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vascular cognitive impairment

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https://www.readbyqxmd.com/read/28210541/a-t1-and-dti-fused-3d-corpus-callosum-analysis-in-mci-subjects-with-high-and-low-cardiovascular-risk-profile
#1
Yi Lao, Binh Nguyen, Sinchai Tsao, Niharika Gajawelli, Meng Law, Helena Chui, Michael Weiner, Yalin Wang, Natasha Leporé
Understanding the extent to which vascular disease and its risk factors are associated with prodromal dementia, notably Alzheimer's disease (AD), may enhance predictive accuracy as well as guide early interventions. One promising avenue to determine this relationship consists of looking for reliable and sensitive in-vivo imaging methods capable of characterizing the subtle brain alterations before the clinical manifestations. However, little is known from the imaging perspective about how risk factors such as vascular disease influence AD progression...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28207506/higher-subcortical-and-white-matter-cerebral-blood-flow-in-perinatally-hiv-infected-children
#2
Charlotte Blokhuis, Henri J M M Mutsaerts, Sophie Cohen, Henriëtte J Scherpbier, Matthan W A Caan, Charles B L M Majoie, Taco W Kuijpers, Peter Reiss, Ferdinand W N M Wit, Dasja Pajkrt
This study aimed to evaluate cerebral blood flow (CBF) in pediatric human immunodeficiency virus (HIV)-infection, and its role in HIV-related cerebral injury and cognitive impairment.This cross-sectional observational study compared 28 perinatally HIV-infected children (8-18 years) to 34 healthy controls matched for age, sex, ethnicity, and socio-economic status. All participants underwent 3-Tesla magnetic resonance imaging, using arterial spin labeling to assess CBF in gray matter (GM), white matter (WM), basal ganglia, and thalamus...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28205009/mixed-pathologies-including-chronic-traumatic-encephalopathy-account-for-dementia-in-retired-association-football-soccer-players
#3
Helen Ling, Huw R Morris, James W Neal, Andrew J Lees, John Hardy, Janice L Holton, Tamas Revesz, David D R Williams
In retired professional association football (soccer) players with a past history of repetitive head impacts, chronic traumatic encephalopathy (CTE) is a potential neurodegenerative cause of dementia and motor impairments. From 1980 to 2010, 14 retired footballers with dementia were followed up regularly until death. Their clinical data, playing career, and concussion history were prospectively collected. Next-of-kin provided consent for six to have post-mortem brain examination. Of the 14 male participants, 13 were professional and 1 was a committed amateur...
February 15, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28203692/neuropsychological-profiles-of-vascular-disease-and-risk-of-dementia-implications-for-defining-vascular-cognitive-impairment-no-dementia-vci-nd
#4
Blossom Christa Maree Stephan, Thais Minett, Graciela Muniz-Terrera, Stephanie L Harrison, Fiona E Matthews, Carol Brayne
No abstract text is available yet for this article.
February 14, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28202477/vitamin-d-is-not-associated-with-incident-dementia-or-cognitive-impairment-an-18-y-follow-up-study-in-community-living-old-men
#5
Erika Olsson, Liisa Byberg, Brita Karlström, Tommy Cederholm, Håkan Melhus, Per Sjögren, Lena Kilander
Background: Vitamin D has been implicated as being important for maintaining cognitive function in old age. Results from longitudinal studies examining the association of vitamin D with incident dementia and cognitive impairment have been inconsistent.Objective: We investigated the relation between vitamin D, assessed in 3 different ways, and the risk of dementia.Design: We measured plasma 25-hydroxyvitamin D [25(OH)D] with the use of high-performance liquid chromatography-mass spectrometry, assessed dietary vitamin D intake with the use of 7-d dietary records, and created a vitamin D-synthesis genetic risk score (GRS) at baseline (1991-1995) in a cohort of 1182 Swedish men (mean age: 71 y)...
February 15, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28188218/focal-solute-trapping-and-global-glymphatic-pathway-impairment-in-a-murine-model-of-multiple-microinfarcts
#6
Minghuan Wang, Fengfei Ding, SaiYue Deng, Xuequn Guo, Wei Wang, Jeffrey J Iliff, Maiken Nedergaard
Microinfarcts occur commonly in the aging brain as a consequence of diffuse embolic events and are associated with the development of vascular dementia and Alzheimer's disease. Yet the manner in which disperse microscopic lesions reduce global cognitive function and increase the risk for Alzheimer's disease is unclear. The glymphatic system, which is a brain-wide perivascular network that supports the recirculation of CSF through the brain parenchyma, facilitates the clearance of interstitial solutes including amyloid beta and tau...
February 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28185658/long-term-outcome-in-patients-with-transient-global-amnesia-a-population-based-study
#7
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...
February 6, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28179386/cognitive-impairment-and-depressive-symptoms-coexisting-in-an-elderly-man
#8
Ruziana Masiran, Nicholas Tze Ping Pang
We report a case of a man aged 67 years presenting with recent depressive symptoms and paranoid ideations in addition to 1-year cognitive impairment. He has vascular risk factors and family history of memory loss. An episode of depression 2 decades ago resolved spontaneously but was followed by occupational decline. On mental state examination, he denied having depressed mood, hallucinations or delusions, but there were prominent word-finding difficulties and impaired attention and concentration.
February 8, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28178960/ultrasound-and-dynamic-functional-imaging-in-vascular-cognitive-impairment-and-alzheimer-s-disease
#9
REVIEW
Branko Malojcic, Panteleimon Giannakopoulos, Farzaneh A Sorond, Elsa Azevedo, Marina Diomedi, Janja Pretnar Oblak, Nicola Carraro, Marina Boban, Laszlo Olah, Stephan J Schreiber, Aleksandra Pavlovic, Zsolt Garami, Nantan M Bornstein, Bernhard Rosengarten
BACKGROUND: The vascular contributions to neurodegeneration and neuroinflammation may be assessed by magnetic resonance imaging (MRI) and ultrasonography (US). This review summarises the methodology for these widely available, safe and relatively low cost tools and analyses recent work highlighting their potential utility as biomarkers for differentiating subtypes of cognitive impairment and dementia, tracking disease progression and evaluating response to treatment in various neurocognitive disorders...
February 9, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28176002/dysfunction-of-the-blood-cerebrospinal-fluid-barrier-and-n-methyl-d-aspartate-glutamate-receptor-antibodies-in-dementias
#10
Mandy Busse, Ralf Kunschmann, Henrik Dobrowolny, Jessica Hoffmann, Bernhard Bogerts, Johann Steiner, Thomas Frodl, Stefan Busse
N-Methyl-D-aspartate glutamate receptor (NMDA-R) antibodies (Abs) could play a role in neurodegenerative disorders. Since, in these diseases, NMDA-R Abs were detected in serum, but only sporadic in cerebrospinal fluid (CSF), the origin and impact of the Abs are still unresolved. We examined the presence of NMDA-R Abs in serum and CSF using a cell-based immunofluorescence assay as well as the function of the blood-CSF-barrier (B-CSF-B) by determination of Q albumin (ratio of albumin in CSF and serum) in patients with mild cognitive impairment (MCI; N = 59) and different types of dementia, Alzheimer's disease (AD; N = 156), subcortical ischemic vascular dementia (SIVD; N = 61), and frontotemporal dementia (FTD; N = 34)...
February 8, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28162137/are-parkinson-s-patients-more-vulnerable-to-the-effects-of-cardiovascular-risk-a-neuroimaging-and-neuropsychological-study
#11
Jacob D Jones, Jared J Tanner, Michael Okun, Catherine C Price, Dawn Bowers
OBJECTIVES: This study examined whether individuals with Parkinson's disease (PD) are at increased vulnerability for vascular-related cognitive impairment relative to controls. The underlying assumption behind this hypothesis relates to brain reserve and that both PD and vascular risk factors impair similar fronto-executive cognitive systems. METHODS: The sample included 67 PD patients and 61 older controls (total N=128). Participants completed neuropsychological measures of executive functioning, processing speed, verbal delayed recall/memory, language, and auditory attention...
February 6, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28161476/markers-of-neuroinflammation-associated-with-alzheimer-s-disease-pathology-in-older-adults
#12
Julius Popp, Aikaterini Oikonomidi, Domilė Tautvydaitė, Loïc Dayon, Michael Bacher, Eugenia Migliavacca, Hugues Henry, Richard Kirkland, India Severin, Jérôme Wojcik, Gene L Bowman
BACKGROUND: In vitro and animal studies have linked neuroinflammation to Alzheimer's disease (AD) pathology. Studies on markers of inflammation in subjects with mild cognitive impairment or AD dementia provided inconsistent results. We hypothesized that distinct blood and cerebrospinal fluid (CSF) inflammatory markers are associated with biomarkers of amyloid and tau pathology in older adults without cognitive impairment or with beginning cognitive decline. OBJECTIVE: To identify blood-based and CSF neuroinflammation marker signatures associated with AD pathology (i...
February 1, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28161339/amyloid-%C3%AE-related-angiitis-a-report-of-two-cases-with-unusual-presentations
#13
Denise W Ng, Shino Magaki, Kevin H Terashima, Adrienne M Keener, Noriko Salamon, Stellios Karnezis, Luke Macyszyn, Harry V Vinters
Amyloid-β related angiitis (ABRA) is a rare complication of cerebral amyloid angiopathy in which amyloid-β (Aβ) deposition in the leptomeningeal and cortical vessels is associated with vasculitis characterized by transmural lymphohistiocytic, often granulomatous, inflammation. Patients usually present with acute to subacute cognitive dysfunction, headaches, and focal neurologic deficits. We report two cases of ABRA with unusual clinical presentations, including one case with fatal cerebral edema leading to herniation and Duret hemorrhages, and another associated with both lobar and deep parenchymal hemorrhages with intraventricular extension as well as hypercoagulability...
February 1, 2017: Human Pathology
https://www.readbyqxmd.com/read/28154105/vascular-cognitive-impairment
#14
Martin Dichgans, Didier Leys
Cerebrovascular disease typically manifests with stroke, cognitive impairment, or both. Vascular cognitive impairment refers to all forms of cognitive disorder associated with cerebrovascular disease, regardless of the specific mechanisms involved. It encompasses the full range of cognitive deficits from mild cognitive impairment to dementia. In principle, any of the multiple causes of clinical stroke can cause vascular cognitive impairment. Recent work further highlights a role of microinfarcts, microhemorrhages, strategic white matter tracts, loss of microstructural tissue integrity, and secondary neurodegeneration...
February 3, 2017: Circulation Research
https://www.readbyqxmd.com/read/28152169/albuminuria-in-association-with-cognitive-function-and-dementia-a-systematic-review-and-meta-analysis
#15
Marios K Georgakis, Nikolaos G Dimitriou, Maria A Karalexi, Constantinos Mihas, Efthimia G Nasothimiou, Dimitrios Tousoulis, Georgios Tsivgoulis, Eleni Th Petridou
OBJECTIVES: Cerebral microvascular disease is considered to contribute to cognitive dysfunction. We opted to explore whether albuminuria, a marker of systemic microangiopathy, is associated with cognitive impairment, dementia, and cognitive function. DESIGN: Systematic review; independent reviewers screened 2359 articles, derived through the search strategy, for identification of observational studies quantifying an association of albuminuria with the outcomes of interest, abstracted data on study characteristics and results and evaluated studies on quality using the Newcastle-Ottawa scale...
February 2, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28148589/lesson-of-the-month-2-transient-reversible-amnesia-in-multiple-sclerosis
#16
Priya Devi Shanmugarajah, Jane Alty, Oliver Lily, Helen L Ford
Transient amnestic syndromes are fascinating clinical entities and there are several subtypes. Transient global amnesia (TGA) is characterised by sudden onset of anterograde amnesia with repetitive questioning, lasting less than 24 hours. The pathophysiology of TGA involves the medial temporal lobes and hippocampi. Episodes of TGA are thought to involve venous congestion with Valsalva-like activities, vascular or migrainous mechanisms. In contrast, transient epileptic amnesia manifests as brief and frequent episodes of amnesia due to seizure activity in the temporal lobes...
February 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28145815/dl-3-n-butylphthalide-can-improve-the-cognitive-function-of-patients-with-acute-ischemic-stroke-a-prospective-intervention-study
#17
Haiqing Yan, Zhixin Yan, Xiaolu Niu, Jianling Wang, Yongkun Gui, Ping Zhang
OBJECTIVES: The present study investigated the effects of dl-3-n-butylphthalide on cognitive function of patients with acute ischemic stroke (AIS). METHODS: A total of 104 patients with AIS admitted between October 2012 and June 2013 were assigned to either the Treatment (standardized treatment plus dl-3-n-butylphthalide) or Control (standardized treatment alone) groups. Cognitive function was assessed by the Beijing version of the Montreal Cognitive Assessment (MoCA-BJ) and Mini-Mental State Examination (MMSE) before and 1 month after treatment, when high-sensitivity C-reactive protein (hs-CRP) and homocysteine (Hcy) were also detected...
February 1, 2017: Neurological Research
https://www.readbyqxmd.com/read/28143956/correlation-between-serum-s100%C3%AE-protein-levels-and-cognitive-dysfunction-in-patients-with-cerebral-small-vessel-disease-a-case-control-study
#18
Fei Wang, Zhi-Rong Zou, Dong Yuan, Yi Gong, Li Zhang, Xun Chen, Tao Sun, Hua-Lin Yu
The present study is designed to explore the correlation between serum S100β level and cognitive dysfunction in patients with cerebral small vessel disease (SVD). A total of 172 SVD patients were participated into the study, and they were assigned into patients with no cognitive impairment (NCI group) and those with vascular cognitive impairment no dementia (VCIND group). Besides, 105 people were recruited as the normal control group. Serum S100β protein level was detected by ELISA. Receiver operating characteristic (ROC) curve was employed the predictive value of serum S100β in diagnosing SVD with cognitive dysfunction...
January 31, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28131207/the-correlation-between-cerebral-arterial-pulsatility-and-cognitive-dysfunction-in-alzheimer-s-disease-patients
#19
Jae-Sung Lim, Jee Young Lee, Hyung-Min Kwon, Yong-Seok Lee
BACKGROUND: Potential role of vascular dysfunction has been suggested in the pathogenesis of Alzheimer's disease (AD). Previous cross-sectional studies have demonstrated relations between abnormal transcranial Doppler (TCD) parameters and cognitive impairment. We aimed to investigate the associations between longitudinal changes of TCD parameters and cognitive decline in patients with AD. METHODS: We have enrolled patients with mild to moderate AD who aged 60 to 79years...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28131162/resting-state-fmri-regional-homogeneity-correlates-with-cognition-measures-in-subcortical-vascular-cognitive-impairment
#20
Stefano Diciotti, Stefano Orsolini, Emilia Salvadori, Antonio Giorgio, Nicola Toschi, Stefano Ciulli, Andrea Ginestroni, Anna Poggesi, Nicola De Stefano, Leonardo Pantoni, Domenico Inzitari, Mario Mascalchi
BACKGROUND: The hyperintensity of cerebral white matter (WM) in T2-weighted MR images of elderly subjects due to small vessel disease (SVD) is associated with variable clinical features including mild cognitive impairment (MCI), also termed subcortical vascular cognitive impairment (SVCI). The latter is typically characterized by psychomotor slowing, attention deficits, and executive dysfunctions. We hypothesized that functional brain changes might be associated with these distinctive cognitive deficits in patients with SVCI...
February 15, 2017: Journal of the Neurological Sciences
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