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Myocardial infarct

Frans Moll, Iris Baumgartner, Michael Jaff, Chuke Nwachuku, Marco Tangelder, Gary Ansel, George Adams, Thomas Zeller, John Rundback, Michael Grosso, Min Lin, Michele F Mercur, Erich Minar
PURPOSE: To report a randomized study that investigated the safety (risk of major bleeds) and potential efficacy of edoxaban, an oral anticoagulant that targets the major components of arterial thrombi, to prevent loss of patency following endovascular treatment (EVT). METHODS: Between February 2012 and June 2014, 203 patients who underwent femoropopliteal EVT were randomized to receive aspirin plus edoxaban or aspirin plus clopidogrel for 3 months in the Edoxaban in Peripheral Arterial Disease (ePAD) study ( ClinicalTrials...
April 2018: Journal of Endovascular Therapy
Zuoyan Wang, Lihui Ren, Na Liu, Jianjun Peng
OBJECTIVE: Because the no-reflow phenomenon in patients with ST- segment elevation myocardial infarction can lead to poor outcomes and early identification of patients at high risk may alter the clinical outcome, we aimed to study possible differences in the predictive utility among hematological parameters for early identification of patients at high risk of the no-reflow phenomenon during the primary percutaneous coronary intervention. METHODS: A total of 612 patients with ST-segment elevation myocardial infarction who underwent primary percutaneous coronary intervention were enrolled...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
Christiaan J M Vrints
No abstract text is available yet for this article.
March 2018: European Heart Journal. Acute Cardiovascular Care
Nikolaos G Frangogiannis
Inflammation plays a crucial role in cardiac repair, but may also extend ischemic injury and contribute to post-infarction remodeling. This review manuscript discusses recent advances in our understanding of the cell biology of the post-infarction inflammatory response. Recently published studies demonstrated that the functional repertoire of inflammatory and reparative cells may extend beyond the roles suggested by traditional teachings. Neutrophils may play an important role in cardiac repair by driving macrophages toward a reparative phenotype...
February 2018: Current Opinion in Physiology
Jian Zhang, Liming Yu, Yinli Xu, Yu Liu, Zhi Li, Xiaodong Xue, Song Wan, Huishan Wang
This article elaborates on cardioprotective action of hypothermia related long noncoding RNA against myocardial infarction through improving mitochondrial function, which preset by J Zhang. Herein, we provide the materials and methods used in that study. And provided the detail of dysregulation of lncRNAs under the treatment of hypothermia. Furthermore, we found that lnc-UIHTC (lncRNA upregulated in hypothermia treated cardiomyocyte, NONHSAT094064) attenuated cardiomyocytes apoptosis in vitro.
April 2018: Data in Brief
Israel Ugalde, Ibrar Anjum, Saberio Lo Presti, Alfonso Tolentino
Acute coronary syndrome usually presents with retrosternal chest pain, nausea, vomiting, sweating, and jaw and arm pain. Some patients only present with neck, epigastric, or ear discomfort. A 47-year-old male with a history of hypertension and coronary artery disease presented to the emergency department complaining of bilateral otalgia. He never felt chest pain, jaw pain, nausea, diaphoresis, or shortness of breath. He had a history of 2 acute coronary events and had a stress test 2 months prior to admission, which was unremarkable...
January 2018: Journal of Investigative Medicine High Impact Case Reports
Emrah Ermis, Serkan Kahraman, Hakan Ucar, Samir Allahverdiyev
Right coronary artery (RCA) originating from the left coronary system is a subtype of single coronary artery (SCA) anomaly, and the origin of RCA as a branch from the left anterior descending artery (LAD) is a very rare variant. A 55-year-old male who had a percutaneous coronary intervention (PCI) history was hospitalized due to acute coronary syndrome. Coronary angiography revealed an aberrant RCA originating from the mid-LAD as well as stent thrombosis. A successful PCI was performed and he was discharged from the hospital three days after the PCI...
February 2018: Intractable & Rare Diseases Research
Shang Wang, Manmohan Singh, Thuy Tien Tran, John Leach, Salavat R Aglyamov, Irina V Larina, James F Martin, Kirill V Larin
Myocardial infarction (MI) leads to cardiomyocyte loss, impaired cardiac function, and heart failure. Molecular genetic analyses of myocardium in mouse models of ischemic heart disease have provided great insight into the mechanisms of heart regeneration, which is promising for novel therapies after MI. Although biomechanical factors are considered an important aspect in cardiomyocyte proliferation, there are limited methods for mechanical assessment of the heart in the mouse MI model. This prevents further understanding the role of tissue biomechanics in cardiac regeneration...
February 1, 2018: Biomedical Optics Express
Zhiwei Wang, Jie Zhang, Guangpu Fan, Hui Zhao, Xu Wang, Jing Zhang, Peide Zhang, Wei Wang
We developed a new method, SUT (Scheme Update on tissue Transparency), to view cardiac microstructures and unveil the molecular changes underlying cardiac diseases. SUT is an effective method to clear whole-hearts from different species. Over the course of 4 - 6 days we obtained transparent whole-layer left ventricular tissues from mice with only an approximate 1% protein loss. In addition, EAL (Electrophoretic Antibody Labeling) was used to achieve fast antibody labeling by electric force, which significantly reduced antibody incubation time from days to hours...
February 1, 2018: Biomedical Optics Express
Hairong Fu, Xiaoshan Li, Jiahua Tan
The main method for the treatment of acute myocardial infarction (AMI) is percutaneous coronary intervention; however percutaneous coronary intervention will induce ischemia/reperfusion (IR) injury, resulting in the loss of cardiac function and cardiomyocyte death. An effective drug to target this condition is necessary. N-isopropylacrylamide and methacrylic acid were used to synthesize drug delivery nanoparticles (NP) containing the natural compound visnagin for IR injury treatment. It was demonstrated that NP containing fluorescein isothiocyanate localized to the site of myocardial IR, and that NP-visnagin treatment induced cardioprotection, reducing the size of the MI and ameliorating cardiac dysfunction through the induction of autophagy and the inhibition of apoptosis...
April 2018: Oncology Letters
Guangtao Yao, Guohai Su, Keqing Li, Bin Li, Hongwei Dong
Objectives: Comparison of Ticagrelor vs clopidogrel in antiplatelet therapeutic effect of acute myocardial infarction patients undergoing percutaneous coronary intervention. Methods: The study focused on 2000 acute myocardial infarction patients undergoing percutaneous coronary intervention (PCI) in our hospital from January 2013 to December 2015. To reduce the formation of acute stent thrombosis caused by clopidogrel resistance, we had two options, one was to double the dosage of clopidogrel, and the other was to substitute ticagrelor for clopidogrel...
December 2017: Saudi Journal of Biological Sciences
Agata Kosobucka, Piotr Michalski, Łukasz Pietrzykowski, Michał Kasprzak, Karolina Obońska, Tomasz Fabiszak, Mirosława Felsmann, Aldona Kubica
Introduction: A substantial subset of patients after myocardial infarction (MI) discontinue pivotal medication early after discharge. In particular, cessation of antiplatelet treatment may lead to catastrophic ischemic events. Thus, adherence to prescribed medication in patients after MI is an issue of medical and social concern. Purpose: The aim of the study was to evaluate the level of adherence to treatment using a newly developed scale in patients after MI treated with percutaneous coronary intervention...
2018: Patient Preference and Adherence
Ayako Uchinaka, Maho Yoshida, Kiyoka Tanaka, Yoshinosuke Hamada, Seiji Mori, Yoshitaka Maeno, Shigeru Miyagawa, Yoshiki Sawa, Kohzo Nagata, Hirofumi Yamamoto, Naomasa Kawaguchi
OBJECTIVE: Left ventricular (LV) remodeling alters the contractile and relaxation properties and induces myocardial stiffness. As LV remodeling progresses, the amount of collagen type III (Col3) is gradually decreased, being replaced by collagen type I (Col1). We evaluated whether Col3 overexpression improved cardiac function and remodeling in a rat with ischemic cardiomyopathy (ICM). We also investigated the functional motif and mechanism of thrombin-cleaved N-terminal osteopontin (N-OPN) on cardiac remodeling...
February 21, 2018: Journal of Thoracic and Cardiovascular Surgery
Cecília M Costa, Ittalo S Silva, Rafael D de Sousa, Renato A Hortegal, Carlos Danilo M Regis
Myocardial infarction is one of the leading causes of death worldwide. As it is life threatening, it requires an immediate and precise treatment. Due to this, a growing number of research and innovations in the field of biomedical signal processing is in high demand. This paper proposes the association of Reconstructed Phase Space and Artificial Neural Networks for Vectorcardiography Myocardial Infarction Recognition. The algorithm promotes better results for the box size 10 × 10 and the combination of four parameters: box counting (Vx), box counting (Vz), self-similarity method (Vx) and self-similarity method (Vy) with sensitivity = 92%, specificity = 96% and accuracy = 94%...
February 8, 2018: Journal of Electrocardiology
Hae Chang Jeong, Joon Ho Ahn, Min Chul Kim, Doo Sun Sim, Keun Ho Park, Young Joon Hong, Ju Han Kim, Myung Ho Jeong, Ki-Bae Seung, Kiyuk Chang, Youngkeun Ahn
Background/Aims: The optimal percutaneous coronary intervention (PCI) strategy in patients with acute myocardial infarction (AMI) with multivessel disease (MVD) is uncertain. This study was designed to develop a novel and simple tool for assessing an individualized and optimized PCI strategy in AMI patients with MVD. Methods: In total, 5,025 patients with AMI from nine centers at two universities were enrolled in the prospective Convergent Registry of Catholic and Chonnam University for Acute Myocardial Infarction (COREA-AMI) registry from January 2004 through December 2009...
March 20, 2018: Korean Journal of Internal Medicine
Colleen M Witzenburg, Jeffrey W Holmes
The ability to predict long-term growth and remodeling of the heart in individual patients could have important clinical implications, but the time to customize and run current models makes them impractical for routine clinical use. Therefore, we adapted a published growth relation for use in a compartmental model of the left ventricle (LV). The model was coupled to a circuit model of the circulation to simulate hemodynamic overload in dogs. We automatically tuned control and acute model parameters based on experimentally reported hemodynamic data and fit growth parameters to changes in LV dimensions from two experimental overload studies (one pressure, one volume)...
March 17, 2018: Journal of Cardiovascular Translational Research
Feifei Zhang, Wei Yang, Yuetao Wang, Haipeng Tang, Jianfeng Wang, Xiaoliang Shao, Ziyi Wang, Xiaoying Zhang, Ling Yang, Xiaosong Wang, Weihua Zhou
OBJECTIVE: Left ventricular mechanical dyssynchrony (LVMD) is an important factor in the prognosis of patients with myocardial infarction (MI). The aim of this study is to identify the influencing factors of LVMD in MI patients by radionuclide myocardial imaging. SUBJECTS AND METHODS: This study consisted of 91 patients who had a history of definite prior MI and underwent both technetium-99m methoxyisobutylisonitrile (99m Tc-MIBI) gated single photon emission tomography (SPET) myocardial perfusion imaging (MPI) and18 F-FDG positron emission tomography (PET) myocardial metabolic imaging...
March 20, 2018: Hellenic Journal of Nuclear Medicine
Alessandro Zorzi, Angela Susana, Manuel De Lazzari, Federico Migliore, Giovanni Vescovo, Daniele Scarpa, Anna Baritussio, Giuseppe Tarantini, Luisa Cacciavillani, Benedetta Giorgi, Cristina Basso, Sabino Iliceto, Chiara Bucciarelli Ducci, Domenico Corrado, Martina Perazzolo Marra
BACKGROUND: In patients who survived out-of-hospital cardiac arrest (OHCA) it is crucial to establish the underlying cause and its potential reversibility. OBJECTIVE: We assessed the incremental diagnostic and prognostic role of early cardiac magnetic resonance (CMR) in survivors of OHCA. METHODS: Among 139 consecutive OHCA patients, we enrolled 44 (median age 43 years; 84% males) patients who underwent coronary angiography and CMR ≤7 days after admission...
March 14, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Carmen A Sima, Benny C Lau, Carolyn M Taylor, Stephan F van Eeden, W Darlene Reid, Andrew W Sheel, Ashley R Kirkham, Pat G Camp
BACKGROUND: Myocardial infarction (MI) remains under-recognized in chronic lung disease (CLD) patients. Rehabilitation health professionals need accessible clinical measurements to identify the presence of prior MI in order to determine appropriate training prescription. OBJECTIVES: To estimate prior MI in CLD patients entering a pulmonary rehabilitation program, as well as its association with heart rate parameters such as resting heart rate and chronotropic response index...
March 14, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
James L Januzzi, Sunil Suchindran, Adrian Coles, Maros Ferencik, Manesh R Patel, Udo Hoffmann, Geoffrey S Ginsburg, Pamela S Douglas
OBJECTIVES: The goal of this study was to examine associations between concentrations of high-sensitivity troponin I (hsTnI) (measured by using a single-molecule counting method) and obstructive coronary artery disease (CAD) in 1,844 stable, symptomatic outpatients with suspected CAD randomized to undergo coronary computed tomography angiography (CTA) in the PROMISE (Prospective Multicenter Imaging Study for Evaluation of Chest Pain) trial. BACKGROUND: Elevated concentrations of hsTnI are associated with CAD in patients with myocardial infarction...
March 9, 2018: JACC. Cardiovascular Imaging
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