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Atherosclerosys

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https://www.readbyqxmd.com/read/29352673/chest-pain-in-a-young-female
#1
Paul S Basel, Daniel Reschke, Michael D April
Acute Coronary Syndrome (ACS) is a common diagnosis in the emergency department (ED), the most severe manifestation of which is ST elevation on electrocardiogram (ECG). ST elevation reflects obstruction of flow through the coronary arteries, most commonly due to coronary atherosclerotic plaque rupture. However, alternative causes of coronary obstruction causing ST elevation are possible. Spontaneous coronary artery dissection (SCAD) is an unusual cause of ST elevation in ED patients which providers may encounter in patients without traditional atherosclerosis risk factors...
January 11, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29352570/the-nlrp3-inflammasome-and-the-emerging-role-of-colchicine-to-inhibit-atherosclerosis-associated-inflammation
#2
REVIEW
Gonzalo J Martínez, David S Celermajer, Sanjay Patel
Atherosclerosis is considered a chronic inflammatory disease of the arterial wall. Recently, compelling evidence has arisen for the role of monocytes and neutrophils and a particular protein complex that resides within these cells - the NLRP3 inflammasome - in atherosclerosis-associated inflammation. It is now also known that cholesterol crystals are present through all stages of atherosclerosis and can activate the NLRP3 inflammasome within these inflammatory cells to produce interleukin 1β and interleukin 18 - key mediators in the inflammatory cascade that drive plaque progression and instability...
December 25, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29352340/angiotensin-1-7-induced-mas-receptor-activation-attenuates-atherosclerosis-through-a-nitric-oxide-dependent-mechanism-in-apolipoproteine-ko-mice
#3
Guang Yang, Geoffrey Istas, Sascha Höges, Mina Yakoub, Ulrike Hendgen-Cotta, Tienush Rassaf, Ana Rodriguez-Mateos, Lydia Hering, Maria Grandoch, Evanthia Mergia, Lars Christian Rump, Johannes Stegbauer
Angiotensin (Ang)-(1-7) ameliorates vascular injury by increasing nitric oxide (NO) bioavailability. Evidence that Ang-(1-7) attenuates the development of atherosclerosis through a NO-dependent mechanism is still missing. Moreover, it has been postulated that Ang-(1-7) may mediate its effects by other mechanisms than Mas receptor activation. To investigate Ang-(1-7)-dependent Mas receptor function, we treated apoE-KO and apoE/Mas-KO mice chronically with Ang-(1-7) (82 μg/kg per hour) or saline for 6 weeks...
January 20, 2018: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/29352072/sex-and-race-differences-in-lifetime-risk-of-heart-failure-with-preserved-ejection-fraction-and-heart-failure-with-reduced-ejection-fraction
#4
Ambarish Pandey, Wally Omar, Colby Ayers, Michael LaMonte, Liviu Klein, Norrina Allen, Lewis H Kuller, Philip Greenland, Charles Eaton, John S Gottdiener, Donald Lloyd-Jones, Jarett D Berry
Background -Lifetime risk of heart failure has been estimated to range from 20% to 46% in diverse sex and race groups. However, lifetime risk estimates for the two HF phenotypes, HF with preserved ejection fraction (HFpEF) and HF with reduced ejection fraction (HFrEF), is not known. Methods -Participant-level data from 2 large prospective cohort studies, the Cardiovascular Health Study (CHS) and the Multiethnic Study of Atherosclerosis (MESA), were pooled excluding individuals with prevalent HF at baseline...
January 19, 2018: Circulation
https://www.readbyqxmd.com/read/29351856/high-density-lipoprotein-with-apolipoprotein-c-iii-is-associated-with-carotid-intima-media-thickness-among-generally-healthy-individuals
#5
Rain Yamamoto, Frank M Sacks, Frank B Hu, Bernard Rosner, Jeremy D Furtado, Sarah A Aroner, Ele Ferrannini, Simona Baldi, Michaela Kozakova, Beverley Balkau, Andrea Natali, Majken K Jensen
BACKGROUND AND AIMS: About 6-7% of high density lipoprotein (HDL) has a protein called apolipoprotein (apo) C-III that regulates lipoprotein metabolism and can provoke an inflammatory response. HDL without apoC-III is inversely associated with coronary heart disease (CHD), whereas HDL with apoC-III is directly associated with CHD. We investigated how the presence of apoC-III affects the association between HDL and early stages of atherosclerosis measured as carotid intima-media thickness (cIMT)...
January 2, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29351855/the-relationship-of-circulating-fibroblast-growth-factor-21-levels-with-incident-atrial-fibrillation-the-multi-ethnic-study-of-atherosclerosis
#6
Tsz Him Hui, Robyn L McClelland, Matthew A Allison, Carlos J Rodriguez, Richard A Kronmal, Susan R Heckbert, Erin D Michos, Philip J Barter, Kerry-Anne Rye, Kwok Leung Ong
BACKGROUND AND AIMS: Elevated circulating levels of fibroblast growth factor 21 (FGF21) are associated with multiple cardiovascular disease (CVD) risk factors and incident events. Previous small cross-sectional studies, mainly in Chinese populations, have suggested FGF21 may play a role in the development of atrial fibrillation (AF). We therefore investigated the relationship of FGF21 levels with incident AF in participants free of clinically apparent CVD at baseline in a large, multi-ethnic cohort...
December 25, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29351794/metabolic-syndrome-severity-is-significantly-associated-with-future-coronary-heart-disease-in-type-2-diabetes
#7
Matthew J Gurka, Yi Guo, Stephanie L Filipp, Mark D DeBoer
BACKGROUND: The severity of the metabolic syndrome (MetS) is significantly associated with future coronary heart disease (CHD) among individuals without baseline Type 2 diabetes. However, the validity of assessing MetS severity among individuals with diabetes is unknown. OBJECTIVE: To assess for differences in MetS severity by timing of Type 2 diabetes diagnosis and to assess for associations between MetS severity and future CHD among individuals with diabetes. METHODS: We analyzed data from participants of the Atherosclerosis Risk in Communities study, including 1419 with- and 7241 without diabetes, followed during 4 visits and adjudicated CHD diagnoses over a 20-year period...
January 19, 2018: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29350881/interferon-induced-protein-35-ifi35-inhibits-endothelial-cell-proliferation-migration-and-re-endothelialization-of-injured-arteries-by-inhibiting-the-nuclear-factor-kappa-b-nf-kb-pathway
#8
Dongdong Jian, Weina Wang, Xinmiao Zhou, Zhen Jia, Jing Wang, Mei Yang, Wenting Zhao, Zhen Jiang, Xiaotong Hu, Jianhua Zhu
AIM: Endothelial recovery, or re-endothelialization, plays an important role in intimal hyperplasia and atherosclerosis after endothelial injury. Studying the mechanisms of re-endothelialization and strategies to promote efficient endothelial recovery are still needed. Interferon-induced protein 35 (IFI35) is an IFN-γ-induced protein that plays important roles in the anti-virus-related immune-inflammatory response. In this study, we tested whether overexpression IFI35 affects the proliferation and migration of endothelial cells (ECs) and re-endothelialization...
January 19, 2018: Acta Physiologica
https://www.readbyqxmd.com/read/29349672/sta-aca-bypass-using-the-ipsilateral-free-sta-graft-as-an-interposition-graft-and-a3-a3-anastomosis-for-treatment-of-bilateral-aca-steno-occlusive-ischemia
#9
Tetsuyoshi Horiuchi, Shunsuke Ichinose, Masahiro Agata, Kiyoshi Ito, Kazuhiro Hongo
BACKGROUND: Anterior cerebral artery (ACA)-related ischemia is a rare entity in patients with atherosclerosis. Some surgical treatments are reported to date. METHOD: We present the modification of intracranial-intracranial and intracranial-extracranial bypasses for symptomatic bilateral ACA steno-occlusive disease. The A3-A3 bypass followed by the superficial temporal artery-ACA bypass using the ipsilateral free superficial temporal artery graft is useful without harvesting of the radial artery...
January 18, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29349365/d%C3%A3-bridement-of-atheroma-in-the-proximal-clamp-site-under-hypothermic-circulatory-arrest-for-repair-of-abdominal-aortic-aneurysm-with-severe-atherosclerosis
#10
Takashi Yamauchi, Suguru Kubota, Kosei Hasegawa
Postoperative renal and other ischemic complications due to atheroembolization after clamping of the proximal site of an abdominal aortic aneurysm are catastrophic. We present here a method of débridement of atheroma and clamping under hypothermic circulatory arrest to avoid iatrogenic atheroembolization.
March 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349240/explaining-racial-ethnic-differences-in-all-cause-mortality-in-the-multi-ethnic-study-of-atherosclerosis-mesa-substantive-complexity-and-hazardous-working-conditions-as-mediating-factors
#11
Kaori Fujishiro, Anjum Hajat, Paul A Landsbergis, John D Meyer, Pamela J Schreiner, Joel D Kaufman
Research on racial/ethnic health disparities and socioeconomic position has not fully considered occupation. However, because occupations are racially patterned, certain occupational characteristics may explain racial/ethnic difference in health. This study examines the role of occupational characteristics in racial/ethnic disparities in all-cause mortality. Data are from a U.S. community-based cohort study (n=6342, median follow-up: 12.2 years), in which 893 deaths (14.1%) occurred. We estimated mortality hazard ratios (HRs) for African Americans, Hispanics, and Chinese Americans compared with whites...
December 2017: SSM—Population Health
https://www.readbyqxmd.com/read/29349091/coexistent-ipsilateral-internal-carotid-artery-occlusion-and-cerebral-venous-thrombosis-in-hepatitis-c
#12
Karan Seegobin, Somphanh Khousakhoun, Ryan Crooks, Satish Maharaj, Cherisse Baldeo
A 58-year-old male, known to have hepatitis C virus (HCV), presented with intermittent headaches and left-sided sensorimotor symptoms. There were no focal neurological deficits on examination. Electrocardiogram was unremarkable. Computed tomography angiography head and neck displayed extracranial right internal carotid artery occlusion. Magnetic resonance imaging showed right cortical vein thrombosis, with hemorrhagic infarction. Echocardiography with bubble study was unremarkable. Hypercoagulable workup was significant for protein S deficiency...
January 2018: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29348121/endothelial-cell-derived-von-willebrand-factor-but-not-platelet-derived-promotes-atherosclerosis-in-apolipoprotein-e-deficient-mice
#13
Prakash Doddapattar, Nirav Dhanesha, Mehul R Chorawala, Chandler Tinsman, Manish Jain, Manasa K Nayak, Janice M Staber, Anil K Chauhan
OBJECTIVE: VWF (von Willebrand factor) is synthesized by endothelial cells and megakaryocytes and is known to contribute to atherosclerosis. In vitro studies suggest that platelet-derived VWF (Plt-VWF) is biochemically and functionally different from endothelial cell-derived VWF (EC-VWF). We determined the role of different pools of VWF in the pathophysiology of atherosclerosis. APPROACH AND RESULTS: Using bone marrow transplantation, we generated chimeric Plt-VWF, EC-VWF, and Plt-VWF mice lacking a disintegrin and metalloprotease with thrombospondin type I repeats-13 in platelets and plasma on apolipoprotein E-deficient (Apoe-/-) background...
January 18, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29348026/imaging-the-intersection-of-oxidative-stress-lipids-and-inflammation-progress-toward-personalized-care-of-atherosclerosis
#14
EDITORIAL
Ahmed Tawakol, Farouc Jaffer
No abstract text is available yet for this article.
January 23, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29347857/mulberry-leaves-and-their-potential-effects-against-cardiometabolic-risks-a-review-of-chemical-compositions-biological-properties-and-clinical-efficacy
#15
Thanchanit Thaipitakwong, Surawej Numhom, Pornanong Aramwit
CONTEXT: Cardiometabolic risks are regarded as the crucial factors associated with type 2 diabetes (T2DM) and cardiovascular diseases (CVD). Regarding an increased attention to medicinal plants in the current healthcare system, the effects of mulberry (Morus spp., Moraceae) leaves on cardiometabolic risks have been consecutively considered in scientific research. OBJECTIVE: The present review compiles and summarizes the chemical compositions, biological properties and clinical efficacy of mulberry leaves that are related to the amelioration of cardiometabolic risks...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29346649/endothelial-function-in-rheumatoid-arthritis
#16
Mohammad Adawi, Abdulla Watad, Nicola Luigi Bragazzi, Howard Amital, Saaida Golan, Sirchan Rizak, Blum Arnon
Background: Rheumatoid arthritis (RA) patients are at higher risk of accelerated atherosclerosis. We sought to assess endothelial dysfunction in RA to find a possible mechanistic pathway that will explain this clinical phenomenon. Methods: A prospective study recruited 44 RA patients with an active long standing (>12 months) disease. All underwent a detailed assessment of disease activity. To estimate the endothelial function the Brachial Artery Method was performed, measuring flow mediated diameter percent change (FMD%)...
January 15, 2018: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29346450/cloning-and-spatiotemporal-expression-of-xenopus-laevis-apolipoprotein-ci
#17
Jyotsna Sridharan, Tomomi Haremaki, Daniel C Weinstein
Apolipoprotein CI (ApoCI) belongs to the Apolipoprotein superfamily, members of which are involved in lipid transport, uptake and homeostasis. Excessive ApoCI has been implicated in atherosclerosis and Alzheimer's disease in humans. In this study we report the isolation of Xenopus laevis apoCI and describe the expression pattern of this gene during early development, using reverse transcription polymerase chain reaction and whole mount in situ hybridization. Xenopus apoCI is enriched in the dorsal ectoderm during gastrulation, and is subsequently expressed in sensory placodes, neural tube and cranial neural crest...
2018: PloS One
https://www.readbyqxmd.com/read/29346331/growth-hormone-gh-and-cardiovascular-system
#18
REVIEW
Diego Caicedo, Oscar Díaz, Pablo Devesa, Jesús Devesa
This review describes the positive effects of growth hormone (GH) on the cardiovascular system. We analyze why the vascular endothelium is a real internal secretion gland, whose inflammation is the first step for developing atherosclerosis, as well as the mechanisms by which GH acts on vessels improving oxidative stress imbalance and endothelial dysfunction. We also report how GH acts on coronary arterial disease and heart failure, and on peripheral arterial disease, inducing a neovascularization process that finally increases flow in ischemic tissues...
January 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29345597/pediatric-markers-of-adult-cardiovascular-disease
#19
Micah Olson, Melissa Chambers, Gabe Shaibi
Cardiovascular disease (CVD) is the leading cause of mortality in the United States . Atherosclerotic CV events do not occur until adulthood, except in the context of rare genetic disorders such as homozygous familial hypercholesterolemia. However, the atherogenic process that leads to CVD begins in childhood and progresses throughout the lifespan . The degree of atherosclerosis early in life is associated with established risk factors for CVD (e.g. family history, obesity, dyslipidemia), indicating that the development and progression of atherosclerosis in childhood is driven by genetic as well as environmental factors...
January 16, 2018: Current Pediatric Reviews
https://www.readbyqxmd.com/read/29345585/mandatory-reporting-of-coronary-artery-calcifications-incidentally-noted-on-chest-multi-detector-computed-tomography-a-multicentre-experience
#20
Salvatore Cappabianca, Maria Paola Belfiore, Alfonso Reginelli, Raffaella Capasso, Alessandra Del Prete, Mario Petrillo, Paola Mascia, Claudia Rossi, Francesco Romano, Massimo De Filippo, Michele Scialpi, Felice Gragnano, Paolo Calabro, Giuseppe Belfiore, Luca Brunese, Roberto Grassi, Antonio Rotondo
BACKGROUND Coronary artery calcifications (CACs) are associated with coronary atherosclerosis and cardiovascular (CV) events. In "non-cardiovascular" settings, CACs can be easily detected on chest multi-detector computed tomography (MDCT). Their evaluation may help to better stratify CV risk in the general population, especially for primary prevention. AIMS We retrospectively evaluated the relationship between CAC distribution and CV risk, determined by Framingham Risk Score (FRS), in a cohort of patients who underwent chest MDCT performed for several clinical indications...
January 16, 2018: Current Vascular Pharmacology
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