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Vascular dementia survival

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https://www.readbyqxmd.com/read/28424272/trends-in-dementia-prevalence-incidence-and-survival-rate-in-a-japanese-community
#1
Tomoyuki Ohara, Jun Hata, Daigo Yoshida, Naoko Mukai, Masaharu Nagata, Toru Iwaki, Takanari Kitazono, Shigenobu Kanba, Yutaka Kiyohara, Toshiharu Ninomiya
OBJECTIVE: To investigate secular trends in the prevalence, incidence, and survival rate of dementia in a Japanese elderly population in a comprehensive manner. METHODS: Five cross-sectional surveys of dementia were conducted among residents of a Japanese community, aged ≥65 years, in 1985, 1992, 1998, 2005, and 2012. We also established 2 cohorts consisting of the residents of this age group without dementia in 1988 (n = 803) and 2002 (n = 1,231), and each was followed for 10 years...
April 19, 2017: Neurology
https://www.readbyqxmd.com/read/28393276/leukocyte-telomere-length-is-linked-to-vascular-risk-factors-not-to-alzheimer-s-disease-in-the-vita-study
#2
Margareta Hinterberger, Peter Fischer, Klaus Huber, Walter Krugluger, Sonja Zehetmayer
Association of telomere shortening with overall dementia or Alzheimer's disease is described controversially and the pathophysiologic relevance is unclear. Whether patients, suffering from pure probable Alzheimer's disease or pure vascular dementia, have shorter leukocyte telomeres than cognitively healthy controls was determined. Leukocyte telomere lengths (LTLs) of 597 participants of the VITA study (longitudinal community-based age-cohort [mean 75.7 (±0.45) years] study: 243 male; 578 non-demented at baseline) were compared with different aspects of cognition, risk factors of dementia and survival...
April 9, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28350817/differential-associations-of-plasma-lipids-with-incident-dementia-and-dementia-subtypes-in-the-3c-study-a-longitudinal-population-based-prospective-cohort-study
#3
Sabrina Schilling, Christophe Tzourio, Aïcha Soumaré, Sara Kaffashian, Jean-François Dartigues, Marie-Laure Ancelin, Cécilia Samieri, Carole Dufouil, Stéphanie Debette
BACKGROUND: Vascular risk factors have been proposed as important targets for the prevention of dementia. As lipid fractions represent easily modifiable targets, we examined the longitudinal relationship of baseline lipid fractions with 13-y incident dementia and its subtypes (Alzheimer disease [AD] and mixed or vascular dementia) in older community-dwelling persons. METHODS AND FINDINGS: Non-institutionalized persons aged 65+ y (n = 9,294) were recruited for the Three-City Study (3C Study), a population-based cohort study from the electoral rolls of the cities of Dijon, Bordeaux, and Montpellier, France, between March 1999 and March 2001...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28324763/interaction-of-apoe-e4-and-poor-glycemic-control-predicts-white-matter-hyperintensity-growth-from-73-to-76
#4
Simon R Cox, Stuart J Ritchie, David Alexander Dickie, Alison Pattie, Natalie A Royle, Janie Corley, Benjamin S Aribisala, Sarah E Harris, Maria Valdés Hernández, Alan J Gow, Susana Muñoz Maniega, John M Starr, Mark E Bastin, Joanna M Wardlaw, Ian J Deary
We examined whether apolipoprotein E (APOE) status interacts with vascular risk factors (VRFs) to predict the progression of white matter hyperintensities (WMHs) on brain MRI scans over a specific period of life in older age when the risk of dementia increases. At age 73 years, baseline VRFs were assessed via self-reported history of diabetes, hypertension, smoking, and hypercholesterolemia, and via objective measures of blood HbA1c, body mass index, diastolic and systolic blood pressure, and blood high-density lipoprotein to total cholesterol (HDL) ratio...
February 27, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28185658/long-term-outcome-in-patients-with-transient-global-amnesia-a-population-based-study
#5
Julieta E Arena, Robert D Brown, Jay Mandrekar, Alejandro A Rabinstein
OBJECTIVE: To study the long-term risk of cerebrovascular events, seizures, and cognitive impairment in patients with transient global amnesia (TGA). PATIENTS AND METHODS: Data for all patients diagnosed with possible TGA in Olmsted County, Minnesota, between January 1, 1985, through December 31, 2010, were retrieved from the Rochester Epidemiology Project database. Transient global amnesia was defined clinically. End points were cerebrovascular event (stroke or transient ischemic attack), seizure, or cognitive impairment (mild cognitive impairment or dementia) during follow-up...
March 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28151011/cardiovascular-risk-factors-and-glucose-tolerance-in-midlife-and-risk-of-cognitive-disorders-in-old-age-up-to-a-49-year-follow-up-of-the-helsinki-businessmen-study
#6
Kirsi Rantanen, Arto Y Strandberg, Veikko V Salomaa, Kaisu H Pitkälä, Reijo S Tilvis, Pentti J Tienari, Timo E Strandberg
PURPOSE: To compare midlife predictors of old age dementia with or without concomitant atherosclerotic cardiovascular disease (ASCVD). DESIGN: In the Helsinki Businessmen Study (men born in 1919-1934, n = 3309) death certificates (n = 1885) during up to 49-year follow-up (through December 31, 2013) were screened for dementia (n = 365) and ASCVD, and categorized as 1) AD without ASCVD ("pure" AD, n = 93), 2) AD+ASCVD (n = 126), 3) Vascular dementia (VD, n = 82), 4) Other or undefined etiology (n = 64)...
February 2, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/27923588/autophagy-and-akt-creb-signalling-play-an-important-role-in-the-neuroprotective-effect-of-nimodipine-in-a-rat-model-of-vascular-dementia
#7
Ming Hu, Zhijuan Liu, Peiyuan Lv, Hebo Wang, Yifei Zhu, Qianqian Qi, Jing Xu
The Akt/CREB signalling pathway is involved in neuronal survival and protection. Autophagy is also likely to be involved in survival mechanisms. Nimodipine is an L-type calcium channel antagonist that reduces excessive calcium influx during pathological conditions (contributing to its neuroprotective properties). However, the potential role of nimodipine in autophagic and Akt/CREB signalling is not well understood. In addition, little is known about the relationship between autophagic and Akt/CREB signalling...
December 5, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27899749/long-term-risk-of-dementia-among-survivors-of-ischemic-or-hemorrhagic-stroke
#8
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...
January 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27885275/tdb-protects-vascular-endothelial-cells-against-oxygen-glucose-deprivation-reperfusion-induced-injury-by-targeting-mir-34a-to-increase-bcl-2-expression
#9
Li-Xi Liao, Ming-Bo Zhao, Xin Dong, Yong Jiang, Ke-Wu Zeng, Peng-Fei Tu
Prolonged ischemia can result in apoptotic death of vascular endothelial cells and lead to ischemic vascular diseases including vascular dementia, arteriosclerosis and brain oedema. Finding protective strategies to prevent this is therefore an urgent mission. Recent studies have shown that dysregulation of microRNAs (miRNAs) can lead to imbalance of Bcl-2 family proteins and mitochondrial dysfunction, leading to further damage of vascular cells under ischemic conditions. However, whether miRNAs can be used as a drug target for treating vascular diseases is not fully understood...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27884058/efficiency-of-silencing-rna-for-removal-of-transthyretin-v30m-in-a-ttr-leptomeningeal-animal-model
#10
Paula Gonçalves, Helena Martins, Susete Costelha, Luis F Maia, Maria Joao Saraiva
Some TTR mutants target the central nervous system (CNS). Familial amyloid polyneuropathy (FAP) with leptomeningeal involvement has been described in 9% of transthyretin (TTR) mutations and in valine for methionine at position 30 (V30M) patients. These individuals present dementia, ataxia, brain hemorrhages and focal neurological episodes (FNEs). FNEs occurred also in V30M FAP patients with longer disease duration, who have undergone liver transplant to remove the source of plasma mutant TTR as a form of treatment...
December 2016: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/27770207/gait-disorders-in-adults-and-the-elderly-a%C3%A2-clinical-guide
#11
REVIEW
Walter Pirker, Regina Katzenschlager
Human gait depends on a complex interplay of major parts of the nervous, musculoskeletal and cardiorespiratory systems. The individual gait pattern is influenced by age, personality, mood and sociocultural factors. The preferred walking speed in older adults is a sensitive marker of general health and survival. Safe walking requires intact cognition and executive control. Gait disorders lead to a loss of personal freedom, falls and injuries and result in a marked reduction in the quality of life. Acute onset of a gait disorder may indicate a cerebrovascular or other acute lesion in the nervous system but also systemic diseases or adverse effects of medication, in particular polypharmacy including sedatives...
February 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27737437/association-between-androgen-deprivation-therapy-and-risk-of-dementia
#12
Kevin T Nead, Greg Gaskin, Cariad Chester, Samuel Swisher-McClure, Nicholas J Leeper, Nigam H Shah
Importance: A growing body of evidence supports a link between androgen deprivation therapy (ADT) and cognitive dysfunction, including Alzheimer disease. However, it is currently unknown whether ADT may contribute to the risk of dementia more broadly. Objective: To use an informatics approach to examine the association of ADT as a treatment for prostate cancer with the subsequent development of dementia (eg, senile dementia, vascular dementia, frontotemporal dementia, and Alzheimer dementia)...
January 1, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/27508662/-op-3c-02-looking-for-the-optimal-blood-pressure-values-in-old-people-with-cognitive-decline-a-longitudinal-study-based-on-24-hour-ambulatory-blood-pressure-monitoring
#13
C Lorenzi, E Mossello, E Giuliani, N Nesti, M Bulgaresi, V Caleri, M Pieraccioli, E Tonon, M C Cavallini, C Baroncini, M Di Bari, C A Biagini, N Marchionni, A Ungar
OBJECTIVE: Available data on the prognostic role of blood pressure in older subjects with cognitive impairment are still scarce. We recently showed that tight control of blood pressure may be associated with a greater progression of cognitive impairment in the short term. Aim of this study is to evaluate the long term association of clinical and ambulatory blood pressure (BP) and antihypertensive drugs (AHD) with survival and desease progression in older subjects with cognitive impairment...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27418596/prestroke-vascular-pathology-and-the-risk-of-recurrent-stroke-and-poststroke-dementia
#14
Marileen L P Portegies, Frank J Wolters, Albert Hofman, M Kamran Ikram, Peter J Koudstaal, M Arfan Ikram
BACKGROUND AND PURPOSE: Improved short-term survival after stroke has necessitated quantifying risk and risk factors of long-term sequelae after stroke (ie, recurrent stroke and dementia). This risk may be influenced by exposure to cardiovascular risk factors before the initial stroke. Within the population-based Rotterdam Study, we determined the long-term risk of recurrent stroke and dementia, and the proportion of recurrent strokes and poststroke dementia cases that are attributable to prestroke cardiovascular risk factors (ie, the population attributable risk)...
August 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27327542/delayed-onset-dementia-after-stroke-or-transient-ischemic-attack
#15
Vincent C T Mok, Bonnie Y K Lam, Zhaolu Wang, Wenyan Liu, Lisa Au, Eric Y L Leung, Sirong Chen, Jie Yang, Winnie C W Chu, Alexander Y L Lau, Anne Y Y Chan, Lin Shi, Florence Fan, Sze H Ma, Vincent Ip, Yannie O Y Soo, Thomas W H Leung, Timothy C Y Kwok, Chi L Ho, Lawrence K S Wong, Adrian Wong
INTRODUCTION: Patients surviving stroke without immediate dementia are at high risk of delayed-onset dementia. Mechanisms underlying delayed-onset dementia are complex and may involve vascular and/or neurodegenerative diseases. METHODS: Dementia-free patients with stroke and/or transient ischemic attack (TIA; n = 919) were studied for 3 years prospectively, excluding those who developed dementia 3 to 6 months after stroke and/or TIA. RESULTS: Forty subjects (4...
June 18, 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/27302701/gait-speed-and-decline-in-gait-speed-as-predictors-of-incident-dementia
#16
Julien Dumurgier, Fanny Artaud, Célia Touraine, Olivier Rouaud, Béatrice Tavernier, Carole Dufouil, Archana Singh-Manoux, Christophe Tzourio, Alexis Elbaz
Background: Slow gait is common in dementia, but it remains unknown whether the slowing happens many years prior to dementia onset. We therefore examined the relationship between slow baseline gait speed (GS), change in GS, and the hazard of incident dementia in a community dwelling of elderly people. Methods: A total of 3,663 participants dementia-free at baseline (mean age, 73.5 years) were followed up for 9 years from a prospective cohort (Three-City study, France) for incident dementia (all-cause, Alzheimer's disease, vascular dementia, and other causes)...
May 1, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/27104894/dementia-and-rapid-mortality-who-is-at-risk
#17
Salka S Staekenborg, Yolande A L Pijnenburg, Afina W Lemstra, Philip Scheltens, Wiesje M Vd Flier
BACKGROUND: Dementia is typically known for its insidious onset and slowly progressive course, but a subgroup deteriorates fast and dies within years or even months. OBJECTIVE: The purpose of this study was to characterize dementia patients with a rapidly progressive course to death and evaluate their cause of death. METHODS: We retrospectively included all patients from the Amsterdam Dementia Cohort who died within two years after diagnosis...
April 19, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27071687/brain-derived-neurotrophic-factor-bdnf-val66met-polymorphism-and-post-stroke-dementia-a-hospital-based-study-from-northern-iran
#18
Sajjad Rezaei, Karim Asgari Mobarake, Alia Saberi, Parvaneh Keshavarz, Ehsan Kazemnejad Leili
Brain-derived neurotrophic factor (BDNF) Val66Met polymorphism is associated with functional and cognitive outcomes of stroke and plays a key role in preventing neuronal death. This study aimed to answer the following question: does BDNF Val66Met polymorphism prognosticate survival status and risk of post-stroke dementia (PSD)? In a retrospective cohort study, 206 patients with ischemic stroke (IS) entered the study. They were consecutively being admitted to the neurology clinic in Poursina Hospital (northern Iran) from 2012 to 2014...
June 2016: Neurological Sciences
https://www.readbyqxmd.com/read/26923014/drivers-a-biologically-contextualized-cross-inferential-view-of-the-epidemiology-of-neurodegenerative-disorders
#19
Jesús de Pedro-Cuesta, Pablo Martínez-Martín, Alberto Rábano, Enrique Alcalde-Cabero, Fernando José García López, Javier Almazán-Isla, María Ruiz-Tovar, Maria-José Medrano, Fuencisla Avellanal, Olga Calero, Miguel Calero
BACKGROUND: Sutherland et al. (2011) suggested that, instead of risk factors for single neurodegenerative disorders (NDDs), there was a need to identify specific "drivers", i.e., risk factors with impact on specific deposits, such as amyloid-β, tau, or α-synuclein, acting across entities. OBJECTIVES AND METHODS: Redefining drivers as "neither protein/gene- nor entity-specific features identifiable in the clinical and general epidemiology of conformational NDDs (CNDDs) as potential footprints of templating/spread/transfer mechanisms", we conducted an analysis of the epidemiology of ten CNDDs, searching for patterns...
2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/26903005/gradual-carotid-artery-stenosis-in-mice-closely-replicates-hypoperfusive-vascular-dementia-in-humans
#20
COMPARATIVE STUDY
Yorito Hattori, Jun-Ichiro Enmi, Satoshi Iguchi, Satoshi Saito, Yumi Yamamoto, Masahiro Tsuji, Kazuyuki Nagatsuka, Rajesh N Kalaria, Hidehiro Iida, Masafumi Ihara
BACKGROUND: Existing rodent models of vascular cognitive impairment (VCI) show abrupt changes in cerebral blood flow (CBF) and do not reliably replicate the clinical pathogenesis of VCI. We therefore aimed to develop a mouse model of VCI where CBF is gradually reduced, followed by subsequent progressive motor and cognitive impairment, after surgical intervention. METHODS AND RESULTS: Adult C57BL/6J male mice were subjected to gradual common carotid artery stenosis (GCAS) surgery by using an ameroid constrictor vessel-constricting device with an inner diameter of 0...
February 22, 2016: Journal of the American Heart Association
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