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Current Cardiology Reviews

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https://www.readbyqxmd.com/read/28782494/the-role-of-proprotein-convertase-subtilisin-kexin-type-9-pcsk9-in-cardiovascular-homeostasis-a-non-systematic-literature-review
#1
Ahmad Hachem, Essa Hariri, Perla Saoud, Christelle Lteif, Louis Lteif, Francine Welty
Proprotein convertase subtilisin/kexin type 9 (PCSK9) has been gaining major attention recently after the emergence of data showing the promising role of these proteins in lipid homeostasis and atherosclerosis process, glucose and blood pressure regulation. PubMed, EMBASE, Scholar and Scopus databases were searched to identify randomized controlled trials, observational studies, in-vitro trials and reviews about the role of PCSK9 in cardiovascular homeostasis. PCSK9 was found to have major impact on lipid homeostasis and inflammatory process through regulation of low-density lipoprotein receptors...
August 4, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28782493/big-data-and-genome-editing-technology-a-new-paradigm-of-cardiovascular-genomics
#2
Chayakrit Krittanawong, Tao Sun, Eyal Herzog
Cardiovascular diseases (CVDs) encompasse a range of conditions extending from congenital heart disease to acute coronary syndrome most of which are heterogenous in nature and some of them are multiple genetic loci. However, the pathogenesis of most CVDs remains incompletely understood. The advance in genome-editing technologies, an engineering process of DNA sequences at precise genomic locations, has enabled a new paradigm that human genome can be precisely modified to achieve a therapeutic effect. Genome-editing includes the correction of genetic variants that cause disease, the addition of therapeutic genes to specific sites in the genomic locations, and the removal of deleterious genes or genome sequences...
August 4, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28782492/impact-of-pre-existing-kidney-dysfuntion-on-outcomes-following-transcatheter-aortic-valve-replacement
#3
Ikechukwu A Ifedili, Oluwaseyi Bolorunduro, Tamunoinemi Bob-Manuel, Mark R Heckle, Ellis Christian, Saibal Kar, Uzoma N Ibebuogu
BACKGROUND: Pre-existing chronic kidney disease (CKD) portends adverse outcomes following heart valve surgery. However, only limited and conflicting evidence is available on the impact of CKD on outcomes following transcatheter aortic valve replacement (TAVR). The objective of this review was to evaluate the effect of pre-existing CKD on TAVR outcomes. METHODS: We performed a systematic electronic search using the PRISMA statement to identify all randomized controlled trials and observational studies investigating the effect of pre-existing CKD on outcomes following TAVR...
August 4, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28782491/the-impact-of-cardiovascular-diseases-on-the-cardiovascular-regulation-during-exercise-in-humans-studies-on-the-metaboreflex-elicited-by-the-post-exercise-muscle-ischemia-method
#4
Antonio Crisafulli
Hemodynamics during dynamic exercise is finely regulated by some neural mechanisms. One of these mechanisms is the metabolic part of the exercise pressor reflex, i.e. the muscle metaboreflex. Hemodynamic response during the metaboreflex is characterised by the recruitment of the reserves in cardiac inotropism, pre-load, after-load and chronotropism. If one of these reserves is exhausted, then the cardiovascular response is achieved by recruiting one of the other reserves, thereby indicating a remarkable plasticity of the control of circulation...
August 4, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28707575/bayes-syndrome-and-imaging-techniques
#5
Ivan Hernandez Betancor, Maria Manuela Izquierdo-Gomez, Javier Garcia Niebla, Ignacio Laynez-Cerdeña, Martin Jesus Garcia-Gonzalez, Antonio Barragan-Acea, Jose Luis Iribarren-Sarriá, Juan Jose Jimenez-Rivera, Juan Lacalzada-Almeida
Interatrial block (IAB) is due to disruption in the Bachmann region (BR). According to whether interatrial electrical conduction is delayed or completely blocked through the BR, it can be classified as IAB of first, second or third degree. On the surface electrocardiogram, a P wave ≥ 120 ms (partial IAB) is observed or associated to the prolongation of the P wave with a biphasic (positive / negative) morphology in the inferior leads (advanced IAB). Bayes syndrome is defined as an advanced IAB associated with atrial arrhythmia, more specifically atrial fibrillation...
July 13, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28699488/a-review-of-interventions-to-improve-enrolment-and-attendance-to-cardiac-rehabilitation-among-patients-aged-65-years-or-above
#6
Bashir M Matata, Sean Andrew Williamson
Purpose This review provides an overview and quality assessment of existing interventions, assessing the intervention types that are most effective at increasing enrolment and adherence to cardiac rehabilitation in older patients aged ≥65 years Methods The review of the literature was performed using electronic databases that searched for randomised controlled trials that aimed to increase enrolment and/or adherence to cardiac rehabilitation in older patients aged ≥65 years. The main key words were cardiac rehabilitation, enrolment, adherence and older patients...
July 9, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28545351/assessing-coronary-blood-flow-physiology-in-the-cardiac-catheterisation-laboratory
#7
Sethumadhavan Vijayan, David S Barmby, Ian R Pearson, Andrew G Davies, Stephen B Wheatcroft, Mohan Sivananthan
Contemporary management of coronary disease focuses on the treatment of stenoses in the major epicardial vessels. However, myocardial blood flow is known to be contingent on a range of factors in addition to the patency of the epicardial vessels. These include anatomical and physiological factors such as the extent of myocardium supplied by the vessel, systemic blood pressure, the natural variation in vascular tone in response to physiological needs which allows for coronary autoregulation and pathological factors such as the presence of downstream obstruction to flow due to disease of the small coronary vessels or myocardium...
May 24, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28494714/is-the-hepatic-factor-a-mirna-that-maintains-the-integrity-of-pulmonary-microvasculature-by-inhibiting-the-vascular-endothelial-growth-factor
#8
Joseph John Vettukattil
The "hepatic factor," a molecule or group of molecules present in the hepatic venous blood, essential for the prevention of the development of pulmonary arteriovenous malformations (PAVMs) and right-to-left shunting has been a conceptual enigma in the understanding of many related conditions. Patients with various forms of liver diseases including acute hepatic failure, and others with normal hepatic function like hereditary hemorrhagic telangiectasia (HHT), inflammatory and parasitic disorders, cardiogenic hepatopulmonary syndrome (cHPS) and skin disorders like Dyskeratosis congenita are all known to cause PAVMs...
May 9, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28464769/adult-stem-cell-therapy-for-cardiac-repair-in-patients-after-acute-myocardial-infarction-leading-to-ischemic-heart-failure-an-overview-of-evidence-from-the-recent-clinical-trials
#9
Katarzyna Rygiel
Cardiovascular diseases (CVD) still represent the leading cause of mortality worldwide, despite the remarkable advances in interventional cardiology, cardiac surgery, and modern pharmacotherapy, particularly in the setting of acute myocardial infarction (AMI), chronic ischemic heart failure (HF), cardiomyopathy (CM), and the associated left ventricular (LV) dysfunction. A significant loss of cardiomyocytes that underlies all of these conditions was previously considered irreversible. However, current evidence indicates that the human heart has some potential for repair, and over the past decade, many research studies have been exploring the use of stem cells (SCs) to facilitate restoration of myocardium...
May 1, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28462692/the-anti-inflammatory-effects-of-statins-on-coronary-artery-disease-an-updated-review-of-the-literature
#10
Evangelos Diamantis, George Kyriakos, Lourdes Victoria Quiles-Sanchez, Paraskevi Farmaki, Theodoros Troupis
Statins have long been used for the protection against coronary artery disease (CAD). Their beneficial effect apart from cholesterol reduction lies in their pleiotropic properties. Emerging evidence from laboratory studies and clinical trials as well have pointed out the pivotal role of inflammation on the intiation and exacerbation of atherosclerosis; a major cause of CAD. Inflammation markers such as high sensitivity C-reactive protein and adhesion molecules are showed to be increased in CAD patients and are used as prognostic tools...
April 25, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28317490/speculative-considerations-about-some-cardiology-enigmas
#11
Paulo Roberto Barbosa Evora, Andre Schmidt, Livia Arcêncio, José Antonio Marin-Neto
Write a review text or point-of-view that takes into account the interests, if not of all, but of most readers of a scientific journal is an arduous task. The editorial can be grounded in published articles, even in a single article of undeniable importance and, it can also represent a trend of specialty. Therefore, especially for the sake of the reader's motivation, the present text was freely designed to discuss some cardiology enigmas in the context of the heart valve and coronary artery disease (CAD). Concerning the CAD five well-known enigmas will be considered: 1) The absence of arteriosclerosis in intramyocardial coronary arteries; 2) The unique and always confirmed superior evolution of the left internal thoracic artery as a coronary graft; 3) The prophylactic left internal thoracic artery graft in mildly-stenosed coronary lesions, and; 4) The high incidence of perioperative atrial fibrillation (AF) in patients with CAD, and; 5) The handling of disease-free saphenous vein graft at the time of reoperation...
March 17, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28093988/adherence-to-secondary-prophylaxis-for-acute-rheumatic-fever-and-rheumatic-heart-disease-a-systematic-review
#12
Priya Minaxi Kevat, Benjamin M Reeves, Alan R Ruben, Ronny Gunnarsson
BACKGROUND: Optimal delivery of regular benzathine penicillin G (BPG) injections prescribed as secondary prophylaxis for acute rheumatic fever (ARF) and rheumatic heart disease (RHD) is vital to preventing disease morbidity and cardiac sequelae in affected pediatric and young adult populations. However, poor uptake of secondary prophylaxis remains a significant challenge to ARF/RHD control programs. OBJECTIVE: In order to facilitate better understanding of this challenge and thereby identify means to improve service delivery, this systematic literature review explored rates of adherence and factors associated with adherence to secondary prophylaxis for ARF and RHD worldwide...
January 16, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28215178/oxidative-stress-and-cardiovascular-aging-interaction-between-nrf-2-and-adma
#13
Nandini Nair, Enrique Gongora
BACKGROUND: The concept of antioxidant therapies assumes high importance as oxidative stress is associated with cardiovascular aging via endothelial dysfunction. This review focuses on exploring the interaction between nrf-2 and ADMA in influencing the nitric oxide pathway and cardiovascular function. OBJECTIVE: A systematic review of literature from 1990 to 2016 was conducted using Pubmed and Google Scholar. The literature suggests a strong influence of nrf-2 activation on up regulation of DDAH I which degrades ADMA, the endogenous inhibitor of nitric oxide synthase...
2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28190386/high-density-lipoprotein-and-low-density-lipoprotein-therapeutic-approaches-in-acute-coronary-syndromes
#14
Emmanuel Androulakis, Effimia Zacharia, Nikolaos Papageorgiou, Eirini Lioudaki, Dimitris Bertsias, Marietta Charakida, Gerasimos Siasos, Dimitris Tousoulis
BACKGROUND: Low-density lipoprotein cholesterol (LDL), and especially its oxidized form, renders the atherosclerotic plaque vulnerable to rupture in acute coronary syndromes (ACS). On the other hand, high-density lipoprotein (HDL) is considered an anti-atherogenic molecule. The more recent HDL-targeted drugs may prove to be superior to those used before. Indeed, delipidated HDL and HDL mimetics are efficient in increasing HDL levels, while the apoA-I upregulation with RVX-208 appears to offer a clinical benefit which is beyond the HDL related effects...
2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28124593/the-short-and-long-term-efficacy-of-pulmonary-vein-isolation-as-a-sole-treatment-strategy-for-paroxysmal-atrial-fibrillation-a-systematic-review-and-meta-analysis
#15
Zsuzsanna Kis, Taulant Muka, Oscar H Franco, Wichor M Bramer, Lennart J De Vries, Attila Kardos, Tamas Szili-Torok
BACKGROUND: Pulmonary vein isolation (PVI) is an accepted treatment strategy for catheter ablation (CA) of paroxysmal atrial fibrillation (PAF). In this study, we aimed to assess the short, mid- and long-term outcome of PVI as a sole treatment strategy for PAF. METHODS: Six bibliographic electronic databases were searched to identify all published relevant studies until December 14, 2015. Search of the scientific literature was performed for studies describing outcomes with mean follow-up > 24 months after PAF ablation...
2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28093989/preface
#16
Jian An Wang
No abstract text is available yet for this article.
2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28093987/the-prognostic-value-of-heart-type-fatty-acid-binding-protein-in-patients-with-suspected-acute-coronary-syndrome-a-systematic-review
#17
Julia D Jones, Pei G Chew, Rebecca Dobson, Andrew Wootton, Reza Ashrafi, Aleem Khand
BACKGROUND: Heart type fatty acid protein (HFABP) is a cytosolic protein released early after acute coronary syndrome (ACS) even in the absence of myocardial necrosis. OBJECTIVES: The purpose of this systematic review was to determine whether HFABP levels in patients with suspected, or confirmed ACS, improve risk stratification when added to established means of risk assessment. METHODS: We searched Medline, Pubmed and Embase databases from inception to July 2015 to identify prospective studies with suspected or confirmed ACS, who had HFABP measured during the index admission with at least 1 month follow up data...
2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/27633073/considerations-in-understanding-the-coronary-blood-flow-left-ventricular-mass-relationship-in-patients-with-hypertension
#18
REVIEW
Simon W Rabkin
BACKGROUND: Coronary blood flow (CBF) is essential for optimal cardiac performance and to maintain myocardial viability. There is considerable ambiguity concerning CBF in hypertension. OBJECTIVE: To investigate the relationship between CBF and left ventricular (LV) mass in persons with hypertension. METHODS: OvidSP Medline was systematically searched. Eligible articles assessed CBF, and LV mass in adults with and without hypertension (HTN)...
2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/27492229/imaging-subclinical-atherosclerosis-where-do-we-stand
#19
REVIEW
Nikolaos Papageorgiou, Alexandros Briasoulis, Emmanuel Androulakis, Dimitris Tousoulis
The age of initiation and the rate of progression of atherosclerosis vary markedly among individuals and have been difficult to predict with traditional cardiovascular risk assessment models. Although these risk models provide good discrimination and calibration in certain populations, cardiovascular disease (CVD) risk may not be accurately estimated in low- and intermediate risk individuals. Therefore, imaging techniques such as Ankle-Brachial Index (ABI), Coronary Artery Calcium score (CAC), carotid Intima-Media Thickness (cIMT), flow mediated dilation (FMD) and Positron Emission Tomography (PET) have been developed and used to reclassify these individuals...
2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/27492228/helminth-infections-and-cardiovascular-diseases-toxocara-species-is-contributing-to-the-disease
#20
REVIEW
Mohammad Zibaei
Toxocariasis is the clinical term used to describe human infection with either the dog ascarid Toxocara canis or the feline ascarid Toxocara cati. As with other helminths zoonoses, the infective larvae of these Toxocara species cannot mature into adults in the human host. Instead, the worms wander through organs and tissues, mainly the liver, lungs, myocardium, kidney and central nervous system, in a vain attempt to find that, which they need to mature into adults. The migration of these immature nematode larvae causes local and systemic inflammation, resulting in the "larva migrans" syndrome...
2017: Current Cardiology Reviews
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