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https://www.readbyqxmd.com/read/27930593/usefulness-of-3-dimensional-stereotactic-surface-projection-fdg-pet-images-for-the-diagnosis-of-dementia
#1
Jahae Kim, Sang-Geon Cho, Minchul Song, Sae-Ryung Kang, Seong Young Kwon, Kang-Ho Choi, Seong-Min Choi, Byeong-Chae Kim, Ho-Chun Song
To compare diagnostic performance and confidence of a standard visual reading and combined 3-dimensional stereotactic surface projection (3D-SSP) results to discriminate between Alzheimer disease (AD)/mild cognitive impairment (MCI), dementia with Lewy bodies (DLB), and frontotemporal dementia (FTD).[F]fluorodeoxyglucose (FDG) PET brain images were obtained from 120 patients (64 AD/MCI, 38 DLB, and 18 FTD) who were clinically confirmed over 2 years follow-up. Three nuclear medicine physicians performed the diagnosis and rated diagnostic confidence twice; once by standard visual methods, and once by adding of 3D-SSP...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27929804/familial-creutzfeldt-jakob-disease-case-report-and-role-of-genetic-counseling-in-post-mortem-testing
#2
Kristin Clift, Kimberly Guthrie, Eric W Klee, Nicole Boczek, Margot Cousin, Patrick Blackburn, Paldeep Atwal
Here we present a case of an asymptomatic 53-year-old woman who sought genetic testing for Familial Creutzfeldt-Jakob Disease (fCJD) after learning that her mother had fCJD. The patient's mother had a sudden onset of memory problems and rapidly deteriorating mental faculties in her late 70s, which led to difficulties ambulating, progressive non-fluent aphasia, dysphagia and death within ∼1 y of symptom onset. The cause of death was reported as "rapid onset dementia." The patient's family, unhappy with the vague diagnosis, researched prion disorders online and aggressively pursued causation and submitted frozen brain tissue from the mother to the National Prion Disease Surveillance Center, where testing revealed a previously described 5-octapeptide repeat insertion (5-OPRI) in the prion protein gene (PRNP) that is known to cause fCJD...
November 2016: Prion
https://www.readbyqxmd.com/read/27927762/urinary-incontinence-incident-parkinsonism-and-parkinson-s-disease-pathology-in-older-adults
#3
Noa M Buchman, Sue E Leurgans, Raj J Shah, Veronique VanderHorst, Robert S Wilson, Yaacov G Bachner, David Tanne, Julie A Schneider, David A Bennett, Aron S Buchman
OBJECTIVE: To test the hypothesis that urinary incontinence (UI) is associated with incident parkinsonism in older adults. METHODS: We used data from 2,617 older persons without dementia. Assessment included baseline self-report UI and annual structured exam which assessed parkinsonian signs, motor performances, cognitive function, and self-report disabilities. We used a series of Cox proportional hazards models to examine the association of UI with parkinsonism and adverse health outcomes and a mixed-effect model to examine the association of UI with the annual rate of cognitive decline...
December 7, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/27911312/increased-transforming-growth-factor-%C3%AE-2-in-the-neocortex-of-alzheimer-s-disease-and-dementia-with-lewy-bodies-is%C3%A2-correlated-with-disease-severity-and%C3%A2-soluble-a%C3%AE-42-load
#4
Joyce R Chong, Yuek Ling Chai, Jasinda H Lee, David Howlett, Johannes Attems, Clive G Ballard, Dag Aarsland, Paul T Francis, Christopher P Chen, Mitchell K P Lai
BACKGROUND: Of the three transforming growth factor (TGF)-β isoforms known, TGFβ1 deficits have been widely reported in Alzheimer's disease (AD) and studied as a potential therapeutic target. In contrast, the status of TGFβ2, which has been shown to mediate amyloid-β (Aβ)-mediated neuronal death, are unclear both in AD and in Lewy body dementias (LBD) with differential neuritic plaque and neurofibrillary tangle burden. OBJECTIVE: To measure neocortical TGFβ2 levels and their correlations with neuropathological and clinical markers of disease severity in a well-characterized cohort of AD as well as two clinical subtypes of LBD, dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD), known to manifest relatively high and low Aβ plaque burden, respectively...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911311/risk-factors-and-pathological-substrates-associated-with-agitation-aggression-in-alzheimer-s-disease-a-preliminary-study-using-nacc-data
#5
Simrin Sennik, Tom A Schweizer, Corinne E Fischer, David G Munoz
BACKGROUND: Neuropsychiatric symptoms are common manifestations of Alzheimer's disease (AD). A number of studies have targeted psychosis, i.e., hallucinations and delusions in AD, but few have assessed agitation/aggression in AD. OBJECTIVE: To investigate the risk factors and pathological substrates associated with presence [A(+)] and absence [A(-)] of agitation/aggression (A) in autopsy-confirmed AD. METHODS: Data was collected from the UDS data as of 2015 on the NACC database...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27905355/-cerebral-microbleeds-in-cerebrovascular-and-neurodegenerative-diseases-with-cognitive-impairment
#6
T A Polyakova, O S Levin
AIM: To study a role of cerebral microbleeds (CMB) in the diagnosis of main cerebrovascular and neurodegenerative diseases with cognitive impairment. MATERIAL AND METHODS: CMB were studied in 120 patients with Alzheimer's disease (AD), dementia with Lewy bodies (DLB) and vascular dementia using 1.5T MRI in T2 * gradient echo. An impact of CMB on cognitive functions and the relationship with signs of vascular and neurodegenerative lesions of the brain were studied as well...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27900898/non-alzheimer-s-and-atypical-dementia-geschwind-michael-d-and-racine-caroline-eds-non-alzheimer-s-and-atypical-dementia-232pp-%C3%A2-94-99-wiley-blackwell-9781444336245-144433624x-formula-see-text
#7
(no author information available yet)
This comprehensive overview of atypical dementia, including Lewy body, prion diseases, and leukoencephalopathies, was written specifically for multidisciplinary teams.
November 30, 2016: Nursing Older People
https://www.readbyqxmd.com/read/27891726/everyday-conversation-in-dementia-a-review-of-the-literature-to-inform-research-and-practice
#8
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/27889911/multiregional-analysis-of-global-5-methylcytosine-and-5-hydroxymethylcytosine-throughout-the-progression-of-alzheimer-s-disease
#9
Elizabeth M Ellison, Erin L Abner, Mark A Lovell
Epigenetic modifications to cytosine are known to alter transcriptional states and deregulate gene expression in cancer, embryonic development, and most recently in neurodegeneration. To test the hypothesis that global levels of cytosine modification are altered throughout the progression of Alzheimer's disease, 5-methylcytosine (5-mC) and 5-hydroxmethylcytosine (5-hmC) were quantified using gas chromatography/mass spectrometry (GC/MS) and stable labeled internal standards of cytosine, 5-mC, and 5-hmC. Cytosine modifications were quantified in DNA extracted from tissue specimens of four brain regions (cerebellum, inferior parietal lobe, superior and middle temporal gyrus, and hippocampus/parahippocampal gyrus) of cognitively normal control (NC) subjects and subjects with mild cognitive impairment (MCI), preclinical Alzheimer's disease (PCAD), late onset Alzheimer's disease (LOAD), frontotemporal lobar degeneration (FTLD) and dementia with Lewy bodies (DLB)...
November 27, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27886007/sleep-wake-profile-in-dementia-with-lewy-bodies-alzheimer-s-disease-and-normal-aging
#10
Annachiara Cagnin, Federica Fragiacomo, Giulia Camporese, Matteo Turco, Cinzia Bussè, Mario Ermani, Sara Montagnese
BACKGROUND: Alterations of the sleep-wake cycle are common features of neurodegenerative dementia. OBJECTIVES: To study differences in sleep-wake profiles in dementia with Lewy bodies (DLB), Alzheimer's disease (AD), and healthy controls. METHODS: 30 DLB and 32 AD patients, and 33 healthy elderly participants were studied. Patients were evaluated for global cognitive impairment, extrapyramidal signs, fluctuations of attention, and behavioral disorders...
November 19, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27878426/the-differential-effects-of-alzheimer-s-disease-and-lewy-body-pathology-on-cognitive-performance-a-meta-analysis
#11
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/27870939/mixed-neuropathologies-and-estimated-rates-of-clinical-progression-in-a-large-autopsy-sample
#12
Willa D Brenowitz, Rebecca A Hubbard, C Dirk Keene, Stephen E Hawes, W T Longstreth, Randy L Woltjer, Walter A Kukull
INTRODUCTION: Whether co-occurring neuropathologies interact or independently affect clinical disease progression is uncertain. We estimated rates of clinical progression and tested whether associations between clinical progression and Alzheimer's disease neuropathology (ADNP) were modified by co-occurring Lewy body disease (LBD) or vascular brain injury (VBI). METHODS: Linear mixed effects models evaluated longitudinal trends in the Clinical Dementia Rating Sum of Boxes on 2046 autopsied participants seen at a U...
November 18, 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/27863444/av-1451-tau-and-%C3%AE-amyloid-pet-imaging-in-dementia-with-lewy-bodies
#13
Kejal Kantarci, Val J Lowe, Bradley F Boeve, Matthew L Senjem, Nikki Tosakulwong, Timothy G Lesnick, Anthony J Spychalla, Jeffrey L Gunter, Julie A Fields, Jonathan Graff-Radford, Tanis J Ferman, David T Jones, Melissa E Murray, David S Knopman, Clifford R Jack, Ronald C Petersen
OBJECTIVE: Patients with probable dementia with Lewy bodies often have Alzheimer's disease-related pathology. Our objective was to determine the pattern of positron emission tomography tau tracer AV-1451 uptake in patients with probable dementia with Lewy bodies, compared to Alzheimer's disease, and its relationship to β-amyloid deposition on positron emission tomography. METHODS: Consecutive patients with clinically probable dementia with Lewy bodies (n=19) from the Mayo Clinic Alzheimer's Disease Research Center underwent MRI, AV-1451 and Pittsburgh compound-B positron emission tomography examinations...
November 18, 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27855167/assessment-of-olfactory-function-in-mapt-associated-neurodegenerative-disease-reveals-odor-identification-irreproducibility-as-a-non-disease-specific-general-characteristic-of-olfactory-dysfunction
#14
Katerina Markopoulou, Bruce A Chase, Piotr Robowski, Audrey Strongosky, Ewa Narożańska, Emilia J Sitek, Mariusz Berdynski, Maria Barcikowska, Matt C Baker, Rosa Rademakers, Jarosław Sławek, Christine Klein, Katja Hückelheim, Meike Kasten, Zbigniew K Wszolek
Olfactory dysfunction is associated with normal aging, multiple neurodegenerative disorders, including Parkinson's disease, Lewy body disease and Alzheimer's disease, and other diseases such as diabetes, sleep apnea and the autoimmune disease myasthenia gravis. The wide spectrum of neurodegenerative disorders associated with olfactory dysfunction suggests different, potentially overlapping, underlying pathophysiologies. Studying olfactory dysfunction in presymptomatic carriers of mutations known to cause familial parkinsonism provides unique opportunities to understand the role of genetic factors, delineate the salient characteristics of the onset of olfactory dysfunction, and understand when it starts relative to motor and cognitive symptoms...
2016: PloS One
https://www.readbyqxmd.com/read/27848117/capgras-syndrome-in-parkinson-s-disease-two-new-cases-and-literature-review
#15
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/27834773/validation-of-the-korean-version-of-the-lewy-body-composite-risk-score-k-lbcrs
#16
Hui Jin Ryu, Minyoung Kim, Yeonsil Moon, Yeji Choi, Jiyoung Han, James E Galvin, Seol-Heui Han
The Lewy body composite risk score (LBCRS) is a useful clinical screening tool to help determine whether the dementia is related to Lewy body pathology. The purpose of this study is to verify reliability, validity, and diagnostic usefulness of Korean version of LBCRS (K-LBCRS). CDR-sum of boxes, Mini-Mental State Examination, and standardized scales related to cognition, mood, behavior, and motor function were administered to a total of 107 subjects, including 30 dementia with Lewy bodies (DLB), 54 Alzheimer's disease (AD), and 23 cognitively normal elderly people and their collateral informants...
November 9, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27807186/hippocampal-volumes-predict-risk-of-dementia-with-lewy-bodies-in-mild-cognitive-impairment
#17
Kejal Kantarci, Timothy Lesnick, Tanis J Ferman, Scott A Przybelski, Bradley F Boeve, Glenn E Smith, Walter K Kremers, David S Knopman, Clifford R Jack, Ronald C Petersen
OBJECTIVE: To predict the risk of probable dementia with Lewy bodies (DLB) competing with Alzheimer disease (AD) dementia by hippocampal volume (HV) in patients with mild cognitive impairment (MCI) with impairments in amnestic or nonamnestic cognitive domains. METHODS: Patients with MCI (n = 160) from the Mayo Clinic Alzheimer's Disease Research Center, who participated in an MRI study at baseline from 2005 to 2014, were followed with approximately annual clinical evaluations...
November 29, 2016: Neurology
https://www.readbyqxmd.com/read/27802290/naturally-occurring-autoantibodies-against-tau-protein-are-reduced-in-parkinson-s-disease-dementia
#18
Yannick Kronimus, Alexandra Albus, Monika Balzer-Geldsetzer, Sarah Straub, Elisa Semler, Markus Otto, Jens Klotsche, Richard Dodel, David Mengel
BACKGROUND AND OBJECTIVE: Altered levels of naturally occurring autoantibodies (nAbs) against disease-associated neuronal proteins have been reported for neurodegenerative diseases, such as Alzheimer's (AD) and Parkinson's disease (PD). Recent histopathologic studies suggest a contribution of both Lewy body- and AD-related pathology to Parkinson's disease dementia (PDD). Therefore, we explored nAbs against alpha-synuclein (αS), tau and β-amyloid (Aβ) in PDD compared to cognitively normal PD patients...
2016: PloS One
https://www.readbyqxmd.com/read/27801938/causes-of-death-according-to-death-certificates-in-individuals-with-dementia-a-cohort-from-the-swedish-dementia-registry
#19
Sara Garcia-Ptacek, Ingemar Kåreholt, Pavla Cermakova, Debora Rizzuto, Dorota Religa, Maria Eriksdotter
OBJECTIVES: The causes of death in dementia are not established, particularly in rarer dementias. The aim of this study is to calculate risk of death from specific causes for a broader spectrum of dementia diagnoses. DESIGN: Cohort study. SETTING: Swedish Dementia Registry (SveDem), 2007-2012. PARTICIPANTS: Individuals with incident dementia registered in SveDem (N = 28,609); median follow-up 741 days. Observed deaths were 5,368 (19%)...
November 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27794030/concomitant-ad-pathology-affects-clinical-manifestation-and-survival-in-dementia-with-lewy-bodies
#20
A W Lemstra, M H de Beer, C E Teunissen, C Schreuder, P Scheltens, W M van der Flier, S A M Sikkes
OBJECTIVE: To investigate whether concomitant Alzheimer's disease (AD) pathology, reflected by cerebrospinal fluid (CSF) biomarkers, has an impact on dementia with Lewy bodies (DLB) in terms of clinical presentation, cognitive decline, nursing home admittance and survival. PARTICIPANTS: We selected 111 patients with probable DLB and CSF available from the Amsterdam Dementia Cohort. On the basis of the AD biomarker profile (CSF tau/amyloid-β 1-42 (Aβ42) ratio >0...
October 28, 2016: Journal of Neurology, Neurosurgery, and Psychiatry
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