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https://www.readbyqxmd.com/read/28222017/evaluation-of-biotin-interference-on-immunoassays-new-data-for-troponin-i-digoxin-nt-pro-bnp-and-progesterone
#1
Théo Willeman, Olivier Casez, Patrice Faure, Anne Sophie Gauchez
No abstract text is available yet for this article.
February 21, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28221913/an-immunoassay-for-quantification-of-contamination-by-raw-meat-juice-on-food-contact-surfaces
#2
Fur-Chi Chen, Sandria Godwin, Edgar Chambers
Raw chicken products often are contaminated with Salmonella and Campylobacter , which can be transmitted from packages to contact surfaces. Raw meat juices from these packages also provide potential media for cross-contamination. There are limited quantitative data on the levels of consumer exposure to raw meat juice during shopping for and handling of chicken products. An exposure assessment is needed to quantify the levels of transmission and to assess the risk. An enzyme-linked immunosorbent assay (ELISA) was developed and validated for quantitative detection of raw meat juice on hands and various food contact surfaces...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28218398/changes-in-left-ventricular-function-after-spontaneous-coronary-artery-dissection
#3
Christopher Franco, Andrew Starovoytov, Milad Heydari, G B John Mancini, Eve Aymong, Jacqueline Saw
BACKGROUND: Spontaneous healing of spontaneous coronary artery dissection (SCAD) and left ventricular ejection fraction (LVEF) recovery is frequently observed clinically. However, LVEF on presentation and follow-up imaging has not been described. HYPOTHESIS: We hypothesize that LV dysfunction improves at follow-up after initial SCAD presentation. METHODS: We included patients with nonatherosclerotic SCAD prospectively followed at Vancouver General Hospital, who had baseline assessment of LVEF and wall-motion abnormality (WMA) during their index presentation...
February 20, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28216824/cardiac-troponin-i-a-potent-biomarker-for-myocardial-damage-assessment-following-high-voltage-electric-burn
#4
Arindam Bose, Chandra B Chhabra, Shobha Chamania, Nanda Hemvani, Dhananjay S Chitnis
Myocardial infarction (MI) following high voltage electric burn is very rare, and its pathogenesis remains controversial. Electrical burns represent only 4% of all burns. Hence, clinical managements have taken a slow pace in developing. The recent guidelines laid down by the cardiology societies include cardiac troponin I (cTnI) as the gold standard marker for the assessment of myocardial damage assessment. Two patients were admitted to our hospital at the different time with the same kind of high voltage electric burn...
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28214967/increased-atrial-%C3%AE-adrenergic-receptors-and-grk-2-gene-expression-can-play-a-fundamental-role-in-heart-failure-after-repair-of-congenital-heart-disease-with-cardiopulmonary-bypass
#5
Marcela Silva Oliveira, Fabio Carmona, Walter V A Vicente, Paulo H Manso, Karina M Mata, Mara Rúbia Celes, Erica C Campos, Simone G Ramos
Surgeries to correct congenital heart diseases are increasing in Brazil and worldwide. However, even with the advances in surgical techniques and perfusion, some cases, especially the more complex ones, can develop heart failure and death. A retrospective study of patients who underwent surgery for correction of congenital heart diseases with cardiopulmonary bypass (CPB) in a university tertiary-care hospital that died, showed infarction in different stages of evolution and scattered microcalcifications in the myocardium, even without coronary obstruction...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214153/arrhythmogenic-right-ventricular-dysplasia-atypical-clinical-presentation
#6
José Marçalo, Luiz Menezes Falcão
A 67-year-old man was admitted to our hospital after episodes of syncope preceded by malaise and diffuse neck and chest discomfort. No family history of cardiac disease was reported. Laboratory workup was within normal limits, including D-dimers, serum troponin I and arterial blood gases. The electrocardiogram showed sinus rhythm with T-wave inversion in leads V1 to V3. Computed tomography angiography to investigate pulmonary embolism showed no abnormal findings. Transthoracic echocardiography (TTE) displayed massive enlargement of the right ventricle with intact interatrial septum and no pulmonary hypertension...
February 14, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28214081/fev1-and-fvc-predict-all-cause-mortality-independent-of-cardiac-function-results-from-the-population-based-gutenberg-health-study
#7
Christina Magnussen, Francisco M Ojeda, Nargiz Rzayeva, Tanja Zeller, Christoph R Sinning, Norbert Pfeiffer, Manfred Beutel, Maria Blettner, Karl J Lackner, Stefan Blankenberg, Thomas Münzel, Klaus F Rabe, Philipp S Wild, Renate B Schnabel
BACKGROUND: Lung function has previously been related to increased mortality. Whether pulmonary impairment is associated with an increased mortality independent of cardiac dysfunction remains unclear. METHODS: In 15010 individuals from the general population (age range 35-74years, 51% men) in the Gutenberg Health Study we performed spirometry and transthoracic echocardiography. N-terminal pro-B-type natriuretic peptide (Nt-proBNP) and high-sensitive troponin I (hsTnI) were measured in all individuals...
February 3, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28213932/correlations-between-electrocardiogram-and-biomarkers-in-acute-pulmonary-embolism-analysis-of-zatpol-2-registry
#8
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/28213360/circulating-endothelial-microparticles-and-mir-92a-in-acute-myocardial-infarction
#9
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/28210509/recurrence-of-postoperative-stress-induced-cardiomyopathy-resulting-from-status-epilepticus
#10
Grant A Miller, Yousef M Ahmed, Nicki S Tarant
Introduction. Classically, stress-induced cardiomyopathy (SIC), also known as takotsubo cardiomyopathy, displays the pathognomonic feature of reversible left ventricular apical ballooning without coronary artery stenosis following stressful event(s). Temporary reduction in ejection fraction (EF) resolves spontaneously. Variants of SIC exhibiting mid-ventricular regional wall motion abnormalities have been identified. Recent case series present SIC as a finding in association with sudden unexplained death in epilepsy (SUDEP)...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28209463/remnant-cholesterol-predicts-periprocedural-myocardial-injury-following-percutaneous-coronary-intervention-in-poorly-controlled-type-2-diabetes
#11
Rui-Xiang Zeng, Sha Li, Min-Zhou Zhang, Xiao-Lin Li, Cheng-Gang Zhu, Yuan-Lin Guo, Yan Zhang, Jian-Jun Li
BACKGROUND: Remnant cholesterol (RC) is receiving increasing attention regarding its relation to cardiovascular risk. Whether RC is associated with periprocedural myocardial injury (PMI) following percutaneous coronary intervention (PCI) in type 2 diabetes (T2D) is currently unknown. METHODS: We prospectively enrolled 1182 consecutive T2D patients who were scheduled for PCI but with baseline normal preprocedural cardiac troponin I (cTnI). Patients were divided according to their glycemic control status: group A [glycated hemoglobin (HbA1c)<7%, n=563] and group B (HbA1c≥7%, n=619)...
February 13, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28208842/assessment-of-serum-vaspin-levels-among-type-2-diabetes-mellitus-patients-with-or-without-acute-coronary-syndrome
#12
Aswathy Jaya Sathyaseelan, Prashant Shankarrao Adole, Mukta Wyawahare, Rama Prakasha Saya
INTRODUCTION: Type 2 Diabetes Mellitus (DM) is on the verge of becoming a pandemic in India. Type 2 DM patient have two to four times increased risk of carotid artery disease. Adipokines have been regarded recently as direct link between diabetes and atherosclerosis. Visceral Adipose Tissue Derived Serine Protease Inhibitor (VASPIN); one of the most recently discovered adipokine, inhibits the proteases responsible for insulin resistance, carotid plaque development and rupture. In literature, few studies have addressed the role of VASPIN in pathogenesis of Acute Coronary Syndrome (ACS) in patients with type 2 DM...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207554/isolated-cardiac-troponin-rise-does-not-modify-the-prognosis-in-elderly-patients-with-hip-fracture
#13
Hélène Vallet, Alice Breining, Yannick Le Manach, Judith Cohen-Bittan, Anthony Mézière, Mathieu Raux, Marc Verny, Bruno Riou, Frédéric Khiami, Jacques Boddaert
Perioperative myocardial infarction remains a life-threatening complication in noncardiac surgery and even an isolated troponin rise (ITR) is associated with significant mortality. Our aim was to assess the prognostic value of ITR in elderly patients with hip fracture.In this cohort study, all patients admitted between 2009 and 2013 in our dedicated geriatric postoperative unit after hip fracture surgery with a cardiac troponin I determination were included and divided into Control, ITR, and acute coronary syndrome (ACS) groups...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28207428/il-37-ameliorates-coxsackievirus-b3-induced-viral-myocarditis-by-modulating-the-th17-treg-immune-response
#14
Bang An, Xuefei Liu, Ge Li, Haitao Yuan
Myocarditis is a heterogeneous group of disorders defined by inflammation of the heart muscle with an excessively activated immune response. Numerous interventions have been investigated for the treatment of myocarditis while success is limited. Interleukin-37 (IL-37), a novel member of the IL-1 cytokine family, is a natural inhibitor of innate immunity associated with autoimmune diseases. However, the modulatory effect of IL-37 in myocarditis is unknown. In this study, we investigated the immunological regulation of IL-37 in the coxsackievirus B3-induced model of murine viral myocarditis...
February 14, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28205608/blockage-of-transient-receptor-potential-vanilloid-4-alleviates-myocardial-ischemia-reperfusion-injury-in-mice
#15
Qian Dong, Jing Li, Qiong-Feng Wu, Ning Zhao, Cheng Qian, Dan Ding, Bin-Bin Wang, Lei Chen, Ke-Fang Guo, Dehao Fu, Bing Han, Yu-Hua Liao, Yi-Mei Du
Transient receptor potential vanilloid 4 (TRPV4) is a Ca(2+)-permeable nonselective cation channel and can be activated during ischemia/reperfusion (I/R). This study tested whether blockade of TRPV4 can alleviate myocardial I/R injury in mice. TRPV4 expression began to increase at 1 h, reached statistically at 4 h, and peaked at 24-72 h. Treatment with the selective TRPV4 antagonist HC-067047 or TRPV4 knockout markedly ameliorated myocardial I/R injury as demonstrated by reduced infarct size, decreased troponin T levels and improved cardiac function at 24 h after reperfusion...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28199174/role-of-troponins-i-and-t-and-n-terminal-prohormone-of-brain-natriuretic-peptide-in-monitoring-cardiac-safety-of-patients-with-early-stage-human-epidermal-growth-factor-receptor-2-positive-breast-cancer-receiving-trastuzumab-a-herceptin-adjuvant-study-cardiac
#16
Dimitrios Zardavas, Thomas M Suter, Dirk J Van Veldhuisen, Jutta Steinseifer, Johannes Noe, Sabine Lauer, Nedal Al-Sakaff, Martine J Piccart-Gebhart, Evandro de Azambuja
Purpose Women receiving trastuzumab with chemotherapy are at risk for trastuzumab-related cardiac dysfunction (TRCD). We explored the prognostic value of cardiac markers (troponins I and T, N-terminal prohormone of brain natriuretic peptide [NT-proBNP]) to predict baseline susceptibility to develop TRCD. We examined whether development of cardiac end points or significant left ventricular ejection fraction (LVEF) drop was associated with markers' increases. Patients and Methods Cardiac marker assessments were coupled with LVEF measurements at different time points for 533 patients from the Herceptin Adjuvant (HERA) study who agreed to participate in this study...
October 23, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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
#17
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/28197283/the-impact-of-different-plasma-glucose-levels-on-heart-rate-in-experimental-rats-with-acute-myocardial-infarction
#18
Guo-Zhong Pan, Jing Xie, Xiao-Fang Tian, Shi-Wei Yang, Yu-Jie Zhou
BACKGROUND: The aim of the study was to evaluate the impact of different plasma glucose levels on heart rate (HR) in experimental rats with acute myocardial infarction (AMI). METHODS: One hundred and twenty-one male Wistar rats were randomly divided into AMI group (n = 70) and sham-operation group (n = 51). Both groups had low, normal and high glucose levels, respectively. In the former group, hypertonic glucose was injected into the rats to make their blood glucose levels above 16 mmol/L and insulin below 3...
August 2016: Cardiology Research
https://www.readbyqxmd.com/read/28196874/prospective-evaluation-of-sunitinib-induced-cardiotoxicity-in-patients-with-metastatic-renal-cell-carcinoma
#19
Vivek Narayan, Stephen M Keefe, Naomi Haas, Le Wang, Igor Puzanov, Mary E Putt, Anna Catino, James Fang, Neeraj Agarwal, David Hyman, Amanda M Smith, Brian S Finkelman, Hari K Narayan, Steven Ewer, Chantal ElAmm, Daniel J Lenihan, Bonnie Ky
PURPOSE: To prospectively evaluate cardiotoxicity risk with sunitinib in metastatic renal cell carcinoma (mRCC) routine clinical practice using comprehensive echocardiography and biomarker phenotyping. PATIENTS AND METHODS: In a multi-center prospective study of 90 mRCC patients, echocardiography and biomarkers of cardiovascular injury and stress were quantified at baseline, 3.5, 15, and 33 weeks following sunitinib initiation. These "on-drug" visits corresponded to cycles 1, 3, and 6, respectively...
February 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28196196/identification-of-transthyretin-cardiac-amyloidosis-using-serum-retinol-binding-protein-4-and-a-clinical-prediction-model
#20
Marios Arvanitis, Clarissa M Koch, Gloria G Chan, Celia Torres-Arancivia, Michael P LaValley, Daniel R Jacobson, John L Berk, Lawreen H Connors, Frederick L Ruberg
Importance: Transthyretin cardiac amyloidosis (ATTR) is an underrecognized cause of heart failure (HF) in older individuals, owing in part to difficulty in diagnosis. ATTR can result from substitution of valine for isoleucine at codon 122 of the transthyretin (TTR) gene (V122I), present in 3.43% of African American individuals. Objective: To examine whether serum retinol-binding protein 4 (RBP4), an endogenous TTR ligand, could be used as a diagnostic test for ATTR V122I amyloidosis...
February 8, 2017: JAMA Cardiology
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