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Cerebrovascular disease

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https://www.readbyqxmd.com/read/28527918/cytochrome-p450-eicosanoids-in-cerebrovascular-function-and-disease
#1
REVIEW
Catherine M Davis, Xuehong Liu, Nabil J Alkayed
Cytochrome P450 eicosanoids play important roles in brain function and disease through their complementary actions on cell-cell communications within the neurovascular unit (NVU) and mechanisms of brain injury. Epoxy- and hydroxyeicosanoids, respectively formed by cytochrome P450 epoxygenases and ω-hydroxylases, play opposing roles in cerebrovascular function and in pathological processes underlying neural injury, including ischemia, neuroinflammation and oxidative injury. P450 eicosanoids also contribute to cerebrovascular disease risk factors, including hypertension and diabetes...
May 17, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28527209/neuroimaging-and-its-relevance-to-understanding-pathways-linking-diabetes-and-cognitive-dysfunction
#2
Chris Moran, Richard Beare, Thanh Phan, Sergio Starkstein, David Bruce, Mizrahi Romina, Velandai Srikanth
Diabetes mellitus is associated with an elevated risk of cognitive impairment and dementia. Cerebrovascular disease and neurodegeneration are two major pathways that may explain the effect of diabetes on the brain and therefore deserve investigation. Neuroimaging provides an effective way to investigate the contribution of these pathways in vivo, guiding further mechanistic research and providing biomarkers for clinical correlation or interventional studies. In this paper, we present a narrative review of the state of play with neuroimaging evidence in studies of people with diabetes mellitus, how these data are useful in understanding mechanistic links between diabetes and brain impairment, and possible ways that the field may develop in the future...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28526977/standards-of-practice-in-interventional-neuroradiology
#3
Olav Jansen, Istvan Szikora, Francesco Causin, Hartmut Brückmann, Kyriakos Lobotesis
The growing importance of INR has resulted in the need to define and promote professional standards of clinical practice. Several professional organizations have published guidelines recently for the neurointerventional treatment of cerebrovascular diseases, including technical and personal recommendations, but detailed definitions of technical and organizational conditions needed for the safe and effective performance of such treatments are lacking. To fill this gap ESNR, ESMINT and the UEMS Division for Neuroradiology established a working group, to develop a consensus paper on "Standards of Practice in Interventional Neuroradiology"...
May 19, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28526782/acute-impact-of-drinking-coffee-on-the-cerebral-and-systemic-vasculature
#4
Takuro Washio, Hiroyuki Sasaki, Shigehiko Ogoh
Previous studies have suggested that the risk of ischemic stroke increases immediately after drinking coffee. Indeed, drinking coffee, that is, caffeine, acutely increases arterial stiffness as well as blood pressure and peripheral vascular resistance. On the other hand, it has been reported that arterial stiffening is associated with elevation in the pulsatility index (PI) of cerebral blood flow (CBF), which increases the risk of brain disease. However, the effect of drinking coffee on the PI of the CBF and its interaction with arterial stiffness remain unknown...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28526767/migraine-and-cerebrovascular-atherosclerosis-in-patients-with-ischemic-stroke
#5
Hendrikus J A van Os, Inge A Mulder, Alexander Broersen, Ale Algra, Irene C van der Schaaf, L Jaap Kappelle, Birgitta K Velthuis, Gisela M Terwindt, Wouter J Schonewille, Marieke C Visser, Michel D Ferrari, Marianne A A van Walderveen, Marieke J H Wermer
BACKGROUND AND PURPOSE: Migraine is a well-established risk factor for ischemic stroke, but migraine is also related to other vascular diseases. This study aims to investigate the association between migraine and cerebrovascular atherosclerosis in patients with acute ischemic stroke. METHODS: We retrieved data on patients with ischemic stroke from the DUST (Dutch Acute Stroke Study). Migraine history was assessed with a migraine screener and confirmed by telephone interview based on the ICHD criteria (International Classification of Headache Disorders)...
May 19, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28525562/retinal-vein-occlusion-as-the-surrogate-marker-for-premature-brain-aging-in-young-patients
#6
Kwan Hyuk Cho, Chi Kyung Kim, Kyungmi Oh, Seung-Won Oh, Kyu Hyung Park, Sang Jun Park
Purpose: We investigated cerebral small vessel disease (SVD) in patients with incidental retinal vein occlusion (RVO). Methods: This retrospective, case-control, observational trial included 125 patients with RVO who underwent brain magnetic resonance imaging (MRI) and 1105 age-matched controls who underwent comprehensive medical interviews and MRI. Underlying cardiovascular diseases and MRI findings were investigated in the patients with RVO according to age (<60 or ≥60 years) and RVO occlusion level (central or branch)...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28525295/duration-of-reproductive-years-and-the-risk-of-cardiovascular-and-cerebrovascular-events-in-older-women-insights-from-the-national-health-and-nutrition-examination-survey
#7
Hend Mansoor, Islam Y Elgendy, Richard Segal, Abraham Hartzema
BACKGROUND: Studies have shown conflicting information regarding the association between the age at menarche and/or menopause and cardiovascular and cerebrovascular diseases in older women. This study aimed to determine whether a longer duration of reproductive years in older women in the U.S. population was associated with a lower risk of cardiovascular and cerebrovascular diseases. MATERIALS AND METHODS: Women ≥60 years who participated in the National Health and Nutrition Examination Survey from 2007 to 2012 were included...
May 19, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28521833/hiv-infection-hypercoagulability-and-ischaemic-stroke-in-adults-at-the-university-teaching-hospital-in-zambia-a-case-control-study
#8
Stanley Zimba, Patrice Mukomena Ntanda, Shabir Lakhi, Masharip Atadzhanov
BACKGROUND: In Zambia, 14.2% of adults have HIV/AIDS. There has been a substantial and significant increase in patients hospitalized for ischaemic stroke with co-existing HIV infection. However, little is known about the mechanism of stroke in these HIV + ve patients let alone studied in our region. The aim of this pilot study was to explore the association of hypercoagulability state in HIV + ve patients with ischaemic stroke. This was achieved by comparing hypercoagulability state markers between HIV + ve ischaemic stroke patients with HIV-ve and HIV + ve patients with and without ischaemic stroke respectively...
May 18, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28515958/attitudes-and-preferences-for-the-clinical-management-of-hypertension-and-hypertension-related-cerebrovascular-disease-in-the-general-practice-results-of-the-italian-hypertension-and-brain-survey
#9
Giuliano Tocci, Arrigo F Cicero, Massimo Salvetti, Maria Beatrice Musumeci, Andrea Ferrucci, Claudio Borghi, Massimo Volpe
BACKGROUND: The aim of this survey was to evaluate attitudes and preferences for the clinical management of hypertension and hypertension-related cerebrovascular diseases (CVD) in Italy. METHODS: A predefined 16-item survey questionnaire was anonymously administered to a large community sample of general practitioners (GPs), trained by specialized physicians (SPs), who have been included in an educational program between January and November 2015. RESULTS: A total of 591 physicians, among whom 48 (8%) training SPs and 543 (92%) trained GPs, provided 12,258 valid answers to the survey questionnaire...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/28515344/kidney-brain-axis-inflammatory-cross-talk-from-bench-to-bedside
#10
REVIEW
Aline Silva Miranda, Thiago Macedo Cordeiro, Thomas Mucida Dos Santos Lacerda Soares, Rodrigo Novaes Ferreira, Ana Cristina Simões E Silva
Epidemiologic data suggest that individuals at all stages of chronic kidney disease (CKD) have a higher risk of developing neuropsychiatric disorders, cognitive impairment, and dementia. This risk is generally explained by the high prevalence of both symptomatic and subclinical ischemic cerebrovascular lesions. However, other potential mechanisms, including cytokine/chemokine release, production of reactive oxygen species (ROS), circulating and local formation of trophic factors and of renin-angiotensin system (RAS) molecules, could also be involved, especially in the absence of obvious cerebrovascular disease...
June 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28515342/clinical-presentations-and-epidemiology-of-vascular-dementia
#11
REVIEW
Eric E Smith
Cerebrovascular and cardiovascular diseases cause vascular brain injury that can lead to vascular cognitive impairment (VCI). VCI is the second most common neuropathology of dementia and mild cognitive impairment (MCI), accounting for up to one-third of the population risk. It is frequently present along with other age-related pathologies such as Alzheimer's disease (AD). Multiple etiology dementia with both VCI and AD is the single most common cause of later life dementia. There are two main clinical syndromes of VCI: post-stroke VCI in which cognitive impairment is the immediate consequence of a recent stroke and VCI without recent stroke in which cognitive impairment is the result of covert vascular brain injury detected only on neuroimaging or neuropathology...
June 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28515272/racial-disparities-in-neurologic-health-care-access-and-utilization-in-the-united-states
#12
Altaf Saadi, David U Himmelstein, Steffie Woolhandler, Nicte I Mejia
OBJECTIVE: To evaluate racial and ethnic differences in the utilization of neurologic care across a wide range of neurologic conditions in the United States. METHODS: We analyzed nationally representative data from the 2006-2013 Medical Expenditure Panel Survey (MEPS), including information on demographics, patient-reported health conditions, neurology visit rates, and costs. Using diagnostic codes, we identified persons with any self-identified neurologic disorder except back pain, as well as 5 subgroups (Parkinson disease, multiple sclerosis, headache, cerebrovascular disease, and epilepsy)...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28515189/10-year-trends-in-statin-utilization-in-taiwan-a-retrospective-study-using-taiwan-s-national-health-insurance-research-database
#13
Hsing-Chun Hsieh, Jason C Hsu, Christine Y Lu
OBJECTIVE: Statins have been commonly used to treat patients with hypercholesterolaemia and to prevent cardiovascular disease (CVD) worldwide. This study examined trends in use of statins in Taiwan from 2002 to 2011. DESIGN: This is a retrospective observational study focusing on the utilisation of statins. SETTING: The monthly claims data for statins between 2002 and 2011 were retrieved from Taiwan's National Health Insurance Research Database...
May 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28515112/impact-of-the-metabolic-syndrome-on-mortality-is-modified-by-objective-short-sleep-duration
#14
Julio Fernandez-Mendoza, Fan He, Caitlin LaGrotte, Alexandros N Vgontzas, Duanping Liao, Edward O Bixler
BACKGROUND: To examine whether objective sleep duration is an effect modifier of the impact of metabolic syndrome (MetS) on all-cause and cardiovascular disease/cerebrovascular mortality. METHODS AND RESULTS: We addressed this question in the Penn State Adult Cohort, a random, general population sample of 1344 men and women (48.8±14.2 years) who were studied in the sleep laboratory and followed up for 16.6±4.2 years. MetS was defined by the presence of 3 or more of obesity (≥30 kg/m(2)), elevated total cholesterol (≥200 mg/dL), triglycerides (≥150 mg/dL), fasting glucose (≥100 mg/dL), and blood pressure (≥130/85 mm Hg)...
May 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28515043/brain-perivascular-macrophages-initiate-the-neurovascular-dysfunction-of-alzheimer-a%C3%AE-peptides
#15
Laibaik Park, Ken Uekawa, Lidia Garcia-Bonilla, Kenzo Koizumi, Michelle Murphy, Rose Pitstick, Linda H Younkin, Steven G Younkin, Ping Zhou, Geroge A Carlson, Josef Anrather, Costantino Iadecola
Rationale: Increasing evidence indicates that alterations of the cerebral microcirculation may play a role in Alzheimer's disease (AD), the leading cause of late-life dementia. The amyloid-β peptide (Aβ), a key pathogenic factor in AD, induces profound alterations in neurovascular regulation through the innate immunity receptor CD36, which, in turn, activates a Nox2-containing NADPH oxidase leading to cerebrovascular oxidative stress. Brain perivascular macrophages (PVM) located in the perivascular space, a major site of brain Aβ collection and clearance, are juxtaposed to the wall of intracerebral resistance vessels and are a powerful source of reactive oxygen species (ROS)...
May 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28514624/evacetrapib-and-cardiovascular-outcomes-in-high-risk-vascular-disease
#16
A Michael Lincoff, Stephen J Nicholls, Jeffrey S Riesmeyer, Philip J Barter, H Bryan Brewer, Keith A A Fox, C Michael Gibson, Christopher Granger, Venu Menon, Gilles Montalescot, Daniel Rader, Alan R Tall, Ellen McErlean, Kathy Wolski, Giacomo Ruotolo, Burkhard Vangerow, Govinda Weerakkody, Shaun G Goodman, Diego Conde, Darren K McGuire, Jose C Nicolau, Jose L Leiva-Pons, Yves Pesant, Weimin Li, David Kandath, Simon Kouz, Naeem Tahirkheli, Denise Mason, Steven E Nissen
BACKGROUND: The cholesteryl ester transfer protein inhibitor evacetrapib substantially raises the high-density lipoprotein (HDL) cholesterol level, reduces the low-density lipoprotein (LDL) cholesterol level, and enhances cellular cholesterol efflux capacity. We sought to determine the effect of evacetrapib on major adverse cardiovascular outcomes in patients with high-risk vascular disease. METHODS: In a multicenter, randomized, double-blind, placebo-controlled phase 3 trial, we enrolled 12,092 patients who had at least one of the following conditions: an acute coronary syndrome within the previous 30 to 365 days, cerebrovascular atherosclerotic disease, peripheral vascular arterial disease, or diabetes mellitus with coronary artery disease...
May 18, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28510678/trends-and-patterns-of-geographic-variation-in-cardiovascular-mortality-among-us-counties-1980-2014
#17
Gregory A Roth, Laura Dwyer-Lindgren, Amelia Bertozzi-Villa, Rebecca W Stubbs, Chloe Morozoff, Mohsen Naghavi, Ali H Mokdad, Christopher J L Murray
Importance: In the United States, regional variation in cardiovascular mortality is well-known but county-level estimates for all major cardiovascular conditions have not been produced. Objective: To estimate age-standardized mortality rates from cardiovascular diseases by county. Design and Setting: Deidentified death records from the National Center for Health Statistics and population counts from the US Census Bureau, the National Center for Health Statistics, and the Human Mortality Database from 1980 through 2014 were used...
May 16, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28509399/association-of-renin-angiotensin-antagonists-with-adverse-perioperative-events-in-patients-undergoing-elective-orthopaedic-surgery-a-case-control-study
#18
Amith Zainudheen, Ian A Scott, Xenia Caney
BACKGROUND: Renin angiotensin antagonists (RAAs) may block protective vasopressor responses during surgery. Evidence linking RAAs with intraoperative hypotension and perioperative adverse events is conflicting. METHODS: Retrospective case-control study of 258 consecutive patients who underwent elective total knee or hip replacement between January 1(st) 2013 and August 31(st) 2016, and who were chronically prescribed a single blood pressure lowering agent up to the time of surgery...
May 16, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28507907/effectiveness-of-enzyme-replacement-therapy-in-fabry-disease-long-term-experience-in-argentina
#19
Gustavo Cabrera, Juan Politei, Norberto Antongiovani, Hernán Amartino
Evidence regarding long term effectiveness of enzyme replacement therapy (ERT) in Fabry disease (FD) is needed. The aim of this study was to analyze in a cohort of FD patients in Argentina, the long term effectiveness of ERT on renal, cardiac and cerebrovascular parameters. METHODS: Patients with genetically proven FD were included from GADYTEF (Argentinean group for the treatment of FD) between 2001 and 2014. Renal, cardiac, and cerebral outcomes were prospectively studied in patients treated with ERT...
June 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28505046/south-asians-why-are-they-at-a-higher-risk-for-cardiovascular-disease
#20
Anjly Jain, Rajeev Puri, Devaki R Nair
PURPOSE OF REVIEW: We comment on the high prevalence of cardiovascular disease (CVD) in South Asians (SA). The effect of various risk factors, for example biochemical, genetic, lifestyle, socioeconomic factors and psychosocial stress on CVD risk is discussed. RECENT FINDINGS: 'Prediabetes' is common in SA, but its relationship with coronary artery disease (CAD) is not significant unlike for the white population. At the same time, 'prediabetes' in SA is associated with an increased risk for cerebrovascular disease (CeVD)...
May 12, 2017: Current Opinion in Cardiology
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