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https://www.readbyqxmd.com/read/28087694/iso-%C3%AE-acids-bitter-components-of-beer-prevent-inflammation-and-cognitive-decline-induced-in-a-mouse-model-of-alzheimer-s-disease
#1
Yasuhisa Ano, Atsushi Dhata, Yoshimasa Taniguchi, Ayaka Hoshi, Kazuyuki Uchida, Akihiko Takashima, Hiroyuki Nakayama
Alongside the rapid growth in aging populations worldwide, prevention and therapy for age-related memory decline and dementia are in great demand to maintain a long healthy life. Here we found that iso-α-acids, hop-derived bitter compounds in beer, enhance microglial phagocytosis and suppress inflammation via activation of the peroxisome proliferator-activated receptor (PPAR-γ). In normal mice, oral administration of iso-α-acids led to a significant increase both in CD11b and CD206 double-positive anti-inflammatory type microglia (P<0...
January 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28069458/loganin-enhances-long-term-potentiation-and-recovers-scopolamine-induced-learning-and-memory-impairments
#2
Eun-Sang Hwang, Hyun-Bum Kim, Seok Lee, Min-Ji Kim, Sung-Ok Lee, Seung-Moo Han, Sungho Maeng, Ji-Ho Park
Although the incidence rate of dementia is rapidly growing in the aged population, therapeutic and preventive reagents are still suboptimal. Various model systems are used for the development of such reagents in which scopolamine is one of the favorable pharmacological tools widely applied. Loganin is a major iridoid glycoside obtained from Corni fructus (Cornusofficinaliset Zucc) and demonstrated to have anti-inflammatory, anti-tumor and osteoporosis prevention effects. It has also been found to attenuate Aβ-induced inflammatory reactions and ameliorate memory deficits induced by scopolamine...
January 6, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28068789/pragmatic-trial-of-video-education-in-nursing-homes-the-design-and-rationale-for-a-pragmatic-cluster-randomized-trial-in-the-nursing-home-setting
#3
Vincent Mor, Angelo E Volandes, Roee Gutman, Constantine Gatsonis, Susan L Mitchell
Background/Aims Nursing homes are complex healthcare systems serving an increasingly sick population. Nursing homes must engage patients in advance care planning, but do so inconsistently. Video decision support tools improved advance care planning in small randomized controlled trials. Pragmatic trials are increasingly employed in health services research, although not commonly in the nursing home setting to which they are well-suited. This report presents the design and rationale for a pragmatic cluster randomized controlled trial that evaluated the "real world" application of an Advance Care Planning Video Program in two large US nursing home healthcare systems...
January 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28062558/biological-spectrum-of-amyotrophic-lateral-sclerosis-prions
#4
Magdalini Polymenidou, Don W Cleveland
Amyotrophic lateral sclerosis (ALS) and frontotemporal lobar dementia (FTLD) are two neurodegenerative diseases with distinct clinical features but common genetic causes and neuropathological signatures. Ten years after the RNA-binding protein TDP-43 was discovered as the main protein in the cytoplasmic inclusions that characterize ALS and FTLD, their pathogenic mechanisms have never seemed more complex. Indeed, discoveries of the past decade have revolutionized our understanding of these diseases, highlighting their genetic heterogeneity and the involvement of protein-RNA assemblies in their pathogenesis...
January 6, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28062555/antibody-therapeutics-targeting-a%C3%AE-and-tau
#5
Gilbert Gallardo, David M Holtzman
The astonishing findings that active and passive immunization against amyloid-β (Aβ) in mouse models of Alzheimer's disease (AD) dramatically decreased amyloid burden led to a rapid initiation of human clinical trials with much enthusiasm. However, methodological issues and adverse effects relating to these clinical trials arose, challenging the effectiveness and safety of these reagents. Efforts are now underway to develop safer immunotherapeutic approaches toward Aβ and the treatment of individuals at risk for AD before or in the earliest stages of cognitive decline with new hopes...
January 6, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28042772/factors-of-rapid-cognitive-decline-in-late-onset-alzheimer-s-disease
#6
Pierre Koskas, Mariela Cecile Henry-Feugeas, Jean Paul Feugeas, Phalla Ou, Olivier Drunat
BACKGROUND: Rapid Cognitive Decline (RCD) in Alzheimer Disease (AD) is associated with a worse disease progression. There is no consensual predictor of RCD and only a few studies have focused on RCD in late-onset dementia, the most common form of AD Objective: To identify the predictors of RCD, in a population of community-dwelling patients with recently diagnosed late onset AD Methods: Community-dwelling subjects aged>75 consulting for the first time in Old Age Memory outpatient center from 2009 to 2012 were considered...
January 2, 2017: Current Aging Science
https://www.readbyqxmd.com/read/28035932/effect-of-vascular-risk-factors-on-the-progression-of-mild-alzheimer-s-disease-and-lewy-body-dementia
#7
Anne Katrine Bergland, Ingvild Dalen, Alf Inge Larsen, Dag Aarsland, Hogne Soennesyn
BACKGROUND: Vascular risk factors (VRF) are associated with an increased risk of neurodegenerative disease. OBJECTIVE: To examine the association between VRF and cognitive decline in patients with Alzheimer's disease (AD) and Lewy body dementia (LBD). METHODS: We included consecutive referrals with mild AD or LBD to dementia clinics in western Norway from 2005 to 2013. The Mini-Mental Status Exam (MMSE) and Clinical Dementia Rating Scale Sum of Boxes (CDR-SB) were administered at baseline and then annually for up to five years...
December 30, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28007900/extensive-cryptic-splicing-upon-loss-of-rbm17-and-tdp43-in-neurodegeneration-models
#8
Qiumin Tan, Hari Krishna Yalamanchili, Jeehye Park, Antonia De Maio, Hsiang-Chih Lu, Ying-Wooi Wan, Joshua J White, Vitaliy V Bondar, Layal S Sayegh, Xiuyun Liu, Yan Gao, Roy V Sillitoe, Harry T Orr, Zhandong Liu, Huda Y Zoghbi
Splicing regulation is an important step of post-transcriptional gene regulation. It is a highly dynamic process orchestrated by RNA-binding proteins (RBPs). RBP dysfunction and global splicing dysregulation have been implicated in many human diseases, but the in vivo functions of most RBPs and the splicing outcome upon their loss remain largely unexplored. Here we report that constitutive deletion of Rbm17, which encodes an RBP with a putative role in splicing, causes early embryonic lethality in mice and that its loss in Purkinje neurons leads to rapid degeneration...
October 7, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/27992236/creating-new-opportunities-to-educate-families-on-the-impact-of-frailty-and-cognitive-impairment-in-a-trauma-intensive-care-unit-results-of-a-quality-improvement-project
#9
Mohana B Karlekar, Cathy A Maxwell, Mary S Dietrich, Richard S Miller
BACKGROUND: Older adults comprise a rapidly growing proportion of admissions to acute care hospitals and trauma centers. Older adults admitted to a trauma intensive care unit (TICU) often have a more complicated inpatient and posthospital course. This is the most pronounced in frail elders with cognitive dysfunction. We aimed at integrating validated screening instruments for physical frailty and cognitive impairment into the standard nursing assessment of all older trauma patients admitted to our TICU and stepdown unit...
February 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/27943639/genetic-prion-disease-experience-of-a-rapidly-progressive-dementia-center-in-the-united-states-and-a-review-of-the-literature
#10
REVIEW
Leonel T Takada, Mee-Ohk Kim, Ross W Cleveland, Katherine Wong, Sven A Forner, Ignacio Illán Gala, Jamie C Fong, Michael D Geschwind
Although prion diseases are generally thought to present as rapidly progressive dementias with survival of only a few months, the phenotypic spectrum for genetic prion diseases (gPrDs) is much broader. The majority have a rapid decline with short survival, but many patients with gPrDs present as slowly progressive ataxic or parkinsonian disorders with progression over a few to several years. A few very rare mutations even present as neuropsychiatric disorders, sometimes with systemic symptoms such as gastrointestinal disorders and neuropathy, progressing over years to decades...
January 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/27942718/diagnosis-of-human-prion-disease-using-real-time-quaking-induced-conversion-testing-of-olfactory-mucosa-and-cerebrospinal-fluid-samples
#11
Matilde Bongianni, Christina Orrù, Bradley R Groveman, Luca Sacchetto, Michele Fiorini, Giovanni Tonoli, Giorgio Triva, Stefano Capaldi, Silvia Testi, Sergio Ferrari, Annachiara Cagnin, Anna Ladogana, Anna Poleggi, Elisa Colaizzo, Dorina Tiple, Luana Vaianella, Santina Castriciano, Daniele Marchioni, Andrew G Hughson, Daniele Imperiale, Tatiana Cattaruzza, Gian Maria Fabrizi, Maurizio Pocchiari, Salvatore Monaco, Byron Caughey, Gianluigi Zanusso
Importance: Early and accurate in vivo diagnosis of Creutzfeldt-Jakob disease (CJD) is necessary for quickly distinguishing treatable from untreatable rapidly progressive dementias and for future therapeutic trials. This early diagnosis is becoming possible using the real-time quaking-induced conversion (RT-QuIC) seeding assay, which detects minute amounts of the disease-specific pathologic prion protein in cerebrospinal fluid (CSF) or olfactory mucosa (OM) samples. Objective: To develop an algorithm for accurate and early diagnosis of CJD by using the RT-QuIC assay on CSF samples, OM samples, or both...
December 12, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27942349/the-risks-and-benefits-of-sun-exposure-2016
#12
REVIEW
David G Hoel, Marianne Berwick, Frank R de Gruijl, Michael F Holick
Public health authorities in the United States are recommending that men, women and children reduce their exposure to sunlight, based on concerns that this exposure will promote skin cancer. On the other hand, data show that increasing numbers of Americans suffer from vitamin D deficiencies and serious health problems caused by insufficient sun exposure. The body of science concerning the benefits of moderate sun exposure is growing rapidly, and is causing a different perception of sun/UV as it relates to human health...
January 2016: Dermato-endocrinology
https://www.readbyqxmd.com/read/27935555/algoplus%C3%A2-scale-in-older-patients-with%C3%A2-dementia-a-reliable-real-world-pain%C3%A2-assessment-tool
#13
Fiammetta Monacelli, Alessio Signori, Laura Roffredo, Katiuscia Pace, Alessio Nencioni, Gisele Pickering, Macian Nicolas, Patrizio Odetti
Pain is still a neglected clinical issue in elderly people with dementia and/or communicative disorders, with an unacceptable higher rate of under diagnosis and under treatment. Cognitive deficit and emotional and psychological disturbances entangle pain symptoms, affecting patient self-report. So far, observational pain tools do not have fully adequate clinimetric properties and quality requirements for easy-to-use daily rating. Older patients with dementia represent a clinical challenge. The assessment of pain is important for improving clinical outcomes, such as functional status, frailty trajectories, comorbidity, and quality of life...
December 5, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27929804/familial-creutzfeldt-jakob-disease-case-report-and-role-of-genetic-counseling-in-post-mortem-testing
#14
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/27921034/crowdsourcing-precision-cerebrovascular-health-imaging-and-cloud-seeding-a-million-brains-initiative%C3%A2
#15
David S Liebeskind
Crowdsourcing, an unorthodox approach in medicine, creates an unusual paradigm to study precision cerebrovascular health, eliminating the relative isolation and non-standardized nature of current imaging data infrastructure, while shifting emphasis to the astounding capacity of big data in the cloud. This perspective envisions the use of imaging data of the brain and vessels to orient and seed A Million Brains Initiative™ that may leapfrog incremental advances in stroke and rapidly provide useful data to the sizable population around the globe prone to the devastating effects of stroke and vascular substrates of dementia...
2016: Frontiers in Medicine
https://www.readbyqxmd.com/read/27905341/heidenhain-variant-of-creutzfeldt-jakob-disease-in-a-patient-who-had-bovine-bioprosthetic-valve-implantation
#16
Jehard Hashoul, Waleed Saliba, Irina Bloch, Haneen Jabaly-Habib
Creutzfeldt-Jakob disease (CJD) is a rare neurodegenerative disorder characterized by rapidly progressing dementia, general neurologic deterioration, and death. When the leading symptoms are visual disturbances, it is termed as the Heidenhain variant of CJD (HvCJD). CJD was reported following prion-contaminated pericardium transplants but never after bovine bioprosthetic cardiac valve. In this case report, we describe HvCJD in a patient who had a bovine bioprosthetic cardiac valve implant. An 82-year-old-woman was referred to neuro-ophthalmology clinic for unexplained visual loss that started 1 month previously...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27884882/lymphomatosis-cerebri-diagnostic-challenges-and-review-of-the-literature
#17
Paul J Lee, Idanis Berrios, Carolina Ionete, Thomas Smith
Lymphomatosis cerebri (LC) is a rare variant of a primary central nervous system non-Hodgkin's lymphoma (PCNSL) characterised by diffuse infiltration of tumour cells throughout the brain parenchyma. We present a 68-year-old immunocompetent woman with headaches, dizziness, blurred vision, localised right leg weakness and rapidly progressive dementia. A brain MRI demonstrated diffuse T2 hyperintense white matter lesions that did not enhance with contrast. The clinical differential diagnosis of these lesions included metastatic disease, infectious or inflammatory process such as sarcoidosis, lymphoma, demyelinating disease and less likely vascular aetiology, such as vasculitis or ischaemic stroke...
November 24, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27879455/diagnostic-care-pathways-in-dementia-a-review-of-the-involvement-of-primary-care-in-practice-and-innovation
#18
REVIEW
Christine E Wells, Sarah J Smith
OBJECTIVES: Increasing diagnostic rates of dementia is a national health priority; to meet this priority, improvement needs to be made to diagnostic services. It has been increasingly recognized that primary can play a significant role in the diagnostic journey for people with dementia, with some diagnostic services entirely located in primary care. This article reviews the extent of the involvement of primary care in diagnostic care pathways for people presenting with memory complaints within England, and presents examples of innovative approaches, which may be of interest to practitioners...
November 22, 2016: Journal of Primary Care & Community Health
https://www.readbyqxmd.com/read/27876002/sporadic-creutzfeldt-jakob-disease-with-unusual-initial-presentation-as-posterior-reversible-encephalopathy-syndrome-a-case-report
#19
Edgaras Dirzius, Renata Balnyte, Vesta Steibliene, Rymante Gleizniene, Inga Gudinaviciene, Andrius Radziunas, Kestutis Petrikonis
BACKGROUND: Creutzfeldt - Jakob disease (CJD) is a rapidly progressive and fatal neurodegenerative prion disease. MRI findings are included in diagnostic criteria for probable CJD, giving a sensitivity and specificity more than 90%, but the atypical radiological presentations in the early stage of the disease could cause the diagnostic difficulties. CJD can be definitively diagnosed by histopathological confirmation, brain biopsy or at autopsy. CASE PRESENTATION: We present a case of 53-year-old woman with a history of a rapidly progressive dementia with symptoms of visual impairment, increased extrapyramidal type muscle tonus, stereotypical movements and ataxic gait resulting in the patient's death after13 months...
November 22, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27870938/evaluation-of-%C3%AE-synuclein-as-a-novel-cerebrospinal-fluid-biomarker-in-different-forms-of-prion-diseases
#20
Franc Llorens, Niels Kruse, Matthias Schmitz, Nadine Gotzmann, Ewa Golanska, Katrin Thüne, Orgeta Zejneli, Eirini Kanata, Tobias Knipper, Maria Cramm, Peter Lange, Saima Zafar, Beata Sikorska, Pawel P Liberski, Eva Mitrova, Daniela Varges, Christian Schmidt, Theodoros Sklaviadis, Brit Mollenhauer, Inga Zerr
INTRODUCTION: Accurate diagnosis of prion diseases and discrimination from alternative dementias gain importance in the clinical routine, but partial overlap in cerebrospinal fluid (CSF) biomarkers impedes absolute discrimination in the differential diagnostic context. METHODS: We established the clinical parameters for prion disease diagnosis for the quantification of CSF α-synuclein in patients with sporadic (n = 234) and genetic (n = 56) prion diseases, in cases with cognitive impairment or dementia (n = 278), and in the neurologic control (n = 111) group...
November 18, 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
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