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https://www.readbyqxmd.com/read/29761569/cognitive-and-functional-progression-in-alzheimer-disease-a-prediction-model-of-latent-classes
#1
Miriam L Haaksma, Amaia Calderón-Larrañaga, Marcel G M Olde Rikkert, René J F Melis, Jeannie-Marie S Leoutsakos
OBJECTIVE: We sought to replicate a previously published prediction model for progression, developed in the Cache County Dementia Progression Study, using a clinical cohort from the National Alzheimer's Coordinating Center. METHODS: We included 1120 incident Alzheimer disease (AD) cases with at least one assessment after diagnosis, originating from 31 AD centres from the United States. Trajectories of the Mini-Mental State Examination (MMSE) and Clinical Dementia Rating sum of boxes (CDR-sb) were modelled jointly over time using parallel-process growth mixture models in order to identify latent classes of trajectories...
May 15, 2018: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29761296/neuroimaging-in-lewy-body-dementia
#2
REVIEW
Tayyabah Yousaf, George Dervenoulas, Polytimi-Eleni Valkimadi, Marios Politis
Lewy body dementia (DLB) is a common form of cognitive impairment, accounting for 30% of dementia cases in ages over 65 years. Early diagnosis of DLB has been challenging; particularly in the context of differentiation with Parkinson's disease dementia and other forms of dementias, such as Alzheimer's disease and rapidly progressive dementias. Current practice involves the use of [123 I]FP-CIT-SPECT, [18 F]FDG PET and [123 I]MIBG molecular imaging to support diagnostic procedures. Structural imaging techniques have an essential role for excluding structural causes, which could lead to a DLB-like phenotype, as well as aiding differential diagnosis through illustrating disease-specific patterns of atrophy...
May 14, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29684916/predictors-of-rapid-cognitive-decline-in-patients-with-mild-to-moderate-alzheimer-disease-a-prospective-cohort-study-with-12-month-follow-up-performed-in-memory-clinics
#3
Achille E Tchalla, Jean-Pierre Clément, Isabelle Saulnier, Betty Beaumatin, Florent Lachal, Caroline Gayot, Anaïs Bosetti, Iléana Desormais, Anaïck Perrochon, Pierre-Marie Preux, Philippe Couratier, Thierry Dantoine
BACKGROUND/AIMS: Alzheimer disease (AD) is particularly devastating, with no cure, no means of prevention, and no proven way to slow progression. AD is associated with the worsening of cognitive function attributable to a variety of factors of which little is known. Our main objective was to determine factors associated with rapid cognitive decline (RCD) in older AD patients. METHODS: We conducted a 12-month, prospective, multi-centre cohort study. Community-living individuals aged ≥65 years with mild-to-moderate AD were included...
April 23, 2018: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/29684335/emergence-of-breath-testing-as-a-new-non-invasive-diagnostic-modality-for-neurodegenerative-diseases
#4
REVIEW
N Siva Subramaniam, C S Bawden, H Waldvogel, R M L Faull, G S Howarth, R G Snell
Neurodegenerative diseases (NDDs) are incapacitating disorders that result in progressive motor and cognitive impairment. These disease include Alzheimer's disease the most common cause of dementia, frontotemporal dementia, amyotrophic lateral sclerosis, dementia with Lewy bodies, Parkinson's, Huntington's, Friedreich's ataxia, and prion disease. Dementia causing NDDs impose a high social and economic burden on communities around the world. Rapid growth in knowledge regarding the pathogenic mechanisms and disease-associated biomarkers of these diseases in the past few decades have accelerated the development of new diagnostic methods and therapeutic opportunities...
April 20, 2018: Brain Research
https://www.readbyqxmd.com/read/29666711/creutzfeldt-jakob-disease-presenting-as-expressive-aphasia-and-nonconvulsive-status-epilepticus
#5
Hafiz B Mahboob, Kazi H Kaokaf, Jeremy M Gonda
Creutzfeldt-Jakob disease (CJD), the most common form of human prion diseases, is a fatal condition with a mortality rate reaching 85% within one year of clinical presentation. CJD is characterized by rapidly progressive neurological deterioration in combination with typical electroencephalography (EEG) and magnetic resonance imaging (MRI) findings and positive cerebrospinal spinal fluid (CSF) analysis for 14-3-3 proteins. Unfortunately, CJD can have atypical clinical and radiological presentation in approximately 10% of cases, thus making the diagnosis often challenging...
2018: Case Reports in Critical Care
https://www.readbyqxmd.com/read/29664058/relationships-between-rapid-eye-movement-sleep-behavior-disorder-and-neurodegenerative-diseases-clinical-assessments-biomarkers-and-treatment
#6
REVIEW
Min Li, Li Wang, Jiang-Hong Liu, Shu-Qin Zhan
Objective: Rapid eye movement sleep behavior disorder (RBD) is characterized by dream enactment and loss of muscle atonia during rapid eye movement sleep. RBD is closely related to α-synucleinopathies including Parkinson's disease, dementia with Lewy bodies, and multiple system atrophy. Many studies have investigated the markers of imaging and neurophysiological, genetic, cognitive, autonomic function of RBD and their predictive value for neurodegenerative diseases. This report reviewed the progress of these studies and discussed their limitations and future research directions...
April 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29663553/rapid-evidence-assessment-of-approaches-to-community-neurological-nursing-care-for-people-with-neurological-conditions-post-discharge-from-acute-care-hospital
#7
REVIEW
Judith Dianne Pugh, Kathleen McCoy, Anne M Williams, Brenda Bentley, Leanne Monterosso
Neurological conditions represent leading causes of non-fatal burden of disease that will consume a large proportion of projected healthcare expenditure. Inconsistent access to integrated healthcare and other services for people with long-term neurological conditions stresses acute care services. The purpose of this rapid evidence assessment, conducted February-June 2016, was to review the evidence supporting community neurological nursing approaches for patients with neurological conditions post-discharge from acute care hospitals...
April 16, 2018: Health & Social Care in the Community
https://www.readbyqxmd.com/read/29662677/auto-antibodies-against-p-q-and-n-type-voltage-dependent-calcium-channels-mimicking-frontotemporal-dementia
#8
Kyan Younes, Lauren A Lepow, Cynthia Estrada, Paul E Schulz
The behavioral variant of frontotemporal dementia is usually a sporadic and progressive neurodegenerative disorder. Here, we report the subacute onset of a frontotemporal dementia phenotype with a treatable etiology. The patient has a history of rheumatoid arthritis, episcleritis, and thyroid eye disease on immunosuppressive therapy. He experienced a rapid personality change, including inappropriate behavior, which suggested frontotemporal dementia. Results of imaging and neuropsychological testing also suggested frontotemporal dementia...
2018: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29643688/simultaneous-18f-fdg-pet-mri-in-autoimmune-limbic-encephalitis
#9
Sangeeta Taneja, Vinit Suri, Aashim Ahuja, Amarnath Jena
Limbic encephalitis is an autoimmune disorder characterized by inflammation of the brain with rapidly progressing dementia which requires definitive neurological evaluation. We describe both clinical as well as imaging findings in a case of limbic encephalitis using positron emission tomography/magnetic resonance imaging.
April 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29628038/-patterns-of-detection-of-mild-cognitive-impairment-in-nursing
#10
Ana J Sebastián Hernández, Luís Carlos Arranz Santamaría
Mild cognitive impairment (MCI) is characterized by an acquired cognitive loss that places individuals, mainly older adults, in an intermediate stage between normal cognitive functioning and dementia. This impairment has a high risk of progression to dementia and is suitable for screening, which allows more effective early intervention. Nursing professionals, especially community-based primary care nurses, play an important role in the detection and follow-up of MCI and in interventions for this condition. The first step should be to take a thorough history from both the patient and his or her carers, which should assess the changes occurring in the patient's daily, family and social life through functional patterns...
June 2017: Revista Española de Geriatría y Gerontología
https://www.readbyqxmd.com/read/29623063/amyloid-%C3%AE-plaques-in-clinical-alzheimer-s-disease-brain-incorporate-stable-isotope-tracer-in-vivo-and-exhibit-nanoscale-heterogeneity
#11
Norelle C Wildburger, Frank Gyngard, Christelle Guillermier, Bruce W Patterson, Donald Elbert, Kwasi G Mawuenyega, Theresa Schneider, Karen Green, Robyn Roth, Robert E Schmidt, Nigel J Cairns, Tammie L S Benzinger, Matthew L Steinhauser, Randall J Bateman
Alzheimer's disease (AD) is a neurodegenerative disorder with clinical manifestations of progressive memory decline and loss of executive function and language. AD affects an estimated 5.3 million Americans alone and is the most common form of age-related dementia with a rapidly growing prevalence among the aging population-those 65 years of age or older. AD is characterized by accumulation of aggregated amyloid-beta (Aβ) in the brain, which leads to one of the pathological hallmarks of AD-Aβ plaques. As a result, Aβ plaques have been extensively studied after being first described over a century ago...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29576439/lrrk2-protective-haplotype-and-full-sequencing-study-in-rem-sleep-behavior-disorder
#12
Bouchra Ouled Amar Bencheikh, Jennifer A Ruskey, Isabelle Arnulf, Yves Dauvilliers, Christelle Charley Monaca, Valérie Cochen De Cock, Jean-François Gagnon, Dan Spiegelman, Michele T M Hu, Birgit Högl, Ambra Stefani, Luigi Ferini-Strambi, Giuseppe Plazzi, Elena Antelmi, Peter Young, Anna Heidbreder, Brit Mollenhauer, Friederike Sixel-Döring, Claudia Trenkwalder, Wolfgang Oertel, Jacques Y Montplaisir, Ronald B Postuma, Guy A Rouleau, Ziv Gan-Or
BACKGROUND: Individuals with rapid eye movement (REM)-sleep behavior disorder (RBD) are likely to progress to synucleinopathies, mainly Parkinson's disease (PD), dementia with Lewy-bodies (DLB) and multiple system atrophy (MSA). The genetics of RBD only partially overlaps with PD and DLB, and the role of LRRK2 variants in risk for RBD is still not clear. METHODS: The full coding sequence, exon-intron boundaries and 5' and 3' untranslated regions of LRRK2 were sequenced using targeted next-generation sequencing...
March 21, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29564191/mitochondria-and-alzheimer-s-disease-the-role-of-mitochondrial-genetic-variation
#13
REVIEW
Perry G Ridge, John S K Kauwe
Purpose of Review: Alzheimer's disease (AD) is the most common form of dementia, affects an increasing number of people worldwide, has a rapidly increasing incidence, and is fatal. In the past several years, significant progress has been made towards solving the genetic architecture of AD, but our understanding remains incomplete and has not led to treatments that either cure or slow disease. There is substantial evidence that mitochondria are involved in AD: mitochondrial functional declines in AD, mitochondrial encoded gene expression changes, mitochondria are morphologically different, and mitochondrial fusion/fission are modified...
2018: Current Genetic Medicine Reports
https://www.readbyqxmd.com/read/29561424/nonopportunistic-infection-leading-to-rapidly-progressive-dementia-in-a-patient-with-hiv-aids-a-case-report
#14
Johannes Eimer, Jan Vesterbacka, Irina Savitcheva, Rayomand Press, Homayoun Roshanisefat, Piotr Nowak
RATIONALE: Cognitive dysfunction is a common presenting symptom in patients with HIV/AIDS. It is usually directly associated with HIV infection or due to opportunistic infection. Rapidly progressive dementia, however, is rarely observed in acute HIV infection or during immune reconstitution. Recently, a case of Creutzfeld-Jakob disease (CJD) has been reported in a patient with chronic HIV infection. The incidence of CJD is not known to be increased among immunocompromised patients. PATIENT CONCERNS: We here report the case of a 59-year-old male patient with a recent diagnosis of HIV/AIDS and Pneumocystis jiroveci pneumonia presenting with secondary behavioral changes and disorientation...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29544907/mendelian-adult-onset-leukodystrophy-genes-in-alzheimer-s-disease-critical-influence-of-csf1r-and-notch3
#15
Celeste Sassi, Michael A Nalls, Perry G Ridge, Jesse R Gibbs, Michelle K Lupton, Claire Troakes, Katie Lunnon, Safa Al-Sarraj, Kristelle S Brown, Christopher Medway, Jenny Lord, James Turton, Jose Bras, Sonja Blumenau, Mareike Thielke, Christa Josties, Dorette Freyer, Annette Dietrich, Monia Hammer, Michael Baier, Ulrich Dirnagl, Kevin Morgan, John F Powell, John S Kauwe, Carlos Cruchaga, Alison M Goate, Andrew B Singleton, Rita Guerreiro, Angela Hodges, John Hardy
Mendelian adult-onset leukodystrophies are a spectrum of rare inherited progressive neurodegenerative disorders affecting the white matter of the central nervous system. Among these, cerebral autosomal dominant and recessive arteriopathy with subcortical infarcts and leukoencephalopathy, cerebroretinal vasculopathy, metachromatic leukodystrophy, hereditary diffuse leukoencephalopathy with spheroids, and vanishing white matter disease present with rapidly progressive dementia as dominant feature and are caused by mutations in NOTCH3, HTRA1, TREX1, ARSA, CSF1R, EIF2B1, EIF2B2, EIF2B3, EIF2B4, and EIF2B5, respectively...
February 2, 2018: Neurobiology of Aging
https://www.readbyqxmd.com/read/29525731/atypical-presentation-of-probable-creutzfeldt-jakob-disease-associated-with-anti-zic4-antibody-literature-review-of-neuronal-antibodies-in-creutzfeldt-jakob-disease
#16
Richard Salazar
INTRODUCTION: Sporadic Creutzfeldt-Jakob disease is a prion disease characterized by rapidly progressive dementia, ataxia and myoclonus. Atypical phenotype masquerading as stroke, movement disorders or autoimmune encephalitis have been described. Here, I report a probable case of sCJD with an atypical presentation associated with anti-Zic4 antibody and review the literature of neuronal antibodies in CJD. CASE REPORT: A 70 year-old gentleman is admitted with a 2-month history of recurrent stroke-like symptoms associated with behavioral disturbances, gait ataxia and rapidly progressive dementia...
May 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29525296/further-evidence-for-a-distinctive-atypical-degenerative-parkinsonism-in-the-caribbean-a-new-cluster-in-the-french-west-indian-island-of-martinique
#17
Annie Lannuzel, Régine Edragas, Angéla Lackmy, Benoit Tressières, Véronique Pelonde, Mireille Edimo Nana Kaptué, Sylvie Mécharles, Alexis Demas, Billy François, Eavan McGovern, Marie Vidailhet, Bertrand Gaymard, Emmanuel Roze
BACKGROUND: A high prevalence of an atypical levodopa-resistant parkinsonism has been reported in the Caribbean island of Guadeloupe. These seminal observations have not been replicated or extended to neighbouring populations who share genetic and environmental characteristics. METHODS: To further characterise this atypical parkinsonism we prospectively investigated 305 consecutive patients with neurodegenerative parkinsonism in a community-based population from Guadeloupe and Martinique, a neighbouring French Caribbean island where the population has similar environmental and genetic backgrounds...
May 15, 2018: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29522818/extrastriatal-monoaminergic-dysfunction-and-enhanced-microglial-activation-in-idiopathic-rapid-eye-movement-sleep-behaviour-disorder
#18
Morten Gersel Stokholm, Alex Iranzo, Karen Østergaard, Mónica Serradell, Marit Otto, Kristina Bacher Svendsen, Alicia Garrido, Dolores Vilas, Peter Parbo, Per Borghammer, Joan Santamaria, Arne Møller, Carles Gaig, David J Brooks, Eduardo Tolosa, Nicola Pavese
BACKGROUND: The majority of patients diagnosed with idiopathic rapid eye movement sleep behaviour disorder (iRBD) progress over time to a Lewy-type α-synucleinopathy such as Parkinson's disease or dementia with Lewy bodies. This in vivo molecular imaging study aimed to investigate if extrastriatal monoaminergic systems are affected in iRBD patients and if this coincides with neuroinflammation. METHODS: We studied twenty-one polysomnography-confirmed iRBD patients with 18 F-DOPA and 11 C-PK11195 positron emission tomography (PET) to investigate extrastriatal monoaminergic function and microglial activation...
July 2018: Neurobiology of Disease
https://www.readbyqxmd.com/read/29515622/high-incidence-of-sporadic-creutzfeldt-jakob-disease-in-slovenia-in-2015-a-case-series
#19
Tomaž Rus, Bogdan Lorber, Maja Trošt, Srečko Dobrecovič, Nuška Čakš Jager, Mara Popović, Milica G Kramberger
Background: Creutzfeldt-Jakob disease (CJD) is a rare fatal neurodegenerative disorder presenting with rapid cognitive decline and additional signs. The clinical characteristics of an increasing number of sporadic CJD (sCJD) patients admitted to the Ljubljana University Medical Centre are presented as well as the incidence of sCJD in Slovenia in 2015 compared to previous years. Methods: We investigated patients presenting with rapidly progressive dementia and at least one additional sign...
January 2018: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/29504536/progress-and-challenges-in-frontotemporal-dementia-research-a-20-year-review
#20
John R Hodges, Olivier Piguet
The landscape of frontotemporal dementia (FTD) has evolved remarkably in recent years and is barely recognizable from two decades ago. Knowledge of the clinical phenomenology, cognition, neuroimaging, genetics, pathology of the different subtypes of FTD, and their relations to other neurodegenerative conditions, has increased rapidly, due in part, to the growing interests into these neurodegenerative brain conditions. This article reviews the major advances in the field of FTD over the past 20 years, focusing primarily on the work of Frontier, the frontotemporal dementia clinical research group, based in Sydney, Australia...
2018: Journal of Alzheimer's Disease: JAD
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