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Alzheimer lewy body dementia

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https://www.readbyqxmd.com/read/29155947/dementia-after-moderate-severe-traumatic-brain-injury-coexistence-of-multiple-proteinopathies
#1
Kimbra Kenney, Diego Iacono, Brian L Edlow, Douglas I Katz, Ramon Diaz-Arrastia, Kristen Dams-O'Connor, Daniel H Daneshvar, Allison Stevens, Allison L Moreau, Lee S Tirrell, Ani Varjabedian, Anastasia Yendiki, Andre van der Kouwe, Azma Mareyam, Jennifer A McNab, Wayne A Gordon, Bruce Fischl, Ann C McKee, Daniel P Perl
We report the clinical, neuroimaging, and neuropathologic characteristics of 2 patients who developed early onset dementia after a moderate-severe traumatic brain injury (TBI). Neuropathological evaluation revealed abundant β-amyloid neuritic and cored plaques, diffuse β-amyloid plaques, and frequent hyperphosphorylated-tau neurofibrillary tangles (NFT) involving much of the cortex, including insula and mammillary bodies in both cases. Case 1 additionally showed NFTs in both the superficial and deep cortical layers, occasional perivascular and depth-of-sulci NFTs, and parietal white matter rarefaction, which corresponded with decreased parietal fiber tracts observed on ex vivo MRI...
November 16, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29146478/diacylglycerols-as-biomarkers-of-sustained-immune-activation-in-proteinopathies-associated-with-dementia
#2
REVIEW
Paul L Wood, John E Cebak, Randall L Woltjer
Cognitive decline is a devastating clinical condition, heavily correlated with age progression. In the cases of Alzheimer's disease, Parkinson's disease, and Lewy body disease, the common neuropathologies are proteinopathies and neuroinflammation. Herein, we review current lipidomics findings and conclude that brain and circulating diacylglycerols represent biomarkers of this ongoing sustained immune response, presumably involving microglia. We further hypothesize that a logical next step will be to evaluate biomarkers of immune activation in a cohort of patients with Mild Cognitive Impairment (MCI) and subsequently attempt to provide therapeutic intervention with anti-inflammatory therapy in MCI patients with immune activation...
November 13, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29146111/microrna-expression-patterns-in-human-anterior-cingulate-and-motor-cortex-a-study-of-dementia-with-lewy-bodies-cases-and-controls
#3
Peter T Nelson, Wang-Xia Wang, Sarah A Janse, Katherine L Thompson
OVERVIEW: MicroRNAs (miRNAs) have been implicated in neurodegenerative diseases including Parkinson's disease and Alzheimer's disease (AD). Here, we evaluated the expression of miRNAs in anterior cingulate (AC; Brodmann area [BA] 24) and primary motor (MO; BA 4) cortical tissue from aged human brains in the University of Kentucky AD Center autopsy cohort, with a focus on dementia with Lewy bodies (DLB). METHODS: RNA was isolated from gray matter of brain samples with pathology-defined DLB, AD, AD+DLB, and low-pathology controls, with n=52 cases initially included (n=23 with DLB), all with low (<4hrs) postmortem intervals...
November 13, 2017: Brain Research
https://www.readbyqxmd.com/read/29142140/imaging-and-csf-analyses-effectively-distinguish-cjd-from-its-mimics
#4
Peter Rudge, Harpreet Hyare, Alison Green, John Collinge, Simon Mead
OBJECTIVE: To review clinical and investigation findings in patients referred to a specialist prion clinic who were suspected to have sporadic Creutzfeldt-Jakob disease (sCJD) and yet were found to have an alternative final diagnosis. METHODS: Review the clinical findings and investigations in 214 patients enrolled into the UK National Prion Monitoring Cohort Study between October 2008 and November 2015 who had postmortem confirmed sCJD and compare these features with 50 patients referred over the same period who had an alternative final diagnosis (CJD mimics)...
November 15, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29133699/referral-practice-reporting-standards-and-the-impact-of-dopamine-transporter-scans-done-in-a-tertiary-hospital
#5
Shakya Bhattacharjee, Albi J Chalissery, Tim Barry, Donagh O'Sullivan, Martin O'Connell, Timothy Lynch
AIMS: We studied the referral practice, reporting standards, and the impact of 123 ioflupane single photon emission computed tomogram dopamine transporters (DAT-SPECT) scans conducted for the diagnosis and clinical management of patients. SETTINGS AND DESIGNS: The present study was a retrospective, non-interventional study. MATERIALS AND METHODS: We assessed the DAT scan referral and the official reports available from the Nuclear Medicine Department of the Mater Misericordiae University Hospital over 1 year (2013)...
November 2017: Neurology India
https://www.readbyqxmd.com/read/29131019/utility-of-autonomic-function-tests-to-differentiate-dementia-with-lewy-bodies-and-parkinson-disease-with-dementia-from-alzheimer-disease
#6
Shuta Toru, Tadashi Kanouchi, Takanori Yokota, Yosuke Yagi, Akira Machida, Takayoshi Kobayashi
OBJECTIVE: We studied autonomic disturbance in patients with dementia with Lewy bodies (DLB), Parkinson disease with dementia (PDD), Alzheimer disease (AD), to determine whether autonomic function tests can be used to distinguish these disorders. METHODS: Autonomic function was tested in 56 patients with DLB, 37 patients with PDD, and 59 patients with AD by using the sympathetic skin response, coefficient of variation in R-R interval, the head-up tilt test, serum norepinephrine concentration, and 123I-meta-iodobenzylguanidine cardiac scintigraphy...
November 13, 2017: European Neurology
https://www.readbyqxmd.com/read/29126445/ykl-40-in-the-brain-and-cerebrospinal-fluid-of-neurodegenerative-dementias
#7
Franc Llorens, Katrin Thüne, Waqas Tahir, Eirini Kanata, Daniela Diaz-Lucena, Konstantinos Xanthopoulos, Eleni Kovatsi, Catharina Pleschka, Paula Garcia-Esparcia, Matthias Schmitz, Duru Ozbay, Susana Correia, Ângela Correia, Ira Milosevic, Olivier Andréoletti, Natalia Fernández-Borges, Ina M Vorberg, Markus Glatzel, Theodoros Sklaviadis, Juan Maria Torres, Susanne Krasemann, Raquel Sánchez-Valle, Isidro Ferrer, Inga Zerr
BACKGROUND: YKL-40 (also known as Chitinase 3-like 1) is a glycoprotein produced by inflammatory, cancer and stem cells. Its physiological role is not completely understood but YKL-40 is elevated in the brain and cerebrospinal fluid (CSF) in several neurological and neurodegenerative diseases associated with inflammatory processes. Yet the precise characterization of YKL-40 in dementia cases is missing. METHODS: In the present study, we comparatively analysed YKL-40 levels in the brain and CSF samples from neurodegenerative dementias of different aetiologies characterized by the presence of cortical pathology and disease-specific neuroinflammatory signatures...
November 10, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/29117955/alzheimer-s-disease-related-dementias-summit-2016-national-research-priorities
#8
REVIEW
Roderick A Corriveau, Walter J Koroshetz, Jordan T Gladman, Sophia Jeon, Debra Babcock, David A Bennett, S Thomas Carmichael, Susan L-J Dickinson, Dennis W Dickson, Marian Emr, Howard Fillit, Steven M Greenberg, Michael L Hutton, David S Knopman, Jennifer J Manly, Karen S Marder, Claudia S Moy, Creighton H Phelps, Paul A Scott, William W Seeley, Beth-Anne Sieber, Nina B Silverberg, Margaret L Sutherland, Angela Taylor, Christine L Torborg, Salina P Waddy, Amelie K Gubitz, David M Holtzman
Goal 1 of the National Plan to Address Alzheimer's Disease is to prevent and effectively treat Alzheimer disease and Alzheimer disease-related dementias by 2025. To help inform the research agenda toward achieving this goal, the NIH hosts periodic summits that set and refine relevant research priorities for the subsequent 5 to 10 years. This proceedings article summarizes the 2016 Alzheimer's Disease-Related Dementias Summit, including discussion of scientific progress, challenges, and opportunities in major areas of dementia research, including mixed-etiology dementias, Lewy body dementia, frontotemporal degeneration, vascular contributions to cognitive impairment and dementia, dementia disparities, and dementia nomenclature...
November 8, 2017: Neurology
https://www.readbyqxmd.com/read/29116145/cingulate-island-sign-temporally-changes-in-dementia-with-lewy-bodies
#9
Tomomichi Iizuka, Rui Iizuka, Masashi Kameyama
The cingulate island sign (CIS) that reflects sparing of the posterior cingulate cortex (PCC) relative to the precuneus plus cuneus on FDG-PET and brain perfusion SPECT, has been proposed as a feature of dementia with Lewy bodies (DLB). As the CIS is influenced by concomitant Alzheimer's disease (AD)-type neurofibrillary tangle (NFT) pathology, we postulated that the CIS gradually disappears as DLB progresses. To determine temporal changes in the CIS, 24 patients with mild DLB and 7 with prodromal DLB underwent (123)I-IMP-SPECT and MMSE twice at an interval of two years...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29112909/potential-diagnostic-value-of-131-i-mibg-myocardial-scintigraphy-in-discrimination-between-alzheimer-disease-and-dementia-with-lewy-bodies
#10
Mehrshad Abbasi, Nafise Ghalandari, Saeed Farzanefar, Vajiheh Aghamollaii, Mona Ahmadi, Morsaleh Ganji, Mohsen Afarideh, Sogol Loloee, Maryam Naseri, Abbas Tafakhori
OBJECTIVES: Clinical difficulty to discriminate between the Alzheimer disease (AD) and dementia with Lewy bodies (DLB) has led researchers to focus on highly sensitive functional imaging modalities. The aim of the present study was to assess (131)I-MIBG cardiac imaging to distinguish between AD and DLB. PATIENTS AND METHODS: Seventeen patients who were known cases of dementia underwent (131)I-MIBG myocardial scintigraphy to differentiate AD from DLB. Planar and (131)I-MIBG SPECT were obtained 2h after the injection of 1mCi (131)I-MIBG on a dual head gamma camera...
October 25, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29110781/cerebrospinal-fluid-in-the-dementias
#11
Henrik Zetterberg, Jonathan D Rohrer, Jonathan M Schott
Alzheimer disease, vascular dementia, dementia with Lewy bodies, and frontotemporal dementia are the most common central nervous system disorders that cause progressive neurocognitive dysfunction and ultimately dementia. A number of biomarkers for pathologies reflecting each condition have been developed. Here, we review these and give an overview of the current state of practice and research regarding cerebrospinal fluid biomarkers for these disorders. The chapter discusses both established (most of which are tau- and amyloid β-related) and upcoming biomarkers and details, wherever appropriate, clinical use and differential diagnostics aspects...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29103031/transcranial-sonography-in%C3%A2-neurodegenerative-diseases-with-cognitive-decline
#12
Silvia Favaretto, Uwe Walter, Claudio Baracchini, Annachiara Cagnin
Transcranial sonography (TCS) of the brain parenchyma detects alterations in the substantia nigra (SN), raphe nuclei, and basal ganglia; this technique has been established as a tool for the early diagnosis of Parkinson's disease and differential diagnosis from atypical parkinsonian syndromes. Here, we aimed to review the main applications of TCS in neurodegenerative diseases presenting with dementia syndrome, focusing on Alzheimer's disease (AD), dementia with Lewy bodies (DLB), frontotemporal lobar degeneration, idiopathic normal pressure hydrocephalus, and atypical and secondary parkinsonisms...
November 1, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29101136/mortality-in-dementia-with-lewy-bodies-compared-with-alzheimer-s-dementia-a-retrospective-naturalistic-cohort-study
#13
Annabel Price, Redwan Farooq, Jin-Min Yuan, Vandana B Menon, Rudolf N Cardinal, John T O'Brien
OBJECTIVES: To use routine clinical data to investigate survival in dementia with Lewy bodies (DLB) compared with Alzheimer's dementia (AD). DLB is the second most common dementia subtype after AD, accounting for around 7% of dementia diagnoses in secondary care, though studies suggest that it is underdiagnosed by up to 50%. Most previous studies of DLB have been based on select research cohorts, so little is known about the outcome of the disease in routine healthcare settings. SETTING: Cambridgeshire & Peterborough NHS Foundation Trust, a mental health trust providing secondary mental health care in England...
November 3, 2017: BMJ Open
https://www.readbyqxmd.com/read/29096630/trajectories-of-physical-function-prior-to-death-and-brain-neuropathology-in-a-community-based-cohort-the-act-study
#14
Andrea Z LaCroix, Rebecca A Hubbard, Shelly L Gray, Melissa L Anderson, Paul K Crane, Joshua A Sonnen, Oleg Zaslavsky, Eric B Larson
BACKGROUND: Mechanisms linking cognitive and physical functioning in older adults are unclear. We sought to determine whether brain pathological changes relate to the level or rate of physical performance decline. METHODS: This study analyzed data from 305 participants in the autopsy subcohort of the prospective Adult Changes in Thought (ACT) study. Participants were aged 65+ and free of dementia at enrollment. Physical performance was measured at baseline and every two years using the Short Physical Performance Battery (SPPB)...
November 2, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/29067344/determining-the-impact-of-psychosis-on-rates-of-false-positive-and-false-negative-diagnosis-in-alzheimer-s-disease
#15
Corinne E Fischer, Winnie Qian, Tom A Schweizer, Zahinoor Ismail, Eric E Smith, Colleen P Millikin, David G Munoz
INTRODUCTION: The rate of clinical misdiagnosis of Alzheimer's disease (AD) and how psychosis impacts that clinical judgment is unclear. METHODS: Using data from National Alzheimer's Coordinating Center, we compared the clinical and neuropathologic diagnosis in patients with a diagnosis of AD with autopsy and in neuropathology-confirmed AD cases (n = 961). We determined the rate of true positives, false positives, and false negatives in patients with and without psychosis...
September 2017: Alzheimer's & Dementia: Translational Research & Clinical Interventions
https://www.readbyqxmd.com/read/29067320/multiple-comorbid-neuropathologies-in-the-setting-of-alzheimer-s-disease-neuropathology-and-implications-for-drug-development
#16
REVIEW
Gil D Rabinovici, Maria C Carrillo, Mark Forman, Susan DeSanti, David S Miller, Nicholas Kozauer, Ronald C Petersen, Christopher Randolph, David S Knopman, Eric E Smith, Maria Isaac, Niklas Mattsson, Lisa J Bain, James A Hendrix, John R Sims
Dementia is often characterized as being caused by one of several major diseases, such as Alzheimer's disease (AD), cerebrovascular disease, Lewy body disease, or a frontotemporal degeneration. Failure to acknowledge that more than one entity may be present precludes attempts to understand interactive relationships. The clinicopathological studies of dementia demonstrate that multiple pathologic processes often coexist. How overlapping pathologic findings affect the diagnosis and treatment of clinical AD and other dementia phenotypes was the topic taken up by the Alzheimer's Association's Research Roundtable in October 2014...
January 2017: Alzheimer's & Dementia: Translational Research & Clinical Interventions
https://www.readbyqxmd.com/read/29036826/what-can-quantitative-gait-analysis-tell-us-about-dementia-and-its-subtypes-a-structured-review
#17
Ríona Mc Ardle, Rosie Morris, Joanna Wilson, Brook Galna, Alan J Thomas, Lynn Rochester
Distinguishing dementia subtypes can be difficult due to similarities in clinical presentation. There is increasing interest in discrete gait characteristics as markers to aid diagnostic algorithms in dementia. This structured review explores the differences in quantitative gait characteristics between dementia and healthy controls, and between four dementia subtypes under single-task conditions: Alzheimer's disease (AD), dementia with Lewy bodies and Parkinson's disease dementia, and vascular dementia. Twenty-six papers out of an initial 5,211 were reviewed and interpreted using a validated model of gait...
October 7, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29033972/clinical-spectrum-risk-factors-and-behavioral-abnormalities-among-dementia-subtypes-in-a-north-indian-population-a-hospital-based-study
#18
Suman Kushwaha, Puneet Talwar, Aldrin Anthony, Meena Gupta, Kiran Bala, Rachna Agarwal, Vibha Sharma, Ritushree Kukreti
BACKGROUND: As variability in the clinical profile of dementia subtypes had been reported with regional differences across the world, we conducted a retrospective hospital-based study in a North Indian population. METHODS: We retrieved patient records from 2007 to 2014 for details of clinical evaluation, diagnosis, neuroimaging, biochemical investigations, and follow-up of 1,876 patients with dementia (PwD), and the data were analyzed using descriptive statistics...
May 2017: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/29016892/pain-in-patients-with-different-dementia-subtypes-mild-cognitive-impairment-and-subjective-cognitive-impairment
#19
Tarik T Binnekade, Erik J A Scherder, Andrea B Maier, Frank Lobbezoo, Eduard J Overdorp, Didi Rhebergen, Roberto S G M Perez, Joukje M Oosterman
Objective: To assess the pain prevalence, pain intensity, and pain medication use in older patients with a diagnosed subtype of dementia, mild cognitive impairment (MCI), or subjective cognitive impairment (SCI). Design: Cross-sectional. Setting: Outpatient memory clinics. Subjects: In total, 759 patients with Alzheimer's disease (AD), vascular dementia, mixed AD and vascular pathology (MD), frontotemporal dementia, dementia with Lewy Bodies, MCI, or SCI...
July 17, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28993004/cerebral-amyloid-angiopathy-related-cognitive-impairment-the-search-for-a-specific-neuropsychological-pattern
#20
REVIEW
M Planton, N Raposo, J-F Albucher, J Pariente
Cerebral amyloid angiopathy is diagnosed in stroke units after lobar intracerebral hemorrhage. CAA can also be diagnosed in memory clinics when patients are referred for cognitive impairment assessment, and may be a reason for admission to emergency or neurology departments because of rapidly progressive cognitive or neurological decline, or a transient focal neurological episode. CAA may even be observed in older community-dwelling individuals. Neuropsychological impairment in CAA has been described over the past 20 years...
November 2017: Revue Neurologique
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