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Cardiac biomarkers

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https://www.readbyqxmd.com/read/28214846/circulating-mir-30d-predicts-survival-in-patients-with-acute-heart-failure
#1
Junjie Xiao, Rongrong Gao, Yihua Bei, Qiulian Zhou, Yanli Zhou, Haifeng Zhang, Mengchao Jin, Siqi Wei, Kai Wang, Xuejuan Xu, Wenming Yao, Dongjie Xu, Fang Zhou, Jingfa Jiang, Xinli Li, Saumya Das
BACKGROUND/AIMS: Identification of novel biomarkers to identify acute heart failure (AHF) patients at high risk of mortality is an area of unmet clinical need. Recently, we reported that the baseline level of circulating miR-30d was associated with left ventricular remodeling in response to cardiac resynchronization therapy in advanced chronic heart failure patients. However, the role of circulating miR-30d as a prognostic marker of survival in patients with AHF has not been explored...
February 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214792/suppression-of-tumorigenicity-2-in-heart-failure-with-preserved-ejection-fraction
#2
Omar F AbouEzzeddine, Paul M McKie, Shannon M Dunlay, Susanna R Stevens, G Michael Felker, Barry A Borlaug, Horng H Chen, Russell P Tracy, Eugene Braunwald, Margaret M Redfield
BACKGROUND: Soluble suppression of tumorigenicity 2 (sST2) receptor is a biomarker that is elevated in certain systemic inflammatory diseases. Comorbidity-driven microvascular inflammation is postulated to play a key role in heart failure with preserved ejection fraction (HFpEF) pathophysiology, but data on how sST2 relates to clinical characteristics or inflammatory conditions or biomarkers in HFpEF are limited. We sought to determine circulating levels and clinical correlates of sST2 in HFpEF...
February 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28214773/the-usefulness-of-bone-biomarkers-for-monitoring-treatment-disease-a-comparative-study-in-osteolytic-and-osteosclerotic-bone-metastasis-models
#3
Marta Martín-Fernández, Karmele Valencia, Carolina Zandueta, Cristina Ormazábal, Susana Martínez-Canarias, Fernando Lecanda, Concepción de la Piedra
BACKGROUND: The skeleton is the most common site of colonization by metastatic cancers. Zoledronic acid (ZA) has been shown to be effective for the treatment of bone metastases regardless of whether the bone lesions are osteolytic or osteoblastic. Biochemical markers of bone turnover may be useful tools to quantify the degree of bone remodeling in the presence of bone metastases. The aim of this work was to establish the correlation between tumor dispersion (bioluminescence) and biochemical markers of bone turnover in two osteolytic and osteoblastic metastasis models in mice...
February 16, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28213932/correlations-between-electrocardiogram-and-biomarkers-in-acute-pulmonary-embolism-analysis-of-zatpol-2-registry
#4
Piotr Kukla, Dariusz A Kosior, Andrzej Tomaszewski, Katarzyna Ptaszyńska-Kopczyńska, Katarzyna Widejko, Robert Długopolski, Andrzej Skrzyński, Piotr Błaszczak, Kamil Fijorek, Marcin Kurzyna
BACKGROUND: Electrocardiography (ECG) is still one of the first tests performed at admission, mostly in patients (pts) with chest pain or dyspnea. The aim of this study was to assess the correlation between electrocardiographic abnormalities and cardiac biomarkers as well as echocardiographic parameter in patients with acute pulmonary embolism. METHODS: We performed a retrospective analysis of 614 pts. (F/M 334/280; mean age of 67.9 ± 16.6 years) with confirmed acute pulmonary embolism (APE) who were enrolled to the ZATPOL-2 Registry between 2012 and 2014...
February 18, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28213568/estimated-glomerular-filtration-rate-and-albuminuria-are-associated-with-biomarkers-of-cardiac-injury-in-a-population-based-cohort-study-the-maastricht-study
#5
Remy J H Martens, Dorien M Kimenai, Jeroen P Kooman, Coen D A Stehouwer, Frans E S Tan, Otto Bekers, Pieter C Dagnelie, Carla J H van der Kallen, Abraham A Kroon, Karel M L Leunissen, Frank M van der Sande, Nicolaas C Schaper, Simone J S Sep, Miranda T Schram, Jeroen D van Suijlen, Marja P van Dieijen-Visser, Steven J R Meex, Ronald M A Henry
BACKGROUND: Chronic kidney disease (CKD) is associated with an increased cardiovascular disease mortality risk. It is, however, less clear at what point in the course from normal kidney function to CKD the association with cardiovascular disease appears. Studying the associations of estimated glomerular filtration rate (eGFR) and albuminuria with biomarkers of (subclinical) cardiac injury in a population without substantial CKD may clarify this issue. METHODS: We examined the cross-sectional associations of eGFR and urinary albumin excretion (UAE) with high-sensitivity cardiac troponin (hs-cTn) T, hs-cTnI, and N-terminal probrain natriuretic-peptide (NT-proBNP) in 3103 individuals from a population-based diabetes-enriched cohort study...
February 17, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28213377/interventional-treatment-of-pulmonary-embolism
#6
David M Dudzinski, Jay Giri, Kenneth Rosenfield
Pulmonary embolism (PE) is a serious and prevalent cause of vascular disease. Nevertheless, optimal treatment for many phenotypes of PE remains uncertain. Treating PE requires appropriate risk stratification as a first step. For the highest-risk PE, presenting as shock or arrest, emergent systemic thrombolysis or embolectomy is reasonable, while for low-risk PE, anticoagulation alone is often chosen. Normotensive patients with PE but with indicia of right heart dysfunction (by biomarkers or imaging) constitute an intermediate-risk group for whom there is controversy on therapeutic strategy...
February 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28213360/circulating-endothelial-microparticles-and-mir-92a-in-acute-myocardial-infarction
#7
Yuchen Zhang, Junjun Cheng, Fang Chen, Changyan Wu, Junmeng Zhang, Xuejun Ren, Yu Pan, Bin Nie, Quan Li, Yu Li
Background : Microparticles (MPs) and microRNAs (miRNAs) have been shown to play important roles in coronary artery disease (CAD) by monitoring endothelial dysfunction. This study aims to investigate the diagnostic value of endothelial microparticles (EMPs) and miRNAs (miR-92a or miR-23a) as biomarkers in distinguishing patients with acute myocardial infarction (AMI) from those with CAD. Methods : Plasma samples from 37 patients with AMI, 42 patients with stable coronary artery disease (SCAD) and 35 healthy adults were collected for investigation in this study...
February 17, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28212715/novel-biomarkers-of-heart-failure
#8
A Savic-Radojevic, M Pljesa-Ercegovac, M Matic, D Simic, S Radovanovic, T Simic
Although substantial improvements have been made in majority of cardiac disorders, heart failure (HF) remains a major health problem, with both increasing incidence and prevalence over the past decades. For that reason, the number of potential biomarkers that could contribute to diagnosis and treatment of HF patients is, almost exponentially, increasing over the recent years. The biomarkers that are, at the moment, more or less ready for use in everyday clinical practice, reflect different pathophysiological processes present in HF...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28210831/cardiac-biomarkers-of-acute-coronary-syndrome-from-history-to-high-sensitive-cardiac-troponin
#9
Mario Plebani, Giorgia Antonelli, Martina Zaninotto
No abstract text is available yet for this article.
February 17, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28208194/risk-stratification-for-proven-acute-pulmonary-embolism-what-information-is-needed
#10
Deisy Barrios, Roger D Yusen, David Jiménez
Classification of risk drives treatment decisions for patients with acute symptomatic pulmonary embolism (PE). High-risk patients with acute symptomatic PE have hemodynamic instability (i.e., shock or hypotension present), and treatment guidelines suggest systemically administered thrombolytic therapy in this setting. Normotensive PE patients at low risk for early complications (low-risk PE) might benefit from treatment at home or early discharge, while normotensive patients with preserved systemic arterial pressure deemed as having a high risk for PE-related adverse clinical events (intermediate-high-risk PE) might benefit from close observation and consideration of escalation of therapy...
February 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28198521/sevoflurane-ameliorates-doxorubicin-induced-myocardial-injury-by-affecting-the-phosphorylation-states-of-proteins-in-pi3k-akt-mtor-signaling-pathway
#11
Yini Wu, Jianping Wang, Xiaoyan Yu, Dongli Li, Xin Han, Lihua Fan
BACKGROUND: The effect of sevoflurane on the doxorubicin-induced myocardial injury was explored by investigating the phosphorylation states of proteins in phosphatidylinositol 3-kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) signaling pathway. METHODS: Myocardial injury rat models were induced by doxorubicin and evenly assigned into five groups according to different treatment: Doxorubicin group (DG, 200-µL saline solution), sevoflurane group (SevG, inhaled with 2...
February 15, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28196416/blood-proteomic-profiling-in-inherited-attrm-and-acquired-attrwt-forms-of-transthyretin-associated-cardiac-amyloidosis
#12
Gloria G Chan, Clarissa M Koch, Lawreen H Connors
Transthyretin-associated forms of cardiac amyloidosis are fatal protein misfolding diseases that can be inherited (ATTRm) or acquired (ATTRwt). Precise biomarkers for ATTR disease identification and monitoring are undiscovered, disease-specific therapeutic options are needed, and the current understanding of ATTR molecular pathogenesis is limited. The aim of this study was to investigate and compare the serum proteomes in ATTRm and ATTRwt cardiac amyloidosis to identify differentially expressed blood proteins that were disease-specific...
February 14, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28196358/wellens-syndrome-a-bad-omen
#13
Madalena Coutinho Cruz, Isabel Luiz, Lurdes Ferreira, Rui Cruz Ferreira
Wellens' syndrome is characterized by an electrocardiographic pattern of T-wave changes associated with a critical stenosis of the left anterior descending artery (LAD), which progresses to an extensive anterior myocardial infarction in the majority of cases. For this reason, its recognition and early treatment are extremely important. We report 2 cases of Wellens' syndrome: an 83-year-old male presenting with ill-characterized chest pain, biphasic T waves in V1-V3 during an asymptomatic period, negative cardiac biomarkers, and a 64% stenosis in LAD with a fractional flow reserve of 0...
February 15, 2017: Cardiology
https://www.readbyqxmd.com/read/28194569/the-role-of-inflammation-in-cardiovascular-outcome
#14
REVIEW
Fabrizio Montecucco, Luca Liberale, Aldo Bonaventura, Alessandra Vecchiè, Franco Dallegri, Federico Carbone
PURPOSE OF REVIEW: The aim of this review is to update the pathophysiological role of innate immune response in the cardiovascular (CV) disease outcomes, particularly focusing on coronary atherosclerosis and heart failure. RECENT FINDINGS: Inflammatory processes comprised with the innate immunity reaction are believed to actively trigger CV disease development and final clinical events. For instance, by releasing proteases and neutrophil extracellular traps, neutrophil recruitment and activation might strongly influence atherosclerotic plaque stability...
March 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28193484/clearance-of-cardiac-troponin-t-with-and-without-kidney-function
#15
Vincent Fridén, Karin Starnberg, Aida Muslimovic, Sven-Erik Ricksten, Christian Bjurman, Niklas Forsgard, Anna Wickman, Ola Hammarsten
OBJECTIVE: The extent of kidney-dependent clearance of the cardiac damage biomarker cardiac troponin T (cTnT) is not known. METHODS AND RESULTS: We examined clearance of cTnT after injection of heart extracts in rats with or without clamped kidney vessels. The extent of degradation of cTnT to fragments able to pass the glomerular membrane and the kidney extraction index of cTnT was examined in human subjects. After a bolus injection of rat cardiac extract, simulating a large myocardial infarction, there was no significant difference in clearance of cTnT with or without kidney function...
February 10, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28193245/early-disease-progression-of-hurler-syndrome
#16
Bridget T Kiely, Jennifer L Kohler, Hannah Y Coletti, Michele D Poe, Maria L Escolar
BACKGROUND: Newborn screening for mucopolysaccharidosis type I (MPS I) shows promise to improve outcomes by facilitating early diagnosis and treatment. However, diagnostic tests for MPS I are of limited value in predicting whether a child will develop severe central nervous system disease associated with Hurler syndrome, or minimal or no central nervous system involvement associated with the attenuated phenotypes (Hurler-Scheie and Scheie syndromes). Given that the optimal treatment differs between Hurler syndrome and the attenuated MPS I phenotypes, the absence of a reliable prognostic biomarker complicates clinical decision making for infants diagnosed through newborn screening...
February 14, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28191635/the-role-of-epicardial-adipose-tissue-in-cardiac-biology-classic-concepts-and-emerging-roles
#17
Alexios S Antonopoulos, Charalambos Antoniades
Classic concepts about the role of epicardial adipose tissue (EpAT) in heart physiology include its role in cardiac metabolism, the mechanical protection of coronaries, the innervation and possibly cryoprotection of the heart too. Nevertheless, recent evidence has revealed that epicardial adipose tissue regulates multiple aspects of cardiac biology including myocardial redox state, intracellular Ca(2+) cycling, the electrophysiological (EP) and contractile properties of cardiomyocytes, cardiac fibrosis as well as coronary atherosclerosis progression...
February 12, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28188579/cardiac-biomarkers-of-acute-coronary-syndrome-from-history-to-high-sensitivity-cardiac-troponin
#18
REVIEW
Pankaj Garg, Paul Morris, Asma Lina Fazlanie, Sethumadhavan Vijayan, Balazs Dancso, Amardeep Ghosh Dastidar, Sven Plein, Christian Mueller, Philip Haaf
The role of cardiac troponins as diagnostic biomarkers of myocardial injury in the context of acute coronary syndrome (ACS) is well established. Since the initial 1st-generation assays, 5th-generation high-sensitivity cardiac troponin (hs-cTn) assays have been developed, and are now widely used. However, its clinical adoption preceded guidelines and even best practice evidence. This review summarizes the history of cardiac biomarkers with particular emphasis on hs-cTn. We aim to provide insights into using hs-cTn as a quantitative marker of cardiomyocyte injury to help in the differential diagnosis of coronary versus non-coronary cardiac diseases...
February 11, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28188427/the-prognostic-value-of-right-ventricular-long-axis-strain-in-non-ischaemic-dilated-cardiomyopathies-using-standard-cardiac-magnetic-resonance-imaging
#19
Nisha Arenja, Johannes H Riffel, Manuel Halder, Charly N Djiokou, Thomas Fritz, Florian Andre, Fabian Aus dem Siepen, Thomas Zelniker, Benjamin Meder, Elham Kayvanpour, Grigorios Korosoglou, Hugo A Katus, Sebastian J Buss
OBJECTIVE: To investigate the association of right ventricular long axis strain (RV-LAS), a parameter of longitudinal function, with outcome in patients with non-ischaemic dilated cardiomyopathy (NIDCM). METHODS: In 441 patients with NIDCM, RV-LAS was analysed retrospectively by measuring the length between the epicardial border of the left ventricular apex and the middle of a line connecting the origins of the tricuspidal valve leaflets in end-diastole and end-systole on non-contrast standard cine sequences...
February 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28188386/improved-identifiability-of-myocardial-material-parameters-by-an-energy-based-cost-function
#20
Anastasia Nasopoulou, Anoop Shetty, Jack Lee, David Nordsletten, C Aldo Rinaldi, Pablo Lamata, Steven Niederer
Myocardial stiffness is a valuable clinical biomarker for the monitoring and stratification of heart failure (HF). Cardiac finite element models provide a biomechanical framework for the assessment of stiffness through the determination of the myocardial constitutive model parameters. The reported parameter intercorrelations in popular constitutive relations, however, obstruct the unique estimation of material parameters and limit the reliable translation of this stiffness metric to clinical practice. Focusing on the role of the cost function (CF) in parameter identifiability, we investigate the performance of a set of geometric indices (based on displacements, strains, cavity volume, wall thickness and apicobasal dimension of the ventricle) and a novel CF derived from energy conservation...
February 10, 2017: Biomechanics and Modeling in Mechanobiology
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