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Small vessel cerebrovascular disease

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https://www.readbyqxmd.com/read/29780860/microbleeds-are-associated-with-depressive-symptoms-in-alzheimer-s-disease
#1
Anna E Leeuwis, Niels D Prins, Astrid M Hooghiemstra, Marije R Benedictus, Philip Scheltens, Frederik Barkhof, Wiesje M van der Flier
Introduction: Co-occurrence of cerebrovascular disease and depression led to the "vascular depression hypothesis". White matter hyperintensities (WMHs) have been associated with depressive symptoms in population-based studies. We studied the association between small vessel disease and depressive symptoms in a memory clinic population. Methods: We included >2000 patients with subjective cognitive decline (SCD), mild cognitive impairment, and Alzheimer's disease (AD)...
2018: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
https://www.readbyqxmd.com/read/29753656/-small-vessel-cerebrovascular-disease
#2
P Cardona Portela, A Escrig Avellaneda
Small vessel vascular disease is a spectrum of different conditions that includes lacunar infarction, alteration of deep white matter, or microbleeds. Hypertension is the main risk factor, although the atherothrombotic lesion may be present, particularly in large-sized lacunar infarctions along with other vascular risk factors. MRI findings are characteristic and the lesions authentic biomarkers that allow differentiating the value of risk factors and defining their prognostic value.
May 9, 2018: Hipertensión y Riesgo Vascular
https://www.readbyqxmd.com/read/29752348/genetic-study-of-white-matter-integrity-in-uk-biobank-n-8448-and-the-overlap-with-stroke-depression-and-dementia
#3
Loes C A Rutten-Jacobs, Daniel J Tozer, Marco Duering, Rainer Malik, Martin Dichgans, Hugh S Markus, Matthew Traylor
BACKGROUND AND PURPOSE: Structural integrity of the white matter is a marker of cerebral small vessel disease, which is the major cause of vascular dementia and a quarter of all strokes. Genetic studies provide a way to obtain novel insights in the disease mechanism underlying cerebral small vessel disease. The aim was to identify common variants associated with microstructural integrity of the white matter and to elucidate the relationships of white matter structural integrity with stroke, major depressive disorder, and Alzheimer disease...
May 11, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29736422/cerebral-microbleeds-and-blood-pressure-abnormalities-in-parkinson-s-disease
#4
Kazuo Yamashiro, Ryota Tanaka, Yasushi Shimo, Genko Oyama, Takashi Ogawa, Atsushi Umemura, Nobutaka Hattori
Blood pressure abnormalities are frequently observed in patients with Parkinson's disease (PD), and are associated with cerebrovascular diseases such as white matter hyperintensities and carotid atherosclerosis. We assessed the relationship between blood pressure abnormalities and cerebral microbleeds (CMBs), a marker of cerebral small vessel disease, in 128 patients with PD. We examined supine and orthostatic blood pressures and used 24-hour ambulatory blood pressure monitoring to assess the presence or absence of orthostatic hypotension (OH), supine hypertension (SH), nocturnal hypertension (NH), and loss of nocturnal blood pressure dips (non-dipping)...
March 2018: ENeurologicalSci
https://www.readbyqxmd.com/read/29726891/understanding-the-role-of-the-perivascular-space-in-cerebral-small-vessel-disease
#5
Rosalind Brown, Helene Benveniste, Sandra E Black, Serge Charpak, Martin Dichgans, Anne Joutel, Maiken Nedergaard, Kenneth J Smith, Berislav V Zlokovic, Joanna M Wardlaw
Small vessel diseases are a group of disorders that result from pathological alteration of the small blood vessels in the brain, including the small arteries, capillaries and veins. Of the 35-36 million people that are estimated to suffer from dementia worldwide, up to 65% have an SVD component. Furthermore, SVD causes 20-25% of strokes, worsens outcome after stroke and is a leading cause of disability, cognitive impairment and poor mobility. Yet the underlying cause(s) of SVD are not fully understood.Magnetic resonance imaging (MRI) has confirmed enlarged perivascular spaces (PVS) as a hallmark feature of SVD...
May 2, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29712883/small-vessels-dementia-and-chronic-diseases-molecular-mechanisms-and-pathophysiology
#6
REVIEW
Karen Horsburgh, Joanna M Wardlaw, Tom van Agtmael, Stuart M Allan, Mike L J Ashford, Philip M Bath, Rosalind Brown, Jason Berwick, M Zameel Cader, Roxana O Carare, John B Davis, Jessica Duncombe, Tracy D Farr, Jill H Fowler, Jozien Goense, Alessandra Granata, Catherine N Hall, Atticus H Hainsworth, Adam Harvey, Cheryl A Hawkes, Anne Joutel, Rajesh N Kalaria, Patrick G Kehoe, Catherine B Lawrence, Andy Lockhart, Seth Love, Malcolm R Macleod, I Mhairi Macrae, Hugh S Markus, Chris McCabe, Barry W McColl, Paul J Meakin, Alyson Miller, Maiken Nedergaard, Michael O'Sullivan, Terry J Quinn, Rikesh Rajani, Lisa M Saksida, Colin Smith, Kenneth J Smith, Rhian M Touyz, Rebecca C Trueman, Tao Wang, Anna Williams, Steven C R Williams, Lorraine M Work
Cerebral small vessel disease (SVD) is a major contributor to stroke, cognitive impairment and dementia with limited therapeutic interventions. There is a critical need to provide mechanistic insight and improve translation between pre-clinical research and the clinic. A 2-day workshop was held which brought together experts from several disciplines in cerebrovascular disease, dementia and cardiovascular biology, to highlight current advances in these fields, explore synergies and scope for development. These proceedings provide a summary of key talks at the workshop with a particular focus on animal models of cerebral vascular disease and dementia, mechanisms and approaches to improve translation...
April 30, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29554115/longitudinal-microstructural-changes-of-cerebral-white-matter-and-their-association-with-mobility-performance-in-older-persons
#7
Nicola Moscufo, Dorothy B Wakefield, Dominik S Meier, Michele Cavallari, Charles R G Guttmann, William B White, Leslie Wolfson
Mobility impairment in older persons is associated with brain white matter hyperintensities (WMH), a common finding in magnetic resonance images and one established imaging biomarker of small vessel disease. The contribution of possible microstructural abnormalities within normal-appearing white matter (NAWM) to mobility, however, remains unclear. We used diffusion tensor imaging (DTI) measures, i.e. fractional anisotropy (FA), mean diffusivity (MD), axial diffusivity (AD), radial diffusivity (RD), to assess microstructural changes within supratentorial NAWM and WMH sub-compartments, and to investigate their association with changes in mobility performance, i...
2018: PloS One
https://www.readbyqxmd.com/read/29530996/aspirin-resistance-risk-factors-and-prognostic-significance-in-patients-with-cerebral-small-vessel-disease
#8
Jacek Staszewski, Renata Piusińska-Macoch, Ewa Skrobowska, Bogdan Brodacki, Katarzyna Macek, Adam Stępień
BACKGROUND: The clinical significance of aspirin resistance (AR) in patients with symptomatic cerebrovascular disease is not well known. The aim of this single-center, prospective study was to examine the prevalence, risk factors and prognostic significance of AR in patients with different clinical manifestations of cerebral small vessel disease (CSVD) over 24-month follow-up. METHODS: We studied 104 patients with MRI confirmed CSVD, including those with recent lacunar stroke (LS, n=49), vascular parkinsonism (VaP, n=16) and dementia (VaD, n=39)...
January 2018: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29505952/reduced-substantia-innominata-volume-mediates-contributions-of-microvascular-and-macrovascular-disease-to-cognitive-deficits-in-alzheimer-s-disease
#9
Gurpreet Jaswal, Walter Swardfager, Fu-Qiang Gao, Sean M Nestor, Anoop Ganda, Hugo Cogo-Moreira, Demetrios J Sahlas, Donald T Stuss, Alan Moody, Sandra E Black
The relationships between cholinergic system damage and cerebrovascular disease are not entirely understood. Here, we investigate associations between atrophy of the substantia innominata (SI; the origin of cortical cholinergic projections) and measures of large and small vessel disease; specifically, elongation of the juxtaposed internal carotid artery termination and Cholinergic Pathways Hyperintensity scores (CHIPS). The study (n = 105) consisted of patients with Alzheimer's disease (AD) and/or subcortical ischemic vasculopathy, and elderly controls...
June 2018: Neurobiology of Aging
https://www.readbyqxmd.com/read/29480172/gdf11-rejuvenates-cerebrovascular-structure-and-function-in-an-animal-model-of-alzheimer-s-disease
#10
Wei Zhang, Yi Guo, Bo Li, Qi Zhang, Jian-Hui Liu, Guo-Jun Gu, Jin-Hong Wang, Rui-Kang Bao, Yu-Jie Chen, Jian-Rong Xu
Cerebral amyloid angiopathy (CAA) is present in up to 90% of patients with Alzheimer's disease (AD), and may interact with classical neuropathology to exacerbate cognitive decline. Since growth differentiation factor 11 (GDF11) can activate vascular remodeling, we tested its effects on cognitive function and neuroinflammatory changes of AD model mice. We intravenously administered GDF11 or vehicle daily to 12-month-old transgenic mice overexpressing the amyloid-β protein precursor (AβPP)/PS1). Cognitive function was monitored using the Morris water maze, and after conclusion of the treatment, we assessed the morphology and presence of inflammatory markers in the cerebral vasculature...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29478611/cadasil
#11
Michael M Wang
Cerebral small-vessel disease is a prevalent condition that is strongly associated with ischemic stroke and dementia. The most prevalent inherited cause of cerebral small-vessel disease is CADASIL, cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy, a disorder linked to mutations in NOTCH3. The most common symptoms of CADASIL are small ischemic strokes and/or transient ischemic attacks and cognitive impairment, appearing in middle age, that may progress to frank vascular dementia...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29463620/infectious-intracranial-aneurysms-a-systematic-review-of-epidemiology-management-and-outcomes
#12
REVIEW
Ali Alawieh, M Imran Chaudry, Raymond D Turner, Aquilla S Turk, Alejandro M Spiotta
Infectious intracranial aneurysms (IIAs) are a rare cerebrovascular complication of systemic infections induced by microbial infiltration and degradation of the arterial vessel wall. Studies on the epidemiology and management of IIAs are limited to case reports and retrospective single-center studies, and report a large variability in epidemiological features, management, and outcomes due to the limited sample size. We conducted a systematic review of all published papers on IIAs in the English literature using MEDLINE and SCOPUS database from January 1950 to June 2017...
February 20, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29452984/quantitative-cerebrovascular-pathology-in-a-community-based-cohort-of-older-adults
#13
Swati Rane, Natalie Koh, Peter Boord, Tara Madhyastha, Mary K Askren, Suman Jayadev, Brenna Cholerton, Eric Larson, Thomas J Grabowski
Cerebrovascular disease, especially small vessel pathology, is the leading comorbidity in degenerative disorders. We applied arterial spin labeling and cerebrovascular reserve (CVR) imaging to quantify small vessel disease and study its effect on cognitive symptoms in nondemented older adults from a community-based cohort. We evaluated baseline cerebral blood flow (CBF) using arterial spin labeling and percent signal change as a marker of CVR using blood-oxygen level-dependent imaging following a breath-hold stimulus...
May 2018: Neurobiology of Aging
https://www.readbyqxmd.com/read/29451817/the-impact-of-pulse-pressure-on-cerebrovascular-events-leading-to-age-related-cognitive-decline
#14
Nathalie Thorin-Trescases, Olivia de Montgolfier, Anthony Pinçon, Adeline Raignault, Laurie Caland, Pauline Labbé, Eric Thorin
Aging is a modern concept: human life expectancy has more than doubled in less than 150 years in Western countries. Longer lifespan, however, reveals age-related diseases, including cerebrovascular diseases. The vascular system is a prime target of aging: the "wear and tear" of large elastic arteries exposed to a life-long pulsatile pressure causes arterial stiffening by fragmentation of elastin fibers and replacement by stiffer collagen. This arterial stiffening increases in return the amplitude of the pulse pressure (PP), its wave penetrating deeper into the microcirculation of low resistance, high flow organs such as the brain...
February 16, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29439338/multi-parametric-classification-of-vascular-cognitive-impairment-and-dementia-the-impact-of-diverse-cerebrovascular-injury-biomarkers
#15
Brittany Lang, Mark S Kindy, F Andrew Kozel, Susan K Schultz, Saeid Taheri
Vascular cognitive impairment and dementia (VCID) is a diagnostic term applied to cognitively impaired individuals with heterogeneous cerebrovascular conditions affecting large and/or small vessels. Individual biomarkers have been identified as instrumental in relating VCID to specific underlying pathologies to better characterize this syndrome. Emerging research to refine panels of biomarkers will increase classification sensitivity and specificity. Refined VCID clustering based on the severity and pathology of vascular injury will permit the development of optimal prevention and treatment strategies...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29430730/cerebral-ischemia-during-hemodialysis-finding-the-signal-in-the-noise
#16
EDITORIAL
Clare MacEwen, Peter Watkinson, Lionel Tarassenko, Christopher Pugh
Hemodialysis patients have multiple risk factors for small vessel cerebrovascular disease and cognitive dysfunction. Hemodialysis itself may cause clinically significant neurological injury through repetitive cerebral ischemia. However, supporting evidence to date consists of epidemiological associations, expert opinion, and small, single-centre studies of variable methodological quality. Isolating the impact of intra-dialytic hemodynamic instability from underlying renal and vascular disease on clinically relevant functional outcomes would require very large, controlled studies, given the heterogeneity and confounding comorbidities of the population, and the complex relationship between blood pressure and cerebral oxygen delivery...
February 11, 2018: Seminars in Dialysis
https://www.readbyqxmd.com/read/29425278/carotid-intima-media-thickness-and-silent-brain-infarctions-in-a-biracial-cohort-the-atherosclerosis-risk-in-communities-aric-study
#17
Melissa C Caughey, Ye Qiao, B Gwen Windham, Rebecca F Gottesman, Thomas H Mosley, Bruce A Wasserman
Background: Both hypertensive and atherosclerotic processes contribute to common carotid artery intima-media thickness (CCA-IMT). Elevated CCA-IMT may be indicative of subclinical cerebrovascular disease; however, its role in the absence of concomitant carotid artery plaque is uncertain, and few studies have examined associations in black populations. Materials and Methods: At cohort visit 3 (1993-1995) a subset of stroke-free participants (641 blacks and 702 whites, mean age 63) from the Atherosclerosis Risk in Communities (ARIC) study was imaged by brain MRI and carotid ultrasound...
February 7, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29410622/serum-hepatocyte-growth-factor-is-associated-with-small-vessel-disease-in-alzheimer-s-dementia
#18
Yanan Zhu, Saima Hilal, Yuek L Chai, M K Ikram, Narayanaswamy Venketasubramanian, Christopher P Chen, Mitchell K P Lai
Background : While hepatocyte growth factor (HGF) is known to exert cell growth, migration and morphogenic effects in various organs, recent studies suggest that HGF may also play a role in synaptic maintenance and cerebrovascular integrity. Although increased levels of HGF have been reported in brain and cerebrospinal fluid (CSF) samples of patients with Alzheimer's disease (AD), it is unclear whether peripheral HGF may be associated with cerebrovascular disease (CeVD) and dementia. In this study, we examined the association of baseline serum HGF with neuroimaging markers of CeVD in a cohort of pre-dementia (cognitive impaired no dementia, CIND) and AD patients...
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29406252/osteoarthritis-cerebrovascular-dysfunction-and-the-common-denominator-of-inflammation-a-narrative-review
#19
REVIEW
B K Al-Khazraji, C T Appleton, F Beier, T B Birmingham, J K Shoemaker
OBJECTIVE: Population-based cohort studies suggest an association between osteoarthritis (OA) and cerebrovascular disease, yet the mechanisms underlying vascular comorbidities in OA remain unclear. The purpose of this narrative review is to discuss the literature examining inflammation in OA with a focus on physiological mechanisms, and whether overlapping mechanisms exist in cerebrovascular dysfunction. METHOD: A literature search was conducted in PubMed using combinations of search terms: osteoarthritis, cerebrovascular (disease/dysfunction/risk), cardiovascular (disease/dysfunction/risk), aging/ageing, inflammation, inflammatory mediators, cytokine, c-reactive protein, interleukin, advanced glycation end-products, metabolic syndrome, reactive oxidative species, cognitive impairment, (vascular-related) dementia, small cerebral vessel disease, endothelial function, blood-brain barrier, gender/sex, hypertension, peripheral vascular health, and physical activity...
April 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29393657/a-population-neuroscience-approach-to-the-study-of-cerebral-small-vessel-disease-in-mid-and-late-life-an-invited-review
#20
Dana R Jorgensen, C Elizabeth Shaaban, Clayton A Wiley, Peter J Gianaros, Joseph Mettenburg, Caterina Rosano
Aging in later life engenders numerous changes to the cerebral microvasculature. Such changes can remain clinically silent, but are associated with greater risk for negative health outcomes over time. Knowledge is limited about the pathogenesis, prevention, and treatment of potentially detrimental changes in the cerebral microvasculature that occur with advancing age. In this review, we summarize literature on aging of the cerebral microvasculature, and we propose a conceptual framework to fill existing research gaps and advance future work on this heterogeneous phenomenon...
February 2, 2018: American Journal of Physiology. Heart and Circulatory Physiology
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