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Total 437 results found since Jan 2013.

The Association Between Ambient Air Pollution and Atrial Fibrillation
Int Heart J. 2021 Mar 6. doi: 10.1536/ihj.20-523. Online ahead of print.ABSTRACTAtrial fibrillation (AF) is the most common cardiac arrhythmia; it has been known to increase the risk of stroke and heart failure. The association between air pollutants and AF has remained to be controversial. Thus, in this study, we sought to undertake a systematic review and meta-analysis in order to assess the short- and long-term effects of ambient air pollution on AF.We searched PubMed, Web of Science, Embase, and Ovid for all related studies up to October 2019. We used the random-effects model to estimate the excess risk percentage (ER%...
Source: International Heart Journal - March 8, 2021 Category: Cardiology Authors: Miao Chen Jianqiang Zhao Chengui Zhuo Liangrong Zheng Source Type: research

Effect Of n-amyl alcohol/biodiesel blended nano additives on the performance, combustion and emission characteristics of CRDi diesel engine
Environ Sci Pollut Res Int. 2021 Mar 6. doi: 10.1007/s11356-021-13165-5. Online ahead of print.ABSTRACTThis paper deals with the study on the influence of the effects of iron oxide nanoparticle additives when added to ternary fuel (diesel + mahua methyl ester + pentanol) on the emission, combustion, and performance characteristics of a four stroke, single cylinder, common rail direct injection diesel engine working at a constant speed and varying operating scenarios. Doping is done in various proportions to the nanoparticle additives with the help of a homogenizer and ultrasonicator where the cationic surfactant used is CT...
Source: Environmental Science and Pollution Research International - March 7, 2021 Category: Environmental Health Authors: Prabhu Kishore Nutakki Santhosh Kumar Gugulothu Jatoth Ramachander Mulugundam Sivasurya Source Type: research

Vascular and Macrophage Heme Oxygenase-1 in Hypertension: A Mini-Review
Hypertension is one predictive factor for stroke and heart ischemic disease. Nowadays, it is considered an inflammatory disease with elevated cytokine levels, oxidative stress, and infiltration of immune cells in several organs including heart, kidney, and vessels, which contribute to the hypertension-associated cardiovascular damage. Macrophages, the most abundant immune cells in tissues, have a high degree of plasticity that is manifested by polarization in different phenotypes, with the most well-known being M1 (proinflammatory) and M2 (anti-inflammatory). In hypertension, M1 phenotype predominates, producing inflammato...
Source: Frontiers in Physiology - February 26, 2021 Category: Physiology Source Type: research

Association between exposure to ambient air pollution and hospital admission, incidence, and mortality of stroke: an updated systematic review and meta-analysis of more than 23 million participants
ConclusionsExposure to air pollution was positively associated with an increased risk of stroke hospital admission (PM2.5, PM10, SO2, NO2, CO, and O3), incidence (PM2.5, SO2, and NO2), and mortality (PM2.5, PM10, SO2, and NO2). Our study would provide a more comprehensive evidence of air pollution and stroke, especially SO2 and NO2.
Source: Environmental Health and Preventive Medicine - January 26, 2021 Category: Environmental Health Source Type: research

Nutraceutical Induction and Mimicry of Heme Oxygenase Activity as a Strategy for Controlling Excitotoxicity in Brain Trauma and Ischemic Stroke: Focus on Oxidative Stress.
Authors: McCarty MF, Lerner A Abstract Introduction: Ischemic stroke and traumatic brain injury are leading causes of acute mortality, and in the longer run, major causes of significant mental and physical impairment. Most of the brain neuronal cell death in the minutes and hours following an ischemic stroke or brain trauma is mediated by the process of excitotoxicity, in which sustained elevations of extracellular glutamate, reflecting a failure of ATP-dependent mechanism which sequester glutamate in neurons and astrocytes, drive excessive activation of NMDA receptors. Areas covered: A literature search was undertake...
Source: Expert Review of Neurotherapeutics - December 9, 2020 Category: Neurology Tags: Expert Rev Neurother Source Type: research

Nutraceutical induction and mimicry of heme oxygenase activity as a strategy for controlling excitotoxicity in brain trauma and ischemic stroke: focus on oxidative stress
Expert Rev Neurother. 2021 Feb;21(2):157-168. doi: 10.1080/14737175.2021.1861940. Epub 2020 Dec 28.ABSTRACTIntroduction: Ischemic stroke and traumatic brain injury are leading causes of acute mortality, and in the longer run, major causes of significant mental and physical impairment. Most of the brain neuronal cell death in the minutes and hours following an ischemic stroke or brain trauma is mediated by the process of excitotoxicity, in which sustained elevations of extracellular glutamate, reflecting a failure of ATP-dependent mechanism which sequester glutamate in neurons and astrocytes, drive excessive activation of N...
Source: Expert Review of Neurotherapeutics - December 8, 2020 Category: Neurology Authors: Mark F McCarty Aaron Lerner Source Type: research