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Post infarction heart failure

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https://www.readbyqxmd.com/read/27923462/prognostic-implications-of-newly-developed-t-wave-inversion-after-primary-percutaneous-coronary-intervention-in-patients-with-st-segment-elevation-myocardial%C3%A2-infarction
#1
Man-Jong Lee, Ji-Hoon Jang, Myung-Dong Lee, Sung Woo Kwon, Sung-Hee Shin, Sang-Don Park, Seong-Ill Woo, Dae-Hyeok Kim, Jun Kwan, Keum-Soo Park
We investigated the prognostic value of newly developed T-wave inversion after primary percutaneous coronary intervention (PCI) in patients with ST-segment elevation myocardial infarction. New T-wave inversion was defined as new onset of T-wave inversion after the primary PCI, without negative T waves on the presenting electrocardiogram. The primary end point was the occurrence of major adverse cardiac events (MACE), which consisted of cardiovascular mortality, nonfatal myocardial infarction, and rehospitalization for heart failure...
November 16, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27917392/the-probability-of-inconstancy-in-assessment-of-cardiac-function-post-myocardial-infarction-in-mice
#2
Jiqiu Chen, Nadjib Hammoudi, Ludovic Benard, Delaine K Ceholski, Shihong Zhang, Djamel Lebeche, Roger J Hajjar
In the present study, we explore the inherent variability that leads to overlaps in cardiac functional parameters between control and post-myocardial infarction (MI) mice. Heart failure was induced by Left Coronary Artery (LCA) ligation in mice. Average Ejection Fraction (EF) measured by echocardiography was lower in MI mice compared to control, but exhibited higher Standard Deviation (SD) and Standard Error (SEM), notably in 2D mode. Fractional Shortening (FS) showed a higher degree of overlap between MI and control mice even though the mean values were significantly different...
2016: Cardiovascular Pharmacology: Open Access
https://www.readbyqxmd.com/read/27915044/a-novel-aldosterone-synthase-inhibitor-ameliorates-mortality-in-pressure-overload-mice-with-heart-failure
#3
Shinji Furuzono, Masaki Meguro, Satoru Miyauchi, Shinichi Inoue, Tsuyoshi Homma, Keisuke Yamada, Yoh-Ichi Tagawa, Futoshi Nara, Takahiro Nagayama
It has been elucidated that mineralocorticoid receptor antagonists reduce mortality in patients with congestive heart failure and post-acute myocardial infarction. A direct inhibition of aldosterone synthase (CYP11B2) is also expected to have therapeutic benefits equal in quality to mineralocorticoid receptor antagonists in terms of reducing mineralocorticoid receptor signaling. Therefore, we have screened our chemical libraries and identified a novel and potent aldosterone synthase inhibitor, 2,2,2-trifluoro-1-{4-[(4-fluorophenyl)amino]pyrimidin-5-y}-1-[1-(methylsulfonyl)piperidin-4-yl]ethanol (compound 1), by lead optimization...
November 30, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27904666/ad-hgf-improves-the-cardiac-remodeling-of-rat-following-myocardial-infarction-by-upregulating-autophagy-and-necroptosis-and-inhibiting-apoptosis
#4
Jiabao Liu, Peng Wu, Yunle Wang, Yingqiang Du, Nan A, Shuiyuan Liu, Yiming Zhang, Ningtian Zhou, Zhihui Xu, Zhijian Yang
Cell death in MI is the most critical determinant of subsequent left ventricular remodeling and heart failure. Besides apoptosis, autophagy and necroptosis have been recently found to be another two regulated cell death styles. HGF has been reported to have a protective role in MI, but its impact on the three death styles remains unclear. Thus, our study was performed to investigate the distribution of autophagy, apoptosis and necroptosis in cardiac tissues after MI and explore the role and mechanism of Ad-HGF on cardiac remodeling by regulating the three death styles...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27898167/nsaids-prescription-prevalence-after-a-cardiovascular-event-related-hospitalization-in-medicaid-beneficiaries-from-puerto-rico
#5
Suzette M Vélez, José J Hernández, Sasha M Davis, María G Almodóvar, José R Mercado
OBJECTIVE: Non-steroidal anti-inflammatory drugs (NSAIDs) are commonly prescribed for pain and inflammation. NSAIDs are associated with serious adverse effects and cardiovascular (CV) risks that include myocardial infarction, stroke and heart failure. In the period of time immediately after a CV event, modification to the drug therapy regimen and lifestyle habits should be instituted to decrease morbidity and mortality. The objective of this study is to measure the prevalence of NSAIDs prescribing in the immediate 90 days after a CV-related hospitalization in Medicaid beneficiaries in Puerto Rico...
December 2016: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/27894966/quantitative-proteomic-changes-during-post-myocardial-infarction-remodeling-reveals-altered-cardiac-metabolism-and-desmin-aggregation-in-the-infarct-region
#6
Kaberi Datta, Trayambak Basak, Swati Varshney, Shantanu Sengupta, Sagartirtha Sarkar
: Myocardial infarction is one of the leading causes of cardiac dysfunction, failure and sudden death. Post infarction cardiac remodeling presents a poor prognosis, with 30%-45% of patients developing heart failure, in a period of 5-25years. Oxidative stress has been labelled as the primary causative factor for cardiac damage during infarction, however, the impact it may have during the process of post infarction remodeling has not been well probed. In this study, we have implemented iTRAQ proteomics to catalogue proteins and functional processes, participating both temporally (early and late phases) and spatially (infarct and remote zones), during post myocardial infarction remodeling of the heart as functions of the differential oxidative stress manifest during the remodeling process...
November 25, 2016: Journal of Proteomics
https://www.readbyqxmd.com/read/27883184/epigenetics-in-reactive-and-reparative-cardiac-fibrogenesis-the-promise-of-epigenetic-therapy
#7
REVIEW
Asish K Ghosh, Rahul Rai, Panagiotis Flevaris, Douglas E Vaughan
Epigenetic changes play a pivotal role in the development of a wide spectrum of human diseases including cardiovascular diseases, cancer, diabetes, and intellectual disabilities. Cardiac fibrogenesis is a common pathophysiological process seen during chronic and stress-induced accelerated cardiac aging. While adequate production of extracellular matrix (ECM) proteins is necessary for post-injury wound healing, excessive synthesis and accumulation of extracellular matrix protein in the stressed or injured hearts causes decreased or loss of lusitropy that leads to cardiac failure...
November 24, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27870977/longitudinal-treatment-patterns-with-adp-receptor-inhibitors-after-myocardial-infarction-insights-from-the-canadian-observational-antiplatelet-study
#8
Akshay Bagai, Tracy Y Wang, Shaun G Goodman, Harold N Fisher, Robert C Welsh, Jean-Pierre Dery, Xiang Zhang, Yajun E Zhu, Asim N Cheema, Payam Dehghani, Saleem A Kassam, John Ducas, Neil Brass, Hahn Hoe Kim, Anthony Fung, Erick Schampaert, Ata Ur Rehman Quraishi, Shamir R Mehta
BACKGROUND: After myocardial infarction (MI) treated with percutaneous coronary intervention (PCI), guidelines recommend dual antiplatelet therapy (DAPT) with aspirin and an ADP receptor inhibitor (ADPri) for at least 1year. However, whether real-world Canadian practice patterns reflect this recommendation is unknown. METHODS: We studied 2175 MI patients treated with PCI and discharged from 26 Canadian hospitals between 12/2011 and 05/2013 in the Canadian Observational Antiplatelet sTudy (COAPT)...
November 14, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27858191/focus-on-the-novel-cardiovascular-drug-lzc696-from-evidence-to-clinical-consideration
#9
L M Lin, Y Wu, M F Wu, J X Lin
LCZ696, a first-in-class angiotensin receptor neprilysin inhibitor (ARNI), is comprised of the angiotensin receptor blocker valsartan and the neprilysin inhibitor pro-drug sacubitril (AHU377). After oral administration, AHU377 is rapidly metabolized to the active neprilysin inhibitor LBQ657. LCZ696 exerts its effects of diuresis, natriuresis, vasodilation and aldosterone secretion inhibition through simultaneous renin-angiotensin-aldosterone system (RAAS) blockade and natriuretic peptides system (NPS) enhancement...
November 18, 2016: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/27855640/long-term-secondary-prevention-of-acute-myocardial-infarction-sepat-guidelines-adherence-and-outcome
#10
Constantinos Ergatoudes, Erik Thunström, Annika Rosengren, Lena Björck, Kristina Bengtsson Boström, Kristin Falk, Michael Fu
BACKGROUND: A number of registry studies have reported suboptimal adherence to guidelines for cardiovascular prevention during the first year after acute myocardial infarction (AMI). However, only a few studies have addressed long-term secondary prevention after AMI. This study evaluates prevention guideline adherence and outcome of guideline-directed secondary prevention in patients surviving 2 years after AMI. METHODS: Patients aged 18-85 years at the time of their index AMI were consecutively identified from hospital discharge records between July 2010 and December 2011 in Gothenburg, Sweden...
November 17, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27852588/relationship-between-%C3%AE-blocker-therapy-at-discharge-and-clinical-outcomes-in-patients-with-acute-coronary-syndrome-undergoing-percutaneous-coronary-intervention
#11
Chenze Li, Yang Sun, Xiaoqing Shen, Ting Yu, Qing Li, Guoran Ruan, Lina Zhang, Qiang Huang, Hang Zhuang, Jingqiu Huang, Li Ni, Luyun Wang, Jiangang Jiang, Yan Wang, Dao Wen Wang
BACKGROUND: The evidence supporting the use of β-blockers in patients with acute coronary syndrome after successful percutaneous coronary intervention has been inconsistent and scarce. METHODS AND RESULTS: Between March 1, 2009, and December 30, 2014, a total of 3180 eligible patients with acute coronary syndrome undergoing percutaneous coronary intervention were consecutively enrolled. The primary end point was all-cause death and the secondary end point was a composite of all-cause death, nonfatal myocardial infarction, heart failure readmission, and cardiogenic hospitalization...
November 16, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27847152/endurance-exercise-induced-changes-in-bnp-concentrations-in-cardiovascular-patients-versus-healthy-controls
#12
Vincent L Aengevaeren, Maria T E Hopman, Dick H J Thijssen, Roland R van Kimmenade, Menko-Jan de Boer, Thijs M H Eijsvogels
BACKGROUND: Healthy athletes demonstrated increased B-type natriuretic peptide (BNP) concentrations following exercise, but it is unknown whether these responses are exaggerated in individuals with cardiovascular risk factors (CVRF) or disease (CVD). We compared exercise-induced increases in BNP between healthy controls (CON) and individuals with CVRF or CVD. Furthermore, we aimed to identify predictors for BNP responses. METHODS: Serum BNP concentrations were measured in 191 participants (60±12yrs) of the Nijmegen Marches before (baseline) and immediately after 4 consecutive days of walking exercise (30-50km/day)...
November 8, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27846011/red-cell-distribution-width-and-severe-left-ventricular-dysfunction-in-ischemic-heart-failure
#13
Ali Bozorgi, Entezar Mehrabi Nasab, Maryam Khoshnevis, Enseyeh Dogmehchi, Gita Hamze, Hamidreza Goodarzynejad
OBJECTIVE: The red cell distribution width (RDW), a simple and widely available marker, has been linked with an increased risk of adverse outcomes in patients with heart failure (HF) and risk of death, and cardiovascular events in those with previous myocardial infarction, but its relation with the severity of left ventricular (LV) dysfunction is not fully investigated. The aim of this study was to assess the prognostic value of the RDW in post myocardial infarction patients with typical signs and symptoms of HF and with reduced LV ejection fraction (EF)...
December 2016: Critical Pathways in Cardiology
https://www.readbyqxmd.com/read/27845300/effects-of-renal-sympathetic-denervation-on-cardiac-systolic-function-after-myocardial-infarction-in-rats
#14
Jiqun Guo, Zhongxia Zhou, Zhenzhen Li, Qian Liu, Guoqing Zhu, Qijun Shan
This study investigated the therapeutic effects of renal denervation on cardiac systolic function after myocardial infarction (MI) in rats and the mechanism involved. Fifty male SD rats were randomly assigned to the sham group (n = 15), the MI group (n = 20), and the MI plus renal denervation group (n = 15). MI was established through thoracotomic ligation of the anterior descending artery. Renal denervation was achieved by laparotomic stripping of the renal arterial adventitial sympathetic nerve, approximately 3 mm from the abdominal aorta...
September 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/27843046/impact-of-renal-function-impairment-assessed-by-ckdepi-estimated-glomerular-filtration-rate-on-early-and-late-outcomes-after-coronary-artery-bypass-grafting
#15
Sandro Gelsomino, Stefano Del Pace, Orlando Parise, Sabina Caciolli, Francesco Matteucci, Giuseppe Fradella, Massimo Bonacchi, Simona Fusco, Fabiana Lucà, Niccoló Marchionni
BACKGROUND: We explore the association between short- and long- term adverse outcomes following coronary artery bypass grafting (CABG) and the degree of preoperative renal dysfunction classified on glomerular fraction estimated with Chronic Kidney Disease-Epidemiology Collaboration equation (eGFRCKD-EPI). We also try to identify cut-off values of eGFRCKD-EPI able to predict post-CABG unfavorable events and assess whether a reclassification with new thresholds is necessary. METHODS: One-thousand-one-hundred-eighty-six consecutive patients undergoing CABG between 2005 and 2014 were categorized in 4 groups according to the eGFRCKD-EPI: Group 1 (≥60ml/min/1...
October 24, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27833128/qishen-granules-inhibit-myocardial-inflammation-injury-through-regulating-arachidonic-acid-metabolism
#16
Chun Li, Jing Wang, Qiyan Wang, Yi Zhang, Na Zhang, Linghui Lu, Yan Wu, Qian Zhang, Wei Wang, Yong Wang, Pengfei Tu
Qishen granules (QSG), a traditional Chinese medicine, have been prescribed widely in the treatment of coronary heart diseases. Previous studies demonstrated that QSG had anti-inflammatory and cardio-protective effects in mice with acute myocardial infarction (AMI). However, the mechanisms by which QSG attenuate inflammation and prevent post-AMI heart failure (HF) are still unclear. In this study, we explored the anti-inflammatory mechanisms of QSG by in vitro and in vivo experiments. A novel inflammatory injury model of H9C2 cells was induced by lipopolysaccharide (LPS)-stimulated macrophage-conditioned media (CM)...
November 11, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27829460/renal-function-estimation-and-cockroft-gault-formulas-for-predicting-cardiovascular-mortality-in-population-based-cardiovascular-risk-heart-failure-and-post-myocardial-infarction-cohorts-the-heart-omics-in-ageing-homage-and-the-high-risk-myocardial-infarction
#17
João Pedro Ferreira, Nicolas Girerd, Pierpaolo Pellicori, Kevin Duarte, Sophie Girerd, Marc A Pfeffer, John J V McMurray, Bertram Pitt, Kenneth Dickstein, Lotte Jacobs, Jan A Staessen, Javed Butler, Roberto Latini, Serge Masson, Alexandre Mebazaa, Hans Peter Brunner-La Rocca, Christian Delles, Stephane Heymans, Naveed Sattar, J Wouter Jukema, John G Cleland, Faiez Zannad, Patrick Rossignol
BACKGROUND: Renal impairment is a major risk factor for mortality in various populations. Three formulas are frequently used to assess both glomerular filtration rate (eGFR) or creatinine clearance (CrCl) and mortality prediction: body surface area adjusted-Cockcroft-Gault (CG-BSA), Modification of Diet in Renal Disease Study (MDRD4), and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. The CKD-EPI is the most accurate eGFR estimator as compared to a "gold-standard"; however, which of the latter is the best formula to assess prognosis remains to be clarified...
November 10, 2016: BMC Medicine
https://www.readbyqxmd.com/read/27825852/osm-mitigates-post-infarction-cardiac-remodeling-and-dysfunction-by-up-regulating-autophagy-through-mst1-suppression
#18
Jianqiang Hu, Lei Zhang, Zhijing Zhao, Mingming Zhang, Jie Lin, Jiaxing Wang, Wenjun Yu, Wanrong Man, Congye Li, Rongqing Zhang, Erhe Gao, Haichang Wang, Dongdong Sun
The incidence and prevalence of heart failure (HF) in the world are rapidly rising possibly attributed to the worsened HF following myocardial infarction (MI) in recent years. Here we examined the effects of oncostatin M (OSM) on postinfarction cardiac remodeling and the underlying mechanisms involved. MI model was induced using left anterior descending coronary artery (LAD) ligation. In addition, cultured neonatal mouse cardiomyocytes were subjected to simulated MI. Our results revealed that OSM alleviated left ventricular remodeling, promoted cardiac function, restored mitochondrial cristae density and architecture disorders after 4weeks of MI...
November 4, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27821724/preserve-ami-a-randomized-double-blind-placebo-controlled-clinical-trial-of-intracoronary-administration-of-autologous-cd34-cells-in-patients-with-left-ventricular-dysfunction-post-stemi
#19
Arshed A Quyyumi, Alejandro Vasquez, Dean Kereiakes, Marc Klapholz, Gary L Schaer, Ahmed Abdel-Latif, Stephen Frohwein, Timothy D Henry, Richard A Schatz, Nabil Dib, Catalin Toma, Charles J Davidson, Gregory W Barsness, David Shavelle, Martin Cohen, Joseph Poole, Thomas J Moss, Pamela Hyde, AnnaMaria Kanakaraj, Vitaly Druker, Amy Chung, Candice Junge, Robert A Preti, Robin L Smith, David J Mazzo, Andrew Pecora, Douglas W Losordo
RATIONALE: Despite direct immediate intervention and therapy, ST segment Elevation Myocardial Infarction (STEMI) victims remain at risk for infarct expansion, heart failure, re-infarction, repeat revascularization and death. OBJECTIVE: To evaluate the safety and bioactivity of autologous CD34+ cell (CLBS10) intracoronary infusion in patients with left ventricular dysfunction (LVD) post-STEMI. METHODS AND RESULTS: Patients who underwent successful stenting for STEMI and had LVD (ejection fraction [EF] ≤48%) ≥4 days post-stent were eligible for enrollment...
November 7, 2016: Circulation Research
https://www.readbyqxmd.com/read/27820656/insulinlike-growth-factor-binding-protein-1-and-ghrelin-predict-health-outcomes-among-older-adults-chs-cohort
#20
Robert C Kaplan, Garrett Strizich, Chino Aneke-Nash, Clara Dominguez-Islas, Petra Bůžková, Howard Strickler, Thomas Rohan, Michael Pollak, Lewis Kuller, Jorge R Kizer, Anne Cappola, Christopher I Li, Bruce M Psaty, Anne Newman
CONTEXT: Multiple diseases may explain the association of the growth hormone / insulinlike growth factor-I (GH/IGF-I) axis with longevity. OBJECTIVE: To relate circulating GH/IGF-I system protein levels with major health events. DESIGN: Cohort study Setting: Four US communities Participants: Adults (n=2268) 65 years and older free of diabetes and cardiovascular disease. MEASUREMENTS: We assessed insulinlike growth factor binding protein-1 (IGFBP-1) and ghrelin in fasting and 2-hour oral glucose tolerance test (OGTT) blood samples, as well as fasting IGF-I and IGFBP-3...
November 7, 2016: Journal of Clinical Endocrinology and Metabolism
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