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Myocardial infarction II type

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https://www.readbyqxmd.com/read/28091615/pirfenidone-controls-the-feedback-loop-of-the-at1r-p38-mapk-renin-angiotensin-system-axis-by-regulating-liver-x-receptor-%C3%AE-in-myocardial-infarction-induced-cardiac-fibrosis
#1
Chunmei Li, Rui Han, Le Kang, Jianping Wang, Yonglin Gao, Yanshen Li, Jie He, Jingwei Tian
Pirfenidone (PFD), an anti-fibrotic small molecule drug, is used to treat fibrotic diseases, but its effects on myocardial infarction (MI)-induced cardiac fibrosis are unknown. The aim of this study was to determine the effects of PFD on MI-induced cardiac fibrosis and the possible underlying mechanisms in rats. After establishment of the model, animals were administered PFD by gavage for 4 weeks. During the development of MI-induced cardiac fibrosis, we found activation of a positive feedback loop between the angiotensin II type 1 receptor (AT1R)/phospho-p38 mitogen-activated protein kinase (p38 MAPK) pathway and renin-angiotensin system (RAS), which was accompanied by down-regulation of liver X receptor-α (LXR-α) expression...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28065931/intermedin-1-53-inhibits-myocardial-fibrosis-in-rats-by-down-regulating-transforming-growth-factor-%C3%AE
#2
Jian Fang, Jiangwei Luan, Gaohong Zhu, Chang Qi, Zhiyong Yang, Sheng Zhao, Bin Li, Xinzhong Zhang, Naipeng Guo, Xiaodong Li, Dandan Wang
BACKGROUND Myocardial fibrosis is the result of persistent anoxia and ischemic myocardial fibers caused by coronary atherosclerotic stenosis, which lead to heart failure, threatening the patient's life. This study aimed to explore the regulatory role of intermedin 1-53 (IMD1-53) in cardiac fibrosis using neonatal rat cardiac fibroblasts and a myocardial infarction (MI) rat model both in vitro and in vivo. MATERIAL AND METHODS The Western blot method was used to detect the protein expression of collagen I and collagen III in myocardial fibroblasts...
January 9, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28036029/fenofibrate-therapy-restores-antioxidant-protection-and-improves-myocardial-insulin-resistance-in-a-rat-model-of-metabolic-syndrome-and-myocardial-ischemia-the-role-of-angiotensin-ii
#3
Luz Ibarra-Lara, María Sánchez-Aguilar, Alicia Sánchez-Mendoza, Leonardo Del Valle-Mondragón, Elizabeth Soria-Castro, Elizabeth Carreón-Torres, Eulises Díaz-Díaz, Héctor Vázquez-Meza, Verónica Guarner-Lans, María Esther Rubio-Ruiz
Renin-angiotensin system (RAS) activation promotes oxidative stress which increases the risk of cardiac dysfunction in metabolic syndrome (MetS) and favors local insulin resistance. Fibrates regulate RAS improving MetS, type-2 diabetes and cardiovascular diseases. We studied the effect of fenofibrate treatment on the myocardic signaling pathway of Angiotensin II (Ang II)/Angiotensin II type 1 receptor (AT1) and its relationship with oxidative stress and myocardial insulin resistance in MetS rats under heart ischemia...
December 28, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28025216/hydroxychloroquine-for-the-prevention-of-recurrent-cardiovascular-events-in-myocardial-infarction-patients-rationale-and-design-of-the-oxi-trial
#4
Otto Hartman, Petri T Kovanen, Jukka Lehtonen, Kari K Eklund, Juha Sinisalo
BACKGROUND: Inflammation of the arterial wall plays a central role in the pathogenesis of atherosclerosis. Among patients with rheumatic diseases, anti-rheumatic medication reduces the incidence of cardiovascular (CV) diseases, but only few studies have addressed their cardioprotective effects on patients with no rheumatic diseases. Hydroxychloroquine (HCQ) is an anti-rheumatic drug commonly used in the treatment of rheumatoid arthritis and systemic lupus erythematosus. In addition to its anti-inflammatory properties, HCQ reduces cholesterol levels and the risk of type II diabetes, and has also anti-platelet effects...
November 8, 2016: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/28002752/coronary-atherosclerosis-burden-by-coronary-computed-tomography-in-type-ii-diabetes-with-preclinical-non-obstructive-carotid-atherosclerosis-and-without-inducible-myocardial-ischemia
#5
Vittorio Palmieri, Enzo Gravino, Cesare Russo, Armenio Salvati, Carmelo Lombardi, Rosario Sauro, Giuseppe Rosato
AIMS: To quantify cardiovascular risk in persons with type-2 diabetes (DM) and established carotid atherosclerosis, without inducible myocardial ischemia by stress imaging. METHODS: We selected clinically healthy DM and subjects without DM (nonDM, controls) with non-obstructive carotid atherosclerosis and without significant coronary artery disease (CAD) by stress echocardiography. Coronary flow velocity reserve (CFR) was assessed during stress echocardiography...
December 5, 2016: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/27990259/anterior-single-odontoid-screw-placement-for-type-ii-odontoid-fractures-our-modified-surgical-technique-and-initial-results-in-a-cohort-study-of-15-patients
#6
Binod Bhattarai, Sunil Munakomi, Karuna Tamrakar, Pramod Kumar Chaudhary
Objective: Anterior odontoid screw fixation for type II odontoid fracture is the ideal management option. However in the context of unavailability of an O-arm or neuro-navigation and poor images from the available C-arm may be an obstacle to ideal trajectory and placement of the odontoid screw. We herein detail  our surgical technique so as to ensure a correct trajectory and subsequent good fusion in Type II odontoid fractures. This may be advantageous  in clinical set ups lacking state of the art facilities...
2016: F1000Research
https://www.readbyqxmd.com/read/27986486/one-year-pivotal-trial-outcomes-of-the-nellix-system-for-endovascular-aneurysm-sealing
#7
Jeffrey P Carpenter, Robert Cuff, Clifford Buckley, Christopher Healey, Sajjad Hussain, Michel M P J Reijnen, Jose Trani, Dittmar Böckler
OBJECTIVE: The Nellix EndoVascular Aneurysm Sealing (EVAS) System (Endologix, Inc, Irvine, Calif) is a novel approach to abdominal aortic aneurysm (AAA) treatment whereby polymer is used to fill the AAA sac. We report 1-year results of the investigational device exemption pivotal trial. METHODS: Eligible patients were treated at 30 sites in the United States and Europe. Inclusion criteria required an asymptomatic infrarenal AAA, with a neck length ≥10 mm and ≤60° angle, iliac artery blood lumen diameter 9 to 35 mm, access artery diameter ≥6 mm, and serum creatinine ≤2 mg/dL...
December 13, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27986479/prospective-nonrandomized-study-to-evaluate-endovascular-repair-of-pararenal-and-thoracoabdominal-aortic-aneurysms-using-fenestrated-branched-endografts-based-on-supraceliac-sealing-zones
#8
Gustavo S Oderich, Mauricio Ribeiro, Jan Hofer, Jean Wigham, Stephen Cha, Julia Chini, Thanila A Macedo, Peter Gloviczki
PURPOSE: To investigate outcomes of manufactured fenestrated and branched endovascular aortic repair (F-BEVAR) endografts based on supraceliac sealing zones to treat pararenal aortic aneurysms and thoracoabdominal aortic aneurysms (TAAAs). METHODS: A total of 127 patients (91 male, mean age 75 ± 10 years old) were enrolled in a prospective, nonrandomized single-center study using manufactured F-BEVAR (November 2013-March 2015). Stent design was based on supraceliac sealing zone in all patients with ≥ four vessels in 111 (89%)...
December 13, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27965177/a-rare-presentation-of-type-ii-myocardial-infarction-mimicking-takotsubo-cardiomyopathy
#9
Georgios Tzanis, Maria Bonou, John Barbetseas
No abstract text is available yet for this article.
October 18, 2016: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/27907128/fasa-registry-on-acute-myocardial-infarction-farmi-feasibility-study-and-pilot-phase-results
#10
Ehsan Bahramali, Alireza Askari, Habib Zakeri, Mojtaba Farjam, Azizallah Dehghan, Kazem Zendehdel
BACKGROUND: Myocardial infarction (MI) is the leading cause of death in Iran. Every attempt to improve treatment patterns and patient outcomes needs a surveillance system to both consider the efficacy and safety measures. Fasa Registry on Myocardial Infarction (FaRMI) is the first population-based registry for acute MI in Iran targeted to provide meticulous description of patients' characteristics, to explore the management patterns of these patients, to discover the degree of adherence to the practice guidelines, and to investigate the determinants of poor in-hospital and later outcomes...
2016: PloS One
https://www.readbyqxmd.com/read/27866027/cardiovascular-outcomes-with-sodium-glucose-cotransporter-2-inhibitors-in-patients-with-type-ii-diabetes-mellitus-a-meta-analysis-of-placebo-controlled-randomized-trials
#11
Marwan Saad, Ahmed N Mahmoud, Islam Y Elgendy, Ahmed Abuzaid, Amr F Barakat, Akram Y Elgendy, Mohammad Al-Ani, Amgad Mentias, Ramez Nairooz, Anthony A Bavry, Debabrata Mukherjee
BACKGROUND: The impact of sodium-glucose cotransporter-2 (SGLT-2) inhibitors on cardiovascular outcomes in patients with type II diabetes mellitus (DM) is not well established. METHODS: We searched electronic databases from inception through July 2016 for randomized, placebo-controlled trials, involving SGLT-2 inhibitors. Fixed-effects summary odds ratios (OR) were constructed using Peto model. RESULTS: Eighty-one trials with a total of 37,195 patients were included...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27853098/prospective-identification-of-stent-fracture-by-enhanced-stent-visualization-system-during-percutaneous-coronary-intervention
#12
Simone Biscaglia, Matteo Tebaldi, Carlo Tumscitz, Rita Pavasini, Jlenia Marchesini, Francesco Gallo, Giosafat Spitaleri, Fatima Zaraket, Matteo Serenelli, Paolo Cimaglia, Giulia Bugani, Gianluca Campo
BACKGROUND: No study has evaluated the clinical consequences of stent fracture (SF) detected during the index percutaneous coronary intervention (PCI). Thus, we sought to investigate the relationship between SF detected during PCI and clinical outcome.Methods and Results:We consecutively enrolled 832 patients with SF-predisposing factors undergoing 2nd-generation drug-eluting stent implantation and enhanced stent visualization (ESV) system evaluation to detect SF at index PCI. The primary endpoint was a 9-month device-oriented endpoint (DOCE, including cardiac death, target vessel myocardial infarction, and target lesion revascularization)...
December 22, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27837397/from-arb-to-arni-in-cardiovascular-control
#13
REVIEW
Estrellita Uijl, Lodi C W Roksnoer, Ewout J Hoorn, A H Jan Danser
Coexistence of hypertension, diabetes mellitus and chronic kidney disease synergistically aggravates the risk of cardiovascular and renal morbidity and mortality. These high-risk, multi-morbid patient populations benefit less from currently available anti-hypertensive treatment. Simultaneous angiotensin II type 1 receptor blockade and neprilysin inhibition ('ARNI') with valsartan/sacubitril (LCZ696) might potentiate the beneficial effects of renin-angiotensin-aldosterone inhibition by reinforcing its endogenous counterbalance, the natriuretic peptide system...
December 2016: Current Hypertension Reports
https://www.readbyqxmd.com/read/27830194/effect-of-high-fat-diet-on-pulmonary-expression-of-parathyroid-hormone-related-protein-and-its-downstream-targets
#14
Learta Oruqaj, Svenja Forst, Rolf Schreckenberg, Javier Inserte, Marcos Poncelas, Jordi Bañeras, David Garcia-Dorado, Susanne Rohrbach, Klaus-Dieter Schlüter
AIMS: Parathyroid hormone-related protein (PTHrP) is involved in lung development and surfactant production. The latter one requires a paracrine interaction between type II alveolar cells and lipofibroblasts in which leptin triggers PTHrP-induced effects. Whether increased plasma leptin levels, as they occur in high fat diet, modify the expression of PTHrP remains unclear. Furthermore, the effect of high fat diet under conditions of forced pulmonary remodelling such as response to post myocardial infarction remains to be defined...
October 2016: Heliyon
https://www.readbyqxmd.com/read/27826337/the-relationship-between-angiotensin-ii-type-1-receptor-gene-polymorphism-and-repolarization-parameters-after-a-first-anterior-acute-myocardial-infarction
#15
Onder Ozturk, Unal Ozturk, Sebnem Nergiz, M Zulkif Karahan
BACKGROUND AND OBJECTIVES: Genetic influence on T-wave peak to End (Tpe) time in patients with a first anterior acute myocardial infarction (AMI) is uncertain. A polymorphism in the angiotensin-II type 1 receptor (AT1R) gene was discovered recently. The polymorphism consists of an A or C variant, given three different possible genotypes: AA, AC, CC. The purpose of this study was to determine the effects of polymorphism of the AT1R gene polymorphism on Tpe after a first anterior AMI. SUBJECTS AND METHODS: The subjects were 142 patients (110 men, 32 women, 58±13 years) with a first anterior AMI; ten patients were excluded from this study...
November 2016: Korean Circulation Journal
https://www.readbyqxmd.com/read/27822383/neuronal-nitric-oxide-synthase-in-hypertension-an-update
#16
REVIEW
Yin Hua Zhang
Hypertension is a prevalent condition worldwide and is the key risk factor for fatal cardiovascular complications, such as stroke, sudden cardiac death and heart failure. Reduced bioavailability of nitric oxide (NO) in the endothelium is an important precursor for impaired vasodilation and hypertension. In the heart, NO deficiency deteriorates the adverse consequences of pressure-overload and causes cardiac hypertrophy, fibrosis and myocardial infarction which lead to fatal heart failure and sudden cardiac death...
2016: Clinical Hypertension
https://www.readbyqxmd.com/read/27809355/aliskiren-protects-against-myocardial-ischemia-reperfusion-injury-via-an-endothelial-nitric-oxide-synthase-dependent-manner
#17
Yu Chen, Guoliang Meng, Wenli Bai, Yan Ma, Liping Xie, Naila Altaf, Yanning Qian, Yi Han, Yong Ji
Aliskiren, a direct renin inhibitor, was shown potent ability to attenuate hypertension. Our previous research has found that aliskiren protected against myocardial ischemia-reperfusion (I/R) injury and enhanced phosphorylation of endothelial nitric oxide synthase (eNOS) in spontaneously hypertensive rats. However, whether the cardioprotective effect of aliskiren against myocardial I/R injury was eNOS-dependent is unknown. In the present study, 12-week-old male eNOS knockout (eNOS(-/-) ) and wild-type C57BL/6J mice (WT) were orally administrated with the dose of 50 mg/kg/day of aliskiren...
November 3, 2016: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/27754163/sy-11-3-hypertension-in-women-more-dangerous-than-in-men
#18
Suzanne Oparil
Heart disease, stroke, and kidney failure are leading causes of death worldwide, and hypertension is a significant risk factor for each. Hypertension is less common in women, compared to men, in those younger than 45 years of age. This trend is reversed in those 65 years and older. In the US between 2011-2014, the prevalence of hypertension in women and men by age group was 6% vs 8% (18-39 years), 30% vs 35% (40-59 years), and 67% vs 63% (60 years and over). Awareness, treatment, and control rates differ between genders with women being more aware of their diagnosis (85% vs 80%), more likely to take their medications (81% vs 71%) and more frequently having controlled hypertension (55% vs 49%)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753830/sy-03-3-overview-of-somatic-mutations-and-epigenetic-regulation-of-aldosterone-producing-adenoma-apa
#19
Satoshi Umemura
Primary aldosteronism (PA) is a heterogeneous group of disorders including both sporadic and familial forms (familial hyperaldosteronism type I, II and III). PA is the most frequent endocrine cause of secondary hypertension and associated with a higher rate of cardiovascular complications, compared with essential hypertension.Here I review the recent progress in understanding of the genetic and molecular mechanisms leading to autonomous aldosterone production in PA.Systematic screening detects primary aldosteronism in 5 to 10% of all patients with hypertension and in approximately 20% of patients with resistant hypertension...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27707620/management-of-patients-with-acute-aortic-syndrome-through-a-regional-rapid-transport-system
#20
Miguel Manzur, Sukgu M Han, Joie Dunn, Ramsey S Elsayed, Fernando Fleischman, Yolee Casagrande, Fred A Weaver
OBJECTIVE: The objective of this study was to describe the outcomes of patients with acute aortic syndrome (AAS) during and after transfer to a regional aortic center by a rapid transport system. METHODS: Review of patients with AAS who were transferred by a rapid transport system to a regional aortic center was performed. Data regarding demographics, diagnosis, comorbidities, transportation, and hospital course were acquired. Severity of existing comorbidities was determined by the Society for Vascular Surgery Comorbidity Severity Score (SVSCSS)...
January 2017: Journal of Vascular Surgery
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