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ST-segment elevation myocardial infarction

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https://www.readbyqxmd.com/read/28647870/prothrombotic-genetic-risk-factors-in-patients-with-very-early-st-segment-elevation-myocardial-infarction
#1
Loukianos S Rallidis, Argyri Gialeraki, Georgios Tsirebolos, Stylianos Tsalavoutas, Maria Rallidi, Efstathios Iliodromitis
The contribution of prothrombotic genetic risk factors in the pathogenesis of premature acute myocardial infarction (MI) is controversial. We examined the prevalence of prothrombotic polymorphisms (G1691A of factor V gene [FV Leiden] and G20210A of prothrombin [FII] gene), deficiencies of natural anticoagulants (protein C, protein S and antithrombin III) and antiphospholipid syndrome (APS) in patients with early ST-segment elevation MI (STEMI). We recruited 255 consecutive patients who had survived a STEMI ≤ 35 years of age (224 men)...
June 24, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28647690/acute-kidney-injury-after-primary-angioplasty-is-contrast-induced-nephropathy-the-culprit
#2
Oren Caspi, Manhal Habib, Yuval Cohen, Arthur Kerner, Ariel Roguin, Eitan Abergel, Monther Boulos, Michael R Kapeliovich, Rafael Beyar, Eugenia Nikolsky, Doron Aronson
BACKGROUND: Acute kidney injury (AKI) following primary percutaneous coronary intervention (pPCI) is frequently interpreted as contrast-induced AKI but may result from other insults. We aimed to determine the causal association of contrast material exposure and the incidence of AKI following pPCI using a control group of propensity score-matched patients with ST-segment-elevation myocardial infarction who were not exposed to contrast material. METHODS AND RESULTS: We studied 2025 patients with ST-segment-elevation myocardial infarction who underwent pPCI and 1025 patients receiving fibrinolysis or no reperfusion who were not exposed to contrast material during the first 72 hours of hospital stay (control group)...
June 24, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28647465/french-registry-on-acute-st-elevation-and-non-st-elevation-myocardial-infarction-2015-fast-mi-2015-design-and-baseline-data
#3
Loïc Belle, Guillaume Cayla, Yves Cottin, Pierre Coste, Khalife Khalife, Jean-Noël Labèque, Bruno Farah, Thibaut Perret, Patrick Goldstein, Pierre-Yves Gueugniaud, François Braun, Jacques Gauthier, Martine Gilard, Jean-Yves Le Heuzey, Nicolas Naccache, Elodie Drouet, Vincent Bataille, Jean Ferrières, Etienne Puymirat, François Schiele, Tabassome Simon, Nicolas Danchin
BACKGROUND: The FAST-MI programme, consisting of 1-month surveys of patients admitted to hospital for acute myocardial infarction (AMI) in France, has run since 2005. AIM: To gather data on the characteristics, management and outcomes of patients hospitalized for AMI at the end of 2015 in France and to provide comparisons with the previous surveys. METHODS: Consecutive adults with ST-segment elevation myocardial infarction (STEMI) or non-ST-segment-elevation myocardial infarction (NSTEMI) with symptom onset≤48hours were included over a 1-month period, with a possible extension of recruitment for 1 additional month...
June 21, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28645937/quality-of-care-in-chinese-hospitals-processes-and-outcomes-after-st-segment-elevation-myocardial-infarction
#4
Nicholas S Downing, Yongfei Wang, Kumar Dharmarajan, Sudhakar V Nuti, Karthik Murugiah, Xue Du, Xin Zheng, Xi Li, Jing Li, Frederick A Masoudi, John A Spertus, Lixin Jiang, Harlan M Krumholz
BACKGROUND: China has gaps in the quality of care provided to patients with ST-elevation myocardial infarction, but little is known about how quality varies between hospitals. METHODS AND RESULTS: Using nationally representative data from the China PEACE-Retrospective AMI Study, we characterized the quality of care for ST-elevation myocardial infarction at the hospital level and examined variation between hospitals. Two summary measures were used to describe the overall quality of care at each hospital and to characterize variations in quality between hospitals in 2001, 2006, and 2011...
June 23, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28645882/cardiopreventive-effect-of-ethanolic-extract-of-date-palm-pollen-against-isoproterenol-induced-myocardial-infarction-in-rats-through-the-inhibition-of-the-angiotensin-converting-enzyme
#5
Amal Daoud, Fedia Ben Mefteh, Kais Mnafgui, Mouna Turki, Salwa Jmal, Rawdha Ben Amar, Fatma Ayadi, Abdelfattah ElFeki, Leila Abid, Mostafa E Rateb, Lassaad Belbahri, Adel Kadri, Neji Gharsallah
The present study aimed to examine the putative preventive effect of the ethanolic extract Date Palm Pollen (DPP, Phoenix dactylifera L., family Arecaceae) on isoproterenol-induced myocardial infarction (MI) in rats. Twenty four rats were randomly divided into four groups including control. They were treated with DPP extract (400mg/kg) and clopidogrel (0.2mg/kg) for 7days followed by myocardial injury induction using subcutaneous isoproterenol (100mg/kg) with an interval of 24h for two days (6th and 7th day)...
June 20, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28645803/grace-risk-score-sex-based-validity-of-in-hospital-mortality-prediction-in-canadian-patients-with-acute-coronary-syndrome
#6
Inna Y Gong, Shaun G Goodman, David Brieger, Chris P Gale, Derek P Chew, Robert C Welsh, Thao Huynh, J Paul DeYoung, Carolyn Baer, Gabor T Gyenes, Jacob A Udell, Keith A A Fox, Andrew T Yan
BACKGROUND: Although there are sex differences in management and outcome of acute coronary syndromes (ACS), sex is not a component of Global Registry of Acute Coronary Events (GRACE) risk score (RS) for in-hospital mortality prediction. We sought to determine the prognostic utility of GRACE RS in men and women, and whether its predictive accuracy would be augmented through sex-based modification of its components. METHODS: Canadian men and women enrolled in GRACE and Canadian Registry of Acute Coronary Events were stratified as ST-segment elevation myocardial infarction (STEMI) or non-ST-segment elevation ACS (NSTE-ACS)...
June 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28645475/usefulness-of-early-treatment-with-melatonin-to-reduce-infarct-size-in-patients-with-st-segment-elevation-myocardial-infarction-receiving-percutaneous-coronary-intervention-from-the-melatonin-adjunct-in-the-acute-myocardial-infarction-treated-with-angioplasty
#7
Alberto Dominguez-Rodriguez, Pedro Abreu-Gonzalez, Jose M de la Torre-Hernandez, Luciano Consuegra-Sanchez, Raffaele Piccolo, Julia Gonzalez-Gonzalez, Tamara Garcia-Camarero, Maria Del Mar Garcia-Saiz, Ana Aldea-Perona, Russel J Reiter
Melatonin, an endogenously produced hormone, might potentially limit the ischemia reperfusion injury and improve the efficacy of mechanical reperfusion with primary percutaneous coronary intervention (pPCI) in ST-segment elevation myocardial infarction (STEMI). This study was aimed to evaluate whether the treatment effect of melatonin therapy in patients with STEMI is influenced by the time to administration. We performed a post hoc analysis of the Melatonin Adjunct in the Acute Myocardial Infarction Treated With Angioplasty trial (NCT00640094), which randomized STEMI patients to melatonin (intravenous and intracoronary bolus) or placebo during pPCI...
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28645470/significance-of-atrial-fibrillation-complicating-st-segment-elevation-myocardial-infarction
#8
Tomasz Podolecki, Radoslaw Lenarczyk, Jacek Kowalczyk, Ewa Jedrzejczyk-Patej, Andrzej Swiatkowski, Piotr Chodor, Agnieszka Sedkowska, Witold Streb, Katarzyna Mitrega, Zbigniew Kalarus
The aim of the present study is to assess the clinical impact of atrial fibrillation (AF) in patients with ST-segment elevation myocardial infarction (STEMI) complicated by new-onset AF depending on STEMI location and timing of arrhythmia. We analyzed 4,363 consecutive STEMI patients treated invasively. Finally, 4,099 subjects were included into further analysis, as 264 patients were excluded because of previous AF history. In total, 1,800 (43.9%) subjects with anterior infarction were included into Group 1, whereas Group 2 encompassed 2,299 (56...
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28644212/worsening-atrioventricular-conduction-after-hospital-discharge-in-patients-with-st-segment-elevation-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention-the-horizons-ami-trial
#9
Ioanna Kosmidou, Björn Redfors, Thomas McAndrew, Monica Embacher, Roxana Mehran, José M Dizon, Ori Ben-Yehuda, Gary S Mintz, Gregg W Stone
BACKGROUND: The chronic effects of ST-segment elevation myocardial infarction (STEMI) on the atrioventricular conduction (AVC) system have not been elucidated. This study aimed to evaluate the incidence, predictors, and outcomes of worsened AVC post-STEMI in patients treated with a primary percutaneous coronary intervention (PCI). PATIENTS AND METHODS: The current analysis included patients from the HORIZONS-AMI trial who underwent primary PCI and had available ECGs...
June 21, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28644156/clinical-case-of-the-month-a-57-year-old-man-with-an-axillary-mass
#10
Palak Desai, Andrew Myers, Brian Boulmay, Fred A Lopez
A 57-year-old man presented to the surgical oncology clinic with a mildly tender mass under his right arm. Four years prior, the patient had a melanoma removed from his right shoulder along with an ipsilateral right axillary sentinel lymph sampling. Computed tomography (CT) scan was negative for metastatic disease at that time. The patient did not undergo completion axillary node dissection and was lost to follow-up. The patient was originally from Australia, did not tan but reported multiple sunburns before age 18...
May 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28642043/mitochondrial-cx43-an-important-component-of-cardiac-preconditioning
#11
REVIEW
Antonio Rodríguez-Sinovas, Marisol Ruiz-Meana, Amanda Denuc, David García-Dorado
Connexin 43 (Cx43) forms gap junction channels that are essential for the propagation of electrical depolarization in cardiomyocytes, but also with important roles in the pathophysiology of reperfusion injury. However, more recent studies have shown that Cx43 has also important functions independent from intercellular communication between adjacent cardiomyocytes. Some of these actions have been related to the presence of Cx43 in the mitochondria of these cells (mitoCx43). The functions of mitoCx43 have not been completely elucidated, but there is strong evidence indicating that mitoCx43 modulates mitochondrial respiration at respiratory complex I, production of radical oxygen species and ATP synthesis...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28638579/non-st-elevation-myocardial-infarction-secondary-to-carbon-monoxide-intoxication
#12
Danuta Jankowska, Venkataraman Palabindala, Sohail Abdul Salim
Carbon monoxide poisoning has been documented in literature to cause severe neurological and tissue toxicity within the body. However, cardiotoxicity is often overlooked, but not uncommon. Previous research studies and case reports have revealed a significant relationship between carbon monoxide intoxication and myocardial ischemic events. We report a case of a 48-year-old male, who was exposed to severe smoke inhalation due to a house fire and subsequently developed a non-ST elevation myocardial infarction...
March 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28637179/is-delayed-surgical-revascularization-in-acute-myocardial-infarction-useful-or-dangerous-new-insights-into-an-old-problem
#13
Philippe Grieshaber, Peter Roth, Lukas Oster, Tobias M Schneider, Gerold Görlach, Bernd Nieman, Andreas Böning
OBJECTIVES: Haemodynamically stable patients admitted for coronary artery bypass grafting in acute myocardial infarction often undergo delayed surgery in order to avoid the risks of emergency surgery. However, initially stable patients undergoing delayed surgery may develop low cardiac output syndrome (LCOS) during the waiting period, which might be a major drawback of this strategy. We aim to define risk factors and clinical consequences of LCOS during the waiting period. METHODS: A total of 530 consecutive patients with acute myocardial infarction (33% non-ST-segment elevation myocardial infarction and 67% ST-segment-elevation myocardial infarction) underwent isolated coronary artery bypass grafting between 2008 and 2013...
June 20, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28634219/early-use-of-n-acetylcysteine-nac-with-nitrate-therapy-in-patients-undergoing-primary-percutaneous-coronary-intervention-for-st-segment-elevation-myocardial-infarction-reduces-myocardial-infarct-size-the-naciam-trial
#14
Sivabaskari Pasupathy, Rosanna Tavella, Suchi Grover, Betty Raman, Nathan E K Procter, Yang T Du, Gnanadevan Mahadavan, Irene Stafford, Tamila Heresztyn, Andrew Holmes, Christopher Zeitz, Margaret Arstall, Joseph B Selvanayagam, John D Horowitz, John F Beltrame
Background -Contemporary ST-elevation myocardial infarction (STEMI) management involves primary percutaneous coronary intervention (PCI) with on-going studies focusing on infarct size reduction utilizing ancillary therapies. N-acetylcysteine (NAC) is an antioxidant with reactive oxygen species scavenging properties that also potentiates the effects of nitroglycerin (NTG) and thus represents a potentially beneficial ancillary therapy in primary PCI. The NACIAM (NACIn Acute Myocardial infarction) trial examined the effects of NAC on infarct size in STEMI patients undergoing PCI...
June 20, 2017: Circulation
https://www.readbyqxmd.com/read/28634037/clinical-benefit-of-drugs-targeting-mitochondrial-function-as-an-adjunct-to-reperfusion-in-st-segment-elevation-myocardial-infarction-a-meta-analysis-of-randomized-clinical-trials
#15
Gianluca Campo, Rita Pavasini, Giampaolo Morciano, A Michael Lincoff, C Michael Gibson, Masafumi Kitakaze, Jacob Lonborg, Amrita Ahluwalia, Hideki Ishii, Michael Frenneaux, Michel Ovize, Marcello Galvani, Dan Atar, Borja Ibanez, Giampaolo Cerisano, Simone Biscaglia, Brandon J Neil, Masanori Asakura, Thomas Engstrom, Daniel A Jones, Dana Dawson, Roberto Ferrari, Paolo Pinton, Filippo Ottani
AIMS: To perform a systematic review and meta-analysis of randomized clinical trials (RCT) comparing the effectiveness of drugs targeting mitochondrial function vs. placebo in patients with ST-segment elevation myocardial infarction (STEMI) undergoing mechanical coronary reperfusion. METHODS: Inclusion criteria: RCTs enrolling STEMI patients treated with primary percutaneous coronary intervention (PCI) and comparing drugs targeting mitochondrial function vs. placebo...
June 13, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28633762/usefulness-of-mean-platelet-volume-to-lymphocyte-ratio-for-predicting-angiographic-no-reflow-and-short-term-prognosis-after-primary-percutaneous-coronary-intervention-in-patients-with-st-segment-elevation-myocardial-infarction
#16
Alparslan Kurtul, Sadik Kadri Acikgoz
Primary percutaneous coronary intervention (pPCI) is associated with improved prognosis in patients with ST-segment elevation myocardial infarction (STEMI). However, no-reflow phenomenon limits the benefit of revascularization and predicts adverse outcomes. The specific mechanism for its occurrence is still not entirely clear, and it is believed at present that platelet activation and inflammation play a pivotal role in developing no-reflow. Both increased mean platelet volume (MPV), which is a platelet activation marker, and lymphopenia, which is an inflammation marker, have been linked to adverse events and poor prognosis after STEMI...
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28631502/impact-of-acute-infarct-related-artery-patency-before-percutaneous-coronary-intervention-on-30-day-outcomes-in-patients-with-st-segment-elevation-myocardial-infarction-treated-with-primary-percutaneous-coronary-intervention-in-the-euromax-trial
#17
Tomasz Rakowski, Dariusz Dudek, Arnoud van 't Hof, Jurrien Ten Berg, Louis Soulat, Uwe Zeymer, Frederic Lapostolle, Prodromos Anthopoulos, Debra Bernstein, Efthymios N Deliargyris, Philippe Gabriel Steg
AIMS: Early infarct-related artery patency has been associated with improved outcomes in patients with ST-segment elevation myocardial infarction treated with primary percutaneous coronary intervention. However, it is unknown whether this relationship persists in contemporary practice with pre-hospital initiation of treatment, use of novel P2Y12 inhibitors and frequent use of drug-eluting stents. The purpose of the study was to determine the impact of early infarct-related artery patency on outcomes in the contemporary EUROMAX trial...
January 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28626545/case-of-acute-st-segment-elevation-myocardial-infarction-in-infective-endocarditis-management-with-intra-coronary-stenting
#18
Ghulam Murtaza, Zia Ur Rahman, Puja Sitwala, Vatsal Ladia, Bhavesh Barad, Kais Albalbissi, Timir K Paul, Vijay Ramu
Embolic events from infective endocarditis can cause acute coronary syndrome. Mortality rate is high and optimal management might be different from those chosen in setting of classic atherosclerotic coronary artery disease. We present a case of 56-year-old male who had received 5 weeks of antibiotics for aortic valve endocarditis and developed acute ST segment elevation myocardial infarction in hospital settings. Interestingly, patient had recent left heart catheterization that was normal. This was recognized as embolic event from sterile vegetation...
June 7, 2017: Clinics and Practice
https://www.readbyqxmd.com/read/28625387/design-and-rationale-for-the-influenza-vaccination-after-myocardial-infarction-iami-trial-a-registry-based-randomized-clinical-trial
#19
Ole Fröbert, Matthias Götberg, Oskar Angerås, Lena Jonasson, David Erlinge, Thomas Engstrøm, Jonas Persson, Svend E Jensen, Elmir Omerovic, Stefan K James, Bo Lagerqvist, Johan Nilsson, Amra Kåregren, Rasmus Moer, Cao Yang, David B Agus, Andrejs Erglis, Lisette O Jensen, Lars Jakobsen, Evald H Christiansen, John Pernow
BACKGROUND: Registry studies and case-control studies have demonstrated that the risk of acute myocardial infarction (AMI) is increased following influenza infection. Small randomized trials, underpowered for clinical end points, indicate that future cardiovascular events can be reduced following influenza vaccination in patients with established cardiovascular disease. Influenza vaccination is recommended by international guidelines for patients with cardiovascular disease, but uptake is varying and vaccination is rarely prioritized during hospitalization for AMI...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28625385/seasonal-and-circadian-variations-of-acute-myocardial-infarction-findings-from-the-get-with-the-guidelines-coronary-artery-disease-gwtg-cad-program
#20
Vijaiganesh Nagarajan, Gregg C Fonarow, Christine Ju, Michael Pencina, Warren K Laskey, Thomas M Maddox, Adrian Hernandez, Deepak L Bhatt
BACKGROUND: Seasonal variation with winter preponderance of myocardial infarction incidence has been described decades ago, but only a few small studies have classified myocardial infarction based on ST-segment elevation. It is unclear whether seasonal and circadian variations are equally present in warmer and colder regions. We investigated whether seasonal and circadian variations in acute myocardial infarction (AMI) are more prominent in colder northern states compared with warmer southern states...
July 2017: American Heart Journal
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