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coronary atherosclerosis

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https://www.readbyqxmd.com/read/29684365/leucocyte-dynamics-during-the-evolution-of-human-coronary-atherosclerosis-conclusions-from-a-7-fold-chromogen-based-immunohistochemical-evaluation
#1
Melissa Zuiderwijk, Marlieke Geerts, Connie Janssen van Rhijn, Antoon van den Bogaerdt, Jaap F Hamming, Rogier A van Dijk, Jan H Lindeman
Atherosclerosis is a complex process with strong inflammatory component. We developed a straightforward 7-fold staining protocol for simultaneous assessment of dominant leucocyte classes, vascularization, and expression of the putative foam cell maker CD36. The method was applied on human coronaries covering the full spectrum of atherosclerotic disease. Results confirm the progressive association of macrophages and T-cells with the process, and a global presence of mast cells. B-cells exclusively present in adventitial follicles that accompany the process plaque destabilization (thin cap and ruptured lesions) and are otherwise absent...
April 20, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29682294/duragraft-vascular-conduit-preservation-solution-in-patients-undergoing-coronary-artery-bypass-grafting-rationale-and-design-of-a-within-patient-randomised-multicentre-trial
#2
Walid Ben Ali, Pierre Voisine, Peter Skov Olsen, Hugues Jeanmart, Nicolas Noiseux, Tracy Goeken, Vilas Satishchandran, Filippo Cademartiri, Garry Cutter, Dave Veerasingam, Craig Brown, Maximilian Y Emmert, Louis P Perrault
Introduction: Saphenous vein grafts (SVGs) remain the most often used conduits in coronary artery bypass grafting (CABG). However, they are prone to vein graft disease (VGD) during follow-up, which may compromise clinical outcomes. Injury to the SVG endothelium during harvesting and storage promotes neointimal hyperplasia that can advance to atherosclerosis characterised by SVG failure. This trial investigates the potential benefit of DuraGraft, a novel, one-time intraoperative graft treatment developed to efficiently protect the structural and functional integrity of the vascular endothelium, on the development and progression of VGD in CABG patients...
2018: Open Heart
https://www.readbyqxmd.com/read/29681850/-tnfrsf12a-mediated-atherosclerosis-signaling-and-inflammatory-response-as-a-common-protection-mechanism-of-shuxuening-injection-against-both-myocardial-and-cerebral-ischemia-reperfusion-injuries
#3
Ming Lyu, Ying Cui, Tiechan Zhao, Zhaochen Ning, Jie Ren, Xingpiao Jin, Guanwei Fan, Yan Zhu
Shuxuening injection (SXNI) is a widely prescribed herbal medicine of Ginkgo biloba extract (EGB) for cerebral and cardiovascular diseases in China. However, its curative effects on ischemic stroke and heart diseases and the underlying mechanisms remain unknown. Taking an integrated approach of RNA-seq and network pharmacology analysis, we compared transcriptome profiles of brain and heart ischemia reperfusion injury in C57BL/6J mice to identify common and differential target genes by SXNI. Models for myocardial ischemia reperfusion injury (MIRI) by ligating left anterior descending coronary artery (LAD) for 30 min ischemia and 24 h reperfusion and cerebral ischemia reperfusion injury (CIRI) by middle cerebral artery occlusion (MCAO) for 90 min ischemia and 24 h reperfusion were employed to identify the common mechanisms of SXNI on both cerebral and myocardial ischemia reperfusion...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29681571/the-outcome-of-percutaneous-coronary-intervention-for-significant-atherosclerotic-lesions-in-segment-proximal-to-myocardial-bridge-at-left-anterior-descending-coronary-artery
#4
Zhang Hao, Jia Xinwei, Zakarya Ahmed, Pan Huanjun, Wang Zhanqi, Wang Yanfei, Chen Chunhong, Zhang Chan, Fu Liqiang
This study aimed to evaluate the efficacy of percutaneous coronary intervention (PCI) for significant atherosclerosis lesions proximal to myocardial bridge (MB) at left anterior descending coronary artery (LAD).A total of 330 consecutive patients with LAD significant stenosis, diagnosed as acute coronary syndrome (ACS), were included. Based on whether combined with MB, the patients were divided into the MB group (MB, n = 48) and non-MB group (NMB, n = 282). Drug eluting stents (DES) were successfully implanted in the stenostic segments prior to MB...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681053/diagnostic-value-of-plasma-pentraxin3-level-for-diagnosis-of-erectile-dysfunction
#5
Ali Erhan Eren, Ahmet Resit Ersay, Emrah Demirci, Cabir Alan, Gökhan Basturk
PURPOSE: Erectile dysfunction (ED) is a sexual dysfunction described as the inability to develop or maintain an erection of the penis adequate for sexual intercourse, and its prevalence increases with age. Seen as a common sexual disorder worldwide, organic causes are the underlying reason for 80 percent of ED cases, with the most characteristic pathology responsible for organic ED being atherosclerosis. This study investigates the diagnostic value of plasma PTX-3 levels in arterial ED...
April 19, 2018: Urology Journal
https://www.readbyqxmd.com/read/29680699/the-additive-effect-of-adherence-to-multiple-healthy-lifestyles-on-subclinical-atherosclerosis-insights-from-the-awhs
#6
Irina Uzhova, Rocio Mateo-Gallego, Belén Moreno-Franco, Esther Molina-Montes, Montserrat Leon-Latre, José A Casasnovas Lenguas, Fernando Civeira, José L Peñalvo
BACKGROUND: Public health strategies targeting multiple healthy behaviors, rather than individual factors, have been proposed as more efficient strategies to promote cardiovascular health. However, the additive effect of multiple targets on primary prevention has not been fully characterized. OBJECTIVE: To examine how adherence to multiple healthy behaviors is associated with the presence of subclinical atherosclerosis, a measure of early cardiovascular disease...
March 28, 2018: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29680174/human-serum-albumin-in-cardiovascular-diseases
#7
REVIEW
Stephane Arques
Cardiovascular diseases are the leading cause of death worldwide. Endothelial dysfunction, inflammation and oxidative stress are at the forefront in the onset and development of atherosclerosis and many cardiovascular diseases. Epidemiological evidence is that low serum albumin levels are linked to incident ischemic heart disease, heart failure, atrial fibrillation, stroke and venous thromboembolism, independent of risk factors, body mass index and inflammation. Hypoalbuminemia has also emerged as an independent prognosticator in many cardiovascular diseases, such as coronary artery disease, heart failure, congenital heart disease, infective endocarditis and stroke, even after adjusting for usual causal factors and prognostic markers...
April 18, 2018: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29679191/myocardial-flow-reserve-derived-by-dynamic-perfusion-single-photon-emission-computed-tomography-reflects-the-severity-of-coronary-atherosclerosis
#8
Nobuo Iguchi, Yuko Utanohara, Yasuhiro Suzuki, Makoto Suzuki, Kenichi Hagiya, Ryosuke Higuchi, Itaru Takamisawa, Tetsuya Tobaru, Tetsuya Sumiyoshi, Mitsuaki Isobe
A novel single-photon emission computed tomography (SPECT) camera was developed to evaluate dynamic myocardial perfusion flow. However, it is unclear whether myocardial flow reserve (MFR) derived by dynamic perfusion SPECT using the novel SPECT camera (D-SPECT) reflects the severity of coronary atherosclerosis. In the present study, we therefore examined the relationship between MFR using D-SPECT and severity of coronary lesions. The study population comprised 40 patients who underwent both a myocardial dynamic perfusion SPECT study and invasive coronary angiography...
April 20, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29677463/a-role-for-collagen-iv-in-cardiovascular-disease
#9
Lasse Bach Steffensen, Lars M Rasmussen
Over the past decade, studies have repeatedly found single nucleotide polymorphisms located in the COL4A1 and COL4A2 genes to be associated with cardiovascular disease (CVD), and the 13q34 locus harboring these genes is one of approximately 160 genome-wide significant risk loci for coronary artery disease. COL4A1 and COL4A2 encode the ⍺1- and ⍺2-chains of collagen IV, a major component of basement membranes in various tissues including arteries. In spite of the growing body of evidence indicating a role for collagen IV in CVD, remarkably few studies aim at directly investigating such a role...
April 20, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29672788/neutrophil-extracellular-traps-participate-in-all-different-types-of-thrombotic-and-haemorrhagic-complications-of-coronary-atherosclerosis
#10
Kartika R Pertiwi, Allard C van der Wal, Dara R Pabittei, Claire Mackaaij, Marinus B van Leeuwen, Xiaofei Li, Onno J de Boer
Acute coronary syndromes can be initiated by either atherosclerotic fibrous cap ruptures, superficial plaque erosions or intraplaque haemorrhages (IPHs). Since neutrophil extracellular traps (NETs) display pro-inflammatory and pro-thrombotic properties, we investigated the presence, extent and distribution of neutrophils and NETs in different types of plaque complications in relation to the age of overlying thrombus mass or haemorrhage. Sixty-four paraffin-embedded coronary plaque segments of 30 acute myocardial infarction patients were retrieved from the autopsy archives, which contained 44 complicated plaques (17 IPHs, 9 erosions and 18 ruptures) and 20 intact plaques...
April 19, 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29670468/analysis-of-drug-effects-on-primary-human-coronary-artery-endothelial-cells-activated-by-serum-amyloid-a
#11
K Lakota, D Hrušovar, M Ogrič, K Mrak-Poljšak, S Čučnik, M Tomšič, B Božič, P Žigon, S Sodin-Semrl
Background: RA patients have a higher incidence of cardiovascular diseases compared to the general population. Serum amyloid A (SAA) is an acute-phase protein, upregulated in sera of RA patients. Aim: To determine the effects of medications on SAA-stimulated human coronary artery endothelial cells (HCAEC). Methods: HCAEC were preincubated for 2 h with medications from sterile ampules (dexamethasone, methotrexate, certolizumab pegol, and etanercept), dissolved in medium (captopril) or DMSO (etoricoxib, rosiglitazone, meloxicam, fluvastatin, and diclofenac)...
2018: Mediators of Inflammation
https://www.readbyqxmd.com/read/29670225/il-13-may-be-involved-in-the-development-of-cad-via-different-mechanisms-under-different-conditions-in-a-chinese-han-population
#12
Ling-Feng Zha, Shao-Fang Nie, Qian-Wen Chen, Yu-Hua Liao, Hong-Song Zhang, Jiang-Tao Dong, Tian Xie, Fan Wang, Ting-Ting Tang, Ni Xia, Cheng-Qi Xu, Ying-Chao Zhou, Zhi-Peng Zeng, Jiao Jiao, Peng-Yun Wang, Qing K Wang, Xin Tu, Xiang Cheng
Interleukin-13 (IL-13) has important functions in atherosclerosis, but its role in coronary artery disease (CAD) is unclear. Here, we studied the genetic role of IL-13 in CAD in a Chinese Han population using tag SNPs covering the whole IL13 gene (i.e., rs1881457, rs2069744 and rs20541) and a two-stage cohort containing 1863 CAD cases and 1841 controls. Traditional risk factors for CAD, such as age, BMI, and other factors, were used as covariates in logistic regression analysis. In the total population, we found that two haplotypes of IL13 (ATG and ATA, ordered rs1881457C -rs2069744T -rs20541A ) significantly contributed to the risk of CAD with adjusted p values less than 0...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29669944/neutrophil-subsets-and-their-gene-signature-associate-with-vascular-inflammation-and-coronary-atherosclerosis-in-lupus
#13
Philip M Carlucci, Monica M Purmalek, Amit K Dey, Yenealem Temesgen-Oyelakin, Simantini Sakhardande, Aditya A Joshi, Joseph B Lerman, Alice Fike, Michael Davis, Jonathan H Chung, Martin P Playford, Mohammad Naqi, Pragnesh Mistry, Gustavo Gutierrez-Cruz, Stefania Dell'Orso, Faiza Naz, Taufiq Salahuddin, Balaji Natarajan, Zerai Manna, Wanxia L Tsai, Sarthak Gupta, Peter Grayson, Heather Teague, Marcus Y Chen, Hong-Wei Sun, Sarfaraz Hasni, Nehal N Mehta, Mariana J Kaplan
BACKGROUND: Systemic lupus erythematosus (SLE) is associated with enhanced risk of atherosclerotic cardiovascular disease not explained by Framingham risk score (FRS). Immune dysregulation associated to a distinct subset of lupus proinflammatory neutrophils (low density granulocytes; LDGs) may play key roles in conferring enhanced CV risk. This study assessed if lupus LDGs are associated with in vivo vascular dysfunction and inflammation and coronary plaque. METHODS: SLE subjects and healthy controls underwent multimodal phenotyping of vascular disease by quantifying vascular inflammation (18F-fluorodeoxyglucose-PET/CT [18F-FDG-PET/CT]), arterial dysfunction (EndoPAT and cardio-ankle vascular index), and coronary plaque burden (coronary CT angiography)...
April 19, 2018: JCI Insight
https://www.readbyqxmd.com/read/29667032/contrast-opacification-difference-of-mural-artery-and-the-transluminal-attenuation-gradient-on-coronary-computed-tomography-angiography-for-detection-of-systolic-compression-of-myocardial-bridge
#14
Yuanliang Xie, Xiang Wang, Wei Xie, Faxiang Chen, Shubo Gao, Yikai Xu
PURPOSE: Myocardial bridges (MB) have traditionally been considered a benign condition, but recent studies have demonstrated that the clinical complications can be dangerous. The transluminal attenuation gradient (TAG) obtained from coronary computed tomography angiography (CCTA) data (Retrospective ECG-triggered method) has been used in detecting significant stenosis in coronary artery caused by atherosclerosis. Contrast opacification difference (COD) was the parameters calculated as the change between attenuation of mural artery and the median attenuation of presumptive vessel segment; it was evaluated along with TAGstandardized (TAGs) and MB length for predicting MB with systolic compression (MB-SC) in patients diagnosed as MB in left anterior descending coronary artery (LAD) by CCTA or invasive coronary angiograph (ICA)...
April 17, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29664811/assessment-of-endothelium-independent-vasodilation-from-methodology-to-clinical-perspectives
#15
Tatsuya Maruhashi, Yasuki Kihara, Yukihito Higashi
: Vascular response to exogenously administered nitroglycerine, an index of endothelium-independent vasodilation, has been used as a control test for the assessment of endothelium-dependent vasodilation (endothelial function) in humans. However, evidence has been accumulating that not only endothelium-dependent vasodilation but also endothelium-independent vasodilation per se is impaired in individuals with cardiovascular risk factors and cardiovascular disease. Impaired endothelium-independent vasodilation is associated with structural vascular alterations and alterations in vascular smooth muscle cells...
April 16, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29663586/adiposity-body-composition-and-ventricular-arterial-stiffness-in-the-elderly-the-atherosclerosis-risk-in-communities-study
#16
Miguel M Fernandes-Silva, Amil M Shah, Brian Claggett, Susan Cheng, Hirofumi Tanaka, Odilson M Silvestre, Wilson Nadruz, Barry A Borlaug, Scott D Solomon
AIM: Weight gain appears to accelerate age-related ventricular-arterial stiffening, which has been implicated in the development of heart failure (HF), but it is unclear whether body fat accumulation underpins this association. We evaluated the relationship of adiposity, using measures of body composition, with ventricular-arterial stiffness among the elderly in the community. METHODS AND RESULTS: Adiposity was accessed through body mass index (BMI), waist circumference, and body fat percentage...
April 16, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29661343/reduced-forced-expiratory-volume-in-1-second-percentage-predicted-is-associated-with-diffuse-coronary-atherosclerosis-in-hospitalized-patients-undergoing-coronary-angiography
#17
Ying Liang, Meng Wang, Xinye Xu, Nan Li, Qingtao Zhou, Bei He
BACKGROUND: Reduced forced expiratory volume in 1 second percentage (FEV1%) predicted is closely related to cardiovascular mortality. However, evidence regarding the correlation between FEV1% predicted and the severity of coronary atherosclerosis observed on coronary angiography is still limited. We aimed to explore whether a decline in FEV1% predicted was associated with diffuse coronary atherosclerosis in hospitalized patients. METHODS: A cross-sectional study enrolling hospitalized patients with cardiovascular symptoms undergoing both coronary angiography and lung function testing was conducted...
April 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29661341/coronary-atherosclerosis-what-do-the-lungs-have-to-do-with-it
#18
EDITORIAL
Rugheed Ghadban, Kul Aggarwal
No abstract text is available yet for this article.
April 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29659954/the-ossabaw-pig-is-a-suitable-translational-model-to-evaluate-dietary-patterns-and-coronary-artery-disease-risk
#19
Nirupa R Matthan, Gloria Solano-Aguilar, Huicui Meng, Stefania Lamon-Fava, Audrey Goldbaum, Maura E Walker, Saebyeol Jang, Sukla Lakshman, Aleksey Molokin, Yue Xie, Ethiopia Beshah, James Stanley, Joseph F Urban, Alice H Lichtenstein
Background: Animal models that mimic diet-induced human pathogenesis of chronic diseases are of increasing importance in preclinical studies. The Ossabaw pig is an established model for obesity-related metabolic disorders when fed extreme diets in caloric excess. Objective: To increase the translational nature of this model, we evaluated the effect of diets resembling 2 human dietary patterns, the Western diet (WD) and the Heart Healthy Diet (HHD), without or with atorvastatin (-S or +S) therapy, on cardiometabolic risk factors and atherosclerosis development...
April 1, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29659887/homeostasis-model-assessment-of-insulin-resistance-and-survival-in-patients-with-diabetes-and-acute-coronary-syndrome
#20
Barbara E Stähli, Anna Nozza, Ilse C Schrieks, John B Buse, Klas Malmberg, Linda Mellbin, Bruce Neal, Stephen J Nicholls, Lars Rydén, Anders Svensson, Hans Wedel, Arlette Weichert, A Michael Lincoff, Diederick E Grobbee, Jean-Claude Tardif, Gregory G Schwartz
Purpose: Insulin resistance has been linked to development and progression of atherosclerosis and is present in most patients with type 2 diabetes (T2D). Whether the degree of insulin resistance predicts adverse outcomes in patients with T2D and acute coronary syndrome (ACS) is uncertain. Methods: The AleCardio trial compared the peroxisome proliferator-activated receptor-α/γ agonist aleglitazar with placebo in patients with T2D and recent ACS. In participants not treated with insulin, we determined whether baseline homeostasis model assessment of insulin resistance (HOMA-IR, n=4303) or the change in HOMA-IR on assigned study treatment (n=3568) was related to the risk of death or major adverse cardiovascular events (MACE: cardiovascular death, myocardial infarction, and stroke) in unadjusted and adjusted models...
April 6, 2018: Journal of Clinical Endocrinology and Metabolism
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