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leukoaraiosis

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https://www.readbyqxmd.com/read/28527587/relationship-between-carotid-computed-tomography-dual-energy-and-brain-leukoaraiosis
#1
Luca Saba, Roberto Sanfilippo, Antonella Balestrieri, Fulvio Zaccagna, Giovanni Maria Argiolas, Jasjit S Suri, Roberto Montisci
BACKGROUND: The purpose of this study was to assess if there is a correlation between the carotid computed tomography (CT) Hounsfield unit (HU)-based plaque attenuation values measured using dual-energy CT (DECT) scanner and brain leukoaraiosis (LA). METHODS: Fifty consecutive patients (34 males, 16 females; mean age, 69 years; age range, 46-84 years) who underwent carotid CT and brain magnetic resonance imaging were included in the study. CT examinations were performed with a DECT scanner, and LA lesion volume quantification was performed using a semiautomated segmentation technique...
May 17, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28494456/proton-magnetic-resonance-spectroscopy-study-on-the-metabolism-changes-of-cerebellum-in-patients-with-post-stroke-depression
#2
Lei Zhang, Ru-Bo Sui
OBJECTIVE: To study the metabolic changes of cerebellum by proton magnetic resonance Spectroscopy (1H-MRS) and discuss the relationships between the cerebellar changes and depression severity in patients with post-stroke depression. METHODS AND RESULTS: Data of demographic characteristics, individual history and life style of all subjects were collected. 40 patients with stroke and 20 controls were enrolled. All groups received T1WI, T2WI, DWI and 1H-MRS examination...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28456792/implications-of-cha2ds2-vasc-score-in-stroke-patients-with-atrial-fibrillation-an-analysis-of-938-korean-patients
#3
Jaechun Hwang, Jong-Won Chung, Mi Ji Lee, Gyeong-Moon Kim, Chin-Sang Chung, Kwang Ho Lee, Oh Young Bang
BACKGROUND AND AIMS: The aim of this study was to investigate the stroke mechanisms and associated conditions influencing the decision regarding stroke thromboprophylaxis in patients with atrial fibrillation (AF) plus ischemic stroke, according to the CHA2DS2-VASc score. METHODS: We evaluated 938 consecutive patients with a diagnosis of AF plus transient ischemic attack/ischemic stroke. Based on the CHA2DS2-VASc scores, patients were stratified as score 0 or 1 (n = 151), score 2 (n = 146), score 3 (n = 213), score 4 (n = 185), or score ≥5 (n = 243)...
April 29, 2017: European Neurology
https://www.readbyqxmd.com/read/28445276/correlation-between-prefrontal-striatal-pathway-impairment-and-cognitive-impairment-in-patients-with-leukoaraiosis
#4
Shuangkun Wang, Junliang Yuan, Xiaojuan Guo, Leilei Teng, Hua Jiang, Hua Gu, Wenli Hu, Tao Jiang
Our study aimed to investigate the changes of white matter microstructure of cortico-subcortical pathways using diffusion tensor imaging (DTI), and to explore the relationship between abnormal parameters of DTI and cognitive function underlying in patients with leukoaraiosis (LA).A total of 42 patients with LA and 42 age- and sex-matched healthy controls were recruited from Beijing Chaoyang Hospital, Capital Medical University between January 2012 and December 2012. All the subjects underwent scans of conventional magnetic resonance imaging and DTI, and a comprehensive neuropsychological battery was utilized...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28427705/presence-of-central-veins-and-susceptibility-weighted-imaging-for-evaluating-lesions-in-multiple-sclerosis-and-leukoaraiosis
#5
Urška Lamot, Jernej Avsenik, Saša Šega, Katarina Šurlan Popovič
PURPOSE: The process of demyelination in multiple sclerosis (MS) is reflected in lesions of the central nervous system (CNS), which are found in an abundance of different diseases and are frequently radiographically indistinguishable. Our aim was to determine whether the perivenous distribution of MS lesions identified on susceptibility weighted images (SWI) could be used as a specific radiographic sign for MS, and also to determine whether the visibility of the central vein (CV) is affected by the activity of MS lesions...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28386174/confirmation-of-the-abnormal-lipid-metabolism-as-a-risk-factor-for-the-disease-of-leukoaraiosis
#6
Junying Shi, Kai Hao, Peihong Qi, Xiaogang Xie, Xinhuan Yang, Mei Dong, Yingjie Shang, Sijia Zhang
Our purpose is to screen out medical history indicators and test indicators linked to lipid metabolism which is closely correlated to leukoaraiosis (LA), and to build assistant diagnosis model based on support vector machine (SVM), which provided theoretical evidence for genesis and development of LA. One thousand LA patients who underwent magnetic resonance imaging (MRI) examination in Imaging Department was retrospectively analyzed and divided into LA group and non-LA group in accordance with examination results...
March 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28386036/silent-brain-infarctions-and-leukoaraiosis-in-patients-with-retinal-ischemia-a-prospective-single-center-observational-study
#7
Amir Golsari, Diana Bittersohl, Bastian Cheng, Pia Griem, Christoph Beck, Andrea Hassenstein, Max Nedelmann, Tim Magnus, Jens Fiehler, Christian Gerloff, Götz Thomalla
BACKGROUND AND PURPOSE: We aimed to determine the incidence of co-occurring cerebral ischemia, extent of cerebral small vessel disease, and vascular risk profile of patients with acute retinal ischemia. METHODS: RETIS (Frequency of Acute Silent Brain Infarction and Systematic Evaluation of Stroke Risk in Retinal Ischemia) was a single-center, prospective, observational study comprising ophthalmologic examination, brain magnetic resonance imaging, and extensive diagnostic work-up of vascular risk factors and stroke cause...
May 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28343367/magnetic-resonance-imaging-features-of-leukoaraiosis-in-elderly-dogs
#8
Elena Scarpante, Giunio Bruto Cherubini, Alberta de Stefani, Olivier Taeymans
Leukoaraiosis is a descriptive term used to designate bilateral, symmetrical, white matter lesions identified in brains of elderly human patients. These lesions are isointense to normal in magnetic resonance imaging (MRI) T1-weighted pulse sequences, non-contrast enhancing, and hyperintense in T2-weighted and FLAIR pulse sequences. Pathophysiologic mechanisms for leukoaraiosis remain incompletely understood; however, an ischemic origin is currently being favored. Age-related changes, such as brain atrophy, ventricular enlargement, and well-demarcated sulci, have also been previously described in dogs over 9 years of age...
March 26, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28337932/stroke-lesions-in-a-large-upper-limb-rehabilitation-trial-cohort-rarely-match-lesions-in-common-preclinical-models
#9
Matthew A Edwardson, Ximing Wang, Brent Liu, Li Ding, Christianne J Lane, Caron Park, Monica A Nelsen, Theresa A Jones, Steven L Wolf, Carolee J Winstein, Alexander W Dromerick
BACKGROUND: Stroke patients with mild-moderate upper extremity motor impairments and minimal sensory and cognitive deficits provide a useful model to study recovery and improve rehabilitation. Laboratory-based investigators use lesioning techniques for similar goals. OBJECTIVE: To determine whether stroke lesions in an upper extremity rehabilitation trial cohort match lesions from the preclinical stroke recovery models used to drive translational research. METHODS: Clinical neuroimages from 297 participants enrolled in the Interdisciplinary Comprehensive Arm Rehabilitation Evaluation (ICARE) study were reviewed...
June 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28332250/visual-hallucinations-in-patients-with-acute-stroke-a-prospective-exploratory-study
#10
E Morenas-Rodríguez, P Camps-Renom, A Pérez-Cordón, A Horta-Barba, M Simón-Talero, E Cortés-Vicente, D Guisado-Alonso, E Vilaplana, C García-Sánchez, A Gironell, C Roig, R Delgado-Mederos, J Martí-Fàbregas
BACKGROUND AND PURPOSE: The incidence, underlying physiopathology, features and association with lesion topography of visual hallucinations in acute stroke have scarcely been investigated. METHODS: Patients with a diagnosis of acute stroke (ischaemic or haemorrhagic) in any vascular territory, admitted within 24 h after the onset of symptoms, were consecutively included in the study. Patients with a previous history of psychosis or cognitive impairment were excluded...
May 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28326034/the-presence-of-previous-cerebral-microbleeds-has-a-negative-effect-on-hypertensive-intracerebral-hemorrhage-recovery
#11
Kang Yang, Yulan Feng, JinJin Mu, Ningzhen Fu, Shufen Chen, Yi Fu
Background and Purpose: Cerebral microbleeds are an intracerebral microangiopathy with bleeding tendency found in intracerebral hemorrhage patients. However, studies about cerebral microbleed effects on the prognosis of hypertensive intracerebral hemorrhage patients are rare. We performed a prospective study to discuss not only the risk factors of cerebral microbleed incidence in hypertensive intracerebral hemorrhage patients but also the relevance of cerebral microbleeds with silent brain infarction, hemorrhage and prognosis...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28316994/multiple-factors-involved-in-the-pathogenesis-of-white-matter-lesions
#12
REVIEW
Jing Lin, Dilong Wang, Linfang Lan, Yuhua Fan
White matter lesions (WMLs), also known as leukoaraiosis (LA) or white matter hyperintensities (WMHs), are characterized mainly by hyperintensities on T2-weighted or fluid-attenuated inversion recovery (FLAIR) images. With the aging of the population and the development of imaging technology, the morbidity and diagnostic rates of WMLs are increasing annually. WMLs are not a benign process. They clinically manifest as cognitive decline and the subsequent development of dementia. Although WMLs are important, their pathogenesis is still unclear...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28314624/cerebral-white-matter-hypoperfusion-increases-with-small-vessel-disease-burden-data-from-the-third-international-stroke-trial
#13
Francesco Arba, Grant Mair, Trevor Carpenter, Eleni Sakka, Peter A G Sandercock, Richard I Lindley, Domenico Inzitari, Joanna M Wardlaw
BACKGROUND: Leukoaraiosis is associated with impaired cerebral perfusion, but the effect of individual and combined small-vessel disease (SVD) features on white matter perfusion is unclear. METHODS: We studied patients recruited with perfusion imaging in the Third International Stroke Trial. We rated individual SVD features (leukoaraiosis, lacunes) and brain atrophy on baseline plain computed tomography or magnetic resonance imaging. Separately, we assessed white matter at the level of the lateral ventricles in the cerebral hemisphere contralateral to the stroke for visible areas of hypoperfusion (present or absent) on 4 time-based perfusion imaging parameters...
March 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28302089/leukoaraiosis-is-associated-with-pneumonia-after-acute-ischemic-stroke
#14
Ki-Woong Nam, Hyung-Min Kwon, Jae-Sung Lim, Yong-Seok Lee
BACKGROUND: Stroke-associated pneumonia (SAP) is common in patients with acute ischemic stroke, and several risk factors have been reported. However, the relationship between underlying leukoaraiosis (LA) and SAP has not been addressed. METHODS: We collected consecutive patients with acute ischemic stroke within 24 h of symptom onset. SAP was defined as the lower respiratory tract infection within the first 7 days after stroke onset, according to the modified Centers for Disease Control and Prevention criteria...
March 16, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28237126/the-association-between-leukoaraiosis-and-poor-outcome-in-intracerebral-hemorrhage-is-not-mediated-by-hematoma-growth
#15
Marek Sykora, Christian Herweh, Thorsten Steiner
BACKGROUND: The significance of white matter lesions (WMLs) in intracerebral hemorrhage (ICH) remains unclear. We investigated the effects of WML on initial hematoma volume, hematoma growth, intraventricular extension, and clinical outcome in patients with spontaneous ICH. METHODS: Computed tomography scans of 262 patients included in a placebo arm of a prospective, multicenter trial were used for a semi-quantitative analysis of white matter changes. A logistic regression analysis was used to explore the effects on hematoma volume, volume changes, intraventricular hemorrhage, and clinical outcome after 90 days...
February 22, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28225497/analysis-of-risk-factors-in-patients-with-leukoaraiosis
#16
Jiaxin Guan, Chaoqi Yan, Qiang Gao, Jun Li, Li Wang, Ming Hong, Xiuhai Zheng, Zhiqiang Song, Mei Li, Meiling Liu, Ying Fan, Lan Ma
To investigate the risk factors for leukoaraiosis (LA) and the correlation between risk factors and LA.The study comprised 92 patients with diagnoses of LA (LA group) and 56 non-LA individuals (control group). Data were collected for the following: age, gender, fasting blood glucose, total cholesterol, triglyceride, high- and low-density lipoprotein cholesterol, uric acid, creatinine, and histories of smoking, hypertension, and diabetes. Levels of serum asymmetric dimethylarginine (ADMA) were detected by enzyme-linked immunosorbent assay...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28224695/distal-hyperintense-vessel-sign-is-associated-with-neurological-deterioration-in-acute-ischaemic-stroke
#17
K-W Nam, H-M Kwon, S-W Park, J-S Lim, M-K Han, Y-S Lee
BACKGROUND AND PURPOSE: The aim was to evaluate the relationship between distal hyperintense vessel sign (HVS) and early neurological deterioration (END) in acute ischaemic stroke with large vessel steno-occlusion. METHODS: Acute ischaemic stroke patients with symptomatic severe steno-occlusion in the middle cerebral artery or internal carotid artery were recruited within 24 h from symptom onset. Stroke outcomes were evaluated using the National Institutes of Health Stroke Scale (NIHSS) score at the time of admission and at 72 h and 7 days...
February 22, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28222562/impaired-scaling-of-preparatory-postural-responses-to-repeated-balance-perturbations-in-parkinsonian-patients-with-comorbid-white-matter-disease
#18
David Cioncoloni, Lodovica Martelli, Deborah Rosignoli, Riccardo Mazzocchio
BACKGROUND: Postural instability may result from altered sequencing of automatic motor programs for anticipatory postural corrections and/or impaired motor learning in Parkinson Disease (PD) patients. Comorbid white matter disease is a major determinant of axial motor impairment, leading to poorer stability than nigrostriatal dopaminergic denervation per se. OBJECTIVE: To assess differences in anticipatory control of postural stability function between subjects affected by PD with comorbid leukoaraiosis (LPD), idiopathic Parkinson disease (IPD) and elderly healthy subjects (EHS) as control group...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28202707/cadasil-accelerated-by-acute-hypotension-arterial-and-venous-contribution-to-leukoaraiosis
#19
Jacqueline A Pettersen, Julia Keith, Fuqiang Gao, J David Spence, Sandra E Black
OBJECTIVE: To underline the importance of blood pressure regulation in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and to describe changes that occur in the veins in this condition, specifically venous collagenosis associated with leukoaraiosis. METHODS: Case report with neuroimaging and pathologic data. RESULTS: A 61-year-old man with genetically confirmed CADASIL was initially lucid following a motor vehicle accident but subsequently became hypotensive (60/40 mm Hg) due to an open femur fracture and required intubation...
March 14, 2017: Neurology
https://www.readbyqxmd.com/read/28190826/leukoaraiosis-is-associated-with-worse-short-term-functional-and-cognitive-recovery-after-minor-stroke
#20
Zheng Zhang, Wenwei Ren, Bei Shao, Huiqin Xu, Jianhua Cheng, Qiongzhang Wang, Yingying Gu, Beilei Zhu, Jincai He
Whether leukoaraiosis burden retards short-term recovery after minor stroke is unclear. We investigated the association between leukoaraiosis and early recovery of neurological function after a first minor ischemic stroke in 217 acute stroke patients (National Institutes of Health Stroke Scale (NIHSS) score ≤5). Leukoaraiosis severity was graded according to the Fazekas scale and categorized into none to mild (0-2; n = 143) or severe (3-6; n = 74) groups. NIHSS and Minimum Mental State Examination (MMSE) were assessed at baseline and at 30 days...
March 15, 2017: Neurologia Medico-chirurgica
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