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https://www.readbyqxmd.com/read/28212919/thrombus-composition-in-sudden-cardiac-death-from-acute-myocardial-infarction
#1
Johanne Silvain, Jean-Philippe Collet, Paul Guedeney, Olivier Varenne, Chandrasekaran Nagaswami, Carole Maupain, Jean-Philippe Empana, Chantal Boulanger, Muriel Tafflet, Stephane Manzo-Silberman, Mathieu Kerneis, Delphine Brugier, Nicolas Vignolles, John W Weisel, Xavier Jouven, Gilles Montalescot, Christian Spaulding
BACKGROUND AND AIM: It was hypothesized that the pattern of coronary occlusion (thrombus composition) might contribute to the onset of ventricular arrhythmia and sudden cardiac death (SCD) in myocardial infarction (MI). METHODS: The TIDE (thrombus and inflammation in sudden death) study included patients with angiographically-proven acute coronary occlusion as the cause of a ST elevation MI (STEMI) complicated by Sudden Cardiac Death (SCD group) or not (STEMI group)...
February 14, 2017: Resuscitation
https://www.readbyqxmd.com/read/28212603/effects-of-renal-denervation-on-cardiac-oxidative-stress-and-local-activity-of-the-sympathetic-nervous-system-and-renin-angiotensin-system-in-acute-myocardial-infracted-dogs
#2
Qiaoli Feng, Chengzhi Lu, Li Wang, Lijun Song, Chao Li, Ravi Chandra Uppada
BACKGROUND: This study sought to evaluate the therapeutic effects of renal denervation (RDN) on acute myocardial infarction (MI) in canines and explore its possible mechanisms of action. METHODS: Eighteen healthy mongrel dogs were randomly assigned to either the control group, the MI group or the MI + RDN group. To assess cardiac function, left ventricular ejection fraction (LVEF), left ventricular end-diastolic dimension (LVEDD), left ventricular end-systolic dimension (LVESD) and fraction shortening (FS) were recorded...
February 17, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28204966/inhibition-of-the-renin-angiotensin-system-post-myocardial-infarction-prevents-inflammation-associated-acute-cardiac-rupture
#3
Xiao-Ming Gao, Alan Tsai, Annas Al-Sharea, Yidan Su, Shirley Moore, Li-Ping Han, Helen Kiriazis, Anthony M Dart, Andrew J Murphy, Xiao-Jun Du
PURPOSE: Inhibition of the renin-angiotensin system (RAS) is beneficial in patient management after myocardial infarction (MI). However, whether RAS inhibition also provides cardiac protection in the acute phase of MI is unclear. METHODS: Male 129sv mice underwent coronary artery occlusion to induce MI, followed by treatment with losartan (L, 20 and 60 mg/kg), perindopril (P, 2 and 6 mg/kg), amlodipine (20 mg/kg as a BP-lowering agent) or vehicle as control. Drug effects on hemodynamics were examined...
February 15, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28203406/effects-of-recombinant-human-brain-natriuretic-peptide-on-the-prognosis-of-patients-with-acute-anterior-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention-a-prospective-multi-center-randomized-clinical-trial
#4
Zhi-Lin Miao, Ai-Jie Hou, Hong-Yun Zang, Ru-Gang Huang, Xiao-Qun Zheng, Hai-Long Lin, Wei Wang, Ping Hou, Fei Xia, Zhan-Quan Li
BACKGROUND: This study aims to investigate the effects of recombinant human brain natriuretic peptide (rhBNP) on serum enzyme data, cardiac function parameters and cardiovascular events in patients with acute anterior myocardial infarction (MI). METHODS: A total of 421 patients with acute anterior or extensive anterior MI were collected from 20 hospitals. These patients were randomly divided into two groups: rhBNP and control groups. Both groups of patients received primary percutaneous coronary intervention (PCI) within the effective time window...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28202581/identification-and-functional-implications-of-sodium-myo-inositol-cotransporter-1-in-pancreatic-beta-cells-and-type-2-diabetes-mellitus
#5
Stephen Yu Ting Li, Sam Tsz Wai Cheng, Dan Zhang, Po Sing Leung
Myo-inositol (MI), the precursor of the second messenger phosphoinositide (PI), mediates multiple cellular events. Rat islets exhibit active transport of MI, though the mechanism involved remains elusive. Here, we report, for the first time, the expression of sodium/myo-inositol cotransporter 1 (SMIT1) in rat islets and specifically, β-cells. Genetic or pharmacological inhibition of SMIT impaired glucose-stimulated insulin secretion by INS-1E cells, probably via down-regulation of PI signaling. Additionally, we found that SMIT1 expression in INS-1E cells and isolated islets was augmented by acute high-glucose exposure and reduced in chronic hyperglycemia conditions...
February 15, 2017: Diabetes
https://www.readbyqxmd.com/read/28202059/cardiosphere-derived-cells-do-not-improve-cardiac-function-in-rats-with-cardiac-failure
#6
Taís Hanae Kasai-Brunswick, Andréa Rodrigues da Costa, Raiana Andrade Quintanilha Barbosa, Bruna Farjun, Fernanda Cristina Paccola Mesquita, Danúbia Silva Dos Santos, Isalira Peroba Ramos, Grazielle Suhett, Guilherme Visconde Brasil, Sandro Torrentes da Cunha, José Oscar R Brito, Juliana do Amaral Passipieri, Adriana Bastos Carvalho, Antonio Carlos Campos de Carvalho
BACKGROUND: Heart failure represents an important public health issue due to its high costs and growing incidence worldwide. Evidence showing the regenerative potential of postmitotic heart tissue has suggested the existence of endogenous cardiac stem cells in adult hearts. Cardiosphere-derived cells (CDC) constitute a candidate pool of such cardiac stem cells. Previous studies using acute myocardial infarction (MI) models in rodents demonstrated an improvement in cardiac function after cell therapy with CDC...
February 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28195516/young-adulthood-cognitive-ability-predicts-statin-adherence-in-middle-aged-men-after-first-myocardial-infarction-a-swedish-national-registry-study
#7
John Wallert, Claudia Lissåker, Guy Madison, Claes Held, Erik Olsson
Background Cognitive ability (CA) is positively related to later health, health literacy, health behaviours and longevity. Accordingly, a lower CA is expected to be associated with poorer adherence to medication. We investigated the long-term role of CA in adherence to prescribed statins in male patients after a first myocardial infarction (MI). Methods CA was estimated at 18-20 years of age from Military Conscript Register data for first MI male patients (≤60 years) and was related to the one- and two-year post-MI statin adherence on average 30 years later...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28195387/baseline-adiponectin-concentration-and-clinical-outcomes-among-patients-with-diabetes-and-recent-acute-coronary-syndrome-in-the-examine-trial
#8
Brian A Bergmark, Christopher P Cannon, William B White, Petr Jarolim, Yuyin Liu, Marc P Bonaca, Faiez Zannad, David A Morrow
INTRODUCTION: Adiponectin is a pleiotropic adipocytokine with a strong inverse (protective) association with obesity, diabetes, and cardiovascular outcomes in stable patients. However, this relationship may be reversed in the setting of acute coronary syndrome (ACS). Given this possible complex relationship, we investigated adiponectin and cardiovascular (CV) outcomes in patients with diabetes and recent ACS. MATERIALS AND METHODS: We analyzed baseline adiponectin concentration and CV outcomes in 5,213 patients with type 2 diabetes enrolled 15-90 days (median 45 days) after ACS in the EXAMINE trial of alogliptin vs placebo...
February 14, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28194654/the-risk-of-ischemic-cardio-and-cerebrovascular-events-associated-with-oxycodone-naloxone-and-other-extended-release-high-potency-opioids-a-nested-case-control-study
#9
Kathrin Jobski, Bianca Kollhorst, Edeltraut Garbe, Tania Schink
INTRODUCTION: In Germany, an extended-release (ER) combination of the high-potency opioid (HPO) oxycodone and the antagonist naloxone was approved in 2006. In recent years, the cardio- and cerebrovascular safety of opioid antagonists and of opioids themselves has been discussed. OBJECTIVES: The objective of this study was to estimate the risk of major ischemic cardio- and cerebrovascular events in patients receiving ER oxycodone-naloxone compared with those receiving other ER HPOs...
February 13, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28193696/astrocytic-orosomucoid-2-modulates-microglial-activation-and-neuroinflammation
#10
Myungjin Jo, Jong-Heon Kim, Gyunjee Song, Minchul Seo, Eun Mi Hwang, Kyoungho Suk
Orosomucoid (ORM) is an acute-phase protein that belongs to the immunocalin subfamily, a group of small-molecule binding proteins with immunomodulatory functions. Little is known about the role of ORM proteins in the central nervous system. The aim of the present study was to investigate the brain expression of ORM and its role in neuroinflammation. Expression of Orm2, but not Orm1 or Orm3, was highly induced in the mouse brain after systemic injection of lipopolysaccharide (LPS). Plasma levels of ORM2 were also significantly higher in patients with cognitive impairment than in normal subjects...
February 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28193690/lingo-1-regulates-oligodendrocyte-differentiation-through-the-cytoplasmic-gelsolin-signaling-pathway
#11
Zhaohui Shao, Xinhua Lee, Guanrong Huang, Guoqing Sheng, Christopher E Henderson, Daniel Louvard, Jiho Sohn, Blake Pepinsky, Sha Mi
Differentiation and maturation of oligodendrocyte progenitor cells (OPCs) involve the assembly and disassembly of actin microfilaments. How actin dynamics is regulated during this process remains poorly understood. Leucine rich repeat and Immunoglobulin-like domain-containing Nogo receptor interacting protein 1(LINGO-1) is a negative regulator of OPC differentiation. We discovered that anti-LINGO-1 antibody promoted OPC differentiation was accompanied by upregulation of cytoplasmic gelsolin (cGSN), an abundant actin-severing protein involved in the depolymerization of actin filaments...
February 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28193250/a-novel-modified-indirect-elisa-based-on-spherical-body-protein-4-for-detecting-antibody-during-acute-and-long-term-infections-with-diverse-babesia-bovis-strains
#12
Chungwon J Chung, Carlos E Suarez, Carey L Bandaranayaka-Mudiyanselage, Chandima-Bandara Bandaranayaka-Mudiyanselage, Joanna Rzepka, T J Heiniger, Grace Chung, Stephen S Lee, Ethan Adams, Grace Yun, Susan J Waldron
BACKGROUND: Cattle persistently infected with Babesia bovis are reservoirs for intra- and inter-herd transmission. Since B. bovis is considered a persistent infection, developing a reliable, high-throughput assay that detects antibody during all stages of the infection could be pivotal for establishing better control protocols. METHODS: A modified indirect enzyme-linked immunosorbent assay (MI-ELISA) was developed using the spherical body protein-4 (SBP4) of B. bovis to detect antibody against diverse strains through all infection stages in cattle...
February 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28191875/clinical-outcomes-with-the-stentys-self-apposing-coronary-stent-in-patients-presenting-with-st-segment-elevation-myocardial-infarction-2-year-insights-from-the-appostion-iii-a-post-market-registry-to-assess-the-stentys-self-expanding-coronary-stent-in-acute
#13
Huangling Lu, Maik J Grundeken, Nicola S Vos, Alexander J J Ijsselmuiden, Robert-Jan van Geuns, Rainer Wessely, Thomas Dengler, Alessio La Manna, Johanne Silvain, Gilles Montalescot, René Spaargaren, Jan G P Tijssen, Giovanni Amoroso, Robbert J de Winter, Karel T Koch
AIMS: The APPOSITION III registry evaluated the feasibility and performance of the STENTYS self- apposing stent in a ST-segment elevation myocardial infarction (STEMI) population. This novel self- apposing stent device lowers stent strut malapposition rates and therefore bears the potential to prevent stent undersizing during primary percutaneous coronary intervention (PCI) in STEMI patients. Up to date, no long-term data is available using this device in the setting of STEMI. We aimed to evaluate long-term clinical outcomes of the APPOSITION III registry...
February 14, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28191514/anticoagulant-therapy-for-non-st-segment-elevation-acute-coronary-syndrome-in-china-a-multi-center-observational-study
#14
Xiao-Huan Gong, Jin-Ming Yu, Yong Mao, Da-Yi Hu
OBJECTIVE: To assess the anticoagulant therapy for non-ST-segment elevation acute coronary syndrome (NSTE-ACS) in China and to offer the rationale for establishing reasonable strategies to improve the prognosis of NSTE-ACS. METHODS: A total of 1,502 patients with NSTE-ACS were recruited from 28 third-grade hospitals distributed in 14 provinces and cities in China from December 2009 to December 2011. The strategies for diagnosis and treatment, decided by each hospital respectively, were used for further analysis and comparison of medication, percutaneous coronary intervention (PCI), and end points for efficacy and safety assessment at 9 and 30 days following PCI...
April 1, 2016: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28188434/bloodless-reperfusion-with-the-oxygen-carrier-hboc-201-in-acute-myocardial-infarction-a-novel-platform-for-cardioprotective-probes-delivery
#15
Jose M García-Ruiz, Carlos Galán-Arriola, Rodrigo Fernández-Jiménez, Jaume Aguero, Javier Sánchez-González, Ana García-Alvarez, Mario Nuno-Ayala, Gregory P Dubé, Zafiris Zafirelis, Gonzalo J López-Martín, Juan A Bernal, Enrique Lara-Pezzi, Valentín Fuster, Borja Ibáñez
Reperfusion, despite being required for myocardial salvage, is associated with additional injury. We hypothesize that infarct size (IS) will be reduced by a period of bloodless reperfusion with hemoglobin-based oxygen carriers (HBOC) before blood-flow restoration. In the pig model, we first characterized the impact of intracoronary perfusion with a fixed volume (600 ml) of a pre-oxygenated acellular HBOC, HBOC-201, on the healthy myocardium. HBOC-201 was administered through the lumen of the angioplasty balloon (i...
March 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28183160/long-term-outcomes-after-salvage-radiotherapy-for-postoperative-locoregionally-recurrent-non-small-cell-lung-cancer
#16
Eunji Kim, Changhoon Song, Mi Young Kim, Jae-Sung Kim
Purpose: The outcomes and toxicities of locoregionally recurrent non-small-cell lung cancer (NSCLC) patients treated with curative radiotherapy were evaluated in the modern era. Materials and Methods: Fifty-seven patients receiving radical radiotherapy for locoregionally recurrent NSCLC without distant metastasis after surgery from 2004 to 2014 were reviewed. Forty-two patients were treated with concurrent chemoradiotherapy (CCRT), and 15 patients with radiotherapy alone...
February 13, 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28181202/long-term-outcome-of-acute-coronary-syndromes-in-young-patients
#17
Giacomo Tini, Giulia Proietti, Matteo Casenghi, Marzia Colopi, Katia Bontempi, Camillo Autore, Massimo Volpe, Beatrice Musumeci
INTRODUCTION: Acute coronary syndromes (ACS) in young patients are uncommon and their influence on morbidity and mortality in this population is still debated. AIM: We investigated clinical and angiographic characteristics, risk factors and outcome in young patients diagnosed with ACS, compared with those of older patients, evaluating survival free from death and/or nonfatal myocardial infarction (MI) and/or coronary revascularization (primary endpoint), and then with respect to each component of the primary endpoint...
February 8, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28179016/shock-induced-endotheliopathy-shine-in-acute-critical-illness-a-unifying-pathophysiologic-mechanism
#18
REVIEW
PärIngemar Johansson, Jakob Stensballe, SisseRye Ostrowski
One quarter of patients suffering from acute critical illness such as severe trauma, sepsis, myocardial infarction (MI) or post cardiac arrest syndrome (PCAS) develop severe hemostatic aberrations and coagulopathy, which are associated with excess mortality. Despite the different types of injurious "hit", acutely critically ill patients share several phenotypic features that may be driven by the shock. This response, mounted by the body to various life-threatening conditions, is relatively homogenous and most likely evolutionarily adapted...
February 9, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28177951/biomass-burning-as-a-source-of-ambient-fine-particulate-air-pollution-and-acute-myocardial-infarction
#19
Scott Weichenthal, Ryan Kulka, Eric Lavigne, David van Rijswijk, Michael Brauer, Paul J Villeneuve, Dave Stieb, Lawrence Joseph, Rick T Burnett
BACKGROUND: Biomass burning is an important source of ambient fine particulate air pollution (PM2.5) in many regions of the world. METHODS: We conducted a time-stratified case-crossover study of ambient PM2.5 and hospital admissions for myocardial infarction (MI) in three regions of British Columbia, Canada. Daily hospital admission data were collected between 2008-2015 and PM2.5 data were collected from fixed-site monitors. We used conditional logistic regression models to estimate odds ratios (ORs) describing the association between PM2...
February 3, 2017: Epidemiology
https://www.readbyqxmd.com/read/28176791/il-36%C3%AE-is-a-crucial-proximal-component-of-protective-type-1-mediated-lung-mucosal-immunity-in-gram-positive-and-negative-bacterial-pneumonia
#20
M A Kovach, B Singer, G Martinez-Colon, M W Newstead, X Zeng, P Mancuso, T A Moore, S L Kunkel, M Peters-Golden, B B Moore, T J Standiford
Interleukin-36γ (IL-36γ) is a member of novel IL-1-like proinflammatory cytokine family that are highly expressed in epithelial tissues and several myeloid-derived cell types. Little is known about the role of the IL-36 family in mucosal immunity, including lung anti-bacterial responses. We used murine models of IL-36γ deficiency to assess the contribution of IL-36γ in the lung during experimental pneumonia. Induction of IL-36γ was observed in the lung in response to Streptococcus pneumoniae (Sp) infection, and mature IL-36γ protein was secreted primarily in microparticles...
February 8, 2017: Mucosal Immunology
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