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Acute myocardial infarction

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https://www.readbyqxmd.com/read/28531328/factors-associated-with-compliance-to-aha-acc-performance-measures-in-a-myocardial-infarction-system-of-care-in-brazil
#1
Maria Letícia L Lana, Andrea Z Beaton, Luisa C C Brant, Isadora C R S Bozzi, Osias de Magalhães, Luiz Ricardo de A Castro, Francisco César T da Silva Júnior, José Luiz P da Silva, Antonio Luiz P Ribeiro, Bruno R Nascimento
Objective: To evaluate compliance with American Heart Association/American College of Cardiology (AHA/ACC) performance measures for adults with acute myocardial infarction (AMI) and to investigate the factors associated with compliance, in an AMI System of Care in Brazil. Design: Observational longitudinal study. Setting: A high-complexity University Hospital, part of the AMI System of Care implemented in Belo Horizonte, Brazil, in 2010. Participants: Of note, 1129 patients with ST-elevation myocardial infarction (STEMI) and non-ST-elevation myocardial infarction (NSTEMI) admitted to a single center over 36 months (between 2011 and 2014)...
May 20, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28530518/antiplatelet-therapy-and-clinical-outcomes-following-myocardial-infarction-among-patients-in-a-u-s-employer-based-insurance-database
#2
Mehul D Patel, David Wu, Monica Reed Chase, Panagiotis Mavros, Kim Heithoff, Mary E Hanson, Ross J Simpson
BACKGROUND: Estimates of residual cardiovascular risks among patients who have experienced a recent acute myocardial infarction (MI) are predominantly derived from secondary prevention trial populations, patient registries, and population-based cohorts. OBJECTIVE: To generate real-world evidence of antiplatelet treatment and recurrent events following MI in patients on antiplatelet treatment among commercial, employer-based insured patients in a large administrative database...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28529306/normalization-of-diffuse-st-depression-with-avr-elevation-after-rehydration-in-a-patient-with-severe-aortic-stenosis
#3
Sachin R Patel, Vikas J Patel, Brittany Clark, George Rust
BACKGROUND Isolated ST elevation in lead aVR in combination with global ST depression with normalization after rehydration is a unique electrocardiographic pattern that is associated with a broad range of diagnoses. Its association with left main coronary artery disease and other acute coronary syndromes suggest the need for early and aggressive cardiac evaluation. CASE REPORT A 53-year-old man presented with altered mental status and loss of consciousness. He was unresponsive, hypotensive, tachycardiac, and diaphoretic...
May 22, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28529096/-the-changing-sex-differences-in-life-expectancy-in-spain-1980-2012-decomposition-by-age-and-cause
#4
Juan Manuel García González, Rafael Grande
OBJECTIVE: To calculate and analyse the contributions of changes in mortality by age groups and selected causes of death to sex differences in life expectancy at birth in Spain from 1980 to 2012. METHODS: Cross-sectional study with three time points (1980, 1995, and 2012). We used data from Human Cause-of-Death Database and Human Mortality Database. We use a decomposition method of the differences in life expectancy and gender differences in life expectancy from changes in mortality by 5-year age groups and causes of death between women and men...
May 19, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28529093/revascularization-methods-in-spontaneous-coronary-artery-dissection-a-focused-review
#5
REVIEW
Regina Lee, Itsik Ben-Dor
Spontaneous coronary artery dissection (SCAD) is becoming widely recognized as an important cause of myocardial infarction, particularly in younger women. Tendency toward conservative management has been primarily based on observational data. Intervention is recommended when coronary blood flow is compromised and high risk features such as left main involvement, ongoing ischemia, or hemodynamic or electrical instability are present. Unlike the atherosclerotic process where the superiority of stenting compared with plain old balloon angioplasty has been established in the acute setting, randomized studies for revascularization strategies for spontaneous coronary dissection are currently lacking...
May 12, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28529092/correlation-and-prognostic-role-of-neutrophil-to-lymphocyte-ratio-and-syntax-score-in-patients-with-acute-myocardial-infarction-treated-with-percutaneous-coronary-intervention-a-six-year-experience
#6
Marco Zuin, Gianluca Rigatelli, Claudio Picariello, Fabio dell'Avvocata, Lina Marcantoni, Gianni Pastore, Mauro Carraro, Aravinda Nanjundappa, Giuseppe Faggian, Loris Roncon
BACKGROUND/PURPOSE: The neutrophil/lymphocyte ratio (NLR) has been proposed as a prognostic marker in acute myocardial infarction (AMI). The aim of our study is to demonstrates the correlation between SYNTAX score (SXs) and NLR and its association with 1-year cardiovascular (CV) mortality in patients with ST-segment elevation myocardial infarction (STEMI) or non-ST-segment elevation myocardial infarction (NSTEMI) treated with percutaneous coronary intervention (PCI). METHODS/MATERIALS: Over 6 consecutive years, (1st January 2010 and 1st January 2016) 6560 patients (4841 males and 1719 females, mean age 64...
May 12, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28528983/glycocalyx-shedding-is-markedly-increased-during-the-acute-phase-of-takotsubo-cardiomyopathy
#7
Thanh H Nguyen, Saifei Liu, Gao J Ong, Irene Stafford, Michael P Frenneaux, John D Horowitz
BACKGROUND: Acute myocardial infarction (AMI) and other forms of myocardial acute oxidative stress are associated with variable "shedding" of the endothelial glycocalyx (GCS) which can be quantitated ex vivo by release into plasma of glycocalyx components such as Syndecan-1 (SD-1). Previous studies have implicated release of both catecholamines and BNP as potential accentuating factors in GCS: since these are prominent aspects of the pathogenesis of Takotsubo cardiomyopathy (TTC), we hypothesised that TTC is associated with increased GCS and the extent of GCS is predictable on the basis of NT-proBNP and catecholamine releases...
April 28, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28528882/mortality-and-atrial-fibrillation-in-the-fiaca-study-evidence-of-a-differential-effect-according-to-admission-diagnosis
#8
Francisco Guillermo Clavel-Ruipérez, Luciano Consuegra-Sánchez, Francisco Javier Félix Redondo, Luis Lozano Mera, Pedro Mellado-Delgado, Juan José Martínez-Díaz, José Ramón López Mínguez, Daniel Fernández-Bergés
INTRODUCTION AND OBJECTIVES: Atrial fibrillation (AF) is an independent risk factor for mortality in several diseases. However, data published in acute decompensated heart failure (DHF) are contradictory. Our objective was to investigate the impact of AF on mortality in patients admitted to hospital for DHF compared with those admitted for other reasons. METHODS: This retrospective cohort study included all patients admitted to hospital within a 10-year period due to DHF, acute myocardial infarction (AMI), or ischemic stroke (IS), with a median follow-up of 6...
May 18, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28528430/risk-classification-of-highly-sensitive-troponin-i-predict-presence-of-vulnerable-plaque-assessed-by-dual-source-coronary-computed-tomography-angiography
#9
Ting Liu, Guan Wang, Peiling Li, Xu Dai
Patients presenting to the emergency department with acute chest pain, negative conventional troponin and electrocardiogram require serial testing to rule out acute coronary syndrome (ACS). We studied the association of highly sensitive troponin (hsTn) I with vulnerable plaque features as detected by coronary dual source computed tomography angiography (DSCTA) and determined whether hsTn I at the time of presentation combined with early DSCTA could improve classification of patients as high-risk or low risk for ACS...
May 20, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28527778/outcomes-in-patients-undergoing-primary%C3%A2-percutaneous-coronary-intervention-for-st-segment-elevation-myocardial-infarction-via-radial-access-anticoagulated-with-bivalirudin-versus%C3%A2-heparin-a-report-from-the-national-cardiovascular-data-registry
#10
Ion S Jovin, Rachit M Shah, Dhavalkumar B Patel, Sunil V Rao, Dmitri V Baklanov, Issam Moussa, Kevin F Kennedy, Eric A Secemsky, Robert W Yeh, Michael C Kontos, George W Vetrovec
OBJECTIVES: The aim of this study was to compare bivalirudin with heparin as anticoagulant agents in patients with ST-segment elevation myocardial infarction treated with radial primary percutaneous coronary intervention (PCI). BACKGROUND: Recent studies in which PCI was performed predominantly via radial access did not show bivalirudin to be superior to heparin. METHODS: Outcomes were compared in patients with STEMI included in the National Cardiovascular Data Registry CathPCI database from 2009 to 2015 who underwent primary PCI via radial access and who were anticoagulated with bivalirudin or heparin...
May 11, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28525971/left-ventricular-mural-thrombus-and-dual-coronary-embolization-associated-with-hyperthyroid-cardiomyopathy-and-atrial-fibrillation-a-case-report
#11
Guohui Liu, Ping Yang, Yuquan He
BACKGROUND: The majority of acute myocardial infarction (AMI) events are caused by thrombotic occlusion of the coronary artery, secondary to atherosclerotic plaque erosion or rupture. However, coronary embolism (CE), while rare, is being increasingly recognized as an important cause of AMI. We present the case of a patient with multi-site coronary artery embolization associated with hyperthyroid-related cardiomyopathy and atrial fibrillation. CASE PRESENTATION: A 49-year-old female with a history of hyperthyroidism and atrial fibrillation (AF) was admitted to our hospital presenting with right upper limb pain and swelling...
May 19, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28524367/transplantation-of-human-villous-trophoblasts-preserves-cardiac-function-in-mice-with-acute-myocardial-infarction
#12
Zegen Wang, Ningzheng Dong, Yayan Niu, Zhiwei Zhang, Ce Zhang, Meng Liu, Tiantian Zhou, Qingyu Wu, Ke Cheng
Over the past decade, cell therapies have provided promising strategies for the treatment of ischaemic cardiomyopathy. Particularly, the beneficial effects of stem cells, including bone marrow stem cells (BMSCs), endothelial progenitor cells (EPCs), mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and induced pluripotent stem cells (iPSCs), have been demonstrated by substantial preclinical and clinical studies. Nevertheless stem cell therapy is not always safe and effective. Hence, there is an urgent need for alternative sources of cells to promote cardiac regeneration...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28523947/potentiation-of-trap-6-induced-platelet-dense-granule-release-by-blockade-of-p2y12-signaling-with-mrs2395
#13
Annachiara Mitrugno, Rachel A Rigg, Nicole B Laschober, Anh T P Ngo, Jiaqing Pang, Craig D Williams, Joseph E Aslan, Owen J T McCarty
The release of ADP from platelet dense granules and its binding to platelet P2Y12 receptors is key to amplifying the initial hemostatic response and propagating thrombus formation. P2Y12 has thus emerged as a therapeutic target to safely and effectively prevent secondary thrombotic events in patients with acute coronary syndrome or a history of myocardial infarction. Pharmacological inhibition of P2Y12 receptors represents a useful approach to better understand the signaling mediated by these receptors and to elucidate the role of these receptors in a multitude of platelet hemostatic and thrombotic responses...
May 19, 2017: Platelets
https://www.readbyqxmd.com/read/28523822/development-of-a-novel-flow-cytometric-immunobead-array-to-quantify-vwf-ag-and-vwf-gpibr-and-its-application-in-acute-myocardial-infarction
#14
Bin Yan, Mengqiao Xu, Yunxiao Zhao, Haijun Guo, Lijun Xia, Changgeng Ruan, Yiming Zhao
OBJECTIVES: Both von Willebrand disease (VWD) and acute myocardial infarction (AMI) involve quantitative and qualitative changes in von Willebrand factor (VWF). Our objective was to develop a rapid and precise flow cytometric immunobead array (FCIA) to quantify VWF antigen (VWF:Ag) and ristocetin-triggered platelet glycoprotein Ib binding (VWF:GPIbR), and apply it in a clinical setting. METHODS: Microbeads, coated with monoclonal antibodies for SZ29 or SZ151 IgG, were incubated with diluted plasma...
May 18, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28522730/11%C3%AE-hsd1-suppresses-cardiac-fibroblast-cxcl2-cxcl5-and-neutrophil-recruitment-to-the-heart-post-mi
#15
Katie J Mylonas, Neil A Turner, Sumia A Bageghni, Christopher J Kenyon, Christopher I White, Kieran McGregor, Robert A Kimmitt, Richard Sulston, Valerie Kelly, Brian R Walker, Karen E Porter, Karen E Chapman, Gillian A Gray
We have previously demonstrated that neutrophil recruitment to the heart following myocardial infarction (MI) is enhanced in mice lacking 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) that regenerates active glucocorticoid within cells from intrinsically inert metabolites. The present study aimed to identify the mechanism of regulation. In a mouse model of MI, neutrophil mobilization to blood and recruitment to the heart were higher in 11β-HSD1-deficient (Hsd11b1(-)(/)(-) ) relative to wild-type (WT) mice, despite similar initial injury and circulating glucocorticoid...
June 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28521888/clinical-significance-of-lipid-rich-plaque%C3%A2-detected-by-optical-coherence%C3%A2-tomography-a%C3%A2-4-year-follow-up-study
#16
Lei Xing, Takumi Higuma, Zhao Wang, Aaron D Aguirre, Kyoichi Mizuno, Masamichi Takano, Harold L Dauerman, Seung-Jung Park, Yangsoo Jang, Chong-Jin Kim, Soo-Joong Kim, So-Yeon Choi, Tomonori Itoh, Shiro Uemura, Harry Lowe, Darren L Walters, Peter Barlis, Stephen Lee, Amir Lerman, Catalin Toma, Jack Wei Chieh Tan, Erika Yamamoto, Krzysztof Bryniarski, Jiannan Dai, Thomas Zanchin, Shaosong Zhang, Bo Yu, Hang Lee, James Fujimoto, Valentin Fuster, Ik-Kyung Jang
BACKGROUND: Lipid-rich plaque (LRP) is thought to be a precursor to cardiac events. However, its clinical significance in coronary arteries has never been systematically investigated. OBJECTIVES: This study investigated the prevalence and clinical significance of LRP in the nonculprit region of the target vessel in patients undergoing percutaneous coronary intervention (PCI). METHODS: The study included 1,474 patients from 20 sites across 6 countries undergoing PCI, who had optical coherence tomography (OCT) imaging of the target vessel...
May 23, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28520548/intracoronary-hypothermia-before-reperfusion-to-reduce-reperfusion-injury-in-acute-myocardial-infarction-a-novel-hypothesis-and-technique
#17
Luuk C Otterspoor, Lokien X van Nunen, Marcel van 't Veer, Nils P Johnson, Nico H J Pijls
Because current reperfusion strategies in acute myocardial infarction (AMI) seem to be exhausted in terms of additional mortality benefit, there remains a need for new methods to attenuate reperfusion injury and, thereby, further reduce myocardial infarct size and improve long-term survival. Therapeutic hypothermia (32-35°C) diminishes reperfusion injury and reduces infarct size in a variety of animal models of AMI if provided before reperfusion. In human studies this reduction has not been confirmed so far, most likely because systemic cooling acts slowly, and therefore, the target temperature is not reached in time or at all in a substantial number of patients...
May 18, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/28520537/anomalous-origin-of-right-coronary-artery-from-left-coronary-sinus-13-cases-treated-with-the-reimplantation-technique
#18
Alain Cubero, Alejandro Crespo, Gadah Hamzeh, Andrés Cortes, Daniel Rivas, José Ignacio Aramendi
OBJECTIVES: Anomalous aortic origin of a coronary artery is uncommon but potentially clinically significant. Manifestations vary from asymptomatic patients to those who present with angina pectoris, myocardial infarction, heart failure, syncope, arrhythmias, and sudden death. We describe our experience with surgical reimplantation and results at midterm follow-up. METHODS: Between February 2003 and July 2016, a total of 13 patients with anomalous origin of the right coronary artery (RCA) from the left sinus underwent surgical reimplantation...
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28520469/carotid-versus-coronary-atherosclerosis-burdens-in-acute-compared-with-chronic-symptomatic-coronary-artery-disease
#19
Stéphanie LeBlanc, Karine Bibeau, Olivier F Bertrand, Valérie Lévesque, Béatrice Deschênes St-Pierre, Philippe Pibarot, Jean-Pierre Després, Eric Larose
Prediction of coronary events remains elusive. Carotid atherosclerosis may be a surrogate for coronary risk, as carotid and coronary diseases occur simultaneously - albeit at times with a weak association - depending on clinical presentation. We investigated carotid and coronary atherosclerosis in men with new-onset unstable coronary artery disease (CAD) presenting with acute ST-segment elevation myocardial infarction (STEMI) vs. long-standing severe chronic stable angina (CSA). Bilateral carotid artery and 3-vessel coronary artery atherosclerosis burdens were measured within 1 month, respectively, by 3D-volumetric carotid magnetic resonance imaging and coronary angiography-derived modified CASS-50 score...
May 18, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28516505/associations-between-nursing-home-performance-and-hospital-30-day-readmissions-for-acute-myocardial-infarction-heart-failure-and-pneumonia-at-the-healthcare-community-level-in-the-united-states
#20
Michelle M Pandolfi, Yun Wang, Ann Spenard, Florence Johnson, Alice Bonner, Shih-Yieh Ho, Timothy Elwell, Anila Bakullari, Deron Galusha, Erica Leifheit-Limson, Judith H Lichtman, Harlan M Krumholz
OBJECTIVES: To evaluate community-specific nursing home performance with community-specific hospital 30-day readmissions for Medicare patients discharged with acute myocardial infarction, heart failure or pneumonia. DESIGN: Cross-sectional study using 2009-2012 hospital risk-standardised 30-day readmission data for Medicare fee-for-service patients hospitalised for all three conditions and nursing home performance data from the Centers for Medicare & Medicaid Services Five-Star Quality Rating System...
May 17, 2017: International Journal of Older People Nursing
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