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https://www.readbyqxmd.com/read/28532183/treatment-options-and-considerations-for-hypertensive-patients-to-prevent-dementia
#1
Intza Hernandorena, Emmanuelle Duron, Jean Sebastien Vidal, Olivier Hanon
BACKGROUND: Dementia is a worldwide health concern, which leads to loss of autonomy. To date no curative treatment is available so focus on modifiable risk factors is of particular interest. Hypertension, particularly midlife high blood pressure, has been associated with an increased risk for cognitive decline and dementia including vascular dementia (Vad) and Alzheimer Disease (AD). In this context, antihypertensive treatments might have a preventive effect. OBJECTIVES: To examine the relationship between antihypertensive therapy and cognitive decline or dementia...
May 23, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28531378/cognitive-ability-in-young-adulthood-and-risk-of-dementia-in-a-cohort-of-danish-men-brothers-and-twins
#2
Merete Osler, Gunhild T Christensen, Ellen Garde, Erik L Mortensen, Kaare Christensen
INTRODUCTION: We examined the association between cognitive ability in young adulthood and dementia in Danish men, brothers, and male twins. METHODS: In total, 666,986 men born between 1939 and 1959 were identified for dementia diagnosis in national registries from 1969 to 2016. The association between cognitive ability from draft board examination and dementia was examined using Cox regression. RESULTS: During a 44-year follow-up, 6416 (0...
May 19, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28527212/apolipoprotein-e4-gender-body-mass-index-inflammation-insulin-resistance-and-air-pollution-interactions-recipe-for-alzheimer-s-disease-development-in-mexico-city-young-females
#3
Lilian Calderón-Garcidueñas, Suzanne M de la Monte
Given the epidemiological trends of increasing Alzheimer's disease (AD) and growing evidence that exposure and lifestyle factors contribute to AD risk and pathogenesis, attention should be paid to variables such as air pollution, in order to reduce rates of cognitive decline and dementia. Exposure to fine particulate matter (PM2.5) and ozone (O3) above the US EPA standards is associated with AD risk. Mexico City children experienced pre- and postnatal high exposures to PM2.5, O3, combustion-derived iron-rich nanoparticles, metals, polycyclic aromatic hydrocarbons, and endotoxins...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28516990/cross-talk-between-neurometals-and-amyloidogenic-proteins-at-the-synapse-and-the-pathogenesis-of-neurodegenerative-diseases
#4
REVIEW
M Kawahara, M Kato-Negishi, K Tanaka
Increasing evidence suggests that disruption of metal homeostasis contributes to the pathogenesis of various neurodegenerative diseases, including Alzheimer's disease, prion diseases, Lewy body diseases, and vascular dementia. Conformational changes of disease-related proteins (amyloidogenic proteins), such as β-amyloid protein, prion proteins, and α-synuclein, are well-established contributors to neurotoxicity and to the pathogenesis of these diseases. Recent studies have demonstrated that these amyloidogenic proteins are metalloproteins that bind trace elements, including zinc, iron, copper, and manganese, and play significant roles in the maintenance of metal homeostasis...
May 18, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28515342/clinical-presentations-and-epidemiology-of-vascular-dementia
#5
REVIEW
Eric E Smith
Cerebrovascular and cardiovascular diseases cause vascular brain injury that can lead to vascular cognitive impairment (VCI). VCI is the second most common neuropathology of dementia and mild cognitive impairment (MCI), accounting for up to one-third of the population risk. It is frequently present along with other age-related pathologies such as Alzheimer's disease (AD). Multiple etiology dementia with both VCI and AD is the single most common cause of later life dementia. There are two main clinical syndromes of VCI: post-stroke VCI in which cognitive impairment is the immediate consequence of a recent stroke and VCI without recent stroke in which cognitive impairment is the result of covert vascular brain injury detected only on neuroimaging or neuropathology...
June 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28515159/intermittent-fasting-pretreatment-prevents-cognitive-impairment-in-a-rat-model-of-chronic-cerebral-hypoperfusion
#6
Yuan Hu, Ying Yang, Miao Zhang, Min Deng, Jun-Jian Zhang
Background: Whether intermittent fasting (IF) pretreatment can prevent vascular cognitive dysfunction remains unknown to our knowledge.Objective: We investigated the effects and underlying mechanisms of IF pretreatment on cognitive dysfunction in a permanent 2-vessel occlusion (2VO) vascular dementia rat model.Methods: Male Wistar rats weighing 200 g were subjected to either IF or ad libitum feeding for 12 wk before 2VO surgery. Rats in the IF protocol underwent alternative-day feed deprivation (FD). Memory of the animals was assessed by using the Morris water maze (MWM) and the novel object recognition (NOR) test 6 wk after the surgery...
May 17, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28515043/brain-perivascular-macrophages-initiate-the-neurovascular-dysfunction-of-alzheimer-a%C3%AE-peptides
#7
Laibaik Park, Ken Uekawa, Lidia Garcia-Bonilla, Kenzo Koizumi, Michelle Murphy, Rose Pitstick, Linda H Younkin, Steven G Younkin, Ping Zhou, Geroge A Carlson, Josef Anrather, Costantino Iadecola
Rationale: Increasing evidence indicates that alterations of the cerebral microcirculation may play a role in Alzheimer's disease (AD), the leading cause of late-life dementia. The amyloid-β peptide (Aβ), a key pathogenic factor in AD, induces profound alterations in neurovascular regulation through the innate immunity receptor CD36, which, in turn, activates a Nox2-containing NADPH oxidase leading to cerebrovascular oxidative stress. Brain perivascular macrophages (PVM) located in the perivascular space, a major site of brain Aβ collection and clearance, are juxtaposed to the wall of intracerebral resistance vessels and are a powerful source of reactive oxygen species (ROS)...
May 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28510619/diabetes-and-cognitive-decline-in-older-adults-the-ginkgo-evaluation-of-memory-study
#8
Priya Palta, Michelle C Carlson, Rosa M Crum, Elizabeth Colantuoni, A Richey Sharrett, Sevil Yasar, Richard L Nahin, Steven T DeKosky, Beth Snitz, Oscar Lopez, Jeff D Williamson, Curt D Furberg, Stephen R Rapp, Sherita Hill Golden
Background: Previous studies have shown that individuals with diabetes exhibit accelerated cognitive decline. However, methodological limitations have limited the quality of this evidence. Heterogeneity in study design, cognitive test administration, and methods of analysis of cognitive data have made it difficult to synthesize and translate findings to practice. We analyzed longitudinal data from the Ginkgo Evaluation of Memory Study to test our hypothesis that older adults with diabetes have greater test-specific and domain-specific cognitive declines compared to older adults without diabetes...
May 16, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28509727/lower-dementia-risk-with-different-classes-of-antihypertensive-medication-in-older-patients
#9
Tessa van Middelaar, Lonneke A van Vught, Eric P Moll van Charante, Lisa S M Eurelings, Suzanne A Ligthart, Jan W van Dalen, Bert Jan H van den Born, Edo Richard, Pim W A van Gool
OBJECTIVE: Use of antihypertensive medication (AHM) is potentially associated with a reduced risk of dementia. Both calcium channel blockers (CCBs) and angiotensin receptor blockers (ARBs) are suggested to have a more pronounced protective effect. We aimed to study the association between different classes of AHM and dementia in older people. METHODS: A subgroup of community-dwelling older people using AHM included in the 'Prevention of Dementia by Intensive Vascular Care' randomized controlled trial was studied...
May 13, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28509343/the-influence-of-vascular-risk-factors-on-cognitive-function-in-early-parkinson-s-disease
#10
Maxime Doiron, Mélanie Langlois, Nicolas Dupré, Martine Simard
OBJECTIVES: Hypertension, dyslipidemia, diabetes, and obesity are well-established risk factors for cognitive impairment and dementia in older adults. In contrast, previous studies that have assessed the impact of vascular risk factors (VRFs) on cognition in Parkinson's disease (PD) have had methodological limitations and reported conflicting findings. We address this question in a large well-characterized cohort of de novo PD patients. METHODS: A total of 367 untreated and non-demented patients aged 50 years and older with early PD (H&Y = 1...
May 16, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28507532/spectral-domain-optical-coherence-tomography-as-a-new-diagnostic-marker-for-idiopathic-normal-pressure-hydrocephalus
#11
Joana M Afonso, Manuel Falcão, Frank Schlichtenbrede, Fernando Falcão-Reis, Sérgio Estrela Silva, Till M Schneider
PURPOSE: Characterized by a progressive onset of gait disturbances, dementia, and urinary incontinence, idiopathic normal pressure hydrocephalus (iNPH) is considered a rare, but under-diagnosed disease. Non-invasive diagnostic markers are still insufficient to enable the diagnosis of iNPH with certainty and yet early treatment with ventriculoperitoneal (VP) shunting can reverse symptoms and stop disease progression. Vascular circulation abnormalities in iNPH may be reflected by changes in subfoveal and peripapillary choroidal thickness (PPChT)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28505971/lipid-peroxidation-markers-in-coronary-artery-disease-patients-with-possible-vascular-mild-cognitive-impairment
#12
Ivonne Suridjan, Nathan Herrmann, Alex Adibfar, Mahwesh Saleem, Ana Andreazza, Paul I Oh, Krista L Lanctôt
This study examined associations between lipid peroxidation markers and cognition, and associations between these markers and cognitive response to an exercise intervention program, in adults with coronary artery disease at risk of dementia. Lipid peroxidation products were measured in serum in 118 patients (29 possible vascular mild cognitive impairment and 89 controls). Ratios of early- (lipid hydroperoxides, LPH) to late-stage (8-isoprostane, 8-ISO; 4-hydroxy-2-nonenal, 4-HNE) lipid peroxidation products were calculated...
May 11, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28503814/diabetes-mellitus-and-risk-of-early-onset-alzheimer-s-disease-a-population-based-case-control-study
#13
K Kadohara, I Sato, K Kawakami
BACKGROUND AND PURPOSE: Previous studies have reported that diabetes is a risk factor for both all-cause and vascular dementia; however, diabetes as a risk factor for Alzheimer's disease (AD) remains controversial. Therefore, the aim was to elucidate the association between diabetes and early-onset AD. METHODS: A case-control study was conducted using a population-based database that included medical and pharmacy claims and insurance eligibility data, from beneficiaries of corporate employees and their dependent family members...
May 15, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28498386/atorvastatin-inhibits-cholesterol-induced-caspase-3-cleavage-through-down-regulation-of-p38-and-up-regulation-of-bcl-2-in-the-rat-carotid-artery
#14
Roshanak Bayatmakoo, Nadereh Rashtchizadeh, Parichehreh Yaghmaei, Mehdi Farhoudi, Pouran Karimi
AIM: Atherosclerotic lesions in the carotid arteries lead to a broad range of cerebrovascular disorders such as vascular dementia and ischaemic stroke. Recent studies have verified the beneficial role of atorvastatin (AV) in atherosclerosis. Despite a large body of studies, the mechanisms underlying this effect have not been completely explained. In this study, several experiments were performed on atherosclerotic rat models to investigate the anti-inflammatory and anti-apoptotic effect of AV in the carotid artery...
May 5, 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28492999/physical-activity-improves-cognition-possible-explanations
#15
REVIEW
Blanka Koščak Tivadar
Good cognitive abilities (CA) enable autonomy, improve social inclusion and act preventively. Regular physical activity (PA) reduces the risk of developing Alzheimer's disease (AD) and, at the same time, it reduces the decline of CA and stimulates neurogenesis. So PA in connection with cognitive training, nutrition and social interaction has a positive effect on general CA and the central nervous system, the central executor, memory and attention, and reduces the likelihood of developing dementia. Our objective was to examine which sort and intensity of PA is preferred...
May 10, 2017: Biogerontology
https://www.readbyqxmd.com/read/28492093/higher-prevalence-of-cerebral-white-matter-hyperintensities-in-homozygous-apoe-%C3%A9-4-allele-carriers-aged-45-75-results-from-the-alfa-study
#16
Santiago Rojas, Anna Brugulat-Serrat, Nuria Bargalló, Carolina Minguillón, Alan Tucholka, Carles Falcon, Andreia Carvalho, Sebastian Morán, Manel Esteller, Nina Gramunt, Karine Fauria, Jordi Camí, José L Molinuevo, Juan D Gispert
Cerebral white matter hyperintensities are believed the consequence of small vessel disease and are associated with risk and progression of Alzheimer's disease. The ɛ4 allele of the APOE gene is the major factor accountable for Alzheimer's disease heritability. However, the relationship between white matter hyperintensities and APOE genotype in healthy subjects remains controversial. We investigated the association between APOE-ɛ4 and vascular risk factors with white matter hyperintensities, and explored their interactions, in a cohort of cognitively healthy adults (45-75 years)...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28491285/midlife-interventions-are-critical-in-prevention-delay-or-improvement-of-alzheimer-s-disease-and-vascular-cognitive-impairment-and-dementia
#17
Sam Gandy, Tamas Bartfai, Graham V Lees, Mary Sano
The basic strategy for focusing exclusively on genetically identified targets for intervening in late life dementias was formulated 30 years ago.  Three decades and billions of dollars later, all efforts at disease-modifying interventions have failed.  Over that same period, evidence has accrued pointing to dementias as late-life clinical phenotypes that begin as midlife pathologies.  Effective prevention therefore may need to begin in midlife, in order to succeed. No current interventions are sufficiently safe to justify their use in midlife dementia prevention trials...
2017: F1000Research
https://www.readbyqxmd.com/read/28490880/protective-efficacy-of-a-single-salvianolic-acid-a-treatment-on-photothrombosis-induced-sustained-spatial-memory-impairments
#18
Chun-Xiang Jiao, Heng Zhou, Chun-Xian Yang, Chen Ma, Yue-Xiong Yang, Rong-Rong Mao, Lin Xu, Qi-Xin Zhou
With respect to the high burden of ischemic stroke and the absence of pharmacological treatment for promoting rehabilitation, promising candidates with specific effects on long-term functional recovery are highly desired. Candidates need reasonable experimental paradigms to evaluate the long-term functional outcome focused on ischemia-induced sensorimotor and memory deficits. "Danshen", a traditional Chinese herb, has long been used to treat coronary and cerebral vascular diseases as well as dementia. Salvianolic acid A (SAA), one of the major active ingredients of Danshen, was demonstrated to be effective in protecting against cerebral ischemic injury...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28490314/pain-experience-in-dementia-subtypes-a-systematic-review
#19
Tarik T Binnekade, Janime Van Kooten, Frank Lobbezoo, Didi Rhebergen, J C Van der Wouden, Martin Smalbrugge, Erik J A Scherder
Recently, the number of studies focusing on pain in dementia has increased considerably. Still, little attention has been paid to the influence of the neuropathology of different dementia subtypes on pain experience. In 2003, a review identified several studies that indicated a relation between dementia subtype and pain experience. Now, ten years later, an update is warranted. We conducted a systematic review to identify studies that assessed pain experience and dementia subtypes by searching PubMed, Embase, PsycINFO, CINAHL, and Cochrane Library...
2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28488553/-is-dementia-preventable-through-intensive-vascular-care-the-prediva-trial
#20
E P Moll van Charante, E Richard, L S Eurelings, J W van Dalen, S A Ligthart, E F van Bussel, M P Hoevenaar-Blom, M Vermeulen, W A van Gool
OBJECTIVE: To assess whether intensive vascular care in GP practices can prevent dementia in a population of community-dwelling older people. METHOD: This pragmatic cluster-randomised open-label study (ISRCTN29711771) was conducted in persons aged 70-78 years who were registered with Dutch GP practices. The only exclusion criteria were a diagnosis of dementia and limited life expectancy. Practices were randomly assigned to an intervention arm or a control arm. Participants in the interventional arm underwent a cardiovascular check-up every 4 months for six years by a practice nurse...
2017: Nederlands Tijdschrift Voor Geneeskunde
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