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Type 2 myocardial infarction

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https://www.readbyqxmd.com/read/29684345/transplantation-of-creg-modified-embryonic-stem-cells-improves-cardiac-function-after-myocardial-infarction-in-mice
#1
Jian Zhang, Xiaoxiang Tian, Chengfei Peng, Chenghui Yan, Yang Li, Mingyu Sun, Jian Kang, Erhe Gao, Yaling Han
Engraftment of embryonic stem cells (ESC) has been proposed as a potential therapeutic approach for post-infarction cardiac dysfunction. However, only mild function improvement has been achieved due to low survival rate and paracrine dysfunction of transplanted stem cells. Cellular repressor of E1A stimulated genes (CREG) has been reported to be a secreted glycoprotein implicated in promoting survival and differentiation of many cell types. Therefore we hypothesized that transplantation of genetically modified ESC with CREG (CREG-ESC) can improve cardiac function after myocardial infarction in mice...
April 20, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29680356/influence-of-myocardial-hemorrhage-on-staging-of-reperfused-myocardial-infarctions-with-t-2-cardiac-magnetic-resonance-imaging-insights-into-the-dependence-on-infarction-type-with-ex-vivo-validation
#2
Guan Wang, Hsin-Jung Yang, Avinash Kali, Ivan Cokic, Richard Tang, Guoxi Xie, Qi Yang, Joseph Francis, Songbai Li, Rohan Dharmakumar
OBJECTIVES: This study sought to determine whether T2 cardiac magnetic resonance (CMR) can stage both hemorrhagic and nonhemorrhagic myocardial infarctions (MIs). BACKGROUND: CMR-based staging of MI with or without contrast agents relies on the resolution of T2 elevations in the chronic phase, but whether this approach can be used to stage both hemorrhagic and nonhemorrhagic MIs is unclear. METHODS: Hemorrhagic (n = 15) and nonhemorrhagic (n = 9) MIs were created in dogs...
April 14, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29679222/warranty-period-of-normal-stress-myocardial-perfusion-imaging-in-hypertensive-patients-a-parametric-survival-analysis
#3
Wanda Acampa, Francesco Rozza, Emilia Zampella, Roberta Assante, Teresa Mannarino, Carmela Nappi, Ciro Mainolfi, Mario Petretta, Bruno Trimarco, Alberto Cuocolo
BACKGROUND: We evaluated the warranty period of a normal stress myocardial perfusion single-photon emission computed tomography (MPS) in hypertensive patients. METHODS AND RESULTS: A total of 471 consecutive hypertensive patients with suspected coronary artery disease and normal perfusion at stress MPS were followed for a mean of 76 ± 21 months. Endpoint events were cardiac death or nonfatal myocardial infarction. With Cox analysis, age (hazard ratio 1.1, P < ...
April 20, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29677303/association-between-use-of-sodium-glucose-cotransporter-2-inhibitors-glucagon-like-peptide-1-agonists-and-dipeptidyl-peptidase-4-inhibitors-with-all-cause-mortality-in-patients-with-type-2-diabetes-a-systematic-review-and-meta-analysis
#4
Sean L Zheng, Alistair J Roddick, Rochan Aghar-Jaffar, Matthew J Shun-Shin, Darrel Francis, Nick Oliver, Karim Meeran
Importance: The comparative clinical efficacy of sodium-glucose cotransporter 2 (SGLT-2) inhibitors, glucagon-like peptide 1 (GLP-1) agonists, and dipeptidyl peptidase 4 (DPP-4) inhibitors for treatment of type 2 diabetes is unknown. Objective: To compare the efficacies of SGLT-2 inhibitors, GLP-1 agonists, and DPP-4 inhibitors on mortality and cardiovascular end points using network meta-analysis. Data Sources: MEDLINE, Embase, Cochrane Library Central Register of Controlled Trials, and published meta-analyses from inception through October 11, 2017...
April 17, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29676545/hemorheologic-alterations-in-patients-with-type-2-diabetes-mellitus-presented-with-an-acute-myocardial-infarction
#5
Kyu Hwan Park, Ung Kim, Kang Un Choi, Jong Ho Nam, Jung Hee Lee, Chan Hee Lee, Jang Won Son, Jong Seon Park, Dong Gu Shin, Kyu Chang Won, Jun Sung Moon, Yu Kyung Kim, Jang Soo Suh
BACKGROUND: Hemorheologic indices are known to be related to vascular complications in variable clinical settings. However, little is known about the associations between hemorheologic parameters and acute myocardial infarction (AMI) in type 2 diabetes mellitus (T2DM). The purpose of this study was to demonstrate the changes of hemorheologic environment inside of blood using hemorheologic parameters, especially the elongation index (EI) and critical shear stress (CSS) in diabetics with versus without AMI...
April 2018: Diabetes & Metabolism Journal
https://www.readbyqxmd.com/read/29674140/impaired-ca-2-cycling-of-nonischemic-myocytes-contributes-to-sarcomere-dysfunction-early-after-myocardial-infarction
#6
Annette Kronenbitter, Florian Funk, Katarzyna Hackert, Simone Gorreßen, Dennis Glaser, Peter Boknik, Gereon Poschmann, Kai Stühler, Malgorzata Isić, Martina Krüger, Joachim P Schmitt
Changes in the nonischemic remote myocardium of the heart contribute to left ventricular dysfunction after ischemia and reperfusion (I/R). Understanding the underlying mechanisms early after I/R is crucial to improve the adaptation of the viable myocardium to increased mechanical demands. Here, we investigated the role of myocyte Ca2+ handling in the remote myocardium 24 h after 60 min LAD occlusion. Cardiomyocytes isolated from the basal noninfarct-related parts of wild type mouse hearts demonstrated depressed beat-to-beat Ca2+ handling...
April 16, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29673823/carotid-artery-endarterectomy-cea-vs-carotid-artery-stenting-cas-for-restenosis-after-cea-a-systematic-review-and-meta-analysis
#7
REVIEW
Pavlos Texakalidis, Stefanos Giannopoulos, Anil K Jonnalagadda, Damianos G Kokkinidis, Theofilos Machinis, John Reavey-Cantwell, Ehrin J Armstrong, Pascal Jabbour
BACKGROUND: Carotid artery restenosis may occur following ipsilateral carotid endarterectomy (CEA). It remains unclear whether carotid artery stenting (CAS) or a repeat CEA (redoCEA) is the best treatment strategy for carotid artery restenosis. OBJECTIVE: We sought to find whether CAS or redoCEA is the optimal therapy for post-endarterectomy carotid restenosis. METHODS: This study was performed according to the PRISMA and MOOSE guidelines...
April 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29673298/initial-clinical-experience-using-the-low-profile-altura-endograft-system-with-double-d-shaped-proximal-stents-for-endovascular-aneurysm-repair
#8
Dainis Krievins, Albrecht Krämer, Janis Savlovskis, Georgij Oszkinis, E Sebastian Debus, Alexander Oberhuber, Christopher K Zarins
PURPOSE: To report the initial clinical results of endovascular aneurysm repair (EVAR) using the low-profile (14-F) Altura Endograft System, which features a double "D-shaped" stent design with suprarenal fixation and modular iliac components that are deployed from distal to proximal. METHODS: From 2011 to 2015, 90 patients (mean age 72.8±8.3 years; 79 men) with abdominal aortic aneurysm (AAA; mean diameter 53.8±5.7 mm) were treated at 10 clinical sites in 2 prospective, controlled clinical studies using the Altura endograft...
April 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29671622/changes-in-kidney-tissue-and-effects-of-erythropoietin-after-acute-heart-failure
#9
A Güven Bağla, M Içkin Gülen, F Ercan, F Aşgün, E Ercan, C Bakar
Impairment of cardiac function causes renal damage. Renal failure after heart failure is attributed to hemodynamic derangement including reduced renal perfusion and increased venous pressure. One mechanism involves apoptosis and is defined as cardiorenal syndrome type 1. Erythropoietin (EPO) is a cytokine that induces erythropoiesis under hypoxic conditions. Hypoxia inducible factor 1 alpha (HIF-1α) plays a regulatory role in cellular response to hypoxia. Protective effects of EPO on heart, kidney and nervous system are unrelated to red blood cell production...
April 19, 2018: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29671338/inhibition-of-mir-182-5p-protects-cardiomyocytes-from-hypoxia-induced-apoptosis-by-targeting-ciapin1
#10
Yunsong Zhang, Jun Fang, Huiwen Ma
Myocardial infarction (MI), a type of ischemic heart disease, is generally accompanied by cardiomyocytes apoptosis. MiRNAs play the vital roles in the development and physiology of MI. Here, we established a downregulation model of miR-182-5p in H9c2 cells under hypoxia condition for investigating the potential molecular mechanism of miR-182-5p in hypoxia-induced cardiomyocytes apoptosis (HICA). RT-qPCR indicated that miR-182-5p level exhibited a time-dependent manner increase in hypoxia-induced cells. The results of MTT and LDH assays indicated that cardiomyocytes injury was markedly amplified after hypoxia treatment...
April 19, 2018: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29671284/comparative-cardiovascular-risks-of-dipeptidyl-peptidase-4-inhibitors-analyses-of-real-world-data-in-korea
#11
Kyoung Hwa Ha, Bongseong Kim, Hae Sol Shin, Jinhee Lee, Hansol Choi, Hyeon Chang Kim, Dae Jung Kim
BACKGROUND AND OBJECTIVES: To compare cardiovascular disease (CVD) risk associated with 5 different dipeptidyl peptidase-4 inhibitors (DPP-4is) in people with type 2 diabetes. METHODS: We identified 534,327 people who were newly prescribed sitagliptin (n=167,157), vildagliptin (n=67,412), saxagliptin (n=29,479), linagliptin (n=220,672), or gemigliptin (n=49,607) between January 2013 and June 2015 using the claims database of the Korean National Health Insurance System...
February 27, 2018: Korean Circulation Journal
https://www.readbyqxmd.com/read/29669439/predictive-value-of-oxidized-low-density-lipoprotein-%C3%AE-2-glycoprotein-i-complexes-oxldl-%C3%AE-2-gpi-in-nonautoimmune-atherothrombosis
#12
Paul R J Ames, Giuseppe Di Girolamo, Giovanna D'Andrea, Luis R Lopez, Giovanni Gaeta, Luigi Iannaccone, Maurizio Maraglione
INTRODUCTION: Lipid oxidation is a definite feature of atherosclerosis, and oxidized low-density lipoprotein (oxLDL) is not only highly immunogenic but toxic to several cell types. Beta-2-glycoprotein-I (β2 GPI) dampens oxLDL toxicity by forming binary oxLDL/β2 GPI complexes. We evaluated whether circulating oxLDL/β2 GPI complexes are associated to atherosclerosis-related events (ARE) and to venous thromboembolism (VTE). METHODS: In a cross-sectional case-control study, cases were (a) 57 consecutive patients (male/female [M/F] 33/24, mean age 57 [10] years) attending a thrombosis unit for ARE (myocardial infarction [MI] n = 20, peripheral vascular disease n = 7, and ischemic strokes n = 30); (b) 52 consecutive patients (M/F 22/30, mean age 55 [17] years) attending the same unit for unprovoked (VTE); (c) normal controls comprised 90 participants (M/F 35/55, mean age 41 [15] years); and (d) oxLDL/β2 GPI complexes were measured by immunoassay and resulting levels divided into quartiles...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29666071/b-type-natriuretic-peptide-assessment-in-patients-undergoing-revascularization-for-left-main-coronary-artery-disease-analysis-from-the-excel-trial
#13
Björn Redfors, Shmuel Chen, Aaron Crowley, Ori Ben-Yehuda, Bernard J Gersh, Nicholas J Lembo, W Morris Brown, Adrian P Banning, David P Taggart, Patrick W Serruys, Arie Pieter Kappetein, Joseph F Sabik, Gregg W Stone
Background -Elevated B-type natriuretic peptide (BNP) is reflective of impaired cardiac function and is associated with worse prognosis among patients with coronary artery disease (CAD). We sought to assess the association between baseline BNP, adverse outcomes, and the relative efficacy of percutaneous coronary intervention (PCI) versus coronary artery bypass grafting (CABG) in patients with left main (LM) CAD. Methods -The EXCEL trial randomized patients with LMCAD and low or intermediate SYNTAX scores to PCI with everolimus-eluting stents versus CABG...
April 17, 2018: Circulation
https://www.readbyqxmd.com/read/29665002/three-dimensional-collagenous-niche-and-azacytidine-selectively-promote-time-dependent-cardiomyogenesis-from-human-bone-marrow-derived-msc-spheroids
#14
Jyotsna Joshi, Gautam Mahajan, Chandrasekhar R Kothapalli
Endogenous adult cardiac regenerative machinery is not capable of replacing the lost cells following myocardial infarction, often leading to permanent alterations in structure-function-mechanical properties. Regenerative therapies based on delivering autologous stem cells within an appropriate 3D milieu could meet such demand, by enabling homing and directed differentiation of the transplanted cells into lost specialized cell populations. Since type I collagen is the predominant cardiac tissue matrix protein, we here optimized the 3D niche which could promote time-dependent evolution of cardiomyogenesis from human bone marrow-derived mesenchymal stem cells (BM-MSC)...
April 17, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29664017/specialized-fibroblast-differentiated-states-underlie-scar-formation-in-the-infarcted-mouse-heart
#15
Xing Fu, Hadi Khalil, Onur Kanisicak, Justin G Boyer, Ronald J Vagnozzi, Bryan D Maliken, Michelle A Sargent, Vikram Prasad, Iñigo Valiente-Alandi, Burns C Blaxall, Jeffery D Molkentin
Fibroblasts are a dynamic cell type that achieve selective differentiated states to mediate acute wound healing and long-term tissue remodeling with scarring. With myocardial infarction injury, cardiomyocytes are replaced by secreted extracellular matrix proteins produced by proliferating and differentiating fibroblasts. Here, we employed 3 different mouse lineage-tracing models and stage-specific gene profiling to phenotypically analyze and classify resident cardiac fibroblast dynamics during myocardial infarction injury and stable scar formation...
April 16, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29663894/coenzyme-q10-in-cardiovascular-and-metabolic-diseases-current-state-of-the-problem
#16
Vladlena I Zozina, Serghei Covantev, Olga A Goroshko, Liudmila M Krasnykh, Vladimir G Kukes
The burden of cardiovascular and metabolic diseases is increasing with every year. Although the management of these conditions has improved greatly over the years it is still far from perfect. With all of this in mind, there is a need for new methods of prophylaxis and treatment. Coenzyme Q10 (CoQ10) is an essential compound of the human body. There is growing evidence that CoQ10 is tightly linked to cardiometabolic disorders. Its supplementation can be useful in a variety of chronic and acute disorders. This review analyses the role of CoQ10 in hypertension, ischemic heart disease, myocardial infarction, heart failure, viral myocarditis, cardiomyopathies, cardiac toxicity, dyslipidemia, obesity, type 2 diabetes mellitus, metabolic syndrome, cardiac procedures and resuscitation...
April 15, 2018: Current Cardiology Reviews
https://www.readbyqxmd.com/read/29663822/the-effect-of-intrathecal-sufentanil-preconditioning-against-myocardial-ischemia-reperfusion-injury
#17
Y Tire, G Sarkilar, H Esen, R Onoglu, S T Uzun
OBJECTIVES: We aimed to investigate the cardioprotective effect and hemodynamic response of intrathecally administered sufentanil on myocardial IR injury. BACKGROUND: Sufentanil, mu opioid receptor agonist, intravenously administered during clinical and experimental studies, has been shown to have a cardioprotective effect on myocardial ischemia-reperfusion injury. METHODS: Thirty-two New Zealand type rabbits, which were anesthetized, were divided into four equal groups: sham, ischemia-reperfusion, sufentanil and ischemia-reperfusion+sufentanil...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29660332/dusp14-knockout-accelerates-cardiac-ischemia-reperfusion-ir-injury-through-activating-nf-%C3%AE%C2%BAb-and-mapks-signaling-pathways-modulated-by-ros-generation
#18
Bin Lin, Jing Xu, De-Guang Feng, Feng Wang, Jia-Xiang Wang, Hui Zhao
Inflammation and oxidative stress are significantly involved in the progression of a variety of diseases, including myocardial ischemia/reperfusion (IR). In the present study, we hypothesized a protective role of dual-specificity phosphatase 14 (DUSP14) in myocardial IR, as well as the underlying molecular mechanism. The results indicated that DUSP14 was down-regulated following cardiac IR injury. Subsequently, the wild type (WT) and DUSP14-knockout (KO) mice were included to further reveal the potential role of DUSP14 in cardiac IR injury progression...
April 13, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29659887/homeostasis-model-assessment-of-insulin-resistance-and-survival-in-patients-with-diabetes-and-acute-coronary-syndrome
#19
Barbara E Stähli, Anna Nozza, Ilse C Schrieks, John B Buse, Klas Malmberg, Linda Mellbin, Bruce Neal, Stephen J Nicholls, Lars Rydén, Anders Svensson, Hans Wedel, Arlette Weichert, A Michael Lincoff, Diederick E Grobbee, Jean-Claude Tardif, Gregory G Schwartz
Purpose: Insulin resistance has been linked to development and progression of atherosclerosis and is present in most patients with type 2 diabetes (T2D). Whether the degree of insulin resistance predicts adverse outcomes in patients with T2D and acute coronary syndrome (ACS) is uncertain. Methods: The AleCardio trial compared the peroxisome proliferator-activated receptor-α/γ agonist aleglitazar with placebo in patients with T2D and recent ACS. In participants not treated with insulin, we determined whether baseline homeostasis model assessment of insulin resistance (HOMA-IR, n=4303) or the change in HOMA-IR on assigned study treatment (n=3568) was related to the risk of death or major adverse cardiovascular events (MACE: cardiovascular death, myocardial infarction, and stroke) in unadjusted and adjusted models...
April 6, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29656987/differential-prognostic-impact-on-mortality-of-myocardial-infarction-compared-with-bleeding-severity-in-contemporary-acute-coronary-syndrome-patients
#20
Berenice Caneiro-Queija, Emad Abu-Assi, Sergio Raposeiras-Roubín, Sergio Manzano-Fernández, Pedro Flores Blanco, Ángel López-Cuenca, Rafael Cobas-Paz, Miriam Gómez-Molina, José Manuel Rodríguez-Rodríguez, Francisco Calvo-Iglesias, Mariano Valdés-Chávarri, Andrés Íñiguez-Romo
INTRODUCTION AND OBJECTIVES: The impact on mortality of myocardial infarction (MI) compared with the specific degree of bleeding severity occurring after discharge in acute coronary syndrome is poorly characterized. Defining this relationship may help to achieve a favorable therapeutic risk-benefit balance. METHODS: Using Cox-based shared frailty models, we assessed the relationship between mortality and postdischarge MI and bleeding severity-graded according to Bleeding Academic Research Consortium (BARC)-in 4229 acute coronary syndrome patients undergoing in-hospital coronary arteriography between January 2012 and December 2015...
April 12, 2018: Revista Española de Cardiología
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