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Cerebral small vessels disease

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https://www.readbyqxmd.com/read/28810566/correlation-analysis-between-the-ldl-c-in-serum-and-the-onset-of-transient-ischemic-attack-caused-by-csvd
#1
Yaqi Chen, Mei Hu, Hongying Gong
The aim of this study was to investigate the correlation between the low-density lipoprotein cholesterol (LDL-C) in serum and the onset of transient ischemic attack caused by cerebral small vascular disease (CSVD). Between September 2012 and September 2015, 249 patients who were diagnosed as CSVD were randomly enrolled in this study. According to MRI results, patients were divided into the patient and control groups. In the patient group, the patients were further subdivided into the white matter lesion (WML) group (n=86) and lacunar infarction (LI) group (n=53)...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810250/cerebral-small-vessel-disease-is-associated-with-dysregulation-in-the-ubiquitin-proteasome-system-and-other-major-cellular-pathways-in-specific-brain-regions
#2
Marie-Françoise Ritz, Caspar Grond-Ginsbach, Felix Fluri, Manja Kloss, Markus Tolnay, Nils Peters, Stefan Engelter, Philippe Lyrer
BACKGROUND/AIMS: Cerebral small vessel disease (SVD) is characterized by periventricular white matter (WM) changes and can lead to vascular dementia, the second most common form of age-dependent dementia. The pathogenesis of the disease remains poorly understood, and studies of its molecular basis are limited. By profiling gene expression of dissected postmortem brain tissue in SVD patients and comparisons with tissue of nonneurological controls, we aimed to identify genes and processes that are involved in the pathogenesis of SVD to gain new pathogenetic insights...
August 16, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28798076/perivascular-spaces-glymphatic-dysfunction-and-small-vessel-disease
#3
REVIEW
Humberto Mestre, Serhii Kostrikov, Rupal I Mehta, Maiken Nedergaard
Cerebral small vessel diseases (SVDs) range broadly in etiology but share remarkably overlapping pathology. Features of SVD including enlarged perivascular spaces (EPVS) and formation of abluminal protein deposits cannot be completely explained by the putative pathophysiology. The recently discovered glymphatic system provides a new perspective to potentially address these gaps. This work provides a comprehensive review of the known factors that regulate glymphatic function and the disease mechanisms underlying glymphatic impairment emphasizing the role that aquaporin-4 (AQP4)-lined perivascular spaces (PVSs), cerebrovascular pulsatility, and metabolite clearance play in normal CNS physiology...
September 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28796818/hypercholesterolemia-induced-cerebral-small-vessel-disease
#4
Peter Kraft, Michael K Schuhmann, Cornelia Garz, Solveig Jandke, Daniela Urlaub, Stine Mencl, Alma Zernecke, Hans-Jochen Heinze, Roxana O Carare, Christoph Kleinschnitz, Stefanie Schreiber
BACKGROUND: While hypercholesterolemia plays a causative role for the development of ischemic stroke in large vessels, its significance for cerebral small vessel disease (CSVD) remains unclear. We thus aimed to understand the detailed relationship between hypercholesterolemia and CSVD using the well described Ldlr-/- mouse model. METHODS: We used Ldlr-/- mice (n = 16) and wild-type (WT) mice (n = 15) at the age of 6 and 12 months. Ldlr-/- mice develop high plasma cholesterol levels following a high fat diet...
2017: PloS One
https://www.readbyqxmd.com/read/28783808/recrudescence-of-deficits-after-stroke-clinical-and-imaging-phenotype-triggers-and-risk-factors
#5
Mehmet A Topcuoglu, Esen Saka, Scott B Silverman, Lee H Schwamm, Aneesh B Singhal
Importance: Reemergence of previous stroke-related deficits (or poststroke recrudescence [PSR]) is an underrecognized and inadequately characterized phenomenon. Objective: To investigate the clinical features, triggers, and risk factors for PSR. Design, Setting, and Participants: This retrospective study incorporated a crossover cohort study to identify triggers and a case-control study to identify risk factors. The study used the Massachusetts General Hospital Research Patient Data Repository to identify patients for the period January 1, 2000, to November 30, 2015, who had a primary or secondary diagnosis of cerebrovascular disease, who underwent magnetic resonance imaging of the brain at least once, and whose inpatient or outpatient clinician note or discharge summary stated the term recrudescence...
August 7, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28782182/heterozygous-mutations-of-htra1-gene-in-patients-with-familial-cerebral-small-vessel-disease
#6
Ilaria Di Donato, Silvia Bianchi, Gian Nicola Gallus, Alfonso Cerase, Ilaria Taglia, Francesca Pescini, Serena Nannucci, Carla Battisti, Domenico Inzitari, Leonardo Pantoni, Andrea Zini, Antonio Federico, Maria Teresa Dotti
AIMS: Cerebral small vessel disease (SVD) is the leading cause of vascular dementia. Although the most of cases are sporadic, familial monogenic causes have been identified in a growing minority of patients. CADASIL, due to mutations of NOTCH3 gene, is the most common genetic SVD, and CARASIL, linked to HTRA1 gene mutations, is a rare but well known autosomal recessive SVD. Recently, also heterozygous HTRA1 mutations have been described in patients with familial SVD. To detect a genetic cause of familial SVD, we performed mutational analysis of HTRA1 gene in a large cohort of Italian NOTCH3-negative patients...
August 6, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28775055/in-vivo-imaging-of-venous-side-cerebral-small-vessel-disease-in-older-adults-an-mri-method-at-7t
#7
C E Shaaban, H J Aizenstein, D R Jorgensen, R L MacCloud, N A Meckes, K I Erickson, N W Glynn, J Mettenburg, J Guralnik, A B Newman, T S Ibrahim, P J Laurienti, A N Vallejo, C Rosano
BACKGROUND AND PURPOSE: Traditional neuroimaging markers of small-vessel disease focus on late-stage changes. We aimed to adapt a method of venular assessment at 7T for use in older adults. We hypothesized that poorer venular morphologic characteristics would be related to other small-vessel disease neuroimaging markers and a higher prevalence of small-vessel disease-Alzheimer disease risk factors. MATERIALS AND METHODS: Venules were identified in periventricular ROIs on SWI and defined as tortuous or straight...
August 3, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28769872/intracranial-arterial-dolichoectasia
#8
REVIEW
Victor J Del Brutto, Jorge G Ortiz, José Biller
An increased diameter (ectasis) and/or long and tortuous course (dolichosis) of at least one cerebral artery define intracranial arterial dolichoectasia (IADE). IADE could be detected incidentally or may give rise to an array of neurological complications including ischemic stroke, intracranial hemorrhage, or compression of surrounding neural structures. The basilar artery is preferentially affected and has been studied in more detail, mainly due to the presence of accepted diagnostic criteria proposed by Smoker and colleagues in 1986 (1)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28759913/prevention-of-cerebral-small-vessel-disease
#9
Eric E Smith
No abstract text is available yet for this article.
June 2017: Seminars in Neurology
https://www.readbyqxmd.com/read/28756984/a-55-year-old-female-with-leukoencephalopathy-with-cerebral-calcifications-and-cysts-case-report-and-radiopathologic-description
#10
Jorge Novo, Diana Lin, Megan Shanks, Mehmet Kocak, Leonidas Arvanitis
Adult-onset leukoencephalopathies with increased cerebral volume can present a potentially challenging diagnosis for the pathologist. We present the case of a patient with a rare adult-onset disease called Leukoencephalopathy with cerebral Calcifications and Cysts (LCC). A 55-year-old woman with a history of morning headaches, mild memory loss, diabetes, and hypertension presented to the emergency department with acute onset altered mental status. CT scan revealed multiple small hypodense lesions in the white matter with calcifications in the bilateral cerebral hemispheres, basal ganglia, pons, and cerebellar hemispheres...
July 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28756941/peripheral-lipid-oxidative-stress-markers-are-related-to-vascular-risk-factors-and-subcortical-small-vessel-disease
#11
Walter Swardfager, Di Yu, Gustavo Scola, Hugo Cogo-Moreira, Parco Chan, Yi Zou, Nathan Herrmann, Krista L Lanctôt, Joel Ramirez, Fuqiang Gao, Mario Masellis, Richard H Swartz, Demetrios J Sahlas, Pak Cheung Chan, Carmen Ojeda-Lopez, Angela Milan-Tomas, Jacqueline A Pettersen, Ana C Andreazza, Sandra E Black
Subcortical white matter hyperintensities (WMH), presumed to indicate small vessel ischemic vascular disease, are found commonly in elderly individuals with and without Alzheimer's disease (AD). Oxidative stress may instigate or accelerate the development of vascular disease, and oxidative stress markers are elevated in AD. Here, we assess independent relationships between three serum lipid peroxidation markers (lipid hydroperoxides [LPH], 8-isoprostane, and 4-hydroxynonenal) and the presence of extensive subcortical WMH and/or AD...
July 11, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28754833/dolichoectasia-and-small-vessel-disease-in-young-patients-with-transient-ischemic-attack-and-stroke
#12
Vincent Thijs, Ulrike Grittner, Franz Fazekas, Dominick J H McCabe, Anne-Katrin Giese, Christof Kessler, Peter Martus, Bo Norrving, Erich Bernd Ringelstein, Reinhold Schmidt, Christian Tanislav, Jukka Putaala, Turgut Tatlisumak, Bettina von Sarnowski, Arndt Rolfs, Christian Enzinger
BACKGROUND AND PURPOSE: We evaluated whether basilar dolichoectasia is associated with markers of cerebral small vessel disease in younger transient ischemic attack and ischemic stroke patients. METHODS: We used data from the SIFAP1 study (Stroke in Young Fabry Patients), a large prospective, hospital-based, screening study for Fabry disease in young (<55 years) transient ischemic attack/stroke patients in whom detailed clinical data and brain MRI were obtained, and stroke subtyping with TOAST classification (Trial of ORG 10172 in Acute Stroke Treatment) was performed...
July 28, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28750873/mnemonic-function-in-small-vessel-disease-and-associations-with-white-matter-tract-microstructure
#13
Athanasia Metoki, Rebecca L Brookes, Eva Zeestraten, Andrew J Lawrence, Robin G Morris, Thomas R Barrick, Hugh S Markus, Rebecca A Charlton
Cerebral small vessel disease (SVD) is associated with deficits in working memory, with a relative sparing of long-term memory; function may be influenced by white matter microstructure. Working and long-term memory were examined in 106 patients with SVD and 35 healthy controls. Microstructure was measured in the uncinate fasciculi and cingula. Working memory was more impaired than long-term memory in SVD, but both abilities were reduced compared to controls. Regression analyses found that having SVD explained the variance in memory functions, with additional variance explained by the cingula (working memory) and uncinate (long-term memory)...
July 24, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28747441/brain-hemorrhage-recurrence-small-vessel-disease-type-and-cerebral-microbleeds-a-meta-analysis
#14
Andreas Charidimou, Toshio Imaizumi, Solene Moulin, Alexandro Biffi, Neshika Samarasekera, Yusuke Yakushiji, Andre Peeters, Yves Vandermeeren, Patrice Laloux, Jean-Claude Baron, Mar Hernandez-Guillamon, Joan Montaner, Barbara Casolla, Simone M Gregoire, Dong-Wha Kang, Jong S Kim, H Naka, Eric E Smith, Anand Viswanathan, Hans R Jäger, Rustam Al-Shahi Salman, Steven M Greenberg, Charlotte Cordonnier, David J Werring
OBJECTIVE: We evaluated recurrent intracerebral hemorrhage (ICH) risk in ICH survivors, stratified by the presence, distribution, and number of cerebral microbleeds (CMBs) on MRI (i.e., the presumed causal underlying small vessel disease and its severity). METHODS: This was a meta-analysis of prospective cohorts following ICH, with blood-sensitive brain MRI soon after ICH. We estimated annualized recurrent symptomatic ICH rates for each study and compared pooled odds ratios (ORs) of recurrent ICH by CMB presence/absence and presumed etiology based on CMB distribution (strictly lobar CMBs related to probable or possible cerebral amyloid angiopathy [CAA] vs non-CAA) and burden (1, 2-4, 5-10, and >10 CMBs), using random effects models...
July 26, 2017: Neurology
https://www.readbyqxmd.com/read/28745791/the-correlation-between-cognitive-impairment-and-ambulatory-blood-pressure-in-patients-with-cerebral-small-vessel-disease
#15
X-F Li, L-M Cui, D-K Sun, H-T Wang, W-G Liu
OBJECTIVE: The present study was aimed to analyze the correlation between cognitive impairment and ambulatory blood pressure in patients with cerebral small vessel disease (CSVD). PATIENTS AND METHODS: 108 patients with CSVD received in our hospital were selected. Assessment of cognitive impairment was by the Montreal Cognitive Assessment (MoCA). 39 cases were established as the impairment group and 69 cases were established as the normal group. 24 h ambulatory blood pressure was monitored, and changes in ambulatory blood pressure parameters between the two groups were compared...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28731570/susceptibility-weighted-imaging-and-quantitative-susceptibility-mapping-of-the-cerebral-vasculature-using-ferumoxytol
#16
Saifeng Liu, Jean-Christophe Brisset, Jiani Hu, E Mark Haacke, Yulin Ge
PURPOSE: To demonstrate the potential of imaging cerebral arteries and veins with ferumoxytol using susceptibility weighted imaging (SWI) and quantitative susceptibility mapping (QSM). MATERIALS AND METHODS: The relationships between ferumoxytol concentration and the apparent susceptibility at 1.5T, 3T, and 7T were determined using phantom data; the ability of visualizing subvoxel vessels was evaluated using simulations; and the feasibility of using ferumoxytol to enhance the visibility of small vessels was confirmed in three healthy volunteers at 7T(with doses 1 mg/kg to 4 mg/kg)...
July 21, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28731439/antihypertensive-treatment-is-associated-with-mri-derived-markers-of-neurodegeneration-and-impaired-cognition-a-propensity-weighted-cohort-study
#17
Jodi D Edwards, Joel Ramirez, Brandy L Callahan, Sheldon W Tobe, Paul Oh, Courtney Berezuk, Krista Lanctôt, Walter Swardfager, Sean Nestor, Alexander Kiss, Stephen Strother, Sandra E Black
BACKGROUND: Hypertension is an important risk factor for Alzheimer's disease (AD) and cerebral small vessel disease. Angiotensin converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) are common anti-hypertensive treatments, but have differential effects on cortical amyloid. OBJECTIVE: The objective of this study was to evaluate associations between anti-hypertensive treatment, brain volume, and cognition, using a propensity-weighted analysis to account for confounding by indication...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28716371/detection-risk-factors-and-functional-consequences-of-cerebral-microinfarcts
#18
REVIEW
Susanne J van Veluw, Andy Y Shih, Eric E Smith, Christopher Chen, Julie A Schneider, Joanna M Wardlaw, Steven M Greenberg, Geert Jan Biessels
Cerebral microinfarcts are small lesions that are presumed to be ischaemic. Despite the small size of these lesions, affected individuals can have hundreds to thousands of cerebral microinfarcts, which cause measurable disruption to structural brain connections, and are associated with dementia that is independent of Alzheimer's disease pathology or larger infarcts (ie, lacunar infarcts, and large cortical and non-lacunar subcortical infarcts). Substantial progress has been made with regard to understanding risk factors and functional consequences of cerebral microinfarcts, partly driven by new in-vivo detection methods and the development of animal models that closely mimic multiple aspects of cerebral microinfarcts in human beings...
July 14, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28716287/kidney-dysfunction-and-silent-brain-infarction-in-generally-healthy-adults
#19
Sang Hyuck Kim, Dong Wook Shin, Jae Moon Yun, Ji Eun Lee, Jae-Sung Lim, Be Long Cho, Hyung-Min Kwon, Jin-Ho Park
BACKGROUND: The association between silent brain infarction (SBI) and estimated glomerular filtration rate (eGFR)-based kidney dysfunction has not yet been definitively confirmed. This study aimed to investigate the association in generally healthy adults without a previous history of stroke or overt kidney disease. METHODS: The data from the screening health check-up program in the Seoul National University Hospital Health Promotion Center from January 1, 2009 to December 31, 2013 were used...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28715552/large-perivascular-spaces-visible-on-magnetic-resonance-imaging-cerebral-small-vessel-disease-progression-and-risk-of-dementia-the-age-gene-environment-susceptibility-reykjavik-study
#20
Jie Ding, Sigurður Sigurðsson, Pálmi V Jónsson, Gudny Eiriksdottir, Andreas Charidimou, Oscar L Lopez, Mark A van Buchem, Vilmundur Guðnason, Lenore J Launer
Importance: With advancing age, an increased visibility of perivascular spaces (PVSs) on magnetic resonance imaging (MRI) is hypothesized to represent impaired drainage of interstitial fluid from the brain and may reflect underlying cerebral small vessel disease (SVD). However, whether large perivascular spaces (L-PVSs) (>3 mm in diameter) visible on MRI are associated with SVD and cognitive deterioration in older individuals is unknown. Objective: To examine whether L-PVSs are associated with the progression of the established MRI markers of SVD, cognitive decline, and increased risk of dementia...
July 17, 2017: JAMA Neurology
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