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troponin I heart failure

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https://www.readbyqxmd.com/read/28739197/type-1-and-2-myocardial-infarction-and-myocardial-injury-clinical-transition-to-high-sensitivity-cardiac-troponin-i
#1
Yader Sandoval, Stephen W Smith, Anne Sexter, Sarah E Thordsen, Charles A Bruen, Michelle D Carlson, Kenneth W Dodd, Brian E Driver, Yan Hu, Katherine Jacoby, Benjamin K Johnson, Sara A Love, Johanna C Moore, Karen Schulz, Nathaniel L Scott, Fred S Apple
BACKGROUND: Studies addressing patients with type 2 myocardial infarction and myocardial injury, including the impact of using high-sensitivity (hs) cardiac troponin (cTn) assays on their incidence are needed. METHODS: Prospective, observational US cohort study. Consecutive emergency department patients with serial cTnI measurements. Outcomes included 180-day mortality and major adverse cardiac events, including 2-year follow-up for those with myonecrosis. RESULTS: Among 1,640 patients, using a contemporary cTnI assay, 30% (n=497) had ≥1 cTnI >99(th) percentile; with 4...
July 21, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28734620/treatment-of-dogs-with-compensated-myxomatous-mitral-valve-disease-with-spironolactone-a-pilot-study
#2
M J Hezzell, A Boswood, J López-Alvarez, N Lötter, J Elliott
OBJECTIVES: Spironolactone improves outcome in dogs with advanced myxomatous mitral valve disease (MMVD). Its efficacy in preclinical MMVD is unknown. The hypothesis was the administration of spironolactone to dogs with compensated MMVD demonstrating risk factors for poorer prognosis will decrease the rate of disease progression. The aim was to provide pilot data to evaluate preliminary effects and sample size calculation for a definitive clinical trial. ANIMALS: Twenty-five client-owned dogs with MMVD with at least one of the following; left atrial to aortic ratio (LA:Ao) ≥ 1...
July 19, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28728851/predictors-of-incident-heart-failure-in-patients-after-an-acute-coronary-syndrome-the-lipid-heart-failure-risk-prediction-model
#3
Andrea Driscoll, Elizabeth H Barnes, Stefan Blankenberg, David M Colquhoun, David Hunt, Paul J Nestel, Ralph A Stewart, Malcolm J West, Harvey D White, John Simes, Andrew Tonkin
BACKGROUND: Coronary heart disease is a major cause of heart failure. Availability of risk-prediction models that include both clinical parameters and biomarkers is limited. We aimed to develop such a model for prediction of incident heart failure. METHODS: A multivariable risk-factor model was developed for prediction of first occurrence of heart failure death or hospitalization. A simplified risk score was derived that enabled subjects to be grouped into categories of 5-year risk varying from <5% to >20%...
June 30, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28719490/identification-of-hypotensive-emergency-department-patients-with-cardiogenic-etiologies
#4
Daniel J Henning, Kathleen E Kearney, M Kennedy Hall, Claudius Mahr, Nathan I Shapiro, Graham Nichol
OBJECTIVE: Identify predictors of cardiogenic etiology among Emergency Department (ED) patients with hypotension, and use these predictors to create a clinical tool to discern cardiogenic etiology of hypotension. METHODS: This secondary analysis evaluated a prospective cohort of consecutive patients with hypotension in an urban, academic, tertiary care ED from November 2012 to September 2013. We included adults with hypotension, defined as a new vasopressor requirement, systolic blood pressure (SBP) < 90 mmHg after at least 1L of crystalloid or 2 units packed red blood cells, or SBP < 90 mmHg and fluids withheld due to concern for fluid overload...
July 17, 2017: Shock
https://www.readbyqxmd.com/read/28714947/long-term-systolic-function-in-children-and-young-adults-after-hematopoietic-stem-cell-transplant
#5
S J Rotz, C E Dandoy, M D Taylor, S Jodele, J L Jefferies, A Lane, J A El-Bietar, A W Powell, S M Davies, T D Ryan
Congestive heart failure and subclinical left ventricular systolic dysfunction (LVSD) affect long-term survivors of hematopoietic stem cell transplant (HSCT). Echocardiographic measurements of global longitudinal and circumferential strain have shown promise in identifying subclinical LVSD in cancer survivors. We analyzed echocardiograms in 95 children and young adults with malignancies or bone marrow failure syndromes performed before HSCT and 1-6 years after HSCT. We additionally measured the biomarkers soluble suppression of tumorigenicity-2 (sST-2) and cardiac troponin-I (cTn-I) in the same children through 49 days post HSCT...
July 17, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28689634/impact-of-the-australian-gender-specific-thresholds-using-the-abbott-high-sensitivity-troponin-i-assay-in-clinical-care
#6
Robert Bender, Faith Njue, Samuel Vasikaran, Ramon Lambert, Jamie Rankin, Graham S Hillis, Damon A Bell
The aim of this study was to ascertain the impact of gender specific hs-TnI thresholds in a clinical setting and determine the clinical characteristics and discharge diagnosis for individuals presenting to the Emergency Department (ED) with elevated troponin I with the Abbott high-sensitivity troponin I (hs-TnI) assay, but non-elevated troponin I on the previous generation assay (STAT TnI-II). Medical records of individuals presenting to the Royal Perth Hospital ED with elevated hs-TnI between 12 November 2013 and 24 December 2013 were retrospectively reviewed...
August 2017: Pathology
https://www.readbyqxmd.com/read/28630342/autoantibody-profiling-on-a-plasmonic-nano-gold-chip-for-the-early-detection-of-hypertensive-heart-disease
#7
Xiaoyang Li, Tatiana Kuznetsova, Nicholas Cauwenberghs, Matthew Wheeler, Holden Maecker, Joseph C Wu, Francois Haddad, Hongjie Dai
The role of autoimmunity in cardiovascular (CV) diseases has been increasingly recognized. Autoimmunity is most commonly examined by the levels of circulating autoantibodies in clinical practices. Measurement of autoantibodies remains, however, challenging because of the deficiency of reproducible, sensitive, and standardized assays. The lack of multiplexed assays also limits the potential to identify a CV-specific autoantibody profile. To overcome these challenges, we developed a nanotechnology-based plasmonic gold chip for autoantibody profiling...
July 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28627225/the-relationships-between-bnp-and-neurocardiac-injury-severity-noninvasive-cardiac-output-and-outcomes-after-aneurysmal-subarachnoid-hemorrhage
#8
Amber McAteer, Marilyn Hravnak, Yuefang Chang, Elizabeth A Crago, Matthew J Gallek, Khalil M Yousef
INTRODUCTION: Neurocardiac injury, a type of myocardial dysfunction associated with neurological insult to the brain, occurs in 31-48% of aneurysmal subarachnoid hemorrhage (aSAH) patients. Cardiac troponin I (cTnI) is commonly used to diagnose neurocardiac injury. Brain natriuretic peptide (BNP), another cardiac marker, is more often used to evaluate degree of heart failure. The purpose of this study was to examine the relationships between BNP and (a) neurocardiac injury severity according to cTnI, (b) noninvasive continuous cardiac output (NCCO), and (c) outcomes in aSAH patients...
January 1, 2017: Biological Research for Nursing
https://www.readbyqxmd.com/read/28619659/effects-of-canagliflozin-on-cardiovascular-biomarkers-in-older-adults-with-type-2-diabetes
#9
James L Januzzi, Javed Butler, Petr Jarolim, Naveed Sattar, Ujjwala Vijapurkar, Mehul Desai, Michael J Davies
BACKGROUND: Sodium glucose co-transporter 2 (SGLT2) inhibitors may reduce cardiovascular and heart failure risk in patients with type 2 diabetes mellitus (T2DM). OBJECTIVES: To examine the effects of canagliflozin on cardiovascular biomarkers in older patients with T2DM. METHODS: In 666 T2DM patients randomized to receive canagliflozin 100 or 300 mg or placebo, we assessed median percent change in serum N-terminal pro-B type natriuretic peptide (NT-proBNP), high-sensitivity troponin I (hsTnI) , soluble (s)ST2, and galectin-3 from baseline to 26, 52, and 104 weeks...
June 9, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28588675/fragmented-qrs-complex-is-a-prognostic-marker-of-microvascular-reperfusion-and-changes-in-lv-function-occur-in-patients-with-st-elevation-myocardial-infarction-who-underwent-primary-percutaneous-coronary-intervention
#10
Ruoxi Zhang, Shuyuan Chen, Qi Zhao, Meng Sun, Bo Yu, Jingbo Hou
The present study aimed to investigate the in-hospital and long-term prognostic value of fragmented QRS complex (fQRS) for microvascular reperfusion and changes in left ventricular (LV) function in patients with ST elevation myocardial infarction (STEMI) who underwent primary percutaneous coronary intervention (PCI). A total of 216 patients with STEMI undergoing primary PCI were included in the current study. Patients were divided into two groups based on the presence (n=126) or absence (n=90) of fQRS following electrocardiograms (ECGs) on admission...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28587952/the-effect-of-trimetazidine-treatment-in-patients-with-type-2-diabetes-undergoing-percutaneous-coronary-intervention-for-acute-myocardial-infarction
#11
Runjun Li, Xiuying Tang, Quanmin Jing, Qingsheng Wang, Meihong Yang, Xiaoyu Han, Jiayu Zhao, Xiangyou Yu
PURPOSE: Trimetazidine (TMZ) improves clinical outcomes in patients with chronic heart failure and stable coronary artery disease. No study has yet evaluated the efficacy of TMZ in type 2 diabetes patients with acute myocardial infarction (AMI) undergoing Percutaneous Coronary Intervention (PCI). We performed this study to evaluate the efficacy TMZ in DM patients with AMI undergoing PCI, such as the effect on reductions in myocardial enzyme, improvements in liver function, modulation of glucose levels, and improvement in cardiac function...
May 23, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28587770/functional-communication-between-pkc-targeted-cardiac-troponin-i-phosphorylation-sites
#12
Sarah E Lang, Tamara K Stevenson, Tabea M Schatz, Brandon J Biesiadecki, Margaret V Westfall
Increased protein kinase C (PKC) activity is associated with heart failure, and can target multiple cardiac troponin I (cTnI) residues in myocytes, including S23/24, S43/45 and T144. In earlier studies, cTnI-S43D and/or -S45D augmented S23/24 and T144 phosphorylation, which suggested there is communication between clusters. This communication is now explored by evaluating the impact of phospho-mimetic cTnI S43/45D combined with S23/24D (cTnIS4D) or T144D (cTnISDTD). Gene transfer of epitope-tagged cTnIS4D and cTnISDTD into adult cardiac myocytes progressively replaced endogenous cTnI...
August 1, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28523165/plasma-levels-of-matrix-metalloproteinase-9-in-patients-undergoing-off-pump-coronary-artery-bypass-grafting
#13
Haiqing Li, Zhize Yuan, Sen Li, Quan Qi, Jun Liu, Mi Zhou, Junfeng Cai, Anqing Chen, Zhe Wang, Xiaofeng Ye, Qiang Zhao
BACKGROUND: Matrix metalloproteinase 9 (MMP9) has recently emerged as a risk predictor in patients with cardiovascular diseases. However, little is known about the significance of increased plasma MMP9 in patients with perioperative myocardial injury. We aimed to investigate the role of MMP9 in the occurrence of myocardial injury during off-pump coronary artery bypass grafting (OPCAB). METHODS: A total of 34 consecutive patients with coronary artery diseases (CAD) were recruited in this prospective, observational study...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28451444/shared-biomarkers-between-female-diastolic-heart-failure-and-pre-eclampsia-a-systematic-review-and-meta-analysis
#14
REVIEW
Lisa J Alma, Anouk Bokslag, Angela H E M Maas, Arie Franx, Walter J Paulus, Christianne J M de Groot
Evidence accumulates for associations between hypertensive pregnancy disorders and increased cardiovascular risk later. The main goal of this study was to explore shared biomarkers representing common pathogenic pathways between heart failure with preserved ejection fraction (HFpEF) and pre-eclampsia where these biomarkers might be potentially eligible for cardiovascular risk stratification in women after hypertensive pregnancy disorders. We sought for blood markers in women with diastolic dysfunction in a first literature search, and through a second search, we investigated whether these same biochemical markers were present in pre-eclampsia...
May 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28442930/thoracic-epidural-analgesia-reduces-myocardial-injury-in-ischemic-patients-undergoing-major-abdominal-cancer-surgery
#15
Mohamad Farouk Mohamad, Montaser A Mohammad, Diab F Hetta, Eman Hasan Ahmed, Ahmed A Obiedallah, Alaa Ali M Elzohry
BACKGROUND AND OBJECTIVES: Major abdominal cancer surgeries are associated with significant perioperative mortality and morbidity due to myocardial ischemia and infarction. This study examined the effect of perioperative patient controlled epidural analgesia (PCEA) on occurrence of ischemic cardiac injury in ischemic patients undergoing major abdominal cancer surgery. PATIENTS AND METHODS: One hundred and twenty patients (American Society of Anesthesiologists grade II and III) of either sex were scheduled for elective upper gastrointestinal cancer surgeries...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28421779/oral-glutamine-reduces-myocardial-damage-after-coronary-revascularization-under-cardiopulmonary-bypass-a-randomized-clinical-trial
#16
Mariana Chávez-Tostado, Fernando Carrillo-Llamas, Porfirio Eduardo Martínez-Gutiérrez, Araceli Alvarado-Ramírez, Jaime Gilberto López-Taylor, José Clemente Vásquez-Jiménez, Clotilde Fuentes-Orozco, Jorge Rendón-Félix, Leire Irusteta-Jiménez, Vanessa Carolina Calil-Romero, José Antonio Ramírez-Jiménez, Luis Rodrigo Michel-Espinoza, Carmen Karina Contreras-López, Lizbeth Araceli Cuesta-Márquez, Alejandro González-Ojeda
BACKGROUND: Glutamine is the most abundant free amino acid in the body. It modulates immune cell function and is an important energy substrate for cells in critically ill patients. Reduction of injury cardiac markers had been observed in patients receiving intravenous glutamine and in a pilot study with oral glutamine. The aim of this study was to analyze the effect of preoperative oral supplementation of glutamine on postoperative serum levels of cardiac injury markers. METHODS: A randomized clinical trial was performed in 28 Mexican patients with ischemic heart disease who underwent cardiopulmonary bypass with extracorporeal circulation...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28420138/adjustment-of-dysregulated-ceramide-metabolism-in-a-murine-model-of-sepsis-induced-cardiac-dysfunction
#17
Ha-Yeun Chung, Anna S Kollmey, Andrea Schrepper, Matthias Kohl, Markus F Bläss, Sebastian N Stehr, Amelie Lupp, Markus H Gräler, Ralf A Claus
Cardiac dysfunction, in particular of the left ventricle, is a common and early event in sepsis, and is strongly associated with an increase in patients' mortality. Acid sphingomyelinase (SMPD1)-the principal regulator for rapid and transient generation of the lipid mediator ceramide-is involved in both the regulation of host response in sepsis as well as in the pathogenesis of chronic heart failure. This study determined the degree and the potential role to which SMPD1 and its modulation affect sepsis-induced cardiomyopathy using both genetically deficient and pharmacologically-treated animals in a polymicrobial sepsis model...
April 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28398455/systematic-evaluation-of-endothelin-1-measurement-relative-to-traditional-and-modern-biomarkers-for-clinical-assessment-and-prognosis-in-patients-with-chronic-systolic-heart-failure-serial-measurement-and-multimarker-testing
#18
Hanna K Gaggin, Quynh A Truong, Parul U Gandhi, Shweta R Motiwala, Arianna M Belcher, Rory B Weiner, Aaron L Baggish, James L Januzzi
Objectives: To define the role of single or serial measurement of endothelin 1 (ET-1) for prognostication beyond traditional and modern markers of risk in heart failure (HF). Methods: In total, 115 patients with chronic systolic HF were followed for 10 months. Clinical assessment and ET-1, N-terminal pro-B-type natriuretic peptide (NT-proBNP), highly sensitive troponin I (hsTnI), soluble ST2 (sST2), and galectin 3 were measured at each visit. Results: Elevated ET-1 was associated with worse HF, lower right ventricular function, higher pulmonary pressure, and higher left atrial volume index despite similar left ventricular function...
April 7, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28395979/interest-of-colchicine-in-the-treatment-of-acute-myocardial-infarct-responsible-for-heart-failure-in-a-mouse-model
#19
Mariama Akodad, Jérémy Fauconnier, Pierre Sicard, Fabien Huet, Florence Blandel, Annick Bourret, Pascal de Santa Barbara, Sylvain Aguilhon, Marion LeGall, Gérald Hugon, Alain Lacampagne, François Roubille
BACKGROUND: Inflammation is deeply involved in the pathophysiology of ischemia-reperfusion (I/R) lesions and ventricular remodeling due to an acute myocardial infarction (AMI). Colchicine as a pleiotropic anti-inflammatory molecule may exert cardioprotective effects under acute ischemia. Here, we aimed to evaluate the impact of colchicine on reperfusion injury in a mouse model. METHOD: Myocardial ischemia/reperfusion (I/R) injury was induced in C57BL/6 male mice, after 45min ligation of the left coronary artery followed by reperfusion...
April 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28394002/supplementation-with-omega-3-acids-after-myocardial-infarction-and-modification-of-inflammatory-markers-in-light-of-the-patients-diet-a-preliminary-study
#20
Magdalena Makarewicz-Wujec, Gabriela Parol, Andrzej Parzonko, Małgorzata Kozłowska-Wojciechowska
BACKGROUND: Neuroendocrine activation, activation of proinflammatory cytokines and platelets, and endothelial dysfunction play a significant role in development of heart failure. AIM: The aim of the work was to assess the effect of supplementation with EPA and DHA in adaily dose of 1g on selected inflammatory markers and platelet activation in patients with heart failure after recent myocardial infarction in light of their diet. M ETHODS: This preliminary study was arandomised, double-blind trial involving 30patients with post-infarction heart failure...
April 10, 2017: Kardiologia Polska
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