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AGEs and dementia

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https://www.readbyqxmd.com/read/29340569/associations-of-the-top-20-alzheimer-disease-risk-variants-with-brain-amyloidosis
#1
Liana G Apostolova, Shannon L Risacher, Tugce Duran, Eddie C Stage, Naira Goukasian, John D West, Triet M Do, Jonathan Grotts, Holly Wilhalme, Kwangsik Nho, Meredith Phillips, David Elashoff, Andrew J Saykin
Importance: Late-onset Alzheimer disease (AD) is highly heritable. Genome-wide association studies have identified more than 20 AD risk genes. The precise mechanism through which many of these genes are associated with AD remains unknown. Objective: To investigate the association of the top 20 AD risk variants with brain amyloidosis. Design, Setting, and Participants: This study analyzed the genetic and florbetapir F 18 data from 322 cognitively normal control individuals, 496 individuals with mild cognitive impairment, and 159 individuals with AD dementia who had genome-wide association studies and 18F-florbetapir positron emission tomographic data from the Alzheimer's Disease Neuroimaging Initiative (ADNI), a prospective, observational, multisite tertiary center clinical and biomarker study...
January 16, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29338817/correlation-of-stress-hyperglycemia-after-ischemic-stroke-with-early-vascular-cognitive-impairment
#2
Yi Dong Zhou, Huai Wu Yuan, Ren Jie Ji, Ben Yan Luo
Objective To investigate the influence and forecast value of stress hyperglycemia on the early vascular cognitive impairment (VCI) in stroke patients.Methods Totally 422 patients with acute non-diabetic stroke were divided into three groups according to the fasting plasma glucose level:the euglycemia group (<6.1 mmol/L),the mild stress hyperglycemia group (6.1-7.0 mmol/L),and the severe stress hyperglycemia group (≥7.0 mmol/L).Mini-mental state examination,Alzheimer's disease rating scale cognitive subscale,and clinical dementia rating scale were used to evaluate early cognition in post-stroke patients,and patients were divided into three groups accordingly:normal cognitive function group,mild VCI group,and vascular dementia group...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29338663/cultural-competency-in-dementia-care-an-african-american-case-study
#3
Jennie Leeder Clark, Sarah Phoenix, Ann Choryan Bilbrey, Terese McManis, Kristel Anne Escal, Rohini Arulanantham, Tiana Sisay, Rita Ghatak
Age is the greatest risk factor for Alzheimer's disease, the most common cause of dementia. The older population in the United States is growing, and within this demographic ethnic and racial diversity is also on the rise. This article introduces Stanford Health Care's Memory Support Program (MSP) as a model for culturally competent dementia care that spans inpatient and outpatient settings. The case study of an African American patient and family dealing with an Alzheimer's disease diagnosis and comorbid conditions is presented and explored to illustrate the MSP model...
December 26, 2017: Clinical Gerontologist
https://www.readbyqxmd.com/read/29338302/neurotransmitter-pathway-genes-in-cognitive-decline-during-aging-evidence-for-gng4-and-kcnq2-genes
#4
Luke W Bonham, Daniel S Evans, Yongmei Liu, Steven R Cummings, Kristine Yaffe, Jennifer S Yokoyama
BACKGROUND/RATIONALE: Experimental studies support the role of neurotransmitter genes in dementia risk, but human studies utilizing single variants in candidate genes have had limited success. METHODS: We used the gene-based testing program Versatile Gene-based Association Study to assess whether aggregate variation across 6 neurotransmitter pathways influences risk of cognitive decline in 8159 cognitively normal elderly (≥65 years old) adults from 3 community-based cohorts...
January 1, 2018: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/29337859/effects-of-pharmacists-interventions-on-inappropriate-drug-use-and-drug-related-readmissions-in-people-with-dementia-a-secondary-analysis-of-a-randomized-controlled-trial
#5
Maria Gustafsson, Maria Sjölander, Bettina Pfister, Jörn Schneede, Hugo Lövheim
Age-associated physiological changes and extensive drug treatment including use of potentially inappropriate medications (PIMs) pose a significant risk of drug-drug interactions and adverse drug events among elderly people with dementia. This study aimed at analysing the effects of clinical pharmacists' interventions on use of PIMs, risk of emergency department visits, and time to institutionalization. Furthermore, a descriptive analysis was conducted of circumstances associated with drug-related readmissions...
January 16, 2018: Pharmacy (Basel, Switzerland)
https://www.readbyqxmd.com/read/29336840/heterozygous-tyrobp-deletion-ploslfin-is-not-a-strong-risk-factor-for-cognitive-impairment
#6
Karri Kaivola, Lilja Jansson, Elmo Saarentaus, Anna Kiviharju, Ville Rantalainen, Johan G Eriksson, Timo E Strandberg, Tuomo Polvikoski, Liisa Myllykangas, Pentti J Tienari
Biallelic loss-of-function mutations in TYROBP and TREM2 cause a rare disease that resembles early-onset frontotemporal dementia with bone lesions called polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy (PLOSL). Some PLOSL-causing variants in TREM2 have also been associated with Alzheimer's disease when heterozygous. Here, we studied the PLOSLFINTYROBP deletion that covers 4 of the gene's 5 exons. We genotyped 3220 older Finns (mean age 79, range 58-104) and found 11 deletion carriers (mean age 78, range 60-94)...
December 18, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29336167/does-personal-experience-of-dementia-change-attitudes-the-bristol-and-south-gloucestershire-survey-of-dementia-attitudes
#7
Richard Cheston, Jude Hancock, Paul White
Background It is unclear how attitudes towards people with dementia are formed and whether, for instance, increased contact with people with dementia, either through work or personal experience alters attitudes. This study used a validated questionnaire (the Approaches to Dementia Questionnaire) to examine whether having experience of dementia (either as a result of work, or by being affected by dementia) is associated with differences in attitudes towards dementia. Methods A modified version of the Approaches to Dementia Questionnaire was completed by 2201 participants, either online or in written form...
January 1, 2018: Dementia
https://www.readbyqxmd.com/read/29336097/identification-of-dementia-using-standard-clinical-assessments-by-primary-care-physicians-in-japan
#8
Hiroyuki Noda, Kazumasa Yamagishi, Ai Ikeda, Takashi Asada, Hiroyasu Iso
AIM: The aim of the present study was to develop a way of identifying dementia using clinical assessments made by primary care physicians under the existing medical care system in Japan. METHODS: A total of 623 people aged ≥65 years underwent standard clinical assessments by primary care physicians under the long-term-care insurance program to determine their grade of activities of daily living related to dementia. To examine the validity of the diagnosis, neuropsychiatrists carried out further diagnosis of dementia for all the participants...
January 16, 2018: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29335318/longitudinal-effect-of-stroke-on-cognition-a-systematic-review
#9
REVIEW
Eugene Yh Tang, Obreniokibo Amiesimaka, Stephanie L Harrison, Emma Green, Christopher Price, Louise Robinson, Mario Siervo, Blossom Cm Stephan
BACKGROUND: Stroke is associated with an increased risk of dementia; however, the impact of stroke on cognition has been found to be variable, such that stroke survivors can show decline, remain stable, or revert to baseline cognitive functioning. Knowing the natural history of cognitive impairment after stroke is important for intervention. The aim of this systematic review is to investigate the longitudinal course of cognitive function in stroke survivors. METHODS AND RESULTS: Three electronic databases (Medline, Embase, PsycINFO) were searched using OvidSP from inception to July 15, 2016...
January 15, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29335033/should-capacity-assessments-be-performed-routinely-prior-to-discussing-advance-care-planning-with-older-people
#10
Oleg Kiriaev, Emme Chacko, J D Jurgens, Meagan Ramages, Phillipa Malpas, Gary Cheung
BACKGROUND: People with dementia receive worse end of life care compared to those with cancer. Barriers to undertaking advanced care planning (ACP) in people with dementia include the uncertainty about their capacity to engage in such discussions. The primary aim of this study was to compare the Advance Care Planning-Capacity Assessment Vignette tool (ACP-CAV) with a semi-structured interview adapted from the MacArthur Competence Assessment Tool-Treatment (MacCAT-T). The secondary aim was to identify demographic and cognitive functioning variables that may predict whether a person has capacity to discuss ACP...
January 16, 2018: International Psychogeriatrics
https://www.readbyqxmd.com/read/29334922/relative-contribution-of-various-chronic-diseases-and-multi-morbidity-to-potential-disability-among-dutch-elderly
#11
Riaan Botes, Karin M Vermeulen, Janine Correia, Erik Buskens, Fanny Janssen
BACKGROUND: The amount of time spent living with disease greatly influences elderly people's wellbeing, disability and healthcare costs, but differs by disease, age and sex. METHODS: We assessed how various single and combined diseases differentially affect life years spent living with disease in Dutch elderly men and women (65+) over their remaining life course. Multistate life table calculations were applied to age and sex-specific disease prevalence, incidence and death rates for the Netherlands in 2007...
January 15, 2018: BMC Health Services Research
https://www.readbyqxmd.com/read/29334498/evidence-based-interpretation-of-amyloid-%C3%AE-pet-results-a-clinician-s-tool
#12
David Bergeron, Rik Ossenkoppele, Robert Jr Laforce
BACKGROUND: Amyloid-β positron emission tomography (PET) allows for in vivo detection of fibrillar amyloid plaques, a pathologic hallmark of Alzheimer's disease (AD). However, amyloid-β PET interpretation is limited by the imperfect correlation between PET and autopsy, and the fact that it is positive in about 20% to 30% of cognitively normal individuals and non-AD dementias, especially when older or carrying the ε4 allele of apolipoprotein E (ApoE4). When facing a positive amyloid PET, clinicians have to evaluate the probability of a pathologic false positive as well as the probability of amyloid positivity being age-related, comorbid to a primary non-AD dementia (clinicopathologic false positive)...
January 12, 2018: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/29332552/practitioner-views-on-the-impacts-challenges-and-barriers-in-supporting-older-survivors-of-sexual-violence
#13
Hannah Bows
Despite half a century of research on both sexual violence and elder abuse, the intersection between the two remains largely unexplored. Using theoretical lenses of feminist criminology and critical feminist gerontology, this article explores the intersection between age and sexual violence drawing on interviews with 23 practitioners supporting older survivors (aged 60 and over). They reported physical and emotional effects of sexual violence leading to limited lifestyles, disengagement from social networks, and reliance on pathogenic coping strategies...
October 1, 2017: Violence Against Women
https://www.readbyqxmd.com/read/29332054/dementia-and-atrial-fibrillation-a-dangerous-combination-for-ischemic-stroke-and-mortality
#14
Daniele Pastori, Kazuo Miyazawa, Gregory Y H Lip
The risk of developing dementia is increased in patients with atrial fibrillation (AF), with the incidence of both conditions increasing with aging. Patients with dementia frequently do not receiving adequate thrombo-prophylaxis, because of the inability to monitor INR and/or to achieve and maintain good compliance with anticoagulant treatment. Under-treatment is therefore an important contributor to the increased risk of ischemic stroke and mortality in this subgroup of AF patients. In newly-diagnosed patients with AF starting oral anticoagulation, the presence of cognitive impairment should be considered in addition to the calculation of the SAMe-TT2R2 score, as part of an integrated decision management pathway to choose the most appropriate oral anticoagulant [i...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29332036/relationships-between-lower-olfaction-and-brain-white-matter-lesions-in-elderly-subjects-with-mild-cognitive-impairment
#15
Juliette Heinrich, Jean-Sébastien Vidal, Axelle Simon, Anne-Sophie Rigaud, Olivier Hanon, Jacques Epelbaum, Cecile Viollet, Emmanuelle Duron
BACKGROUND: Olfactory impairment is reported in mild cognitive impairment (MCI) and Alzheimer's disease (AD) and is associated with hippocampal atrophy. In elderly people, dementia with AD neuropathology and white matter lesions (WML) is common. In this context, olfactory impairment could also depend on the presence of WML. OBJECTIVE: To assess the cross-sectional relationship between olfaction and WML in elderly subjects with MCI. METHODS: Consecutive subjects, >65 years old, diagnosed as MCI after a comprehensive neuropsychological assessment in an expert memory center, with a brain MRI performed within a year and without major depressive state, were included...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29332010/oligogenic-genetic-variation-of-neurodegenerative-disease-genes-in-980-postmortem-human-brains
#16
Michael J Keogh, Wei Wei, Juvid Aryaman, Ian Wilson, Kevin Talbot, Martin R Turner, Chris-Anne McKenzie, Claire Troakes, Johannes Attems, Colin Smith, Safa Al Sarraj, Chris M Morris, Olaf Ansorge, Stuart Pickering-Brown, Nick Jones, James W Ironside, Patrick F Chinnery
BACKGROUND: Several studies suggest that multiple rare genetic variants in genes causing monogenic forms of neurodegenerative disorders interact synergistically to increase disease risk or reduce the age of onset, but these studies have not been validated in large sporadic case series. METHODS: We analysed 980 neuropathologically characterised human brains with Alzheimer's disease (AD), Parkinson's disease-dementia with Lewy bodies (PD-DLB), frontotemporal dementia-amyotrophic lateral sclerosis (FTD-ALS) and age-matched controls...
January 13, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29330643/antihypertensive-medication-and-dementia-risk-in-older-adult-african-americans-with-hypertension-a-prospective-cohort-study
#17
Michael D Murray, Hugh C Hendrie, Kathleen A Lane, Mengjie Zheng, Roberta Ambuehl, Shanshan Li, Frederick W Unverzagt, Christopher M Callahan, Sujuan Gao
BACKGROUND: African Americans are especially at risk of hypertension and dementia. Antihypertensive medications reduce the risk of cardiovascular events, but may also reduce the risk of dementia. OBJECTIVE: To assess the longitudinal effects of antihypertensive medications and blood pressure on the onset of incident dementia in a cohort of African Americans. DESIGN: Prospective cohort. PARTICIPANTS: 1236 community-dwelling patients from an inner-city public health care system, aged 65 years and older, with a history of hypertension but no history of dementia, and who had at least three primary care visits and a prescription filled for any medication...
January 12, 2018: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29329798/efficacy-of-warfarin-anticoagulation-and-incident-dementia-in-a-community-based-cohort-of-atrial-fibrillation
#18
Malini Madhavan, Tiffany Y Hu, Bernard J Gersh, Veronique L Roger, Jill Killian, Susan A Weston, Jonathan Graff-Radford, Samuel J Asirvatham, Alanna M Chamberlain
OBJECTIVE: To study the association between time in therapeutic range (TTR) during warfarin therapy and risk of dementia in a population-based cohort of incident atrial fibrillation (AF). PATIENTS AND METHODS: We conducted an observational population-based study of 2800 nondemented patients with incident AF from January 1, 2000, through December 31, 2010. The association of incident dementia with warfarin therapy and TTR was examined using Cox proportional hazards regression models...
January 9, 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29329363/validity-of-teleneuropsychological-assessment-in-older-patients-with-cognitive-disorders
#19
Hannah E Wadsworth, Kaltra Dhima, Kyle B Womack, John Hart, Myron F Weiner, Linda S Hynan, C Munro Cullum
Objective: The feasibility and reliability of neuropsychological assessment at a distance have been demonstrated, but the validity of this testing medium has not been adequately demonstrated. The purpose of this study was to determine the ability of video teleconferencing administration of neuropsychological measures (teleneuropsychology) in discriminating cognitively impaired from non-impaired groups of older adults. It was predicted that measures administered via video teleconference would distinguish groups and that the magnitude of differences between impaired and non-impaired groups would be similar to group differences achieved in traditional administration...
January 10, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29328926/dna-damage-associated-oligodendrocyte-degeneration-precedes-amyloid-pathology-and-contributes-to-alzheimer-s-and-dementia
#20
Kai-Hei Tse, Aifang Cheng, Fulin Ma, Karl Herrup
INTRODUCTION: In looking for novel non-amyloid-based etiologies for Alzheimer's disease, we explore the hypothesis that age-related myelin loss is an attractive explanation for age-associated cognitive decline and dementia. METHODS: We performed a meta-analysis of data in the National Alzheimer's Coordinating Center database accompanied by quantitative histopathology of myelin and oligodendrocytes (OLs) in frontal cortices of 24 clinically characterized individuals...
January 9, 2018: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
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