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Frontiers in Cardiovascular Medicine

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https://www.readbyqxmd.com/read/28649568/a-prothrombotic-score-based-on-genetic-polymorphisms-of-the-hemostatic-system-differs-in-patients-with-ischemic-stroke-myocardial-infarction-or-peripheral-arterial-occlusive-disease
#1
Juliane Herm, Berthold Hoppe, Bob Siegerink, Christian H Nolte, Jürgen Koscielny, Karl Georg Haeusler
BACKGROUND: While twin studies indicate a genetic component in arterial thrombosis such as ischemic stroke, myocardial infarction (MI), or peripheral arterial occlusive disease (PAOD), the clinical relevance of hemostatic polymorphisms in arterial thrombosis is a matter of debate. METHODS: We analyzed the prevalence of 13 hemostatic polymorphisms [PAI-1, PLAT, F5 (including factor V Leiden and HR2 haplotype), F2, F7, F13A, FGB, TFPI, THBD, MTHFR, ACE, and ITGA2] in patients referred to a tertiary referral center...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28620608/a-path-to-implement-precision-child-health-cardiovascular-medicine
#2
REVIEW
Marlin Touma, Brian Reemtsen, Nancy Halnon, Juan Alejos, J Paul Finn, Stanley F Nelson, Yibin Wang
Congenital heart defects (CHDs) affect approximately 1% of live births and are a major source of childhood morbidity and mortality even in countries with advanced healthcare systems. Along with phenotypic heterogeneity, the underlying etiology of CHDs is multifactorial, involving genetic, epigenetic, and/or environmental contributors. Clear dissection of the underlying mechanism is a powerful step to establish individualized therapies. However, the majority of CHDs are yet to be clearly diagnosed for the underlying genetic and environmental factors, and even less with effective therapies...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28620607/metabolic-and-biochemical-stressors-in-diabetic-cardiomyopathy
#3
REVIEW
Vasundhara Kain, Ganesh V Halade
Diabetic cardiomyopathy (DCM) or diabetes-induced cardiac dysfunction is a direct consequence of uncontrolled metabolic syndrome and is widespread in US population and worldwide. Despite of the heterogeneous and distinct features of DCM, the clinical relevance of DCM is now becoming established. DCM progresses to pathological cardiac remodeling with the higher risk of heart attack and subsequent heart failure in diabetic patients. In this review, we emphasize lipid substrate quality and the phenotypic, metabolic, and biochemical stressors of DCM in the rodent and human pathophysiology...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28612009/cardiac-cell-senescence-and-redox-signaling
#4
REVIEW
Daniela Cesselli, Aneta Aleksova, Sandro Sponga, Celeste Cervellin, Carla Di Loreto, Gianluca Tell, Antonio Paolo Beltrami
Aging is characterized by a progressive loss of the ability of the organism to cope with stressors and to repair tissue damage. As a result, chronic diseases, including cardiovascular disease, increase their prevalence with aging, underlining the existence of common mechanisms that lead to frailty and age-related diseases. In this frame, the progressive decline of the homeostatic and reparative function of primitive cells has been hypothesized to play a major role in the evolution of cardiac pathology to heart failure...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28612008/hybrid-instantaneous-wave-free-ratio-fractional-flow-reserve-versus-fractional-flow-reserve-in-the-real-world
#5
Kara Shuttleworth, Kristina Smith, Jonathan Watt, Jamie A L Smith, Stephen J Leslie
BACKGROUND: The instantaneous wave-free ratio (iFR) is a novel method to assess the ischemic potential of coronary artery stenoses. Clinical trial data have shown that iFR has acceptable diagnostic agreement with fractional flow reserve (FFR), the reference standard for the functional assessment of coronary stenoses. This study compares iFR measurements with FFR measurements in a real world, single-center setting. METHODS AND RESULTS: Instantaneous wave-free ratio and FFR were measured in 50 coronary artery lesions in 42 patients, with FFR ≤ 0...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28596958/circulating-cellular-adhesion-molecules-and-cognitive-function-the-coronary-artery-risk-development-in-young-adults-study
#6
Cynthia Yursun Yoon, Lyn M Steffen, Myron D Gross, Lenore J Launer, Andrew Odegaard, Alexander Reiner, Otto Sanchez, Kristine Yaffe, Stephen Sidney, David R Jacobs
OBJECTIVE: Higher circulating concentrations of cellular adhesion molecules (CAMs) can be used as markers of endothelial dysfunction. Given that the brain is highly vascularized, we assessed whether endothelial function is associated with cognitive performance. METHOD: Within the Coronary Artery Risk Development in Young Adults (CARDIA) Study, excluding N = 54 with stroke before year 25, we studied CAMs among N = 2,690 black and white men and women in CARDIA year 7 (1992-1993, ages 25-37) and N = 2,848 in CARDIA year 15 (2000-2001, ages 33-45)...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28596957/heterogeneous-vascular-bed-responses-to-pulmonary-titanium-dioxide-nanoparticle-exposure
#7
Alaeddin B Abukabda, Phoebe A Stapleton, Carroll R McBride, Jinghai Yi, Timothy R Nurkiewicz
A growing body of research links engineered nanomaterial (ENM) exposure to adverse cardiovascular endpoints. The purpose of this study was to evaluate the impact of ENM exposure on vascular reactivity in discrete segments so that we may determine the most sensitive levels of the vasculature where these negative cardiovascular effects are manifest. We hypothesized that acute nano-TiO2 exposure differentially affects reactivity with a more robust impairment in the microcirculation. Sprague-Dawley rats (8-10 weeks) were exposed to nano-TiO2via intratracheal instillation (20, 100, or 200 µg suspended per 250 µL of vehicle) 24 h prior to vascular assessments...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28589128/low-density-lipoprotein-receptor-related-protein-1-signaling-in-angiogenesis
#8
REVIEW
Hua Mao, Liang Xie, Xinchun Pi
Low-density lipoprotein receptor-related protein-1 (LRP1) plays multifunctional roles in lipid homeostasis, signaling transduction, and endocytosis. It has been recognized as an endocytic receptor for many ligands and is involved in the signaling pathways of many growth factors or cytokines. Dysregulation of LRP1-dependent signaling events contributes to the development of pathophysiologic processes such as Alzheimer's disease, atherosclerosis, inflammation, and coagulation. Interestingly, recent studies have linked LRP1 with endothelial function and angiogenesis, which has been underappreciated for a long time...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28589127/function-and-therapeutic-potential-of-mesenchymal-stem-cells-in-atherosclerosis
#9
REVIEW
Feifei Li, Xia Guo, Shi-You Chen
Atherosclerosis is a complicated disorder and largely attributable to dyslipidaemia and chronic inflammation. Despite therapeutic advances over past decades, atherosclerosis remains the leading cause of mortality worldwide. Due to their capability of immunomodulation and tissue regeneration, mesenchymal stem cells (MSCs) have evolved as an attractive therapeutic agent in various diseases including atherosclerosis. Accumulating evidences support the protective role of MSCs in all stages of atherosclerosis. In this review, we highlight the current understanding of MSCs including their characteristics such as molecular markers, tissue distribution, migratory property, immune-modulatory competence, etc...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28589126/myocardial-architecture-mechanics-and-fibrosis-in-congenital-heart-disease
#10
REVIEW
Sarah Ghonim, Inga Voges, Peter D Gatehouse, Jennifer Keegan, Michael A Gatzoulis, Philip J Kilner, Sonya V Babu-Narayan
Congenital heart disease (CHD) is the most common category of birth defect, affecting 1% of the population and requiring cardiovascular surgery in the first months of life in many patients. Due to advances in congenital cardiovascular surgery and patient management, most children with CHD now survive into adulthood. However, residual and postoperative defects are common resulting in abnormal hemodynamics, which may interact further with scar formation related to surgical procedures. Cardiovascular magnetic resonance (CMR) has become an important diagnostic imaging modality in the long-term management of CHD patients...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28555188/educational-health-disparities-in-cardiovascular-disease-risk-factors-findings-from-jamaica-health-and-lifestyle-survey-2007-2008
#11
Trevor S Ferguson, Novie O M Younger-Coleman, Marshall K Tulloch-Reid, Ian R Hambleton, Damian K Francis, Nadia R Bennett, Shelly R McFarlane, Aurelian Bidulescu, Marlene Y MacLeish, Anselm J M Hennis, Rainford J Wilks, E Nigel Harris, Louis W Sullivan
OBJECTIVES: Socioeconomic disparities in health have emerged as an important area in public health, but studies from Afro-Caribbean populations are uncommon. In this study, we report on educational health disparities in cardiovascular disease (CVD) risk factors (hypertension, diabetes mellitus, hypercholesterolemia, and obesity), among Jamaican adults. METHODS: We analyzed data from the Jamaica Health and Lifestyle Survey 2007-2008. Trained research staff administered questionnaires and obtained measurements of blood pressure, anthropometrics, glucose and cholesterol...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28553639/role-of-endoplasmic-reticulum-stress-autophagy-and-inflammation-in-cardiovascular-disease
#12
REVIEW
Cheng Zhang, Taha Wasim Syed, Renjing Liu, Jun Yu
Cardiovascular diseases are a class of heart or blood vessels diseases, which are now considered to be the leading cause of death globally. A number of recent studies have reported key roles for inflammation in the progression of diseased vessels and systematic heart failure. In particular, endoplasmic reticulum (ER) stress, which is mechanistically implicated in inflammation and autophagy, has now been associated with pathophysiological states in the cardiovascular system. Autophagy has also been identified as an important process in the progression of multiple cardiovascular diseases such as in atherosclerosis plaque progression and ischemia and/or reperfusion...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28529941/humans-and-mice-display-opposing-patterns-of-browning-gene-expression-in-visceral-and-subcutaneous-white-adipose-tissue-depots
#13
Maria A Zuriaga, Jose J Fuster, Noyan Gokce, Kenneth Walsh
Visceral adiposity is much more strongly associated with cardiometabolic disease in humans than subcutaneous adiposity. Browning, the appearance of brown-like adipocytes in the white adipose tissue (WAT), has been shown to protect mice against metabolic dysfunction, suggesting the possibility of new therapeutic approaches to treat obesity and type 2 diabetes. In mice, subcutaneous WAT depots express higher levels of browning genes when compared with visceral WAT, further suggesting that differences in WAT browning could contribute to the differences in the pathogenicity of the two depots...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28529940/coronary-artery-aneurysms-a-review-of-the-epidemiology-pathophysiology-diagnosis-and-treatment
#14
REVIEW
Sara Abou Sherif, Ozge Ozden Tok, Özgür Taşköylü, Omer Goktekin, Ismail Dogu Kilic
Coronary artery aneurysms (CAAs) are uncommon and describe a localized dilatation of a coronary artery segment more than 1.5-fold compared with adjacent normal segments. The incidence of CAAs varies from 0.3 to 5.3%. Ever since the dawn of the interventional era, CAAs have been increasingly diagnosed on coronary angiography. Causative factors include atherosclerosis, Takayasu arteritis, congenital disorders, Kawasaki disease (KD), and percutaneous coronary intervention. The natural history of CAAs remains unclear; however, several recent studies have postulated the underlying molecular mechanisms of CAAs, and genome-wide association studies have revealed several genetic predispositions to CAA...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28507990/development-of-an-online-evidence-based-patient-information-portal-for-congenital-heart-disease-a-pilot-study
#15
Jonathan R G Etnel, Arie P J van Dijk, Jolanda Kluin, Robin A Bertels, Elisabeth M W J Utens, Eugene van Galen, Ad J J C Bogers, Johanna J M Takkenberg
OBJECTIVES: In response to an increased need for patient information on congenital heart disease in the Netherlands, we initiated a nationwide initiative to develop an online, evidence-based patient information portal, starting with a pilot project aimed at the subgroup of patients with congenital aortic and pulmonary valve disease. METHODS AND RESULTS: We developed an information portal that aims to (1) improve patient knowledge and involvement and to subsequently reduce anxiety and decisional conflict and improve mental quality of life and (2) to support physicians in informing and communicating with their patients...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28503552/impact-of-isolated-tricuspid-valve-repair-on-right-ventricular-remodelling-in-an-adult-congenital-heart-disease-population
#16
Roberto Marsico, Vito Domenico Bruno, Pierpaolo Chivasso, Anna Baritussio, Filippo Rapetto, Gustavo A Guida, Umberto Benedetto, Massimo Caputo
BACKGROUND: Surgical repair of isolated congenital tricuspid valve (TV) disease is rare with no well-defined indication and outcomes. Moreover, the role of right ventricle (RV) in this context has not yet been investigated. OBJECTIVES: We sought to assess the impact of congenital TV repair on cardiac remodelling and clinical-functional status and the importance of the RV function in an adult congenital heart disease (ACHD) population. METHODS AND RESULTS: From January 2005 to December 2015, 304 patients underwent TV surgery in our centre...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28497038/epigenetics-and-vascular-diseases-influence-of-non-coding-rnas-and-their-clinical-implications
#17
REVIEW
Leonardo Elia, Manuela Quintavalle
Epigenetics refers to heritable mechanisms able to modulate gene expression that do not involve alteration of the genomic DNA sequence. Classically, mechanisms such as DNA methylation and histone modifications were part of this classification. Today, this field of study has been expanded and includes also the large class of non-coding RNAs (ncRNAs). Indeed, with the extraordinary possibilities introduced by the next-generation sequencing approaches, our knowledge of the mammalian transcriptome has greatly improved...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28484701/dual-specificity-phosphatase-4-overexpression-in-cells-prevents-hypoxia-reoxygenation-induced-apoptosis-via-the-upregulation-of-enos
#18
Julie A Dougherty, Joanna Kilbane Myers, Mahmood Khan, Mark G Angelos, Chun-An Chen
Mitogen-activated protein kinases (MAPKs) signaling cascades regulate several cellular functions, including differentiation, proliferation, survival, and apoptosis. The duration and magnitude of phosphorylation of these MAPKs are decisive determinants of their physiological functions. Dual-specificity phosphatases exert kinetic control over these signaling cascades. Previously, we demonstrated that DUSP4(-/-) hearts sustain a larger infarct and have poor functional recovery, when isolated hearts were subjected to ischemia/reperfusion...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28473975/increased-clot-formation-in-the-absence-of-increased-thrombin-generation-in-patients-with-peripheral-arterial-disease-a-case-control-study
#19
Marie-Claire F Kleinegris, Joke Konings, Jan W Daemen, Yvonne Henskens, Bas de Laat, Henri M H Spronk, Arina J Ten Cate-Hoek, Hugo Ten Cate
BACKGROUND: In peripheral arterial disease (PAD), activation of the hemostatic system may contribute to atherosclerosis progression and atherothrombotic events. OBJECTIVE: This case-control study assesses the overall coagulation status in PAD patients by evaluating coagulation markers in combination with thrombin generation potential, whole blood (WB) clot formation, and fibrinolysis. METHODS: In blood from 40 PAD patients (n = 20 with cardiovascular event within 1 year after initial diagnosis, n = 20 without) and 40 apparently healthy controls, thrombin generation was determined in WB and platelet-poor plasma...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28451588/lead-extraction-of-cardiac-rhythm-devices-a-report-of-a-single-center-experience
#20
Ana Isabel Azevedo, João Primo, Helena Gonçalves, Marco Oliveira, Luís Adão, Elisabeth Santos, José Ribeiro, Marlene Fonseca, Adelaide V Dias, Luís Vouga, Vasco Gama Ribeiro
INTRODUCTION AND OBJECTIVES: The rate of implanted cardiac electronic devices is increasing as is the need to manage long-term complications. Lead removal is becoming an effective approach to treat such complications. We present our experience in lead removal using different approaches, analyzing the predictors of the use of mechanical extractors/surgical removal. METHODS: Retrospective analysis of lead extractions in a series of 76 consecutive patients (mean age 70...
2017: Frontiers in Cardiovascular Medicine
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