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cardiac troponin T

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https://www.readbyqxmd.com/read/29663176/serum-magnesium-and-risk-of-incident-heart-failure-in-older-men-the-british-regional-heart-study
#1
Sasiwarang Goya Wannamethee, Olia Papacosta, Lucy Lennon, Peter H Whincup
To examine the association between serum magnesium and incident heart failure (HF) in older men and investigate potential pathways including cardiac function, inflammation and lung function. Prospective study of 3523 men aged 60-79 years with no prevalent HF or myocardial infarction followed up for a mean period of 15 years, during which 268 incident HF cases were ascertained. Serum magnesium was inversely associated with many CVD risk factors including prevalent atrial fibrillation, lung function (FEV1 ) and markers of inflammation (IL-6), endothelial dysfunction (vWF) and cardiac dysfunction [NT-proBNP and cardiac troponin T (cTnT)]...
April 17, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29659585/protective-effect-of-nicorandil-on-myocardial-injury-following-percutaneous-coronary-intervention-in-older-patients-with-stable-coronary-artery-disease-secondary-analysis-of-a-randomized-controlled-trial-rinc
#2
Norifumi Kawakita, Kentaro Ejiri, Toru Miyoshi, Kunihisa Kohno, Makoto Nakahama, Masayuki Doi, Mitsuru Munemasa, Masaaki Murakami, Kazufumi Nakamura, Hiroshi Ito
BACKGROUND: Our previous study examined an effect of remote ischemic preconditioning (RIPC) or intravenous nicorandil on reduction of periprocedural myocardial injury (pMI) following percutaneous coronary intervention (PCI) in patients with stable coronary artery disease (CAD). We further investigated the effect of RIPC or nicorandil on pMI in older patients. METHODS: Patients with stable CAD who planned to undergo PCI were assigned to a 1:1:1 ratio to control, intravenous nicorandil, or upper-limb RIPC groups...
2018: PloS One
https://www.readbyqxmd.com/read/29659121/glucagon-like-peptide-1-ameliorates-cardiac-lipotoxicity-in-diabetic-cardiomyopathy-via-the-ppar%C3%AE-pathway
#3
Lujin Wu, Ke Wang, Wei Wang, Zheng Wen, Peihua Wang, Lei Liu, Dao Wen Wang
Lipotoxicity cardiomyopathy is the result of excessive accumulation and oxidation of toxic lipids in the heart. It is a major threat to patients with diabetes. Glucagon-like peptide-1 (GLP-1) has aroused considerable interest as a novel therapeutic target for diabetes mellitus because it stimulates insulin secretion. Here, we investigated the effects and mechanisms of the GLP-1 analog exendin-4 and the dipeptidyl peptidase-4 inhibitor saxagliptin on cardiac lipid metabolism in diabetic mice (DM). The increased myocardial lipid accumulation, oxidative stress, apoptosis, and cardiac remodeling and dysfunction induced in DM by low streptozotocin doses and high-fat diets were significantly reversed by exendin-4 and saxagliptin treatments for 8 weeks...
April 16, 2018: Aging Cell
https://www.readbyqxmd.com/read/29658868/serum-levels-of-mir-155-mir-326-and-mir-133b-as-early-diagnostic-biomarkers-for-the-detection-of-human-acute-heart-allograft-rejection-in-comparison-with-serum-cardiac-troponin-t
#4
Aghil Esmaeili-Bandboni, Jamshid Bagheri, Ali Reza Bakhshandeh, Javad Mohammadnejad, Esmaeil Sadroddiny
BACKGROUND: Acute heart allograft rejection occurs as a result of antibody-mediated rejection that presents during the first month after transplantation. Finding a non-invasive biomarker is essential for diagnosis of heart allograft rejection. In this research, we intended to compare expression levels of several microRNAs across cardiac troponin T levels between rejected patients (who died before one month following transplantation), non-rejected patients (who survived for at least one month after transplantation), and non-transplanted patients (CABG surgery patients)...
March 12, 2018: Heart Surgery Forum
https://www.readbyqxmd.com/read/29653119/adenovirus-mediated-overexpression-of-sst2-attenuates-cardiac-injury-in-the-rat-with-severe-acute-pancreatitis
#5
Lei Li, Zhongwei Sun, Caiming Xu, Jun Wu, Geliang Liu, Hongzhang Cui, Hailong Chen
AIMS: Severe acute pancreatitis (SAP) is a serious disease associated with systematic inflammation and multiple organs dysfunction. Soluble ST2 (sST2), a member of the Toll interleukin (IL)-1 receptor (TIR) superfamily, has been demonstrated to exert immune-regulatory and anti-inflammatory properties in several inflammation-related diseases. In this study, we investigated whether transfer of sST2 gene by adenovirus vector could attenuate sodium taurocholate-induced SAP and associated cardiac injury...
April 10, 2018: Life Sciences
https://www.readbyqxmd.com/read/29628129/comparison-of-the-association-between-high-sensitivity-troponin-i-and-adverse-cardiovascular-outcomes-in-patients-with-versus-without-chronic-kidney-disease
#6
Pratik B Sandesara, Wesley T O'Neal, Ayman Samman Tahhan, Salim S Hayek, Suegene K Lee, Jay Khambhati, Matthew L Topel, Muhammad Hammadah, Ayman Alkhoder, Yi-An Ko, Mohamad Mazen Gafeer, Agim Beshiri, Gillian Murtagh, Jonathan H Kim, Peter Wilson, Leslee Shaw, Stephen E Epstein, Laurence S Sperling, Arshed A Quyyumi
It is unknown whether the association of high-sensitivity troponin I (hs-TnI) with adverse cardiovascular outcomes varies by the presence of chronic kidney disease (CKD). We examined the association of hs-TnI with adverse cardiovascular outcomes in those with and without CKD in 4,107 (mean age, 64 years; 63% men; 20% black) patients from the Emory Cardiovascular Biobank who underwent coronary angiography. CKD (n = 1,073) was defined as estimated glomerular filtration rate <60 ml/min/1.73 m2 or urine albumin/creatinine ratio >30 mg/g at baseline...
March 14, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29623895/high-sensitivity-cardiac-troponin-t-and-hemodialysis-influence-of-gender-age-and-diabetes
#7
Jean-Michel Poux, Salvatore Citarda, Cécile Gérard, Thierry Masseron, Roula Galland, Chantal Bully, Pierre Serusclat, Agnès Caillette-Beaudoin, Michel Labeeuw
No abstract text is available yet for this article.
April 1, 2018: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/29622161/elevated-cardiac-troponin-t-in-patients-with-skeletal-myopathies
#8
Johannes Schmid, Laura Liesinger, Ruth Birner-Gruenberger, Tatjana Stojakovic, Hubert Scharnagl, Benjamin Dieplinger, Martin Asslaber, Roman Radl, Meinrad Beer, Malgorzata Polacin, Johannes Mair, Dieter Szolar, Andrea Berghold, Stefan Quasthoff, Josepha S Binder, Peter P Rainer
BACKGROUND: Cardiac troponins are often elevated in patients with skeletal muscle disease who have no evidence of cardiac disease. OBJECTIVES: The goal of this study was to characterize cardiac troponin concentrations in patients with myopathies and derive insights regarding the source of elevated troponin T measurements. METHODS: Cardiac troponin T (cTnT) and cardiac troponin I (cTnI) concentrations were determined by using high sensitivity assays in 74 patients with hereditary and acquired skeletal myopathies...
April 10, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29621201/remote-ischemic-preconditioning-does-not-affect-the-release-of-humoral-factors-in-propofol-anesthetized-cardiac-surgery-patients-a-secondary-analysis-of-the-ripheart-study
#9
Julia Ney, Katleen Hoffmann, Patrick Meybohm, Andreas Goetzenich, Sandra Kraemer, Carina Benstöm, Nina C Weber, Johannes Bickenbach, Rolf Rossaint, Gernot Marx, Kai Zacharowski, Jürgen Bernhagen, Christian Stoppe
In contrast to several smaller studies, which demonstrate that remote ischemic preconditioning (RIPC) reduces myocardial injury in patients that undergo cardiovascular surgery, the RIPHeart study failed to demonstrate beneficial effects of troponin release and clinical outcome in propofol-anesthetized cardiac surgery patients. Therefore, we addressed the potential biochemical mechanisms triggered by RIPC. This is a predefined prospective sub-analysis of the randomized and controlled RIPHeart study in cardiac surgery patients ( n = 40) that was recently published...
April 5, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29619842/high-sensitivity-cardiac-troponin-t-for-diagnosis-of-nstemi-in-the-elderly-emergency-department-patient-a-clinical-cohort-study
#10
Dorothee Riedlinger, Martin Möckel, Christian Müller, Fabian Holert, Julia Searle, Johannes von Recum, Anna Slagman
PURPOSE: The aim of this study is to evaluate the impact of age on the diagnostic performance of high-sensitivity Troponin T (hsTnT) under routine conditions. MATERIAL AND METHODS: Data of 4,118 consecutive emergency department (ED) patients who underwent a routine TnTmeasurement between October 11th 2012 and November 30th 2013 were analyzed. Diagnostic accuracy of hsTnT was compared in four age categories (<50, 50-64, 65-74 ≥75 years of age) for different cut-off values...
April 5, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29619470/a-disposable-on-chip-microvalve-and-pump-for-programmable-microfluidics
#11
Sung B Im, M Jalal Uddin, Gyeong J Jin, Joon S Shim
In this work, a low-cost PDMS micro-pump and -valve have been designed and developed to control multiple reagents for enzyme-linked immunosorbent assay (ELISA) on a programmable lab-on-a-chip (LOC) platform. The micro pump and valves were precisely controlled by selectively pressurizing the PDMS channels and chamber to actuate the multiple reagents in a controlled manner. Selective pressurizing of the PDMS structures was initiated by a simple system that maneuvered a single roller bar operated by a programmed microprocessor...
April 5, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/29619130/copeptin-as-a-prognostic-marker-in-acute-chest-pain-and-suspected-acute-coronary-syndrome
#12
Beata Morawiec, Damian Kawecki, Brygida Przywara-Chowaniec, Mariusz Opara, Piotr Muzyk, Lam Ho, Lui Chun Tat, Artur Gabrysiak, Olivier Muller, Ewa Nowalany-Kozielska
Background: In patients admitted with chest pain and suspected acute coronary syndrome (ACS), it is crucial to early identify those who are at higher risk of adverse events. The study aim was to assess the predictive value of copeptin in patients admitted to the emergency department with chest pain and nonconclusive ECG. Methods: Consecutive patients suspected for an ACS were enrolled prospectively. Copeptin and high-sensitive troponin T (hs-TnT) were measured at admission...
2018: Disease Markers
https://www.readbyqxmd.com/read/29617154/n-terminal-pro-brain-natriuretic-peptide-and-high-sensitivity-troponin-t-exhibit-additive-prognostic-value-for-the-outcome-of-critically-ill-patients
#13
Max Lenz, Konstantin A Krychtiuk, Georg Goliasch, Klaus Distelmaier, Johann Wojta, Gottfried Heinz, Walter S Speidl
BACKGROUND: Patients treated at medical intensive care units suffer from various pathologies and often present with elevated troponin T (TnT) and N-terminal pro-brain natriuretic peptide (NT-proBNP) levels. Both markers may reflect different forms of cardiac involvement in critical illness. Therefore, the aim of our study was to examine the synergistic prognostic potential of NT-proBNP and high-sensitivity TnT (hs)TnT in unselected critically ill patients. METHODS: We included all consecutive patients admitted to our intensive care unit within one year, excluding those suffering from acute myocardial infarction or undergoing cardiac surgery and measured NT-proBNP and TnT plasma levels on the day of admission and 72 hours thereafter...
April 1, 2018: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/29611048/use-of-speckle-tracking-in-the-evaluation-of-late-subclinical-myocardial-damage-in-survivors-of-childhood-acute-leukaemia
#14
Elena Guadalupe Corella Aznar, Ariadna Ayerza Casas, Lorenzo Jiménez Montañés, Maria Ángeles Carlota Calvo Escribano, José Ignacio Labarta Aizpún, Pilar Samper Villagrasa
Heart disease is the leading cause of non-cancer death in childhood cancer survivors. to determine the prevalence of subclinical cardiac dysfunction using speckle tracking and compare its results with those obtained by classical methods of assessing left ventricular function and its relationship with different factors to identify the population at higher risk. Echocardiographic assessment of left ventricular function included ejection fraction, tissue Doppler, longitudinal/circumferential strains and biochemical parameters (troponin-T and Pro-BNP) in a cohort of 57 survivors of childhood acute leukaemia with at least 10 years since diagnosis...
April 2, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29599097/high-sensitivity-cardiac-troponin-t-and-prognosis-in-patients-with-st-segment-elevation-myocardial-infarction
#15
Gjin Ndrepepa, Sebastian Kufner, Magdalena Hoyos, Yukinori Harada, Erion Xhepa, Julia Hieber, Salvatore Cassese, Massimiliano Fusaro, Karl-Ludwig Laugwitz, Heribert Schunkert, Adnan Kastrati
BACKGROUND: Evidence on the use of high-sensitivity cardiac troponins (hs-cTn) to risk-stratify patients with ST-segment elevation myocardial infarction (STEMI) is limited. METHODS: We assessed the prognostic value of preprocedural (admission) and peak postprocedural hs-cTnT in 818 patients with STEMI treated with primary percutaneous coronary intervention (PPCI). Preprocedural and peak postprocedural hs-cTnT was measured. The primary outcome was 3-year all-cause mortality...
March 26, 2018: Journal of Cardiology
https://www.readbyqxmd.com/read/29596110/cardiac-and-inflammatory-biomarkers-in-perinatally-hiv-infected-and-hiv-exposed-uninfected-children
#16
James D Wilkinson, Paige L Williams, Wendy Yu, Steven D Colan, Armando Mendez, Justin P V Zachariah, Russell B Van Dyke, William T Shearer, Renee E Margossian, Steven E Lipshultz
OBJECTIVES: To compare distributions of serum cardiac and inflammatory biomarkers between perinatally HIV-infected (PHIV) and perinatally HIV-exposed uninfected (PHEU) children, to evaluate their associations with echocardiographic measures, and among PHIV youth, with antiretroviral therapy (ART) and HIV disease severity measures. DESIGN: Cross-sectional analysis of temporally paired serum samples for biomarkers and echocardiograms in a prospective multicenter cohort study of PHIV and PHEU youth...
March 28, 2018: AIDS
https://www.readbyqxmd.com/read/29589418/myocardial-injury-after-non-cardiac-surgery-a-perioperative-affair
#17
Viviana Miccichè, Cesare Baldi, Edoardo DE Robertis, Ornella Piazza
Myocardial injury after non cardiac surgery (MINS) is a rather new nosological entity and an unfortunately common perioperative complication. The diagnostic criteria for MINS, also indicated as isolated myocardi- al injury (IMI), are an elevated postoperative high sensitivity Troponin T (hsTnT level ranging between 20 and 65 ng/L with an absolute change of at least 5 ng/L or hsTnT level > 65 ng/L), in absence of symptoms and/or EKG findings suggestive of ischemia and without a non ischemic aetiology causing Troponin eleva- tion...
March 27, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29588114/post-marathon-cardiac-troponin-t-is-associated-with-relative-exercise-intensity
#18
A J Richardson, T Leckie, E R Watkins, D Fitzpatrick, R Galloway, R Grimaldi, P Baker
OBJECTIVES: This study aimed to investigate whether measures of cardiopulmonary fitness and relative exercise intensity were associated with high sensitivity cardiac troponin T (cTnT) rise after a road marathon. METHODS: Fifty-two marathon runners (age 39±11 years, body mass 76.2±12.9kg, height 1.74±0.09m) attended the laboratory between 2 and 3 weeks prior to attempting the Brighton Marathon, UK. Running economy at 10kmh-1 (RE10) and race pace (RERP), ventilatory threshold (VT) and VO2 max tests were completed...
March 2, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29581714/congenital-left-ventricular-aneurysms-and-diverticula-an-entity-in-search-of-an-identity
#19
REVIEW
Marc-Alexander Ohlow
Congenital left ventricular aneurysm or diverticulum are rare cardiac malformations described in 809 cases since the first description in 1816, being associated with other cardiac, vascular or thoraco-abdominal abnormalities in about 70%. It appears to be a developmental anomaly, starting in the 4th embryonic week. In an experimental study, targeted knockdown of cardiac troponin T in the chick was performed at day 3, after the heart tube has formed. Morpholino treatment of gene TNNT2 at this stage led to the development of left ventricular diverticula (LVD) in the primitive left ventricular wall...
December 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29580830/myocardial-injury-is-more-common-than-deep-venous-thrombosis-after-vascular-surgery-and-is-associated-with-a-high-one-year-mortality-risk
#20
Jacek Górka, Kamil Polok, Jakub Fronczek, Karolina Górka, Mateusz Kózka, Paweł Iwaszczuk, Marzena Frołow, P J Devereaux, Bruce Biccard, Jacek Musiał, Wojciech Szczeklik
OBJECTIVE/BACKGROUND: Venous thromboembolism (VTE) has been considered the dominant major life threatening vascular complication after non-cardiac surgery, but recent studies have shifted the emphasis toward myocardial injury after non-cardiac surgery (MINS) as a common adverse event in the peri-operative setting. The aim of the present study was to compare the incidence and influence on mortality of two dominant venous and arterial events in the peri-operative period by prospectively screening a consecutive cohort of patients undergoing vascular surgery...
March 23, 2018: European Journal of Vascular and Endovascular Surgery
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