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https://www.readbyqxmd.com/read/28199366/micrornas-regulating-cluster-of-differentiation-46-cd46-in-cardioembolic-and-non-cardioembolic-stroke
#1
Jun Rong Tan, Kay Sin Tan, Fung Lin Yong, Arunmozhiarasi Armugam, Chee Woon Wang, Kandiah Jeyaseelan, Peter Tsun-Hon Wong
Ischemic stroke is a major cause of mortality and morbidity globally. Among the ischemic stroke subtypes, cardioembolic stroke is with poor functional outcome (Modified Rankin score ≥ 2). Early diagnosis of cardioembolic stroke will prove beneficial. This study examined the microRNAs targeting cluster of differentiation 46 (CD46), a potential biomarker for cardioembolic stroke. CD46 mRNA level was shown to be differentially expressed (p < 0.001) between cardioembolic stroke (median = 1.32) and non-cardioembolic stroke subtypes (large artery stroke median = 5...
2017: PloS One
https://www.readbyqxmd.com/read/28193703/methylation-in-the-matrix-metalloproteinase-2-gene-is-associated-with-cerebral-ischemic-stroke
#2
Hsiu-Fen Lin, Edward Hsi, Ling-Chun Huang, Yi-Chu Liao, Suh-Hang H Juo, Ruey-Tay Lin
Matrix metalloproteinase-2 (MMP-2) is involved in the pathophysiology of stroke. Previous studies have shown that MMP-2 activity is increased in stroke; however, evidence of epigenetic regulation of the MMP-2 in stroke is still limited. We examined methylation of the MMP-2 promoter in patients with ischemic stroke. This study included 298 patients with ischemic stroke and 258 age-matched and sex-matched controls. MMP-2 promoter methylation levels were measured by pyrosequencing at eight potential cytosine-guanine (CpG) sites...
February 13, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28178408/epidemiology-risk-factors-and-clinical-features-of-intracerebral-hemorrhage-an-update
#3
REVIEW
Sang Joon An, Tae Jung Kim, Byung-Woo Yoon
Intracerebral hemorrhage (ICH) is the second most common subtype of stroke and a critical disease usually leading to severe disability or death. ICH is more common in Asians, advanced age, male sex, and low- and middle-income countries. The case fatality rate of ICH is high (40% at 1 month and 54% at 1 year), and only 12% to 39% of survivors can achieve long-term functional independence. Risk factors of ICH are hypertension, current smoking, excessive alcohol consumption, hypocholesterolemia, and drugs. Old age, male sex, Asian ethnicity, chronic kidney disease, cerebral amyloid angiopathy (CAA), and cerebral microbleeds (CMBs) increase the risk of ICH...
January 2017: Journal of Stroke
https://www.readbyqxmd.com/read/28170314/heart-disease-mortality-in-the-life-span-study-1950-2008
#4
Ikuno Takahashi, Yukiko Shimizu, Eric J Grant, John Cologne, Kotaro Ozasa, Kazunori Kodama
Based on the findings from the Radiation Effects Research Foundation's studies of the cohort of Japanese atomic bomb survivors, it has been reported that total-body irradiation at 0.5-1.0 Gy could be responsible for increased rates of mortality from broad-based categories of cardiovascular disease (CVD), i.e., stroke and heart disease. However, CVD consists of various subtypes that have potentially different radiation dose responses, as well as subtype-specific risks that have not been fully evaluated. Potential problems with changes in the coding rules for the International Classification of Diseases (ICD) and the underlying causes and trends in CVD mortality in Japan also need to be considered...
February 7, 2017: Radiation Research
https://www.readbyqxmd.com/read/28168536/systemic-complications-following-aneurysmal-subarachnoid-hemorrhage
#5
REVIEW
Ravi Garg, Barak Bar
Many systemic complications follow aneurysmal subarachnoid hemorrhage and are primarily due to sympathetic nervous system activation. These complications play an important role in the overall outcome of patients. The purpose of this review is to provide an update on the diagnosis, pathophysiology, and management of systemic complications specifically associated with aneurysmal subarachnoid hemorrhage. Special focus has been made on systemic complications that occur more frequently in patients with aneurysmal subarachnoid hemorrhage compared to other stroke subtypes and in the neurocritical care patient population...
January 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28163934/enhancing-nmda-receptor-function-recent-progress-on-allosteric-modulators
#6
REVIEW
Lulu Yao, Qiang Zhou
The N-methyl-D-aspartate receptors (NMDARs) are subtype glutamate receptors that play important roles in excitatory neurotransmission and synaptic plasticity. Their hypo- or hyperactivation are proposed to contribute to the genesis or progression of various brain diseases, including stroke, schizophrenia, depression, and Alzheimer's disease. Past efforts in targeting NMDARs for therapeutic intervention have largely been on inhibitors of NMDARs. In light of the discovery of NMDAR hypofunction in psychiatric disorders and perhaps Alzheimer's disease, efforts in boosting NMDAR activity/functions have surged in recent years...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28151850/distinctive-patterns-on-ct-angiography-characterize-acute-internal-carotid-artery-occlusion-subtypes
#7
Ji Man Hong, Sung Eun Lee, Seong-Joon Lee, Jin Soo Lee, Andrew M Demchuk
Noninvasive computed tomography angiography (CTA) is widely used in acute ischemic stroke, even for diagnosing various internal carotid artery (ICA) occlusion sites, which often need cerebral digital subtraction angiography (DSA) confirmation. We evaluated whether clinical outcomes vary depending on the DSA-based occlusion sites and explored correlating features on baseline CTA that predict DSA-based occlusion site.We analyzed consecutive patients with acute ICA occlusion who underwent DSA and CTA. Occlusion site was classified into cervical, cavernous, petrous, and carotid terminus segments by DSA confirmation...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28149786/the-association-between-retinal-vasculature-changes-and-stroke-a-literature-review-and-meta-analysis
#8
Hui-Qun Wu, Huan Wu, Li-Li Shi, Li-Yuan Yu, Li-Yuan Wang, Ya-Lan Chen, Jin-Song Geng, Jian Shi, Kui Jiang, Jian-Cheng Dong
AIM: To determine the association between retinal vasculature changes and stroke. METHODS: MEDLINE and EMBASE were searched for relevant human studies to September 2015 that investigated the association between retinal vasculature changes and the prevalence or incidence of stroke; the studies were independently examined for their qualities. Data on clinical characteristics and calculated summary odds ratios (ORs) were extracted for associations between retinal microvascular abnormalities and stroke, including stroke subtypes where possible, and adjusted for key variables...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28148612/cardioembolic-stroke-a-case-study
#9
Lisa A Babkair
Cardioembolic stroke is a critical health condition that requires immediate intervention. Cardiac emboli are the most common type of embolism and account for 14% to 30% of all ischemic strokes. Atrial fibrillation is the most common cause of cardioembolic strokes, and its prevalence increases substantially with age. Other factors that increase the risk for cardioembolic stroke include hypertension, diabetes mellitus, hyperlipidemia, cardiac disease, and lifestyle choices. General supportive care and treatment of the acute phase and subsequent complications should be started immediately...
February 2017: Critical Care Nurse
https://www.readbyqxmd.com/read/28143595/elevated-blood-viscosity-is-associated-with-cerebral-small-vessel-disease-in-patients-with-acute-ischemic-stroke
#10
Seung Hoon Song, Jeong Hee Kim, Joon Hwa Lee, Yeo-Min Yun, Dong-Hee Choi, Hahn Young Kim
BACKGROUND: Increased level of blood viscosity, which is one of the major factors that determine blood rheology, has been reported as a risk factor or predictor for cerebrovascular events. We investigated how blood viscosity is associated with acute stroke and chronic radiological manifestations of cerebral small vessel disease, and how blood viscosity changes after stroke. METHODS: We prospectively enrolled consecutive patients with acute ischemic stroke. Whole blood viscosities at a low or high shear rate were measured using a scanning capillary tube viscometer, and were referred to as diastolic blood viscosity (DBV) and systolic blood viscosity (SBV), respectively...
January 31, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28142037/risk-prediction-models-for-mortality-in-patients-with-cardiovascular-disease-the-biobank-japan-project
#11
Jun Hata, Akiko Nagai, Makoto Hirata, Yoichiro Kamatani, Akiko Tamakoshi, Zentaro Yamagata, Kaori Muto, Koichi Matsuda, Michiaki Kubo, Yusuke Nakamura, Yutaka Kiyohara, Toshiharu Ninomiya
BACKGROUND: Cardiovascular disease (CVD) is a leading cause of death in Japan. The present study aimed to develop new risk prediction models for long-term risks of all-cause and cardiovascular death in patients with chronic phase CVD. METHODS: Among the subjects registered in the BioBank Japan database, 15,058 patients aged ≥40 years with chronic ischemic CVD (ischemic stroke or myocardial infarction) were divided randomly into a derivation cohort (n = 10,039) and validation cohort (n = 5019)...
December 27, 2016: Journal of Epidemiology
https://www.readbyqxmd.com/read/28127521/secondary-prophylactic-treatment-and-long-term-prognosis-after-tia-and-different-subtypes-of-stroke-a-25-year-follow-up-hospital-based-observational-study
#12
Sven-Erik Eriksson
OBJECTIVES: To assess long-term prognosis after transient ischemic attack (TIA)/subtypes of stroke relative to secondary prophylactic treatment(s) given. MATERIALS AND METHODS: Retro/prospective follow-up of patients hospitalized in the Stroke Unit or in the Department of Neurology, Linköping, in 1986 and followed up to Feb. 2011. RESULTS: A total of 288 men were followed up for 2254 years (mean 7.8 years) and 261 women for 1984 years (mean 7...
January 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28117601/blood-markers-of-inflammation-and-endothelial-dysfunction-in-cardioembolic-stroke-systematic-review-and-meta-analysis
#13
Benedetta Piccardi, Dolors Giralt, Alejandro Bustamante, Victor Llombart, Teresa García-Berrocoso, Domenico Inzitari, Joan Montaner
CONTEXT: various processes including inflammation and endothelial dysfunction have been implicated in the pathogenesis of cardioembolic (CE) strokes. OBJECTIVE: to review the evidence and investigate the association between immune-inflammatory biomarkers and CE strokes versus other stroke subtypes. METHODS: we systematically reviewed the literature (sources: MEDLINE, web-based register http://stroke-biomarkers.com , reference lists) with quality assessment and meta-analysis of selected articles...
January 24, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28110971/risk-factors-mortality-and-timing-of-ischemic-and-hemorrhagic-stroke-with-left-ventricular-assist-devices
#14
Jennifer A Frontera, Randall Starling, Sung-Min Cho, Amy S Nowacki, Ken Uchino, M Shazam Hussain, Maria Mountis, Nader Moazami
BACKGROUND: Stroke is a major cause of mortality after left ventricular assist device (LVAD) placement. METHODS: Prospectively collected data of patients with HeartMate II (n = 332) and HeartWare (n = 70) LVADs from October 21, 2004, to May 19, 2015, were reviewed. Predictors of early (during index hospitalization) and late (post-discharge) ischemic and hemorrhagic stroke and association of stroke subtypes with mortality were assessed. RESULTS: Of 402 patients, 83 strokes occurred in 69 patients (17%; 0...
December 23, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28107561/beta-blockers-for-hypertension
#15
REVIEW
Charles S Wiysonge, Hazel A Bradley, Jimmy Volmink, Bongani M Mayosi, Lionel H Opie
BACKGROUND: Beta-blockers refer to a mixed group of drugs with diverse pharmacodynamic and pharmacokinetic properties. They have shown long-term beneficial effects on mortality and cardiovascular disease (CVD) when used in people with heart failure or acute myocardial infarction. Beta-blockers were thought to have similar beneficial effects when used as first-line therapy for hypertension. However, the benefit of beta-blockers as first-line therapy for hypertension without compelling indications is controversial...
January 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28107401/how-many-patients-become-functionally-dependent-after-a-stroke-a-3-year-population-based-study-in-joinville-brazil
#16
Lívia Mizuki de Campos, Bruna Mariah Martins, Norberto Luiz Cabral, Selma Cristina Franco, Octávio Marques Pontes-Neto, Suleimy Cristina Mazin, Felipe Ibiapina Dos Reis
The decrease in stroke mortality will increase the burden of survivors with functional dependence (FD). The aim of this study was to evaluate how many patients become functionally dependent over 3 years after an incident event in Joinville, Brazil. The proportion of FD (defined as a modified Rankin score 3 to 5) among stroke survivors from the Joinville Stroke Registry was assessed using a validated telephone interview. Incidence of FD after stroke in Joinville in one year was 23.24 per 100,000 population. The overall proportion of FD among stroke survivors at discharge was 32...
2017: PloS One
https://www.readbyqxmd.com/read/28106621/mortality-risk-reductions-from-substituting-screen-time-by-discretionary-activities
#17
Katrien Wijndaele, Stephen J Sharp, Nicholas J Wareham, Søren Brage
PURPOSE: Leisure-screen-time, including TV viewing, is associated with increased mortality risk. We estimated the all-cause mortality risk reductions associated with substituting leisure-screen-time with different discretionary physical activity types, and the change in mortality incidence associated with different substitution scenarios. METHODS: 423,659 UK Biobank participants, without stroke, myocardial infarction or cancer history, were followed for 7.6 (1.4) (median (IQR)) years...
January 19, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28101148/cell-therapy-for-cerebral-hemorrhage-five-year-follow-up-report
#18
Zhitian Chang, Gengsheng Mao, Lizhong Sun, Qiang Ao, Yongquan Gu, Ying Liu
The aim of the study was to examine treatment of cerebral hemorrhages with bone-marrow or human umbilical cord-derived mesenchymal stem cells (BMSCs or Hu-MSCs) and conventional surgical approaches, and determine and compare the effectiveness, feasibility, safety and reproducibility of each method. A retrospective analysis was performed on a cohort of cell-treated cerebral hemorrhage patients from October 1, 2007 to October 1, 2009. A total of 24 patients, all of whom received conventional surgical treatment, were classified as follows: i) The control group consisted of 8 patients who received only hematoma removal surgery, ii) the autologous group consisted of 7 patients who received additional autologous bone marrow mononuclear cell transplantation, and iii) the allograft group consisted of 9 patients who received additional umbilical cord mononuclear cell transplantation...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28091816/pediatric-cerebral-sinovenous-thrombosis-following-cranial-surgery
#19
Dmitriy Petrov, Michael Y Uohara, Rebecca Ichord, Zarina Ali, Laura Jastrzab, Shih-Shan Lang, Lori Billinghurst
PURPOSE: Pediatric cerebral sinovenous thrombosis (CSVT) is an important, though less common subtype of pediatric stroke. It has been linked to several risk factors, including cranial procedures, with few studies highlighting this relationship. The aim of this study was to characterize the diagnosis and treatment of CSVT after cranial surgery. METHODS: An institutional pediatric stroke research database was used to identify all CSVT cases diagnosed within 30 days of cranial surgery from November 2004 to December 2014...
January 14, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28089094/postprandial-clearance-of-oxidized-low-density-lipoprotein-in-patients-with-stroke-due-to-atherosclerosis
#20
Sami Al Kasab, Christy Cassarly, Ngoc-Anh Le, Renee Martin, Julia Brinley, Marc I Chimowitz, Tanya N Turan
BACKGROUND: Oxidized low-density lipoprotein (OxLDL) is a contributor to atherosclerosis development. OxLDL formation increases in the postprandial state due to oxidative stress in subjects with coronary artery disease (CAD) and diabetes, but has not been studied in patients with atherosclerotic stroke. We aimed to determine differences in postprandial OxLDL in patients with atherosclerotic stroke compared to stroke from other causes. METHODS: Patients with ischemic stroke but no history of CAD (n = 42) were enrolled and categorized by stroke subtype as extracranial atherosclerosis (EC), n = 12; intracranial atherosclerosis (IC), n = 16; or other cause, n = 14...
January 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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