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https://www.readbyqxmd.com/read/29160621/magnetic-resonance-imaging-in-heart-failure-including-coronary-imaging-numbers-facts-and-challenges
#1
EDITORIAL
Lisa Adams, Michel Noutsias, Boris Bigalke, Marcus R Makowski
Coronary artery disease (CAD) is a major risk factor for the incidence and progression of heart failure (HF). HF is characterized by a substantial morbidity and mortality and its lifetime risk is estimated at approximately 20% for men and women. As patients are in most cases identified only after developing overt clinical symptoms, detecting early stages of CAD and HF is of paramount importance. Due to its non-invasiveness, excellent soft-tissue contrast, high spatial resolution, and multiparametric nature, cardiovascular magnetic resonance (CMR) imaging has emerged as a promising radiation-free technique to assess a wide range of cardiovascular diseases such as CAD or HF, enabling a comprehensive evaluation of myocardial anatomy, regional and global function, and viability with the additional benefit of in vivo tissue characterization...
November 21, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29160047/neoatherosclerosis-from-basic-principles-to-intravascular-imaging
#2
Philipp Nicol, Erion Xhepa, Dmitry Bozhko, Michael Joner
Development of new atherosclerotic lesions within the neointima of stented vessels has been recognized as a novel disease manifestation of atherosclerosis (neoatherosclerosis), often manifesting as in-stent restenosis (ISR) or in-stent thrombosis (ST). The pathobiology of this entity is still not fully understood and definite diagnosis is challenging owing to limitations in resolution of contemporary intravascular imaging modalities and lack of consequent histopathology correlation studies. Yet, intravascular imaging has emerged as the gold standard for the diagnosis of in-stent pathologies, the most routinely used modalities being intravascular ultrasound (IVUS) and optical coherence tomography (OCT)...
November 20, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/29159532/a-multiphysics-approach-for-modeling-early-atherosclerosis
#3
M P Thon, A Hemmler, A Glinzer, M Mayr, M Wildgruber, A Zernecke-Madsen, M W Gee
This work is devoted to the development of a mathematical model of the early stages of atherosclerosis incorporating processes of all time scales of the disease and to show their interactions. The cardiovascular mechanics is modeled by a fluid-structure interaction approach coupling a non-Newtonian fluid to a hyperelastic solid undergoing anisotropic growth and a change of its constitutive equation. Additionally, the transport of low-density lipoproteins and its penetration through the endothelium is considered by a coupled set of advection-diffusion-reaction equations...
November 20, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/29157825/1-6-di-o-caffeoyl-%C3%AE-d-glucopyranoside-a-natural-compound-from-callicarpa-nudiflora-hook-impairs-p2y12-and-thromboxane-a2-receptor-mediated-amplification-of-platelet-activation-and-aggregation
#4
Jianjiang Fu, Xiaocui Zhu, Wei Wang, Hong Lu, Zhoumiao Zhang, Ting Liu, Huanjun Xu, Huizheng Fu, Shuangcheng Ma, Yuehua Luo
BACKGROUND: Platelet activation and subsequent accumulation at sites of vascular injury perform a central role in thrombus formation, which is believed to be the trigger of several cardiovascular diseases, such as atherosclerosis, myocardial infarction and strokes. In this sense, the search for agents that are capable of blocking platelets aggregation has important implications for these diseases. Callicarpa nudiflora (C. nudiflora) Hook is a traditional Chinese medicine herb for eliminating stasis to subdue swelling and hemostasis...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29157538/mast-cells-in-calcific-aortic-stenosis
#5
Ivo Šteiner, Václav Stejskal, Pavel Žáček
In developed countries, calcific aortic stenosis (CAS) has become the most common acquired valvular disease and reason for aortic valve replacement. It is considered a form of atherosclerosis and, like the latter, of inflammatory origin, with presence in the calcified aortic valves of blood vessels, lymphatics, lymphocytes, plasma cells, histiocytes, and sometimes also of metaplastic bone tissue. This study is aimed at examining the presence of CD117 - positive mast cells in CAS. In 56 examined calcified aortic valves excised by cardiac surgery, mast cells were constantly present as a part of the polymorphous cellular infiltrate; in individual cases, their numbers were 1-90 (median 24)...
July 23, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29157095/endothelial-autophagic-flux-hampers-atherosclerotic-lesion-development
#6
Marouane Kheloufi, Anne-Clemence Vion, Adel Hammoutene, Johanne Poisson, Juliette Lasselin, Cecile Devue, Isabelle Pic, Nicolas Dupont, Johanna Busse, Konstantin Stark, Julie Lafaurie-Janvore, Abdul I Barakat, Xavier Loyer, Michele Souyri, Benoit Viollet, Pierre Julia, Alain Tedgui, Patrice Codogno, Chantal M Boulanger, Pierre-Emmanuel Rautou
Blood flowing in arteries generates shear forces at the surface of the vascular endothelium that control its anti-atherogenic properties. However, due to the architecture of the vascular tree, these shear forces are heterogeneous and atherosclerotic plaques develop preferentially in areas where shear is low or disturbed. Here we review our recent study showing that elevated shear forces stimulate endothelial autophagic flux and that inactivating the endothelial macroautophagy/autophagy pathway promotes a pro-inflammatory, pro-senescent and pro-apoptotic cell phenotype despite the presence of atheroprotective shear forces...
November 20, 2017: Autophagy
https://www.readbyqxmd.com/read/29156813/association-of-variant-in-the-adipoq-gene-and-functional-study-for-its-role-in-atherosclerosis
#7
Xinzhong Chen, Yanhong Yuan, Yufeng Gao, Qin Wang, Fei Xie, Dongsheng Xia, Yutao Wei, Ting Xie
The burden of atherosclerosis is heritable and associated with elevated risk of developing CVDs. Here, we evaluated genetic variants of adiponectin (ADIPOQ) gene, which has important role in anti- atherosclerosis, with risk of atherosclerosis among a large Chinese population. Our results show that rs74577862 was significantly associated with risk of atherosclerosis (OR=2.08; 95%CI=1.48-2.91; P=2.2×10(-5)). When stratified by atherosclerosis site, rs74577862 was associated with increased risk of both carotid atherosclerosis (OR=2...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155735/quantification-of-monocyte-transmigration-and-foam-cell-formation-from-individuals-with-chronic-inflammatory-conditions
#8
Thomas A Angelovich, Anna C Hearps, Anna Maisa, Theodoros Kelesidis, Anthony Jaworowski
Coronary artery disease (CAD) is a leading cause of morbidity and mortality worldwide. Atherosclerosis, a leading cause of CAD, is initiated by the transmigration of innate immune monocytes to inflammatory sites of deposited lipid called fatty streaks, which are present in arterial walls of medium to large arteries. The key pathogenic feature of lesions at this early stage of atherosclerosis is the maturation of monocytes which migrate into arteries to form foam cells or lipid-laden macrophages. Considerable evidence supports the hypothesis that risk of atherosclerosis is increased by chronic inflammatory conditions accompanying diseases such as rheumatoid arthritis and HIV, as well as general ageing, and that this risk is predicted by monocyte activation...
October 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155025/understanding-the-role-of-mammalian-sterile-20-like-kinase-1-mst1-in-cardiovascular-disorders
#9
REVIEW
Yang Yang, Haichang Wang, Zhiqiang Ma, Wei Hu, Dongdong Sun
Hippo signaling is a conserved pathway and plays important role in controlling cell proliferation and differentiation. As critical components of the Hippo pathway in mammals, mammalian sterile 20-like kinase 1 (MST1) participate in cell apoptosis and cell proliferation. Yes-associated protein (YAP) acts as a downstream transcriptional co-activator of MST1. MST1 is present in heart tissue and helps determine the fate of cardiomyocytes by regulating the balance between autophagy and apoptosis. Recent studies showed MST1 signaling is an essential participant in many cardiovascular disorders, including aortic dissection, aortic aneurysm, atherosclerosis, myocardial ischemic injury, and cardiomyopathy...
November 15, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29153337/-optimal-cholesterol-levels-in-patients-in-real-life-a-systematic-review
#10
REVIEW
C Escobar, V Barrios, L Pérez de Isla
Dyslipidaemia is one of the main risk factors for the development of atherosclerosis. Different studies have demonstrated that the lower the LDL cholesterol, the better. Current evidence shows that the LDL cholesterol targets recommended by the clinical practice guidelines are beneficial and safe. However, consistent data show that higher reductions might provide additional cardiovascular beneficial effects, without an increase in side effects. Unfortunately, the current control of dyslipidaemia is very poor...
November 16, 2017: Semergen
https://www.readbyqxmd.com/read/29152140/inhibition-of-il-8-mediated-endothelial-adhesion-vsmcs-proliferation-and-migration-by-sirna-tmem98-suggests-tmem98-s-emerging-role-in-atherosclerosis
#11
Guangxin Lv, Hongmei Zhu, Cai Li, Jingyu Wang, Dandan Zhao, Shuyao Li, Le Ma, Guohua Sun, Fang Li, Ying Zhao, Ying Gao
Transmembrane protein 98 (TMEM98), known as a novel gene related to lung cancer, hepatocellular carcinoma, differentiation of T helper 1 cells and normal eye development, has no defined role reported in terms of atherosclerosis (AS). To investigate the potential involvement of TMEM98 during AS processes, its obvious secretion and expression has been initially characterized in hyperlipidemia patients' serum and AS mice's serum respectively. We then explored the possible role of TMEM98 in the pathogenesis of AS in vitro...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29150407/disease-trends-over-time-and-cd4-ccr5-t-cells-expansion-predict-carotid-atherosclerosis-development-in-patients-with-systemic-lupus-erythematosus
#12
A Baragetti, G A Ramirez, M Magnoni, K Garlaschelli, L Grigore, M Berteotti, I Scotti, E Bozzolo, A Berti, P G Camici, A L Catapano, A A Manfredi, E Ammirati, G D Norata
BACKGROUND AND AIM: Patients with Systemic Lupus Erythematosus (SLE) present increased cardiovascular mortality compared to the general population. Few studies have assessed the long-term development and progression of carotid atherosclerotic plaque in SLE patients. Our aim was to investigate the association of clinical and laboratory markers of disease activity and classical cardiovascular risk factors (CVRF) with carotid atherosclerosis development in SLE patients in a prospective 5-year study...
September 18, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29150290/premature-atherosclerosis-in-premenopausal-women-does-cytokine-balance-play-a-role
#13
Jo-Ann Eastwood, Doris A Taylor, B Delia Johnson, Micheline Resende, Barry L Sharaf, Bina Ahmed, Margo Minissian, Chrisandra Shufelt, Noel Bairey Merz
Contributory risk factors to premature coronary artery disease (CAD) in premenopausal women are poorly understood and data on this subset of women is lacking. There is growing evidence that the process of inflammation is a part of the atherosclerotic process. Mechanistic insights from animal work suggest that the profile of circulating cytokines reflects both endothelial integrity and the presence of immune and progenitor cells. Significant differences in pro- and anti-inflammatory cytokine concentrations between patients with and without CAD exist...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29149816/maternal-dyslipidaemia-in-pregnancy-with-gestational-diabetes-mellitus-possible-impact-in-the-foetoplacental-vascular-function-and-the-lipoprotein-in-the-neonatal-circulation
#14
Susana Contreras-Duarte, Lorena Carvajal, Barbara Fuenzalida, Claudette Cantin, Luis Sobrevia, Andrea Leiva
Dyslipidaemia occurs in pregnancy to secure foetal development. The mother shows a physiological increase in plasma total cholesterol and triglycerides (TG) as pregnancy progresses (i.e. maternal physiological dyslipidaemia in pregnancy). However, in some women pregnancy-associated dyslipidaemia exceeds this physiological adaptation. The consequences of this condition on the developing foetus include endothelial dysfunction of the foetoplacental vasculature and development of foetal aortic atherosclerosis. Gestational diabetes mellitus (GDM) associates with abnormal function of the foetoplacental vasculature due to foetal hyperglycaemia and hyperinsulinaemia, and associates with development of cardiovascular disease in adulthood...
November 16, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/29149184/health-effects-of-saturated-and-trans-fatty-acid-intake-in-children-and-adolescents-systematic-review-and-meta-analysis
#15
Lisa Te Morenga, Jason M Montez
BACKGROUND: Elevated cholesterol has been linked to cardiovascular disease in adults and preclinical markers of atherosclerosis in children, thus reducing saturated (SFA) and trans-fatty acids (TFA) intake from an early age may help to reduce cholesterol and the risk of cardiovascular disease later in life. The aim of this review is to examine the evidence for health effects associated with reducing SFA and TFA intake in free-living children, adolescents and young adults between 2 to 19 years of age...
2017: PloS One
https://www.readbyqxmd.com/read/29147634/intracranial-ischemic-infarct-due-to-blunt-force-trauma-in-a-high-school-football-player
#16
Brandon I Esianor, Ali S Haider, Margaret I Engelhardt, Tijani Osumah, Steven Vayalumkal, Richa Thakur, Dean Leonard, Jeffrey Haithcock, Kennith F Layton
Ischemic stroke is an uncommon cause of death among teenagers and young adults; however, the etiologies differ when compared to ischemic strokes in older individuals. Large-vessel atherosclerosis and small-vessel disease causing ischemic stroke are rare for the teenage population, while cervicocerebral arterial dissections account for up to 20% of ischemic strokes. Here, we present the case of a 16-year-old male who developed internal carotid artery dissection (ICAD) after a head injury and subsequently developed ischemic stroke and seizures...
September 7, 2017: Curēus
https://www.readbyqxmd.com/read/29147127/association-between-abo-blood-group-and-severity-of-coronary-artery-disease-in-unstable-angina
#17
Negar Omidi, Mohammad Rafie Khorgami, Mohammad Effatpanah, Farnaz Khatami, Mehrpouya Mashhadizadeh, Arash Jalali, Hamidreza Hekmat
BACKGROUND: ABO blood groups are genetically transmitted through chromosome 9 at locus 9q34. It is supposed that there is a locus on 9p21, which has a role in developing coronary artery disease. METHODS: Our study population consisted of 309 patients with unstable angina admitted to the Ziaeian Hospital, Tehran, Iran, who underwent coronary angiography. The association between types of blood group (O and non-O) with the severity of coronary artery disease was investigated...
July 2017: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/29146892/intermedin-ameliorates-atherosclerosis-by-increasing-cholesterol-efflux-through-the-camp-pka-pathway-in-macrophage-raw264-7-cell-line
#18
Hang Liao, Shixi Wan, Xin Zhang, Di Shi, Xiaojiang Zhu, Xiaoping Chen
BACKGROUND The aim of this study was to explore the role of intermedin and its mechanism in cholesterol efflux of macrophage THP-1 and RAW264.7 cell lines in atherosclerosis (AS). MATERIAL AND METHODS ApoE-/- mice were fed with a high-fat diet, and the concentrations of total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C) were measured. The lipidoses of the aortic sinus were analyzed by hematoxylin and eosin staining, and the cAMP level was detected by enzyme-linked immunosorbent assay (ELISA)...
November 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29146190/newly-developed-selective-immunoinactivation-assay-revealed-reduction-in-adipose-triglyceride-lipase-activity-in-peripheral-leucocytes-from-patients-with-idiopathic-triglyceride-deposit-cardiomyovasculopathy
#19
Atsuko Takagi, Yasuyuki Ikeda, Kunihisa Kobayashi, Kazuhiro Kobayashi, Yoshihiko Ikeda, Junji Kozawa, Hideyuki Miyauchi, Ming Li, Chikako Hashimoto, Yasuhiro Hara, Satoshi Yamaguchi, Akira Suzuki, Tatsushi Toda, Hironori Nagasaka, Ken-Ichi Hirano
Triglyceride deposit cardiomyovasculopathy (TGCV) is a rare and newly identified disease among patients requiring cardiac transplantation. TGCV is characterized by cardiomyocyte steatosis and triglyceride (TG)-deposit atherosclerosis, resulting from the abnormal intracellular metabolism of TG. TGCV is classified into primary and idiopathic types. Primary TGCV carries ultra-rare genetic mutations in the adipose triglyceride lipase (ATGL), a rate-liming enzyme that hydrolyzes intracellular TG in adipose and non-adipose tissues...
November 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29145955/cardiovascular-complications-of-cancer%C3%A2-therapy-best-practices-in-diagnosis-prevention-and-management-part-2
#20
REVIEW
Hui-Ming Chang, Tochukwu M Okwuosa, Tiziano Scarabelli, Rohit Moudgil, Edward T H Yeh
In this second part of a 2-part review, we will review cancer or cancer therapy-associated systemic and pulmonary hypertension, QT prolongation, arrhythmias, pericardial disease, and radiation-induced cardiotoxicity. This review is based on a MEDLINE search of published data, published clinical guidelines, and best practices in major cancer centers. Newly developed targeted therapy can exert off-target effects causing hypertension, thromboembolism, QT prolongation, and atrial fibrillation. Radiation therapy often accelerates atherosclerosis...
November 14, 2017: Journal of the American College of Cardiology
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