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Cerebral Small vessel disease

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https://www.readbyqxmd.com/read/28638989/parietal-white-matter-lesions-in-alzheimer-s-disease-are-associated-with-cortical-neurodegenerative-pathology-but-not-with-small-vessel-disease
#1
Kirsty E McAleese, Lauren Walker, Sophie Graham, Elisa L J Moya, Mary Johnson, Daniel Erskine, Sean J Colloby, Madhurima Dey, Carmen Martin-Ruiz, John-Paul Taylor, Alan J Thomas, Ian G McKeith, Charles De Carli, Johannes Attems
Cerebral white matter lesions (WML) encompass axonal loss and demyelination, and the pathogenesis is assumed to be small vessel disease (SVD)-related ischemia. However, WML may also result from the activation of Wallerian degeneration as a consequence of cortical Alzheimer's disease (AD) pathology, i.e. hyperphosphorylated tau (HPτ) and amyloid-beta (Aβ) deposition. WML seen in AD have a posterior predominance compared to non-demented individuals but it is unclear whether the pathological and molecular signatures of WML differ between these two groups...
June 21, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28633305/circulating-micrornas-as-potential-biomarkers-for-the-identification-of-vascular-dementia-due-to-cerebral-small-vessel-disease
#2
Puttachandra Prabhakar, Sadanandavalli Retnaswami Chandra, Rita Christopher
Background: the diagnosis of cerebral small vessel disease, a leading cause of vascular dementia (VaD), relies solely on neuroimaging studies. Circulating microRNAs (miRNAs) have been proposed as diagnostic biomarkers in various disorders. Our aim was to identify differentially expressed, circulating miRNAs in small vessel VaD which could serve as diagnostic biomarkers for this disease. Method: we performed plasma miRNA profiling by quantitative polymerase chain reaction (qPCR) array in small vessel VaD patients and age- and gender-matched, cognitively normal and healthy controls...
June 13, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28626444/aging-with-cerebral-small-vessel-disease-and-dizziness-the-importance-of-undiagnosed-peripheral-vestibular-disorders
#3
Niccolò Cerchiai, Michelangelo Mancuso, Elena Navari, Nicola Giannini, Augusto Pietro Casani
Recent studies showed a link between cerebral small vessel white matter disease (SVD) and dizziness: patients whose dizziness cannot be explained by vestibular disease show severe SVD and gait abnormalities; however, little is still known about how SVD can cause this symptom. The primary aim of this study is to examine the possible underlying causes of dizziness in neurovascular patients; this is in order to assess whether treatable causes could be routinely disregarded. A secondary aim is to possibly define a central oculomotor pattern induced per se by SVD...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28620783/advanced-neuroimaging-of-cerebral-small-vessel-disease
#4
REVIEW
Gordon W Blair, Maria Valdez Hernandez, Michael J Thrippleton, Fergus N Doubal, Joanna M Wardlaw
Cerebral small vessel disease (SVD) is characterised by damage to deep grey and white matter structures of the brain and is responsible for a diverse range of clinical problems that include stroke and dementia. In this review, we describe advances in neuroimaging published since January 2015, mainly with magnetic resonance imaging (MRI), that, in general, are improving quantification, observation and investigation of SVD focussing on three areas: quantifying the total SVD burden, imaging brain microstructural integrity and imaging vascular malfunction...
July 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28619834/temporal-and-spatial-variances-in-arterial-spin-labeling-are-inversely-related-to-large-artery-blood-velocity
#5
A D Robertson, G Matta, V S Basile, S E Black, C K Macgowan, J A Detre, B J MacIntosh
BACKGROUND AND PURPOSE: The relationship between extracranial large-artery characteristics and arterial spin-labeling MR imaging may influence the quality of arterial spin-labeling-CBF images for older adults with and without vascular pathology. We hypothesized that extracranial arterial blood velocity can explain between-person differences in arterial spin-labeling data systematically across clinical populations. MATERIALS AND METHODS: We performed consecutive pseudocontinuous arterial spin-labeling and phase-contrast MR imaging on 82 individuals (20 - 88 years of age, 50% women), including healthy young adults, healthy older adults, and older adults with cerebral small vessel disease or chronic stroke infarcts...
June 15, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28617385/-differential-diagnosis-of-cerebral-autosomal-dominant-arteriopathy-with-subcortical-infarcts-and-leukoencephalopathy
#6
A A Moroz, N Yu Abramycheva, M S Stepanova, R N Konovalov, S L Timerbaeva, S N Illarioshkin
Cerebral autosomal dominant arteriopathy with subcortical infarctions and leucoencephalopathy (CADASIL) is an inherited CNS disease, which is caused by mutations in the NOTCH3 gene. Selective disorders of small vessels underlie the disease pathogenesis. Clinically CADASIL is characterized by headaches, multiple stroke-like disorders (in most cases transient ischemic attacks and lacunar strokes), and different focal neurological symptoms and dementia. There are specific MRI signs of the disease: multiple lacunar infarctions located in the basal ganglia, brain steam and cerebellum, focal lesions of temporal poles, capsula externa, periventricular and subcortical areas; diffuse white matter changes and leukoaraiosis can be observed as well...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28608454/accelerated-atherosclerosis-in-anca-associated-vasculitis
#7
I González-Suárez, J J Ríos-Blanco, J Arpa
OBJECTIVES: Cardiovascular disease, including myocardial infarction and stroke, is a major cause of mortality in ANCA-associated vasculitis (AAV). Although AAV affects small vessels, an accelerated atherosclerosis not explained by traditional cardiovascular risk factors (CVRF) has been demonstrated. We aimed to investigate the association of atherosclerosis measured by carotid intima-media thickness (CIMT) and cerebral small vessel disease in AAV-patients. MATERIALS & METHODS: Twenty-three AAV-patients in complete remission were recruited...
June 12, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28608406/pregnancy-in-cadasil
#8
I Donnini, V Rinnoci, S Nannucci, R Valenti, F Pescini, G Mariani, S Bianchi, M T Dotti, A Federico, D Inzitari, L Pantoni
OBJECTIVES: Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an inherited cerebral small vessel disease caused by NOTCH3 gene mutations. CADASIL women are frequently considered at high risk of systemic vascular events during pregnancy and often prescribed with antithrombotic drugs. This decision is not evidence-based considering the lack of data about pregnancy outcome in CADASIL. We describe our experience on pregnancy in CADASIL patients...
June 12, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28601945/cadasil-mutant-notch3-r90c-decreases-the-viability-of-hs683-oligodendrocytes-via-apoptosis
#9
Mibo Tang, Changhe Shi, Bo Song, Jing Yang, Ting Yang, Chengyuan Mao, Yusheng Li, Xinjing Liu, Shuyu Zhang, Hui Wang, Haiyang Luo, Yuming Xu
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is the most common hereditary cerebral small vessel disease caused by mutations in NOTCH3. Prevailing models suggest that demyelination occurs secondary to vascular pathology. However, in zebrafish, NOTCH3 is also expressed in mature oligodendrocytes. Thus, we hypothesized that in addition to vascular defects, mutant NOTCH3 may alter glial function in individuals with CADASIL. The aim of this study was to characterize the direct effects of a mutant NOTCH3 protein in HS683 oligodendrocytes...
June 10, 2017: Molecular Biology Reports
https://www.readbyqxmd.com/read/28600443/prevalence-risk-factors-and-consequences-of-cerebral-small-vessel-diseases-data-from-three-asian-countries
#10
Saima Hilal, Vincent Mok, Young Chul Youn, Adrian Wong, Mohammad Kamran Ikram, Christopher Li-Hsian Chen
BACKGROUND: Cerebral small vessel disease (SVD) has been suggested to be more common in Asians compared with Caucasians. However, data from population-based studies in Asia are lacking. We report on the prevalence, risk factors and consequences of SVD from contemporary studies in three Asian countries using 3-Tesla MRI for the evaluation of SVD. METHODS: Clinical, cognitive and 3-Tesla brain MRI assessments were performed among participants of three studies from Singapore, Hong Kong and Korea...
June 9, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28575716/structural-network-connectivity-impairment-and-depressive-symptoms-in-cerebral-small-vessel-disease
#11
Xiaofeng Xie, Yulu Shi, Junjian Zhang
BACKGROUND: Cerebral small vessel disease (SVD) can disrupt mood regulation circuits and cause depressive symptoms which may occur prior to onset of other symptoms. However, the topological network alterations in SVD with depressive symptoms remained unclear. We aim to investigate how these changes in structural network were related to depressive symptoms in SVD. METHODS: We recruited 20 SVD with depressive symptoms (SVD+D), 20 SVD without depressive symptoms (SVD-D) and 16 healthy control (HC) individuals...
May 26, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28574812/associations-between-apoe-genotype-and-cerebral-small-vessel-disease-a-longitudinal-study
#12
Xiao Luo, Yerfan Jiaerken, Xinfeng Yu, Peiyu Huang, Tiantian Qiu, Yunlu Jia, Kaicheng Li, Xiaojun Xu, Zhujing Shen, Xiaojun Guan, Jiong Zhou, Minming Zhang
OBJECTIVE: It remains unclear if and how the interactions between APOE genotypes and cerebral small-vessel diseases (CSVD) lead to cognitive decline in the long term. Based on ADNI cohort, this longitudinal study aimed to clarify the potential relationship among APOE genotype, CSVD and cognition by integrating multi-level data. METHOD: There were 135 healthy elderly (including ε2, ε4 allele carriers and ε3 homozygotes) who had completed two years' follow-up. MRI markers of CSVD, including white matter hyperintensities (WMH), dilated perivascular space (dPVS), microbleeds and lacune, were assessed...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28566448/disease-progression-and-regression-in-sporadic-small-vessel-disease-insights-from-neuroimaging
#13
REVIEW
Esther M C van Leijsen, Frank-Erik de Leeuw, Anil M Tuladhar
Cerebral small vessel disease (SVD) is considered the most important vascular contributor to the development of dementia. Comprehensive characterization of the time course of disease progression will result in better understanding of aetiology and clinical consequences of SVD. SVD progression has been studied extensively over the years, usually describing change in SVD markers over time using neuroimaging at two time points. As a consequence, SVD is usually seen as a rather linear, continuously progressive process...
June 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28564681/association-of-microvascular-dysfunction-with-late-life-depression-a-systematic-review-and-meta-analysis
#14
Marnix J M van Agtmaal, Alfons J H M Houben, Frans Pouwer, Coen D A Stehouwer, Miranda T Schram
Importance: The etiologic factors of late-life depression are still poorly understood. Recent evidence suggests that microvascular dysfunction is associated with depression, which may have implications for prevention and treatment. However, this association has not been systematically reviewed. Objective: To examine the associations of peripheral and cerebral microvascular dysfunction with late-life depression. Data Sources: A systematic literature search was conducted in MEDLINE and EMBASE for and longitudinal studies published since inception to October 16, 2016, that assessed the associations between microvascular dysfunction and depression...
May 31, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28562382/impact-of-mean-platelet-aggregation-degree-on-long-term-clinical-outcomes-among-patients-undergoing-a-complex-percutaneous-coronary-intervention
#15
Quan Li, Mengmeng Li, Xianpeng Yu, Jiqiang He, Yuechun Gao, Xiaoling Zhang, Changyan Wu, Yawei Luo, Yuchen Zhang, Xuejun Ren
OBJECTIVE: The aim of this study was to evaluate the association between the mean platelet aggregation degree and long-term clinical outcomes in patients receiving a complex percutaneous coronary intervention (CPCI). PATIENTS AND METHODS: We screened 2141 patients after a percutaneous coronary intervention (PCI) treated with aspirin and clopidogrel. CPCI was defined as a procedure targeted to at least one of the following: left main disease, bifurcation lesion, ostial lesion, chronic total occlusion, and small-vessel stenting...
May 30, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28560150/amyloid-positron-emission-tomography-in-sporadic-cerebral-amyloid-angiopathy-a-systematic-critical-update
#16
REVIEW
Karim Farid, Andreas Charidimou, Jean-Claude Baron
Sporadic cerebral amyloid angiopathy (CAA) is a very common small vessel disease of the brain, showing preferential and progressive amyloid-βdeposition in the wall of small arterioles and capillaries of the leptomeninges and cerebral cortex. CAA now encompasses not only a specific cerebrovascular pathological trait, but also different clinical syndromes - including spontaneous lobar intracerebral haemorrhage (ICH), dementia and 'amyloid spells' - an expanding spectrum of brain parenchymal MRI lesions and a set of diagnostic criteria - the Boston criteria, which have resulted in increasingly detecting CAA during life...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28559496/magnetic-resonance-imaging-of-cardiovascular-function-and-the-brain-is-dementia-a-cardiovascular-driven-disease
#17
REVIEW
Albert de Roos, Jeroen van der Grond, Gary Mitchell, Jos Westenberg
The proximal aorta acts as a coupling device between heart and brain perfusion, modulating the amount of pressure and flow pulsatility transmitted into the cerebral microcirculation. Stiffening of the proximal aorta is strongly associated with age and hypertension. The detrimental effects of aortic stiffening may result in brain damage as well as heart failure. The resulting cerebral small vessel disease and heart failure may contribute to early cognitive decline and (vascular) dementia. This pathophysiological sequence of events underscores the role of cardiovascular disease as a contributory mechanism in causing cognitive decline and dementia and potentially may provide a starting point for prevention and treatment...
May 30, 2017: Circulation
https://www.readbyqxmd.com/read/28555103/blood-pressure-control-in-aging-predicts-cerebral-atrophy-related-to-small-vessel-white-matter-lesions
#18
Kyle C Kern, Clinton B Wright, Kaitlin L Bergfield, Megan C Fitzhugh, Kewei Chen, James R Moeller, Nooshin Nabizadeh, Mitchell S V Elkind, Ralph L Sacco, Yaakov Stern, Charles S DeCarli, Gene E Alexander
Cerebral small-vessel damage manifests as white matter hyperintensities and cerebral atrophy on brain MRI and is associated with aging, cognitive decline and dementia. We sought to examine the interrelationship of these imaging biomarkers and the influence of hypertension in older individuals. We used a multivariate spatial covariance neuroimaging technique to localize the effects of white matter lesion load on regional gray matter volume and assessed the role of blood pressure control, age and education on this relationship...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28553163/parkinson-s-disease-might-increase-the-risk-of-cerebral-ischemic-lesions
#19
In-Uk Song, Ji-Eun Lee, Do-Young Kwon, Jeong-Ho Park, Hyeo-Il Ma
BACKGROUND: Parkinson's disease (PD) is the second most common neurodegenerative disease in the elderly. Cerebrovascular diseases such as cerebral ischemic lesion (CIL) also commonly occur in elderly adults. However, previous studies on the relationship between PD and cerebrovascular disease have not found consistent results. Therefore, we conducted this study to evaluate whether or not PD is related to an increased prevalence of ischemic cerebrovascular lesions. METHODS: This study recruited 241 patients with PD and 112 healthy controls (HCs)...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28548298/total-cerebral-small-vessel-disease-score-and-cognitive-performance-in-community-dwelling-older-adults-results-from-the-atahualpa-project
#20
Victor J Del Brutto, Jorge G Ortiz, Oscar H Del Brutto, Robertino M Mera, Mauricio Zambrano, José Biller
OBJECTIVE: Cerebral small vessel disease (SVD) is inversely associated with cognitive performance. However, whether the total SVD score is a better predictor of poor cognitive performance than individual signatures of SVD is inconclusive. We aimed to estimate the combined and independent predictive power of these MRI findings. METHODS: Atahualpa residents aged ≥60 years underwent brain MRI. Cognitive performance was measured by the Montreal Cognitive Assessment (MoCA)...
May 26, 2017: International Journal of Geriatric Psychiatry
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