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https://www.readbyqxmd.com/read/27569438/performance-and-validation-of-a-novel-biomarker-based-stroke-risk-score-for-atrial-fibrillation
#1
Jonas Oldgren, Ziad Hijazi, Johan Lindbäck, John H Alexander, Stuart J Connolly, John W Eikelboom, Michael D Ezekowitz, Christopher B Granger, Elaine M Hylek, Renato D Lopes, Agneta Siegbahn, Salim Yusuf, Lars Wallentin
BACKGROUND: Atrial fibrillation is associated with increased but variable risk of stroke. Our aim was to validate the recently developed biomarker-based ABC (age, biomarkers [high-sensitivity troponin and N-terminal fragment B-type natriuretic peptide], and clinical history of prior stroke/transient ischemic attack)-stroke risk score and compare its performance with the CHA2DS2VASc and ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) risk scores. METHODS: The ABC-stroke score includes age, biomarkers (N-terminal fragment B-type natriuretic peptide and high-sensitivity cardiac troponin), and clinical history (prior stroke)...
November 29, 2016: Circulation
https://www.readbyqxmd.com/read/27540030/prognostic-utility-of-galectin-3-for-recurrent-cardiovascular-events-during-long-term-follow-up-in-patients-with-stable-coronary-heart-disease-results-of-the-karola-study
#2
Henning Jansen, Wolfgang Koenig, Andrea Jaensch, Ute Mons, Lutz P Breitling, Hubert Scharnagl, Tatjana Stojakovic, Heribert Schunkert, Hermann Brenner, Dietrich Rothenbacher
BACKGROUND: Galectin-3 has emerged as a potential useful novel biomarker for heart failure and cardiovascular disease (CVD). However, it remains unclear whether galectin-3 is associated with recurrent cardiovascular events during long-term follow-up of patients with stable coronary heart disease (CHD) after adjustment for multiple established and novel risk factors. METHODS: We measured galectin-3 at baseline in a cohort consisting of 1035 CHD patients and followed them for 13 years to assess a combined CVD end point...
October 2016: Clinical Chemistry
https://www.readbyqxmd.com/read/27413037/heart-failure-with-improved-ejection-fraction-clinical-characteristics-correlates-of-recovery-and-survival-results-from-the-valsartan-heart-failure-trial
#3
Viorel G Florea, Thomas S Rector, Inder S Anand, Jay N Cohn
BACKGROUND: Heart failure with recovered or improved ejection fraction (HFiEF) has been proposed as a new category of HF. Whether HFiEF is clinically distinct from HF with persistently reduced ejection fraction remains to be validated. METHODS AND RESULTS: Of the 5010 subjects enrolled in the Valsartan Heart Failure Trial (Val-HeFT), 3519 had a baseline left ventricular EF of <35% and a follow-up echocardiographic assessment of EF at 12 months. Of these, 321 (9...
July 2016: Circulation. Heart Failure
https://www.readbyqxmd.com/read/26764061/coronary-ct-angiography-for-suspected-acs-in-the-era-of-high-sensitivity-troponins-randomized-multicenter-study
#4
RANDOMIZED CONTROLLED TRIAL
Admir Dedic, Marisa M Lubbers, Jeroen Schaap, Jeronymus Lammers, Evert J Lamfers, Benno J Rensing, Richard L Braam, Hendrik M Nathoe, Johannes C Post, Tim Nielen, Driek Beelen, Marie-Claire le Cocq d'Armandville, Pleunie P M Rood, Carl J Schultz, Adriaan Moelker, Mohamed Ouhlous, Eric Boersma, Koen Nieman
BACKGROUND: It is uncertain whether a diagnostic strategy supplemented by early coronary computed tomography angiography (CCTA) is superior to contemporary standard optimal care (SOC) encompassing high-sensitivity troponin assays (hs-troponins) for patients suspected of acute coronary syndrome (ACS) in the emergency department (ED). OBJECTIVES: This study assessed whether a diagnostic strategy supplemented by early CCTA improves clinical effectiveness compared with contemporary SOC...
January 5, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/26524709/prognostic-value-of-undetectable-hs-troponin-t-in-suspected-acute-coronary-syndrome
#5
RANDOMIZED CONTROLLED TRIAL
Mehrshad Vafaie, Anna Slagman, Martin Möckel, Christian Hamm, Kurt Huber, Christian Müller, Jörn O Vollert, Stefan Blankenberg, Hugo A Katus, Christoph Liebetrau, Evangelos Giannitsis, Julia Searle
BACKGROUND: The search for improved strategies for safe and early discharge of patients with suspected acute coronary syndrome in emergency departments is ongoing. This Biomarkers in Cardiology (BIC)-8 biomarker substudy evaluated the usefulness of high-sensitivity troponin T (hsTnT) below or above the limit of detection (LoD) in low-to-intermediate-risk patients with suspected acute coronary syndrome in the emergency department. METHODS: Patients were categorized into hsTnT ≥ the 99th percentile, between the 99th percentile and LoD, or undetectable hsTnT (<LoD)...
March 2016: American Journal of Medicine
https://www.readbyqxmd.com/read/26476506/hs-troponin-i-followed-by-ct-angiography-improves-acute-coronary-syndrome-risk-stratification-accuracy-and-work-up-in-acute-chest-pain-patients-results-from-romicat-ii-trial
#6
RANDOMIZED CONTROLLED TRIAL
Maros Ferencik, Ting Liu, Thomas Mayrhofer, Stefan B Puchner, Michael T Lu, Pal Maurovich-Horvat, J Hector Pope, Quynh A Truong, James E Udelson, W Frank Peacock, Charles S White, Pamela K Woodard, Jerome L Fleg, John T Nagurney, James L Januzzi, Udo Hoffmann
OBJECTIVES: This study compared diagnostic accuracy of conventional troponin/traditional coronary artery disease (CAD) assessment and highly sensitive troponin (hsTn) I/advanced CAD assessment for acute coronary syndrome (ACS) during the index hospitalization. BACKGROUND: hsTnI and advanced assessment of CAD using coronary computed tomography angiography (CTA) are promising candidates to improve the accuracy of emergency department evaluation of patients with suspected ACS...
November 2015: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/26457775/cardiovascular-risk-stratification-in-hemodialysis-patients-in-the-era-of-highly-sensitive-troponins-should-we-choose-between-hs-troponin-i-and-hs-troponin-t
#7
Anne-Sophie Bargnoux, Nils Kuster, Laure Patrier, Anne-Marie Dupuy, Gaelle Tachon, Francois Maurice, Bouchra Badaoui, Lotfi Chalabi, Stéphanie Badiou, Sebastien Deleuze, Hélène Leray-Moragues, Marion Morena, Bernard Canaud, Jean-Paul Cristol
BACKGROUND: New highly sensitive (hs) assays have challenged the interpretation of cardiac troponins (cTn). The present study was designed to evaluate simultaneously conventional cTnT and cTnI together with their corresponding highly sensitive determinations in stable hemodialysis (HD) patients. Ability of cTn to stratify HD patient risk was assessed. METHODS: A total of 224 stable HD patients was included in this observational study. cTnT and hs-cTnT were measured using Roche cTnT/hs-cTnT assays based on a Cobas e601® analyzer...
April 2016: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/26161101/myocardial-regeneration-strategy-using-wharton-s-jelly-mesenchymal-stem-cells-as-an-off-the-shelf-unlimited-therapeutic-agent-results-from-the-acute-myocardial-infarction-first-in-man-study
#8
Piotr Musialek, Adam Mazurek, Danuta Jarocha, Lukasz Tekieli, Wojciech Szot, Magdalena Kostkiewicz, R Pawel Banys, Malgorzata Urbanczyk, Andrzej Kadzielski, Mariusz Trystula, Jacek Kijowski, Krzysztof Zmudka, Piotr Podolec, Marcin Majka
INTRODUCTION: In large-animal acute myocardial infarction (AMI) models, Wharton's jelly (umbilical cord matrix) mesenchymal stem cells (WJMSCs) effectively promote angiogenesis and drive functional myocardial regeneration. Human data are lacking. AIM: To evaluate the feasibility and safety of a novel myocardial regeneration strategy using human WJMSCs as a unique, allogenic but immuno-privileged, off-the-shelf cellular therapeutic agent. MATERIAL AND METHODS: The inclusion criterion was first, large (LVEF ≤ 45%, CK-MB > 100 U/l) AMI with successful infarct-related artery primary percutaneous coronary intervention reperfusion (TIMI ≥ 2)...
2015: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/26002926/troponins-and-other-biomarkers-in-the-early-diagnosis-of-acute-myocardial-infarction
#9
REVIEW
Annette Maznyczka, Thomas Kaier, Michael Marber
Chest pain is a common presenting symptom; however, the majority of emergency chest pain admissions are not due to acute myocardial infarction (AMI). AMI can be life threatening and early diagnosis or rule out of AMI might potentially improve morbidity and mortality, as well as reduce time to decision and therefore overall treatment costs. High-sensitivity troponin (hs-troponin) assays have been developed that enable precise quantification of extremely low troponin concentrations. Such hs-troponin assays are recommended in early rule-out protocols for AMI, when measured at presentation and again at 3-6 h...
June 2015: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/25948422/expedited-discharge-with-high-sensitivity-hs-troponin
#10
EDITORIAL
Alistair S Hall, Saif-El-Dean T Abdel-Rahman, Julian H Barth
No abstract text is available yet for this article.
July 2015: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/25773594/effect-of-dipyridamole-on-myocardial-reperfusion-injury-a-double-blind-randomized-controlled-trial-in-patients-undergoing-elective-coronary-artery-bypass-surgery
#11
RANDOMIZED CONTROLLED TRIAL
S El Messaoudi, C W Wouters, H A van Swieten, P Pickkers, L Noyez, P C Kievit, E J Abbink, A Rasing-Hoogveld, T P Bouw, J G Peters, M J H Coenen, A R T Donders, N P Riksen, G A Rongen
Dipyridamole reduces reperfusion-injury in preclinical trials and may be beneficial in patients undergoing coronary angioplasty, but its effect on patients undergoing coronary artery bypass grafting (CABG) is unknown. We hypothesized that dipyridamole limits myocardial reperfusion-injury in patients undergoing CABG. The trial design was a double-blind trial randomizing between pretreatment with dipyridamole or placebo. In all, 94 patients undergoing elective on-pump CABG were recruited between February 2010 and June 2012...
April 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/25707524/a-comparison-of-the-effects-of-ketamine-and-remifentanil-on-renal-functions-in-coronary-artery-bypass-graft-surgery
#12
Aslı Demir, Fatma Meric Yılmaz, Cavit Ceylan, Omer Gokhan Doluoglu, Perihan Uçar, Cevdet Züngün, Cigdem Yildirim Guclu, Utku Ünal, Umit Karadeniz, Eren Günertem, Gokhan Lafci, Kerim Çağlı, Ayşegül Özgök
We have investigated the effects of ketamine-based and remifentanil-based anesthetic protocol on perioperative serum cystatin-C levels, and creatinine and/or cystatin-C-based eGFR equations in terms of acute kidney injury in coronary artery bypass graft (CABG) surgery. Using a simple randomization method (coin tossing), patients were divided into the two groups and not-blinded to the anesthetist. Remifentanil-midazolam-propofol or ketamine-midazolam-propofol-based anesthetic regimen was chosen. Different eGFR formulas using creatinine (MDRD, CKD-EPI, Cockrauft Gault); cystatin-C (eGFR1, eGFR2) or a combination of creatinine and cystatin-C (eGFR 3) were used to calculate estimated glomerular filtration rates (eGFRs)...
June 2015: Renal Failure
https://www.readbyqxmd.com/read/25591166/myocardial-dysfunction-in-severe-sepsis-and-septic-shock-no-correlation-with-inflammatory-cytokines-in-real-life-clinical-setting
#13
Giora Landesberg, Phillip D Levin, Dan Gilon, Sergey Goodman, Milena Georgieva, Charles Weissman, Allan S Jaffe, Charles L Sprung, Vivian Barak
BACKGROUND: In vitro studies suggested that circulating inflammatory cytokines cause septic myocardial dysfunction. However, no in vivo clinical study has investigated whether serum inflammatory cytokine concentrations correlate with septic myocardial dysfunction. METHODS: Repeated echocardiograms and concurrent serum inflammatory cytokines (IL-1β, IL-6, IL-8, IL-10, IL-18, tumor necrosis factor-α, and monocyte chemoattractant protein-1) and cardiac biomarkers (high-sensitivity [hs] troponin-T and N-terminal pro-B-type natriuretic peptide [NT-proBNP]) were examined in 105 patients with severe sepsis and septic shock...
July 2015: Chest
https://www.readbyqxmd.com/read/25588444/availability-of-highly-sensitive-troponin-assays-and-acute-coronary-syndrome-care-insights-from-the-snapshot-registry
#14
Louise Cullen, John K French, Tom G Briffa, Julie Redfern, Christopher J K Hammett, David B Brieger, William A Parsonage, Jeffrey Lefkovits, Chris Ellis, Carolyn Astley, Tegwen Eleanor Howell, John M Elliott, Derek P B Chew
OBJECTIVES: To examine differences in care and inhospital course of patients with possible acute coronary syndrome (ACS) in Australia and New Zealand based on whether a highly sensitive (hs) troponin assay was used at the hospital to which they presented. DESIGN, SETTING AND PATIENTS: A snapshot study of consecutive patients presenting to hospitals in Australia and New Zealand from 14 to 27 May 2012 with possible ACS. MAIN OUTCOME MEASURES: Rates of major adverse cardiac events (inhospital death, new or recurrent myocardial infarction, stroke, cardiac arrest or worsening heart failure); association between assay type and outcome (via propensity score matching and a generalised estimating equation [GEE]; averages of the predicted outcomes among patients who were treated with and without the availability of an hs assay (via inverse probability-weighting [IPW] with regression-adjusted estimators)...
January 19, 2015: Medical Journal of Australia
https://www.readbyqxmd.com/read/24715762/high-sensitivity-c-reactive-protein-and-exercise-induced-changes-in-subjects-suspected-of-coronary-artery-disease
#15
Mette Rauhe Mouridsen, Olav Wendelboe Nielsen, Christian Malchau Carlsen, Nick Mattsson, Martin H Ruwald, Zeynep Binici, Ahmad Sajadieh
BACKGROUND: Inflammation plays a major role in the development of atherosclerosis. We wanted to investigate the effects of exercise on high-sensitivity (hs) C-reactive protein (CRP) in subjects who were suspected of having coronary artery disease (CAD). METHODS: Blood samples were obtained before, 5 minutes after, and 20 hours after an exercise test in 155 subjects who were suspected of CAD. Coronary anatomy was evaluated by computed tomography coronary angiography and/or coronary angiography...
2014: Journal of Inflammation Research
https://www.readbyqxmd.com/read/24697827/a-randomized-study-assessing-the-effect-of-diet-in-cats-with-hypertrophic-cardiomyopathy
#16
RANDOMIZED CONTROLLED TRIAL
L M Freeman, J E Rush, S M Cunningham, B J Bulmer
BACKGROUND: Diet might influence progression of hypertrophic cardiomyopathy (HCM). OBJECTIVE: To investigate whether diet composition could alter clinical, biochemical, or echocardiographic variables in cats with HCM. ANIMALS: Twenty-nine cats with HCM (International Small Animal Cardiac Health Council stage 1b) examined at a university teaching hospital. METHODS: Randomized, placebo-controlled trial. After physical examination, echocardiogram, and blood collection, cats were randomized to 1 of 3 diets, which varied in carbohydrate and fat content and ingredients...
May 2014: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/24621878/resting-heart-rate-and-heart-rate-reserve-in-advanced-heart-failure-have-distinct-pathophysiologic-correlates-and-prognostic-impact-a-prospective-pilot-study
#17
Jan Benes, Martin Kotrc, Barry A Borlaug, Katerina Lefflerova, Petr Jarolim, Bela Bendlova, Antonin Jabor, Josef Kautzner, Vojtech Melenovsky
OBJECTIVES: The purpose of this study was to compare the prognostic impact of clinical and biomarker correlates of resting heart rate (HR) and chronotropic incompetence in heart failure (HF) patients. BACKGROUND: The mechanisms and underlying pathophysiological influences of HR abnormalities in HF are incompletely understood. METHODS: In a prospective pilot study, 81 patients with advanced systolic HF (97% were receiving beta-blockers) and 25 age-, sex-, and body-size matched healthy controls underwent maximal cardiopulmonary exercise testing with sampling of neurohormones and biomarkers...
June 2013: JACC. Heart Failure
https://www.readbyqxmd.com/read/24135532/what-does-elevated-high-sensitive-troponin-i-in-stroke-patients-mean-concomitant-acute-myocardial-infarction-or-a-marker-for-high-risk-patients
#18
B Anders, A Alonso, D Artemis, A Schäfer, A Ebert, M Kablau, S Fluechter, P Findeisen, M G Hennerici, M Fatar
BACKGROUND: Acute ischemic stroke patients may occasionally suffer from concomitant acute coronary syndrome (ACS). Troponin I and T are established biomarkers to detect ACS. Recently introduced high-sensitive cardiac troponin (hs-TNI and hs-TNT) assays are increasingly used to identify ACS in stroke patients even without signs or symptoms of ACS. These new test systems very often detect elevated values of hs-troponin, although clinical relevance and consequences of elevated hs-TNI values in these patients are unclear so far...
2013: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/24113440/-interest-of-the-combination-of-high-sensitivity-troponine-and-copeptin-in-diagnosis-of-non-st-elevation-myocardial-infarction
#19
Caroline Bourgeois, Marion Douplat, Régis Guieu, Vincent Pradel, Julien Fromonot, Jean-Louis Bonnet, Marc Alazia
The diagnosis of non ST elevation myocardial infarction (NSTEMI) is very important for the emergency doctor. According to the literature copeptin, a marker of the endogenous stress, combined with troponin could be of interest in this diagnosis. The objective of the study was to investigate the association of high-sensitivity (HS) troponin and copeptine to eliminate the diagnosis of NSTEMI or unstable angina (UA) in patients arriving in Casualty with a thoracic pain. This prospective study included patients showing up at Casualty with a thoracic pain less than 12 hours old...
September 2013: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/24095653/typical-takotsubo-cardiomyopathy-in-suspected-st-elevation-myocardial-infarction-patients-admitted-for-primary-percutaneous-coronary-intervention
#20
Refai Showkathali, Hetalkumar Patel, Anil Ramoutar, Alamgir M Kabir, Jeremy W Sayer, Gerald J Clesham, Rajesh K Aggarwal, Paul A Kelly
AIM: Takotsubo cardiomyopathy (TCM) is increasingly being recognised in patients admitted with suspected acute coronary syndrome, as access to angiography and echocardiography is much quicker than before. We aimed to analyse the prevalence of typical TCM in patients admitted for primary percutaneous coronary intervention (PPCI) with suspected ST elevation myocardial infarction (STEMI) to a single tertiary centre in United Kingdom. METHODS: All patients admitted to our unit with suspected STEMI from September 2009 to November 2011 were included for analysis...
February 2014: European Journal of Internal Medicine
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