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https://www.readbyqxmd.com/read/28406586/total-cerebral-small-vessel-disease-score-is-associated-with-mortality-during-follow-up-after-acute-ischemic-stroke
#1
Tae Jin Song, Jinkwon Kim, Dongbeom Song, Joonsang Yoo, Hye Sun Lee, Yong Jae Kim, Hyo Suk Nam, Ji Hoe Heo, Young Dae Kim
BACKGROUND AND PURPOSE: The recently developed total cerebral small-vessel disease (CSVD) score might appropriately reflect the total burden or severity of CSVD. We investigated whether the total CSVD score is associated with long-term outcomes during follow-up in patients with acute ischemic stroke. METHODS: In total, 1,096 consecutive patients with acute ischemic stroke who underwent brain magnetic resonance imaging were enrolled. We calculated the total CSVD score for each patient after determining the burden of cerebral microbleeds (CMBs), high-grade white-matter hyperintensities (HWHs), high-grade perivascular spaces (HPVSs), and asymptomatic lacunar infarctions (ALIs)...
April 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/28348005/vascular-basement-membrane-alterations-and-%C3%AE-amyloid-accumulations-in-an-animal-model-of-cerebral-small-vessel-disease
#2
Friederike Held, Alan W J Morris, Daniel Pirici, Solveig Niklass, Matthew M G Sharp, Cornelia Garz, Anne Assmann, Hans-Jochen Heinze, Frank Schreiber, Roxana Octavia Carare, Stefanie Schreiber
Non-amyloid cerebral small vessel disease (CSVD) and cerebral amyloid angiopathy (CAA) may be interrelated by the damaged basement membranes (BMs) and extracellular matrix changes of small vessels, resulting in a failure of β-amyloid (Aβ) transport and degradation. We analysed BM changes and the pattern of deposition of Aβ in the walls of blood vessels in spontaneously hypertensive stroke-prone rats (SHRSP), a non-transgenic CSVD model. In 45 SHRSP and 38 Wistar rats aged 18 to 32 weeks 1) the percentage area immunostained for vascular collagen IV and laminin was quantified, 2) the capillary BM thickness as well as endothelial and pericyte pathological changes were analysed using transmission electron microscopy (TEM) and 3) the presence of vascular Aβ was assessed...
March 27, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28214547/cerebral-small-vessel-disease-predisposes-to-temporal-lobe-epilepsy-in-spontaneously-hypertensive-rats
#3
Emilio Russo, Antonio Leo, Francesca Scicchitano, Annalidia Donato, Edoardo Ferlazzo, Sara Gasparini, Vittoria Cianci, Chiara Mignogna, Giuseppe Donato, Rita Citraro, Umberto Aguglia, Giovambattista De Sarro
The link between cerebral small vessel disease (CSVD) and epilepsy has been poorly investigated. Some reports suggest that CSVD may predispose to temporal lobe epilepsy (TLE). Aim of this study was to evaluate whether spontaneously hypertensive rats (SHRs), an established model of systemic hypertension and CSVD, have a propensity to develop TLE more than generalized seizures. To this aim, amygdala kindling, as a model of TLE, and pentylenetetrazole (PTZ)-induced kindling, as a model of generalized seizures, have been used to ascertain whether SHRs are more prone to TLE as compared to Wistar Kyoto control rats...
February 15, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28180080/simultaneous-investigation-of-microvasculature-and-parenchyma-in-cerebral-small-vessel-disease-using-intravoxel-incoherent-motion-imaging
#4
Sau May Wong, C Eleana Zhang, Frank C G van Bussel, Julie Staals, Cécile R L P N Jeukens, Paul A M Hofman, Robert J van Oostenbrugge, Walter H Backes, Jacobus F A Jansen
INTRODUCTION: Cerebral small vessel disease (cSVD) is associated with microvascular and parenchymal alterations. Intravoxel incoherent motion (IVIM) MRI has been proposed to simultaneously measure both the microvascular perfusion and parenchymal diffusivity. This study aimed to evaluate the application of IVIM in cSVD to assess the microvasculature and parenchymal microstructure. METHODS: Seventy-three patients with cSVD (age 70 ± 11 y) and thirty-nine controls (age 69 ± 12 y) underwent IVIM imaging (3T)...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28176642/granulocyte-colony-stimulating-factor-attenuates-blood-brain-barrier-damage-and-improves-cognitive-function-in-spontaneously-hypertensive-rats
#5
Xin Wei, Yan Xu, Yanling Jin, Hongliang Feng, Shouquan Dong
Cerebral small vessel diseases (CSVDs) always coincide with endothelial dysfunction and blood-brain barrier (BBB) damage. Granulocyte-colony stimulating factor (G-CSF) can play a neuroprotective role in many neurological diseases. We investigated whether G-CSF exerts positive effects in spontaneously hypertensive rats (SHRs), a rat model of CSVD. Twenty-four-week-old SHRs, displaying the early histopathological changes of CSVD, received daily administrations of either G-CSF (50μg/kg) or saline for 7 days. The novel object recognition test was then conducted after treatment...
February 7, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28149699/sequence-variability-of-chrysanthemum-stunt-viroid-in-different-chrysanthemum-cultivars
#6
Hoseong Choi, Yeonhwa Jo, Ju-Yeon Yoon, Seung-Kook Choi, Won Kyong Cho
Viroids are the smallest infectious agents, and their genomes consist of a short single strand of RNA that does not encode any protein. Chrysanthemum stunt viroid (CSVd), a member of the family Pospiviroidae, causes chrysanthemum stunt disease. Here, we report the genomic variations of CSVd to understand the sequence variability of CSVd in different chrysanthemum cultivars. We randomly sampled 36 different chrysanthemum cultivars and examined the infection of CSVd in each cultivar by reverse transcription polymerase chain reaction (RT-PCR)...
2017: PeerJ
https://www.readbyqxmd.com/read/28126975/-cerebral-autosomal-recessive-arteriopathy-with-subcortical-infarcts-and-leukoencephalopathy-carasil
#7
Masahiro Uemura, Hiroaki Nozaki, Osamu Onodera
Cerebral small vessel disease (CSVD) is frequently observed among the elderly and is known to cause dementia and gait disturbance associated with white matter lesions, lacunar infarcts, and cerebral hemorrhage. Molecular mechanistic studies promise to provide new insights into the pathogenesis of hereditary CSVD. Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy (CARASIL) is one of the hereditary CSVDs caused by a mutation in the high-temperature requirement serine peptidase A1 (HTRA1) gene...
January 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28112032/spermidine-preconditioning-ameliorates-laurate-induced-brain-injury-by-maintaining-mitochondrial-stability
#8
Yi Zhang, Jie Yin, Lang Zhang, Chu-Chu Qi, Ze-Lin Ma, Li-Ping Gao, De-Gui Wang, Yu-Hong Jing
Ischemic precondition plays a protective effect during cerebral ischemia. This effect partly depends on the autophagic activity. However, whether the activity of autophagy can exert the protective effects after cerebral ischemia is unclear. In this study, rats were treated with spermidine, an activator of autophagy, and injected with sodium laurate via the internal carotid artery to stimulate cerebral small vessel disease (CSVD). The effects of the spermidine precondition on brain injury were evaluated by behavioural test, histology assay, ultrastructure observation, and autophagic-related signals...
March 2017: Neurological Research
https://www.readbyqxmd.com/read/28095899/what-is-the-relationship-between-type-2-diabetes-mellitus-status-and-the-neuroradiological-correlates-of-cerebral-small-vessel-disease-in-adults-protocol-for-a-systematic-review
#9
Clark Funnell, Mary M Doyle-Waters, Samuel Yip, Thalia Field
BACKGROUND: Cerebral small vessel disease (CSVD) is a common cause of stroke, dementia, and functional decline. In recent years, neuroradiologic correlates of CSVD have been identified. These imaging findings, best characterized on magnetic resonance imaging (MRI), include some combination of white matter hyperintensities, lacunes, cerebral microbleeds, enlarged perivascular spaces, and cerebral atrophy. Though some cohorts have reported that participants with type 2 diabetes mellitus (T2DM), an important risk factor for CSVD, may have a distinct neuroradiologic phenotype, this relationship is not well-characterized...
January 17, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28031395/blood-brain-barrier-leakage-is-more-widespread-in-patients-with-cerebral-small-vessel-disease
#10
C Eleana Zhang, Sau May Wong, Harm J van de Haar, Julie Staals, Jacobus F A Jansen, Cécile R L P N Jeukens, Paul A M Hofman, Robert J van Oostenbrugge, Walter H Backes
OBJECTIVE: As blood-brain barrier (BBB) dysfunction may occur in normal aging but may also play a pivotal role in the pathophysiology of cerebral small vessel disease (cSVD), we used dynamic contrast-enhanced (DCE)-MRI to quantify the rate and the spatial extent of BBB leakage in patients with cSVD and age- and sex-matched controls to discern cSVD-related BBB leakage from aging-related leakage. METHODS: We performed structural brain MRI and DCE-MRI in 80 patients with clinically overt cSVD and 40 age- and sex-matched controls...
January 31, 2017: Neurology
https://www.readbyqxmd.com/read/27933697/total-magnetic-resonance-imaging-burden-of-cerebral-small-vessel-disease-is-associated-with-post-stroke-depression-in-patients-with-acute-lacunar-stroke
#11
X Zhang, Y Tang, Y Xie, C Ding, J Xiao, X Jiang, H Shan, Y Lin, C Li, D Hu, T Li, L Sheng
BACKGROUND AND PURPOSE: Despite extensive studies on post-stroke depression (PSD), the role of the total burden of cerebral small-vessel disease (cSVD) in its pathogenesis remains unclear. METHODS: We conducted a magnetic resonance imaging (MRI)-based cohort study to investigate the relationship between total MRI burden of cSVD and PSD among patients with first-ever lacunar stroke. From June 2013 to January 2016, 374 patients were consecutively recruited. PSD was identified using the Chinese version of the Structured Clinical Interview for DSM-IV...
February 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/27874975/structural-and-functional-brain-alterations-in-a-murine-model-of-angiotensin-ii-induced-hypertension
#12
Anja Meissner, Jens Minnerup, Guadalupe Soria, Anna M Planas
Hypertension is a main risk factor for the development of cerebral small vessel disease (cSVD) - a major contributor to stroke and the most common cause of vascular dementia. Despite the increasing socioeconomic importance arising from cSVD, currently only a few specific treatment strategies with proven efficacy are known. Fundamental to the lack of specific treatments is poor understanding of the disease pathogenesis and a lack of appropriate animal models resembling all symptoms of the human disease. However, chronic hypertensive rat models have been shown to bear similarities to most key features of cSVD...
November 22, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27754237/os-34-04-safety-of-early-intensive-blood-pressure-lowering-in-cerebral-small-vessel-disease-and-chronic-kidney-disease-in-acute-intracerebral-hemorrhage
#13
Craig Anderson, Shoichiro Sato, Candice Delcourt, Hisatomi Arima, Shihong Zhang, Rustam RAl-Shahi Salman, Christian Stapf, Dan Woo, Matthew Flaherty, Achala Vagal, Jiguang Wang, John Chalmers
OBJECTIVE: The INTERACT2 trial demonstrated beneficial effects of early intensive blood pressure (BP) lowering in intracerebral hemorrhage (ICH). However, concerns persist over harms associated with the treatment, particularly in patients with cerebral small vessel disease (CSVD) (ie white matter lesions [WML], lacunes and atrophy) and renal failure. We determined associations of CSVD, and renal failure, on outcomes in INTERACT2 participants. DESIGN AND METHOD: There were 2069/2839 patients with baseline brain CT (< 6hr ICH onset)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27727072/association-between-serum-cystatin-c-level-and-total-magnetic-resonance-imaging-burden-of-cerebral-small-vessel-disease-in-patients-with-acute-lacunar-stroke
#14
Song Yang, Jing Cai, Rulan Lu, Jian Wu, Min Zhang, Xianju Zhou
OBJECTIVE: Chronic kidney disease (CKD) is associated with cerebral small vessel disease (cSVD). However, the relationship between serum cystatin C (CysC) level, a highly sensitive marker of impaired kidney function, and cSVD has not been fully understood. This study aimed to investigate the association between serum CysC level and total burden of cSVD on magnetic resonance imaging (MRI) in patients with acute lacunar stroke. MATERIALS AND METHODS: A total of 210 patients with first-ever acute lacunar stroke occurring within 1 week after onset were included in this study...
January 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27689914/can-neuroimaging-markers-of-vascular-pathology-explain-cognitive-performance-in-adults-with-sickle-cell-anemia-a-review-of-the-literature
#15
Dana R Jorgensen, Caterina Rosano, Enrico M Novelli
Adults with homozygous sickle cell anemia have, on average, lower cognitive function than unaffected controls. The mechanisms underlying cognitive deterioration in this population are poorly understood, but cerebral small vessel disease (CSVD) is likely to be implicated. We conducted a systematic review using the Prisma Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines of articles that included both measures of cognitive function and magnetic resonance imaging (MRI) neuroimaging markers of small vessel disease...
September 30, 2016: Hemoglobin
https://www.readbyqxmd.com/read/27666438/disruption-of-a-mir-29-binding-site-leading-to-col4a1-upregulation-causes-pontine-autosomal-dominant-microangiopathy-with-leukoencephalopathy
#16
Edgard Verdura, Dominique Hervé, Françoise Bergametti, Clémence Jacquet, Typhaine Morvan, Carol Prieto-Morin, Alexandre Mackowiak, Eric Manchon, Hassan Hosseini, Charlotte Cordonnier, Isabelle Girard-Buttaz, Sophie Rosenstingl, Christian Hagel, Gregor Kuhlenbaümer, Elena Leca-Radu, Didier Goux, Lauren Fleming, Tom Van Agtmael, Hugues Chabriat, Françoise Chapon, Elisabeth Tournier-Lasserve
OBJECTIVE: Cerebral small vessel disease (cSVD) is a heterogeneous group of disorders. Screening of known cSVD genes identifies the causative mutation in <15% of familial cSVD cases. We sought to identify novel causes of cSVD. METHODS: We used linkage analysis and exome sequencing to identify the causal mutation in a French cSVD family. The identified candidate gene was then screened in 202 cSVD unrelated probands, including 1 proband from the first reported pontine autosomal dominant microangiopathy with leukoencephalopathy (PADMAL) family...
November 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27662299/white-matter-hyperintensities-potentiate-hippocampal-volume-reduction-in-non-demented-older-individuals-with-abnormal-amyloid-%C3%AE
#17
Whitney M Freeze, Heidi I L Jacobs, Ed H Gronenschild, Jacobus F A Jansen, Saartje Burgmans, Pauline Aalten, Lies Clerx, Stephanie J Vos, Mark A van Buchem, Frederik Barkhof, Wiesje M van der Flier, Marcel M Verbeek, Marcel Olde Rikkert, Walter H Backes, Frans R Verhey
Cerebral small vessel disease (cSVD) and amyloid-β (Aβ) deposition often co-exist in (prodromal) dementia, and both types of pathology have been associated with neurodegeneration. We examined whether cSVD and Aβ have independent or interactive effects on hippocampal volume (HV) in a memory clinic population. We included 87 individuals with clinical diagnoses of Alzheimer's disease (AD) (n = 24), mild cognitive impairment (MCI) (n = 26), and subjective cognitive complaints (SCC) (n = 37). cSVD magnetic resonance imaging markers included white matter hyperintensity (WMH) volume, lacunar infarct presence, and microbleed presence...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27643197/os-34-04-safety-of-early-intensive-blood-pressure-lowering-in-cerebral-small-vessel-disease-and-chronic-kidney-disease-in-acute-intracerebral-hemorrhage
#18
Craig Anderson, Shoichiro Sato, Candice Delcourt, Hisatomi Arima, Shihong Zhang, Rustam RAl-Shahi Salman, Christian Stapf, Dan Woo, Matthew Flaherty, Achala Vagal, Jiguang Wang, John Chalmers
OBJECTIVE: The INTERACT2 trial demonstrated beneficial effects of early intensive blood pressure (BP) lowering in intracerebral hemorrhage (ICH). However, concerns persist over harms associated with the treatment, particularly in patients with cerebral small vessel disease (CSVD) (ie white matter lesions [WML], lacunes and atrophy) and renal failure. We determined associations of CSVD, and renal failure, on outcomes in INTERACT2 participants. DESIGN AND METHOD: There were 2069/2839 patients with baseline brain CT (< 6hr ICH onset)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27350079/cilostazol-reduces-blood-brain-barrier-dysfunction-white-matter-lesion-formation-and-motor-deficits-following-chronic-cerebral-hypoperfusion
#19
Hamidreza Edrissi, Sarah C Schock, Robert Cadonic, Antoine M Hakim, Charlie S Thompson
Cerebral small vessel disease (CSVD) is a pathological process leading to lacunar infarcts, leukoaraiosis and cerebral microbleeds. Dysfunction of the blood brain barrier (BBB) has been proposed as a mechanism in the progression cerebral small vessel disease. A rodent model commonly used to study some aspects of CSVD is bilateral common carotid artery occlusion (BCCAO) in the rat. In the present study it was determined that gait impairment, as determined by a tapered beam test, and BBB permeability increased following BCCAO...
September 1, 2016: Brain Research
https://www.readbyqxmd.com/read/27318142/cerebral-microbleeds-are-associated-with-physical-frailty-a-community-based-study
#20
Chih-Ping Chung, Kun-Hsien Chou, Wei-Ta Chen, Li-Kuo Liu, Wei-Ju Lee, Liang-Kung Chen, Ching-Po Lin, Pei-Ning Wang
The present study aimed to evaluate whether cerebral microbleeds (CMBs), as a presentation of cerebral small vessel diseases (CSVDs), are associated with physical frailty. This is a cross-sectional evaluation in participants from a community-based study, the I-Lan Longitudinal Aging Study. The physical frail status was evaluated using the Cardiovascular Health Study score, which includes components of weakness, low physical activity, slowness, exhaustion, and weight loss. The CMBs were assessed with magnetic resonance imaging using susceptibility-weighted imaging...
August 2016: Neurobiology of Aging
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