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Type 2 myocardial infarction

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https://www.readbyqxmd.com/read/29045568/loss-of-protein-kinase-novel-1-pkn1-is-associated-with-mild-systolic-and-diastolic-contractile-dysfunction-increased-phospholamban-thr17-phosphorylation-and-exacerbated-ischaemia-reperfusion-injury
#1
Asvi A Francois, Kofo Obasanjo-Blackshire, James E Clark, Andrii Boguslavskyi, Mark R Holt, Peter Parker, Michael S Marber, Richard J Heads
Aims: PKN1 is a stress-responsive protein kinase acting downstream of small GTP-binding proteins of the Rho/Rac family. The aim was to determine its role in endogenous cardioprotection. Methods and Results: Hearts from PKN1 knockout (KO) or wild type (WT) littermate control mice were perfused in Langendorff mode and subjected to global ischemia and reperfusion (I/R). Myocardial infarct size was doubled in PKN1 KO hearts compared to WT hearts. PKN1 was basally phosphorylated on the activation loop Thr778 PDK1 target site which was unchanged during I/R...
October 16, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29044903/native-t1-mapping-for-characterization-of-acute-and-chronic-myocardial-infarction-in-swine-comparison-with-contrast-enhanced-mri
#2
Xi Liu, Jiang-Long Hou, Zhi-Gang Yang, Chun-Chao Xia, Lin-Jun Xie, Peng-Fei Ye, Wan-Lin Peng, Lei Li, Meng-Xi Yang, Ying-Kun Guo
BACKGROUND: Both acute and chronic myocardial infarction (AMI and CMI, respectively) exhibit delayed enhancement; however, clinical decision-making processes frequently require the differentiation of these two types of myocardial injury. PURPOSE: To investigate the reliability of AMI and CMI characterization using native T1 mapping and its feasibility for discriminating AMI from CMI. STUDY TYPE: Case-control. ANIMAL MODEL: The study cohort comprised 12 AMI (mean post-MI, 3...
October 16, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29044036/-five-decades-of-coronary-artery-disease-in-iceland-data-from-the-icelandic-heart-association
#3
Karl Andersen, Thor Aspelund, Elías Freyr Gudmundsson, Kristin Siggeirsdottir, Rosa Bjork Thorolfsdottir, Gunnar Sigurdsson, Vilmundur Gudnason
Coronary artery disease has been the leading cause of death and disability in Iceland during the past decades although in recent years, malignancy has taken over that position. A steady improvement in the level of major risk factors has been evident since 1980. This trend explains 72% of the decrease in premature mortality from coronary artery disease during the past three decades. However, an opposing trend in increasing obesity and type 2 diabetes has attenuated this decline in premature deaths. Unchanged risk factor trends will lead to increasing cardiovascular mortality in the years to come...
October 2017: Læknablađiđ
https://www.readbyqxmd.com/read/29041886/-polymorphisms-in-genes-of-cytokines-and-matrix-metalloproteinases-associated-with-ischemic-heart-disease-in-patients-with-type-2-diabetes
#4
V V Klimontov, V A Shevchenko, M D Bulumbaeva, F V Prokof 'ev, I V Konenkov
OBJECTIVE: To examine associations between ischemic heart disease (IHD) and polymorphisms in cytokine genes (IL-1B, IL-4, IL-6, IL-10, TNFA, VEGF) and matrix metalloproteinase genes (MMP2, MMP3, MMP9) in patients with type 2 diabetes. MATERIAL AND METHODS: We studied 232 Caucasian diabetic subjects (33 men and 199 women aged 50-70 years). In 93 patients IHD was verified by treadmill test and/or coronary angiography (86 subjects with stable angina, 19 with previous myocardial infarction)...
August 2017: Kardiologiia
https://www.readbyqxmd.com/read/29040663/heart-type-fatty-acid-binding-protein-h-fabp-and-highly-sensitive-troponin-t-hstnt-as-markers-of-myocardial-injury-and-cardiovascular-events-in-elective-percutaneous-coronary-intervention-pci
#5
M Connolly, J Shand, M Kinnin, I Menown, M J Kurth, J Lamont, D Mc Eneaney
OBJECTIVES: To assess the prognostic value of biomarkers of myocardial injury following elective percutaneous coronary intervention (PCI). BACKGROUND: Type 4a myocardial infarction (MI) occurs when myocardial injury is combined with either symptoms suggestive of myocardial ischaemia, new left bundle branch block, angiographic loss of patency of a major artery or imaging suggestive of new loss of myocardium. Myocardial injury is defined as a rise of > 5 x 99th upper reference limit (URL) of 14ng/L (i...
October 10, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29040268/benefit-and-harm-of-intensive-blood-pressure-treatment-derivation-and-validation-of-risk-models-using-data-from-the-sprint-and-accord-trials
#6
Sanjay Basu, Jeremy B Sussman, Joseph Rigdon, Lauren Steimle, Brian T Denton, Rodney A Hayward
BACKGROUND: Intensive blood pressure (BP) treatment can avert cardiovascular disease (CVD) events but can cause some serious adverse events. We sought to develop and validate risk models for predicting absolute risk difference (increased risk or decreased risk) for CVD events and serious adverse events from intensive BP therapy. A secondary aim was to test if the statistical method of elastic net regularization would improve the estimation of risk models for predicting absolute risk difference, as compared to a traditional backwards variable selection approach...
October 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29029396/activation-of-cannabinoid-receptor-type-ii-by-am1241-protects-adipose-derived-mesenchymal-stem-cells-from-oxidative-damage-and-enhances-their-therapeutic-efficacy-in-myocardial-infarction-mice-via-stat3-activation
#7
Dong Han, Xiang Li, Wen-Si Fan, Jiang-Wei Chen, Tian-Tian Gou, Tao Su, Miao-Miao Fan, Meng-Qi Xu, Ya-Bin Wang, Sai Ma, Ya Qiu, Feng Cao
The poor survival of cells in ischemic sites diminishes the therapeutic efficacy of stem cell therapy. Previously we and others have reported that Cannabinoid receptor type II (CB2) is protective during heart ischemic injury for its anti-oxidative activity. However, whether CB2 activation could improve the survival and therapeutic efficacy of stem cells in ischemic myocardium and the underlying mechanisms remain elusive. Here, we showed evidence that CB2 agonist AM1241 treatment could improve the functional survival of adipose-derived mesenchymal stem cells (AD-MSCs) in vitro as well as in vivo...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029142/detecting-myocardial-infarction-type-2-targetting-the-right-patients
#8
Kristian Thygesen, Allan S Jaffe
No abstract text is available yet for this article.
October 5, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29025834/study-protocol-for-a-randomised-controlled-trial-harmonising-optimal-strategy-for-treatment-of-coronary-artery-stenosis-coronary-intervention-with-next-generation-drug-eluting-stent-platforms-and-abbreviated-dual-antiplatelet-therapy-host-idea-trial
#9
Chi-Hoon Kim, Jung-Kyu Han, Han-Mo Yang, Kyung Woo Park, Hae-Young Lee, Hyun-Jae Kang, Bon-Kwon Koo, Namho Lee, Tae-Joon Cha, Tae-Hyun Yang, Myung-Ho Jeong, Myeong-Ho Yoon, Seung Uk Lee, Seung Jin Lee, Jin Won Kim, Jin-Man Cho, Kyu-Rock Han, Wook Bum Pyun, Hyo-Soo Kim
INTRODUCTION: We have recently seen the introduction of newer generation drug-eluting stents with ultrathin struts that use advanced polymer technologies. However, the efficacy and safety of these newest stents have not yet been fully explored. In addition, there are still controversies over the optimal duration of dual antiplatelet therapy (DAPT) after stent implantation, particularly for ultrathin stents with the newest polymer technologies. METHODS AND ANALYSIS: The HOST-IDEA trial is a randomised, open-label, multicentre, non-inferiority trial and the first study to directly compare two of these ultrathin sirolimus-eluting stents: Orsiro stent with biodegradable polymer, and polymer-free Coroflex ISAR (CX-ISAR) stent...
October 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/29022262/myocardial-infarction-and-exercise-training-evidence-from-basic-science
#10
Ivana C Moraes-Silva, Bruno Rodrigues, Hélio J Coelho-Junior, Daniele Jardim Feriani, Maria-Claudia Irigoyen
In 2016, cardiovascular disease remains the first cause of mortality worldwide [1]. Coronary artery disease, which is the most important precursor of myocardial infarction (MI), is the main component of total cardiovascular mortality, being responsible for approximately seven million of deaths [1]. In approximately 20% of infarcted patients, MI is recurrent in the first year after the event [2]. Moreover, among cardiovascular disease, coronary artery disease accounts for the most increased index of life years lost due to morbidity and/or mortality [1]...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29022008/inflammatory-activation-of-human-cardiac-fibroblasts-leads-to-altered-calcium-signaling-decreased-connexin-43-expression-and-increased-glutamate-secretion
#11
Eva Skiöldebrand, Annika Lundqvist, Ulrika Björklund, Mikael Sandstedt, Anders Lindahl, Elisabeth Hansson, Lillemor Mattsson Hultén
Cardiac fibroblasts, which are abundant in heart tissue, are involved not only in extracellular matrix homeostasis and repair, but also in cardiac remodeling after a myocardial infarction that, in turn, can lead to loss of cardiac function and heart failure. Ca(2+) signaling is functionally important in many cell types, but the roles of fibroblast signaling and inflammation in the pathogenesis of heart disease are unclear. Here, we tested the hypothesis that inflammatory activation affects cardiac fibroblasts, both in terms of Ca(2+) signaling and their capacity for intercellular communication through the gap junction channel protein connexin 43 (Cx43)...
October 2017: Heliyon
https://www.readbyqxmd.com/read/29020401/discrimination-of-patients-with-type-2-myocardial-infarction
#12
Johannes Tobias Neumann, Nils Arne Sörensen, Nicole Rübsamen, Francisco Ojeda, Thomas Renné, Vazhma Qaderi, Elena Teltrop, Solveig Kramer, Laura Quantius, Tanja Zeller, Mahir Karakas, Stefan Blankenberg, Dirk Westermann
Aims: The differentiation of type 1 and type 2 myocardial infarction (T1MI, T2MI) is important, but challenging in the emergency department. We aimed to investigate the clinical characteristics and cardiovascular outcome of T2MI patients and to develop a clinical decision tool to differentiate T1MI and T2MI patients. Methods and results: We prospectively enrolled 1548 patients with suspected MI. All patients were followed for up to 2 years to assess mortality...
August 13, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29018174/prognostic-value-of-n-terminal-pro-b-type-natriuretic-peptide-levels-in-heart-failure-patients-with-and-without-atrial-fibrillation
#13
Søren Lund Kristensen, Pardeep S Jhund, Ulrik M Mogensen, Rasmus Rørth, William T Abraham, Akshay Desai, Kenneth Dickstein, Jean L Rouleau, Michael R Zile, Karl Swedberg, Milton Packer, Scott D Solomon, Lars Køber, John J V McMurray
BACKGROUND: Patients with heart failure (HF) and atrial fibrillation (AF) have higher circulating levels of NT-proBNP (N-terminal pro-B-type natriuretic peptide) than HF patients without AF. There is uncertainty about the prognostic importance of a given concentration of NT-proBNP in HF patients with and without AF. We investigated this question in a large cohort of patients with HF and reduced ejection fraction. METHODS AND RESULTS: We studied 14 737 patients with HF and reduced ejection fraction and a measurement of NT-proBNP at time of screening, enrolled in either the PARADIGM-HF trial (Prospective Comparison of ARNI With ACEI to Determine Impact on Global Mortality and Morbidity in Heart Failure) or the ATMOSPHERE trial (Aliskiren Trial to Minimize Outcomes in Patients With Heart Failure), of whom 3575 (24%) had AF on their baseline ECG...
October 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29017514/impact-of-type-2-diabetes-mellitus-on-in-hospital-mortality-after-major-cardiovascular-events-in-spain-2002-2014
#14
José M de Miguel-Yanes, Rodrigo Jiménez-García, Valentín Hernández-Barrera, Manuel Méndez-Bailón, Javier de Miguel-Díez, Ana Lopez-de-Andrés
BACKGROUND: Diabetes mellitus has long been associated with cardiovascular events. Nevertheless, the higher burden of traditional cardiovascular risk factors reported in high-income countries is offset by a more widespread use of preventive measures and revascularization or other invasive procedures. The aim of this investigation is to describe trends in number of cases and outcomes, in-hospital mortality (IHM) and length of hospital stay (LHS), of hospital admissions for major cardiovascular events between type 2 diabetes (T2DM) and matched non-diabetes patients...
October 10, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28992867/early-exclusion-of-major-adverse-cardiac-events-in-emergency-department-chest-pain-patients-a-prospective-observational-study
#15
Yuk-Ki Leung, Nga-Man Cheng, Cangel Pui-Yee Chan, Anna Lee, Jeffrey Ka-Tak Wong, Bryan Ping-Yen Yan, Anil Tejbhan Ahuja, Colin Alexander Graham, Timothy Hudson Rainer
BACKGROUND: The current evaluation of patients with chest pain presenting to an emergency department (ED) with suspected acute coronary syndrome (ACS) is a lengthy process involving serial measurements of troponin. OBJECTIVE: We aimed to validate the diagnostic accuracy of a Thrombolysis in Myocardial Infarction (TIMI) score with single high-sensitive cardiac troponin T (hs-cTnT) for early rule out of 30-day major adverse cardiac events (MACE), and to compare the TIMI score with combinations of heart-type fatty acid binding protein (H-FABP) and a modified HEART (history, electrocardiogram, age, risk factors, troponin) score...
September 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28989914/which-components-of-metabolic-syndrome-have-a-greater-effect-on-mortality-cva-and-myocardial-infarction-hyperglycemia-high-blood-pressure-or-both
#16
Alireza Khosravi, Masoumeh Sadeghi, Mehrzad Barghikar
BACKGROUND: This study aims to evaluate the incidence of stroke, ischemic heart disease (IHD), and cardiovascular disease (CVD) mortality in clusters containing hypertension (HTN), clusters containing diabetes (diabetes mellitus [DM]), cluster with both HTN, DM, and cluster without HTN, DM in patients with metabolic syndrome (MetS). MATERIALS AND METHODS: The association between MetS and outcomes was examined in 2257 patients with MetS that were divided into four groups includes patients with MetS with hyperglycemia (Cluster 1), patients with MetS with HTN (Cluster 2), patients with MetS with HTN and hyperglycemia (Cluster 3) and patients with MetS without HTN and hyperglycemia (Cluster 4)...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28989893/an-intriguing-family-with-type-2-diabetes-mellitus-and-complete-heart-block
#17
Gaurav Agarwal, Satish Kumar Singh
Chronic hyperglycaemia of Type 2 Diabetes Mellitus (T2DM) causes long term damage to heart resulting in coronary artery disease (CAD), myocardial infarction (MI), congestive heart failure (CHF), and sudden death from arrhythmias. A 62 year old male presented to our emergency with complaint of sudden onset giddiness from last 2 hours. This was followed by loss of consciousness. Patient was a known case of T2DM since last 1 year. Family history- patient has two brothers who also have T2DM and both of them also developed Complete Heart Block (CHB) spontaneously...
September 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28989880/arrhythmias-in-type-2-diabetes-mellitus
#18
Gaurav Agarwal, Satish Kumar Singh
Chronic hyperglycaemia of Type 2 diabetes mellitus causes long term damage to heart resulting in coronary artery disease (CAD), myocardial infarction (MI), congestive heart failure (CHF), and sudden death from arrhythmias. AIMS: To study the prevalence of different types of arrhythmias in T2DM, particularly in association with Cardiac Autonomic Neuropathy (CAN). METHODS: A cross-sectional study including 100 patients of Type 2 Diabetes Mellitus (T2DM) presenting with cardiac arrhythmias, was done at our hospital over 2 years...
September 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28988425/the-safety-and-effectiveness-of-adenosine-diphosphate-receptor-inhibitor-pretreatment-among-acute-myocardial-infarction-patients-treated-with-percutaneous-coronary-intervention-in-community-practice-insights-from-the-translate-acs-study
#19
Mark B Effron, Tracy Y Wang, Gregg C Fonarow, Timothy D Henry, Marjorie E Zettler, Brian A Baker, Lisa A McCoy, Eric D Peterson
OBJECTIVES: To understand the optimal timing of adenosine diphosphate (ADP) receptor inhibitor pretreatment prior to percutaneous coronary intervention (PCI) among acute myocardial infarction (MI) patients. BACKGROUND: The role of ADP receptor inhibitor pretreatment in this population is unclear. METHODS: A total of 9,251 ADP receptor inhibitor-naïve MI patients undergoing PCI at 229 TRANSLATE-ACS sites were evaluated. Adjusted risks of in-hospital major adverse cardiovascular events (MACE) and major bleeding were compared among patients with and without pretreatment using inverse probability-weighted propensity adjustment...
October 8, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28986504/causes-of-death-in-a-contemporary-cohort-of-patients-with-type-2-diabetes-and-atherosclerotic-cardiovascular-disease-insights-from-the-tecos-trial
#20
Abhinav Sharma, Jennifer B Green, Allison Dunning, Yuliya Lokhnygina, Sana M Al-Khatib, Renato D Lopes, John B Buse, John M Lachin, Frans Van de Werf, Paul W Armstrong, Keith D Kaufman, Eberhard Standl, Juliana C N Chan, Larry A Distiller, Russell Scott, Eric D Peterson, Rury R Holman
OBJECTIVE: We evaluated the specific causes of death and their associated risk factors in a contemporary cohort of patients with type 2 diabetes and atherosclerotic cardiovascular disease (ASCVD). RESEARCH DESIGN AND METHODS: We used data from the Trial Evaluating Cardiovascular Outcomes with Sitagliptin (TECOS) study (n = 14,671), a cardiovascular (CV) safety trial adding sitagliptin versus placebo to usual care in patients with type 2 diabetes and ASCVD (median follow-up 3 years)...
October 6, 2017: Diabetes Care
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