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Cerebrovascular disease

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https://www.readbyqxmd.com/read/29228071/associations-between-tau-%C3%AE-amyloid-and-cognition-in-parkinson-disease
#1
Joseph R Winer, Anne Maass, Peter Pressman, Jordan Stiver, Daniel R Schonhaut, Suzanne L Baker, Joel Kramer, Gil D Rabinovici, William J Jagust
Importance: Multiple disease processes are associated with cognitive impairment in Parkinson disease (PD), including Lewy bodies, cerebrovascular disease, and Alzheimer disease. It remains unknown whether tau pathology relates to cognition in patients with PD without dementia. Objective: To compare tau aggregation in patients with PD who are cognitively normal (PD-CN), patients with PD with mild cognitive impairment (PD-MCI), and healthy control participants, and evaluate the relationships between β-amyloid (Aβ), tau, and cognition in patients with PD who did not have dementia...
December 11, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29226175/longitudinal-transcranial-measurement-of-functional-activation-in-the-rat-brain-by-diffuse-correlation-spectroscopy
#2
Igor Blanco, Peyman Zirak, Tanja Dragojević, Clara Castellvi, Turgut Durduran, Carles Justicia
Neural activity is an important biomarker for the presence of neurodegenerative diseases, cerebrovascular alterations, and brain trauma; furthermore, it is a surrogate marker for treatment effects. These pathologies may occur and evolve in a long time-period, thus, noninvasive, transcutaneous techniques are necessary to allow a longitudinal follow-up. In the present work, we have customized noninvasive, transcutaneous, diffuse correlation spectroscopy (DCS) to localize changes in cerebral blood flow (CBF) induced by neural activity...
October 2017: Neurophotonics
https://www.readbyqxmd.com/read/29225000/-validity-of-the-abdominal-ecography-in-primary-care-for-detection-of-aorta-abdominal-aneurism-in-male-between-65-and-75-years
#3
Laura Bravo-Merino, Noelia González-Lozano, Ruth Maroto-Salmón, Gloria Meijide-Santos, Patricio Suárez-Gil, Ana Fañanás-Mastral
OBJECTIVE: To determine the usefulness of ultrasound examination in Primary Care (PC) for the detection of abdominal aortic aneurysm (AAA) in male patients from 65-75 years old, as well as the consistency between observers on the diagnosis between general practitioners and the reference specialty in this area, Vascular Surgery. To estimate the prevalence of AAA in that population and its association with risk factors. DESIGN: Cross-sectional descriptive study. LOCATION: Healthcare Centres of Coto and Calzada II (Gijón, Spain)...
December 7, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/29223732/a-comparison-of-4d-flow-mri-derived-wall-shear-stress-with-computational-fluid-dynamics-methods-for-intracranial-aneurysms-and-carotid-bifurcations-a-review
#4
REVIEW
Jeremy Szajer, Kevin Ho-Shon
BACKGROUND: 4D flow MRI is a relatively quick method for obtaining wall shear stress (WSS) in vivo, a hemodynamic parameter which has shown promise in risk stratification for rupture of cerebrovascular diseases such as intracranial aneurysms and atherosclerotic plaques. The accuracy of such measurements is still largely unknown. OBJECTIVE: To quantify the accuracy of 4D flow MRI-derived wall shear stress values for intracranial aneurysms and carotid bifurcations...
December 6, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/29222955/brain-comorbidities-in-normal-pressure-hydrocephalus
#5
Gilles Allali, Magali Laidet, Stéphane Armand, Frédéric Assal
BACKGROUND: This cross-sectional study aims to compare gait changes after CSF tap test between normal pressure hydrocephalus patients with and without brain comorbidities (respectively NPH+ and NPH); and then identify significant contributors to poor CSF tap test among individuals with NPH+. METHODS: Gait changes (during single and dual task of backward counting) were quantified before and 24 hours after CSF tap test with an optoelectronic system in 52 NPH patients (77...
December 9, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29222909/an-emerging-role-of-astrocytes-in-vascular-contributions-to-cognitive-impairment-and-dementia-vcid
#6
REVIEW
Brittani R Price, Christopher M Norris, Pradoldej Sompol, Donna M Wilcock
Vascular contributions to cognitive impairment and dementia (VCID) is understood to be the second most common cause of dementia after Alzheimer's disease (AD), and is also a frequent co-morbidity with AD. While VCID is widely acknowledged as a key contributor to dementia, the mechanistic underpinnings of VCID remain poorly understood. In this review, we address the potential role of astrocytes in the pathophysiology of VCID. The vast majority of the blood vessels in the brain are surrounded by astrocytic end-feet...
December 9, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29222678/dose-responses-for-mortality-from-cerebrovascular-and-heart-diseases-in-atomic-bomb-survivors-1950-2003
#7
Helmut Schöllnberger, Markus Eidemüller, Harry M Cullings, Cristoforo Simonetto, Frauke Neff, Jan Christian Kaiser
The scientific community faces important discussions on the validity of the linear no-threshold (LNT) model for radiation-associated cardiovascular diseases at low and moderate doses. In the present study, mortalities from cerebrovascular diseases (CeVD) and heart diseases from the latest data on atomic bomb survivors were analyzed. The analysis was performed with several radio-biologically motivated linear and nonlinear dose-response models. For each detrimental health outcome one set of models was identified that all fitted the data about equally well...
December 8, 2017: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/29221748/hydroxyethyl-starch-is-associated-with-early-postoperative-delirium-in-patients-undergoing-esophagectomy
#8
Dae Myung Jung, Hyun Joo Ahn, Mikyung Yang, Jie Ae Kim, Duck Kyung Kim, Sangmin Maria Lee, Joo Hyun Park
OBJECTIVE: Postoperative delirium is associated with longer hospital stay and increased morbidities. Patients undergoing esophagectomy have a high chance of developing postoperative delirium because of their advanced age, comorbidities, and intensive care unit care. In this study, we investigated the risk factors of early postoperative delirium in patients undergoing esophagectomy, focusing on perioperative fluid type to test the hypothesis that colloids with high oncotic pressure and anti-inflammatory action would decrease the incidence of postoperative delirium compared with crystalloids...
December 5, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29220869/non-obese-fatty-liver-disease-is-associated-with-lacunar-infarct
#9
Min-Sun Kwak, Kyung Won Kim, Hyobin Seo, Goh-Eun Chung, Jeong Yoon Yim, Donghee Kim
BACKGROUND/AIMS: Lacunar infarct, a small subcortical ischemic lesion, is a known risk factor for future cognitive impairment, dementia, and stroke. We evaluated the relationship between fatty liver disease(FLD) and lacunar infarct in a healthy general population. METHODS: Subjects who underwent brain magnetic resonance imaging(MRI) and abdominal ultrasonography(US) during health check-ups from 2007-2009 were included. FLD was diagnosed by US. Subjects with a history of cerebrovascular disease, radiological findings consistent with cerebrovascular stenosis, or cerebral small vessel disease were excluded...
December 8, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29219755/mitochondrial-abnormalities-related-to-the-dysfunction-of-circulating-endothelial-colony-forming-cells-in-moyamoya-disease
#10
Jung Won Choi, Sung Min Son, Inhee Mook-Jung, Youn Joo Moon, Ji Yeoun Lee, Kyu-Chang Wang, Hyun-Seung Kang, Ji Hoon Phi, Seung Ah Choi, Sangjoon Chong, Jayoung Byun, Seung-Ki Kim
OBJECTIVE Moyamoya disease (MMD) is a unique cerebrovascular disorder characterized by the progressive occlusion of the bilateral internal carotid arteries. Endothelial colony-forming cells (ECFCs), previously termed "endothelial progenitor cells," play an important role in the pathogenesis of MMD. In this study, the authors performed morphological and functional studies of the mitochondria of ECFCs from patients with MMD to present new insights into the pathogenesis of the disease. METHODS The morphology of ECFCs from 5 MMD patients and 5 healthy controls was examined under both a transmission electron microscope and a confocal laser scanning microscope...
December 8, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29218880/causal-inference-on-electronic-health-records-to-assess-blood-pressure-treatment-targets-an-application-of-the-parametric-g-formula
#11
Kipp W Johnson, Benjamin S Glicksberg, Rachel A Hodos, Khader Shameer, Joel T Dudley
Hypertension is a major risk factor for ischemic cardiovascular disease and cerebrovascular disease, which are respectively the primary and secondary most common causes of morbidity and mortality across the globe. To alleviate the risks of hypertension, there are a number of effective antihypertensive drugs available. However, the optimal treatment blood pressure goal for antihypertensive therapy remains an area of controversy. The results of the recent Systolic Blood Pressure Intervention Trial (SPRINT) trial, which found benefits for intensive lowering of systolic blood pressure, have been debated for several reasons...
2018: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/29217741/on-the-reproducibility-of-inversion-recovery-intravoxel-incoherent-motion-imaging-in-cerebrovascular-disease
#12
S M Wong, W H Backes, C E Zhang, J Staals, R J van Oostenbrugge, C R L P N Jeukens, J F A Jansen
BACKGROUND AND PURPOSE: Intravoxel incoherent motion imaging can measure both microvascular and parenchymal abnormalities simultaneously. The contamination of CSF signal can be suppressed using inversion recovery preparation. The clinical feasibility of inversion recovery-intravoxel incoherent motion imaging was investigated in patients with cerebrovascular disease by studying its reproducibility. MATERIALS AND METHODS: Sixteen patients with cerebrovascular disease (66 ± 8 years of age) underwent inversion recovery-intravoxel incoherent motion imaging twice...
December 7, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29217597/outcomes-in-coronary-artery-disease-patients-with-sleepy-obstructive-sleep-apnoea-on-cpap
#13
Yüksel Peker, Erik Thunström, Helena Glantz, Karl Wegscheider, Christine Eulenburg
Coronary artery disease (CAD) patients with obstructive sleep apnoea (OSA) have increased risk for major adverse cardiovascular and cerebrovascular events (MACCEs) compared with CAD patients without OSA. We aimed to address if the risk is similar in both groups when OSA patients are treated.This study was a parallel observational arm of the RICCADSA randomised controlled trial, conducted in Sweden between 2005 and 2013. Patients with revascularised CAD and OSA (apnoea-hypopnoea index (AHI) ≥15 events·h-1) with daytime sleepiness (Epworth Sleepiness Scale score ≥10) were offered continuous positive airway pressure (CPAP) (n=155); CAD patients with no OSA (AHI <5 events·h-1) acted as controls (n=112), as a randomisation of sleepy OSA patients to no treatment would not be ethically feasible...
December 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29217002/the-delta-2-registry-a-multicenter-registry-evaluating-percutaneous-coronary-intervention-with-new-generation-drug-eluting-stents-in-patients-with-obstructive-left-main-coronary-artery-disease
#14
Alaide Chieffo, Akihito Tanaka, Gennaro Giustino, Ieva Briede, Fadi J Sawaya, Joost Daemen, Hiroyoshi Kawamoto, Emanuele Meliga, Fabrizio D'Ascenzo, Enrico Cerrato, Giulio G Stefanini, Davide Capodanno, Andrea Mangiameli, Christian Templin, Andrejs Erglis, Marie Claude Morice, Roxana Mehran, Nicolas M Van Mieghem, Sunao Nakamura, Mauro De Benedictis, Marco Pavani, Ferdinando Varbella, Marco Pisaniello, Samin K Sharma, Corrado Tamburino, Didier Tchetche, Antonio Colombo
OBJECTIVES: The aim of this study was to evaluate clinical outcomes of unprotected left main coronary artery percutaneous coronary intervention (PCI) with new-generation drug-eluting stents in a "real world" population. BACKGROUND: PCI of the unprotected left main coronary artery is currently recommended as an alternative to coronary artery bypass grafting (CABG) in selected patients. METHODS: All consecutive patients with unprotected left main coronary artery stenosis treated by PCI with second-generation drug-eluting stents were analyzed in this international, all-comers, multicenter registry...
December 11, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29215310/apolipoprotein-e4-mediates-insulin-resistance-associated-cerebrovascular-dysfunction-and-the-post-prandial-response
#15
Lance A Johnson, Eileen Ruth Torres, Sydney Weber Boutros, Esha Patel, Tunde Akinyeke, Nabil J Alkayed, Jacob Raber
Metabolic dysfunction, commonly a result of diets high in saturated fats and sugar, is associated with impaired cognitive function and an increased risk of age-related cognitive decline (ACD) and Alzheimer's disease (AD). Compared to the E3 isoform of apolipoprotein (apoE), the E4 isoform is a major genetic risk factor for ACD, AD, and for developing cognitive impairments following various environmental challenges, including dietary challenges such as a high-fat diet (HFD). Both insulin resistance (IR) and E4 are associated with metabolic and vascular impairments...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29214179/the-roles-of-thrombospondins-in-hemorrhagic-stroke
#16
REVIEW
Xuan Wu, Xu Luo, Qiquan Zhu, Jie Zhang, Yun Liu, Hansheng Luo, Yuan Cheng, Zongyi Xie
Hemorrhagic stroke is a devastating cerebrovascular disease with significant morbidity and mortality worldwide. Thrombospondins (TSPs), as matricellular proteins, belong to the TSP family which is comprised of five members. All TSPs modulate a variety of cellular functions by binding to various receptors. Recently, TSPs gained attention in the area of hemorrhagic stroke, especially TSP-1. TSP-1 participates in angiogenesis, the inflammatory response, apoptosis, and fibrosis after hemorrhagic stroke through binding to various molecules including but not limited to CD36, CD47, and TGF-β...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29214153/alzheimer-s-disease-diagnosis-discrepancy-between-clinical-neuroimaging-and-cerebrospinal-fluid-biomarkers-criteria-in-an-italian-cohort-of-geriatric-outpatients-a-retrospective-cross-sectional-study
#17
Giulia A M Dolci, Sarah Damanti, Valeria Scortichini, Alessandro Galli, Paolo D Rossi, Carlo Abbate, Beatrice Arosio, Daniela Mari, Andrea Arighi, Giorgio G Fumagalli, Elio Scarpini, Silvia Inglese, Maura Marcucci
Background: The role of cerebrospinal fluid (CSF) biomarkers, and neuroimaging in the diagnostic process of Alzheimer's disease (AD) is not clear, in particular in the older patients. Objective: The aim of this study was to compare the clinical diagnosis of AD with CSF biomarkers and with cerebrovascular damage at neuroimaging in a cohort of geriatric patients. Methods: Retrospective analysis of medical records of ≥65-year-old patients with cognitive impairment referred to an Italian geriatric outpatient clinic, for whom the CSF concentration of amyloid-β (Aβ), total Tau (Tau), and phosphorylated Tau (p-Tau) was available...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29213240/dipeptidyl-peptidase-4-inhibitors-use-and-relative-risk-of-ischemic-cerebrovascular-disease-in-type-2-diabetic-patients-in-a-case-control-study
#18
Shih-Wei Lai, Kuan-Fu Liao, Cheng-Li Lin, Hsien-Feng Lin
Background and Objectives: Limited research focuses on the risk of ischemic cerebrovascular disease associated with use of dipeptidyl peptidase-4 inhibitors (DPP-4 inhibitors) in patients with type 2 diabetes mellitus in Taiwan. This study aimed to investigate the association between DPP-4 inhibitors use and the first episode of ischemic cerebrovascular disease. Methods: We designed a case-control study using the database of the Taiwan National Health Insurance Program. There were 1999 type 2 diabetic subjects aged 20-84 years with the first episode of ischemic cerebrovascular disease from 2000 to 2013 as the cases, and 7996 sex- and age-matched, randomly selected type 2 diabetic subjects aged 20-84 years without any type of cerebrovascular diseases as the matched controls...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29213140/effects-of-stress-on-the-development-and-progression-of-cardiovascular-disease
#19
REVIEW
Mika Kivimäki, Andrew Steptoe
Cardiovascular disease remains the leading cause of disease burden globally, which underlies the continuing need to identify new complementary targets for prevention. Over the past 5-10 years, the pooling of multiple data sets into 'mega-studies' has accelerated progress in research on stress as a risk and prognostic factor for cardiovascular disease. Severe stressful experiences in childhood, such as physical abuse and household substance abuse, can damage health and increase the risk of multiple chronic conditions in adulthood...
December 7, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/29211948/simultaneous-determination-of-polysaccharides-and-21-nucleosides-and-amino-acids-in-different-tissues-of-salvia-miltiorrhiza-from-different-areas-by-uv-visible-spectrophotometry-and-uhplc-with-triple-quadrupole-ms-ms
#20
Xiang Xiang, Xiuxiu Sha, Shulan Su, Zhenhua Zhu, Sheng Guo, Hui Yan, Dawei Qian, Jin-Ao Duan
Salvia miltiorrhiza, a traditional Chinese medicine, is a widely used herbal medicine to treat cardiovascular and cerebrovascular diseases. In this study, ultraviolet-visible spectrophotometry and ultra high performance liquid chromatography with triple quadrupole tandem mass spectrometry analytical methods for rapidly quantifying polysaccharides, 21 nucleosides and amino acids in S.miltiorrhiza were established to determine 17 samples of different tissues from different areas. Based on the total contents, hierarchical clustering analysis and principal components analysis were performed to classify these samples...
December 6, 2017: Journal of Separation Science
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