27307129/the-prevalence-and-incidence-of-dementia-with-lewy-bodies-a-systematic-review
#18
David B Hogan, Kirsten M Fiest, Jodie I Roberts, Colleen J Maxwell, Jonathan Dykeman, Tamara Pringsheim, Thomas Steeves, Eric E Smith, Dawn Pearson, Nathalie Jetté
BACKGROUND: Population-based prevalence and incidence studies are essential for understanding the societal burden of dementia with Lewy bodies (DLB). METHODS: The MEDLINE and EMBASE databases were searched to identify publications addressing the incidence and/or prevalence of DLB. References of included articles and prior systematic reviews were searched for additional studies. Two reviewers screened all abstracts and full-text reviews, abstracted data and performed quality assessments...
April 2016: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/27297011/diagnostic-utility-of-csf-%C3%AE-synuclein-species-in-parkinson-s-disease-protocol-for-a-systematic-review-and-meta-analysis
#19
Paolo Eusebi, David Giannandrea, Leonardo Biscetti, Iosief Abraha, Davide Chiasserini, Massimiliano Orso, Paolo Calabresi, Lucilla Parnetti
INTRODUCTION: The diagnostic criteria currently used for Parkinson's disease (PD) are mainly based on clinical motor symptoms. For these reasons many biomarkers are under investigation to support the diagnosis at the early stage. The neuropathological hallmark of PD is represented by Lewy bodies (LBs), which are intracytoplasmic inclusions in substantia nigra neurons. The major component of LBs, α-synuclein (α-syn), has been implicated in the pathogenesis of PD and in other 'synucleinopathies' such as multisystem atrophy (MSA) and dementia with LBs (DLBs)...
2016: BMJ Open
https://www.readbyqxmd.com/read/27258533/exercise-for-individuals-with-lewy-body-dementia-a-systematic-review
#20
Michael Inskip, Yorgi Mavros, Perminder S Sachdev, Maria A Fiatarone Singh
BACKGROUND: Individuals with Lewy body Dementia (LBD), which encompasses both Parkinson disease dementia (PDD) and Dementia with Lewy Bodies (DLB) experience functional decline through Parkinsonism and sedentariness exacerbated by motor, psychiatric and cognitive symptoms. Exercise may improve functional outcomes in Parkinson's disease (PD), and Alzheimer's disease (AD). However, the multi-domain nature of the LBD cluster of symptoms (physical, cognitive, psychiatric, autonomic) results in vulnerable individuals often being excluded from exercise studies evaluating physical function in PD or cognitive function in dementia to avoid confounding results...
2016: PloS One
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