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Vascular dementia

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https://www.readbyqxmd.com/read/27911314/updating-the-evidence-on-the-association-between-serum-cholesterol-and-risk-of%C3%A2-late-life-dementia-review-and%C3%A2-meta-analysis
#1
Kaarin J Anstey, Kimberly Ashby-Mitchell, Ruth Peters
BACKGROUND: Cohort studies have reported that midlife high total serum cholesterol (TC) is associated with increased risk of Alzheimer's disease (AD) in late-life but findings have been based on few studies and previous reviews have been limited by a lack of compatible data. OBJECTIVE: We synthesized all high quality data from cohort studies reporting on the association between total serum cholesterol measured and late-life cognitive outcomes including Alzheimer's disease (AD), vascular dementia (VaD), any dementia, mild cognitive impairment (MCI), and cognitive decline...
November 29, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911311/risk-factors-and-pathological-substrates-associated-with-agitation-aggression-in-alzheimer-s-disease-a-preliminary-study-using-nacc-data
#2
Simrin Sennik, Tom A Schweizer, Corinne E Fischer, David G Munoz
BACKGROUND: Neuropsychiatric symptoms are common manifestations of Alzheimer's disease (AD). A number of studies have targeted psychosis, i.e., hallucinations and delusions in AD, but few have assessed agitation/aggression in AD. OBJECTIVE: To investigate the risk factors and pathological substrates associated with presence [A(+)] and absence [A(-)] of agitation/aggression (A) in autopsy-confirmed AD. METHODS: Data was collected from the UDS data as of 2015 on the NACC database...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911004/a-comparison-of-the-neuropsychological-profiles-of-people-living-in-squalor-without-hoarding-to-those-living-in-squalor-associated-with-hoarding
#3
Sook Meng Lee, Matthew Lewis, Deborah Leighton, Ben Harris, Brian Long, Stephen Macfarlane
OBJECTIVE: Squalor affects 1 in 1000 older people and is regarded as a secondary condition to other primary disorders such as dementia, intellectual impairment and alcohol abuse. Squalor frequently is associated with hoarding behaviour. We compared the neuropsychological profile of people living in squalor associated with hoarding to those presenting with squalor only. METHODS: This study is a retrospective case series of hospital inpatient and community healthcare services of 69 people living in squalor (49 from aged care, 16 from aged psychiatry, 3 from acute medical and 1 from a memory clinic)...
December 2, 2016: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/27909476/atrial-fibrillation-and-risk-of-dementia-cognitive-decline
#4
REVIEW
Anand D Shah Md, Faisal M Merchant Md, David B Delurgio Md
Emerging evidence suggests a link between atrial fibrillation and subsequent development of dementia. While a majority of risk can be attributed to cardioembolic stroke secondary to atrial fibrillation, additional risk is apparent, and may be driven by vascular inflammation and changes in cerebral perfusion. Medical therapies including anticoagulation, statin therapy, and angiotensin-renin-aldosterone axis antagonists may reduce dementia risk. Procedural therapies such as atrial fibrillation catheter ablation and left atrial appendage closure may also prove to be important mediators of acute and long-term risk...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909396/the-eye-as-a-biomarker-for-alzheimer-s-disease
#5
REVIEW
Jeremiah K H Lim, Qiao-Xin Li, Zheng He, Algis J Vingrys, Vickie H Y Wong, Nicolas Currier, Jamie Mullen, Bang V Bui, Christine T O Nguyen
Alzheimer's disease (AD) is a progressive neurodegenerative disorder resulting in dementia and eventual death. It is the leading cause of dementia and the number of cases are projected to rise in the next few decades. Pathological hallmarks of AD include the presence of hyperphosphorylated tau and amyloid protein deposition. Currently, these pathological biomarkers are detected either through cerebrospinal fluid analysis, brain imaging or post-mortem. Though effective, these methods are not widely available due to issues such as the difficulty in acquiring samples, lack of infrastructure or high cost...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27908711/cerebral-blood-flow-measured-by-arterial-spin-labeling-mri-at-resting-state-in-normal-aging-and-alzheimer-s-disease
#6
REVIEW
Nan Zhang, Marc L Gordon, Terry E Goldberg
Arterial spin labeling (ASL) magnetic resonance imaging uses arterial blood water as an endogenous tracer to measure cerebral blood flow (CBF). In this review, based on ASL studies in the resting state, we discuss state-of-the-art technical and data processing improvements in ASL, and ASL CBF changes in normal aging, mild cognitive impairment (MCI), Alzheimer's disease (AD), and other types of dementia. We propose that vascular and AD risk factors should be considered when evaluating CBF changes in aging, and that other validated biomarkers should be used as inclusion criteria or covariates when evaluating CBF changes in MCI and AD...
November 28, 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27906568/lower-death-risk-for-vascular-dementia-than-for-alzheimer-s-disease-with-postmenopausal-hormone-therapy-users
#7
Tomi S Mikkola, Hanna Savolainen-Peltonen, Pauliina Tuomikoski, Fabian Hoti, Pia Vattulainen, Mika Gissler, Olavi Ylikorkala
CONTEXT: There are conflicting data on postmenopausal hormone therapy (HT) and the risk of vascular dementia (VD) and Alzheimer's disease (AD). OBJECTIVE: We analyzed the mortality risk attributable to VD or AD in women with a history of HT use. Design, Patients, Interventions and Main Outcome Measures: A total of 489,105 Finnish women using systemic HT in 1994-2009 were identified from the nationwide drug reimbursement register. Of these women, 581 died of VD and 1057 of AD in 1998-2009...
December 1, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27905359/-clinical-and-neuropsychological-features-of-alzheimer-s-disease-in-the-combination-with-cerebrovascular-disease
#8
N A Trusova, O S Levin, A V Arablinsky
AIM: To study clinical/neuropsychological and neuroimaging characteristics of Alzheimer's disease in the combination with cerebrovascular disease (CVD). MATERIAL AND METHODS: Ninety patients with dementia, including 35 patients with AD, 35 patients with mixed dementia (MD) and 20 patients with vascular dementia, were examined. The character of dementia was established according to NINCDS-ADRDA and NINDS-AIREN criteria. The neuropsychological battery included Addenbrooke's Cognitive Examination (ACE-R), Montreal Cognitive Assessment scale (MoCA), fluency test and the visual memory test (SCT)...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27905355/-cerebral-microbleeds-in-cerebrovascular-and-neurodegenerative-diseases-with-cognitive-impairment
#9
T A Polyakova, O S Levin
AIM: To study a role of cerebral microbleeds (CMB) in the diagnosis of main cerebrovascular and neurodegenerative diseases with cognitive impairment. MATERIAL AND METHODS: CMB were studied in 120 patients with Alzheimer's disease (AD), dementia with Lewy bodies (DLB) and vascular dementia using 1.5T MRI in T2 * gradient echo. An impact of CMB on cognitive functions and the relationship with signs of vascular and neurodegenerative lesions of the brain were studied as well...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27904027/retinal-vascular-changes-and-prospective-risk-of-disabling-dementia-the-circulatory-risk-in-communities-study-circs
#10
Hiroshige Jinnouchi, Akihiko Kitamura, Kazumasa Yamagishi, Masahiko Kiyama, Hironori Imano, Takeo Okada, Renzhe Cui, Mitsumasa Umesawa, Isao Muraki, Mina Hayama-Terada, Ryo Kawasaki, Tomoko Sankai, Tetsuya Ohira, Hiroyasu Iso
AIM: To investigate the association of retinal vascular changes with a risk of dementia in longitudinal population-based study. METHODS: We performed a nested case-control study of 3,718 persons, aged 40-89 years, enrolled between 1983 and 2004. Retinal vascular changes were observed in 351 cases with disabling dementia (average period before the onset, 11.2 years) and in 702 controls matched for sex, age, and baseline year. Incidence of disabling dementia was defined as individuals who received cares for disabilities including dementia-related symptoms and/or behavioral disturbance...
December 1, 2016: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/27901381/effects-of-fisetin-on-hyperhomocysteinemia-induced-experimental-endothelial-dysfunction-and-vascular-dementia
#11
Boyina Hemanth Kumar, Ravula Arun Reddy, Jerald Mahesh Kumar, B Dinesh Kumar, Prakash V Diwan
This study was designed to investigate the effects of fisetin (FST) on hyperhomocysteinemia (HHcy)-induced experimental endothelial dysfunction (ED) and vascular dementia (VaD) in rats. Wistar rats were randomly divided into 8 groups: control, vehicle control, l-methionine, FST (5, 10, and 25 mg/kg, p.o.), FST-per se (25 mg/kg, p.o.), and donepezil (0.1 mg/kg, p.o.). l-Methionine administration (1.7 g/kg, p.o.) for 32 days induced HHcy. ED and VaD induced by HHcy were determined by vascular reactivity measurements, behavioral analysis using Morris water maze and Y-maze, along with a biochemical and histological evaluation of thoracic aorta and brain tissues...
August 11, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27900910/tv-soap-films-special-dementia-episode
#12
(no author information available yet)
Emmerdale, the ITV soap opera, will feature a storyline in which former vicar Ashley Thomas, played by John Middleton, is diagnosed with stroke-related early onset vascular dementia.
November 30, 2016: Nursing Older People
https://www.readbyqxmd.com/read/27899872/type-2-diabetes-cognition-and-dementia-in-older-adults-toward-a-precision-health-approach
#13
Brenna Cholerton, Laura D Baker, Thomas J Montine, Suzanne Craft
IN BRIEF There has been a concurrent dramatic rise in type 2 diabetes and dementia in the United States, and type 2 diabetes shares common genetic and environmental risk factors and underlying pathology with both vascular and Alzheimer's dementias. Given the ability to identify this at-risk population and a variety of potential targeted treatments, type 2 diabetes represents a promising focus for a precision health approach to reduce the impact of cognitive decline and dementia in older adults.
November 2016: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/27899749/long-term-risk-of-dementia-among-survivors-of-ischemic-or-hemorrhagic-stroke
#14
Priscila Corraini, Victor W Henderson, Anne G Ording, Lars Pedersen, Erzsébet Horváth-Puhó, Henrik T Sørensen
BACKGROUND AND PURPOSE: Stroke is a risk factor for dementia, but the risk of dementia after different stroke types is poorly understood. We examined the long-term risk of dementia among survivors of any first-time stroke and of first-time ischemic stroke, intracerebral hemorrhage, and subarachnoid hemorrhage. METHODS: We conducted a 30-year nationwide population-based cohort study using data from Danish medical databases (1982-2013) covering all Danish hospitals...
November 29, 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27895004/predictors-of-vascular-cognitive-impairment-poststroke-in-a-middle-eastern-bahrain-cohort-a-proposed-case-control-comparison
#15
Claire Donnellan, Mona Al Banna, Noor Redha, Adel Al Jishi, Isa Al Sharoqi, Safa Taha, Moiz Bakhiet, Fatema Abdulla, Patrick Walsh
BACKGROUND: Poststroke dementia and cognitive impairment are associated with poor long-term outcomes after stroke. The contribution of genetic factors such as the presence of apolipoprotein (ApoE) ɛ4 allele and its association with cognitive impairment poststroke remains inconclusive, particularly in Middle Eastern regions. OBJECTIVE: The aim of this study is to examine all correlates and potential predictors of cognitive impairment including self-awareness and regulation deficits in stroke patients and compare these functions with healthy older adults from a Middle Eastern population...
November 28, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27894893/the-blood-brain-barrier-in-alzheimer-s-disease
#16
REVIEW
A Chakraborty, N M de Wit, W M van der Flier, H E de Vries
Alzheimer's disease (AD) is the most common form of dementia, affecting millions of people worldwide. One of the prominent causative factors of AD pathogenesis is cerebral vascular dysfunction, which results in diminished cerebral perfusion. Moreover, due to the loss of the protective function of the blood-brain barrier (BBB), impaired clearance of excess neurotoxic amyloid beta (Aβ) occurs, causing vascular perturbation and diminished cognitive functioning. The relationship between the prevalence of AD and vascular risk factors is complex and not fully understood...
November 25, 2016: Vascular Pharmacology
https://www.readbyqxmd.com/read/27892636/impaired-retinal-vasoreactivity-an-early-marker-of-stroke-risk-in-diabetes
#17
Kerstin Bettermann, Julia Slocomb, Vikram Shivkumar, David Quillen, Thomas W Gardner, Mary E Lott
Diabetes is a common cause of small vessel disease leading to stroke and vascular dementia. While the function and structure of large cerebral vessels can be easily studied, the brain's microvasculature remains difficult to assess. Previous studies have demonstrated that structural changes in the retinal vessel architecture predict stroke risk, but these changes occur at late disease stages. Our goal was to examine whether retinal vascular status can predict cerebral small vessel dysfunction during early stages of diabetes...
November 28, 2016: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/27891726/everyday-conversation-in-dementia-a-review-of-the-literature-to-inform-research-and-practice
#18
REVIEW
Jacqueline Kindell, John Keady, Karen Sage, Ray Wilkinson
BACKGROUND: There has been increasing interest in dementia care in recent years, including how practitioners, service providers and society in general can help individuals to live well with the condition. An important aspect to this is provision of advice to ensure conversation partners effectively support the person with dementia in conversation. AIMS: To provide a descriptive review of the literature examining everyday conversation in dementia in order to inform practice and research...
November 27, 2016: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/27890830/time-course-of-glial-changes-in-the-hyperhomocysteinemia-model-of-vascular-cognitive-impairment-and-dementia-vcid
#19
Tiffany L Sudduth, Erica M Weekman, Brittani R Price, Jennifer L Gooch, Abigail Woolums, Christopher M Norris, Donna M Wilcock
Vascular cognitive impairment and dementia (VCID) is the second leading cause of dementia behind Alzheimer's disease (AD) and is a frequent co-morbidity with AD. Despite its prevalence, little is known about the molecular mechanisms underlying the cognitive dysfunction resulting from cerebrovascular disease. Astrocytic end-feet almost completely surround intraparenchymal blood vessels in the brain and express a variety of channels and markers indicative of their specialized functions in the maintenance of ionic and osmotic homeostasis and gliovascular signaling...
November 25, 2016: Neuroscience
https://www.readbyqxmd.com/read/27890723/global-gene-expression-changes-in-the-prefrontal-cortex-of-rabbits-with-hypercholesterolemia-and-or-hypertension
#20
Sau-Yeen Loke, Peter Tsun-Hon Wong, Wei-Yi Ong
Although many studies have identified a link between hypercholesterolemia or hypertension and cognitive deficits, till date, comprehensive gene expression analyses of the brain under these conditions is still lacking. The present study was carried out to elucidate differential gene expression changes in the prefrontal cortex (PFC) of New Zealand white rabbits exposed to hypercholesterolemia and/or hypertension with a view of identifying gene networks at risk. Microarray analyses of the PFC of hypercholesterolemic rabbits showed 850 differentially expressed genes (DEGs) in the cortex of hypercholesterolemic rabbits compared to controls, but only 5 DEGs in hypertensive rabbits compared to controls...
November 24, 2016: Neurochemistry International
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