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oxygen stemi

Wei-Chieh Lee, Chih-Yuan Fang, Huang-Chung Chen, Chien-Jen Chen, Cheng-Hsu Yang, Chi-Ling Hang, Hon-Kan Yip, Hsiu-Yu Fang, Chiung-Jen Wu
BACKGROUND: Limited data are available regarding the role of percutaneous cardiopulmonary support for the treatment of ST segment elevation myocardial infarction (STEMI) with profound cardiogenic shock (CS). The aim of this study is to identify the determinant factors for survival of patients with STEMI who underwent extracorporeal membrane oxygenation (ECMO) support. METHOD: From January 2005 to December 2013, 192 patients experienced STEMI with CS needed intra-aortic balloon pumping and support with vasoactive agents at our hospital...
September 3, 2016: Heart & Lung: the Journal of Critical Care
Sheng-Ying Chung, Meng-Shen Tong, Jiunn-Jye Sheu, Fan-Yen Lee, Pei-Hsun Sung, Chien-Jen Chen, Cheng-Hsu Yang, Chiung-Jen Wu, Hon-Kan Yip
BACKGROUND: This study investigated the 30-day and long-term prognostic outcomes in patients with ST-segment elevation myocardial infarction (STEMI) complicated with profound cardiogenic shock (CS) undergoing early routine extracorporeal membrane oxygenator (ECMO)-assisted primary percutaneous coronary intervention (PCI). METHODS: Between December 2005 and December 2014, 65 consecutive STEMI patients with profound CS underwent routine ECMO-supported primary PCI...
November 15, 2016: International Journal of Cardiology
Marinês Calegari Lavall, Gabriela Bonfanti, Ronize Bordignon Ceolin, Karen Lilian Schott, Thissiane de Lima Gonçalves, Rafael Noal Moresco, Natália Brucker, Vera Maria Morsch, Margarete Dulce Bagatini, Maria Rosa Chitolina Schetinger
BACKGROUND: Patients with ST-segment elevation (STEMI) have totally occluded vessels, while patients with non-ST-segment elevation (NSTEMI) present partial vessel occlusion, which may generate different levels of Reactive Oxygen Species (ROS). Objectives: The aim of this study was to compare the oxidative profile in AMI patients with ST segment elevation and non-STEMI as well as control subjects. METHODS: This study was carried with 46 AMI patients divided into STEMI and NSTEMI...
2016: Clinical Laboratory
Jawad Chaara, Mustafa Cikirikcioglu, Marco Roffi
We describe the case of a 68-year old female presenting with subacute ST-elevation myocardial infarction and severe depressed left ventricular ejection fraction (15%) in the presence of severe three-vessel coronary artery disease. The patient was haemodynamically stable. After heart team discussion, a percutaneous coronary intervention was performed under peripheral veno-arterial extracorporeal membrane oxygenation without complications.
June 8, 2016: European Heart Journal. Acute Cardiovascular Care
Danina M Muntean, Adrian Sturza, Maria D Dănilă, Claudia Borza, Oana M Duicu, Cristian Mornoș
Ischaemia/reperfusion (I/R) injury of the heart represents a major health burden mainly associated with acute coronary syndromes. While timely coronary reperfusion has become the established routine therapy in patients with ST-elevation myocardial infarction, the restoration of blood flow into the previously ischaemic area is always accompanied by myocardial injury. The central mechanism involved in this phenomenon is represented by the excessive generation of reactive oxygen species (ROS). Besides their harmful role when highly generated during early reperfusion, minimal ROS formation during ischaemia and/or at reperfusion is critical for the redox signaling of cardioprotection...
2016: Oxidative Medicine and Cellular Longevity
Douglas G Sward, Kinjal N Sethuraman, Jennifer S Wong, Robert E Rosenthal
We describe two cases of myocardial infarction with ST-segment elevation on electrocardiogram associated with carbon monoxide (CO) poisoning, a condition rarely reported in the literature. The first was a 62-year-old woman who experienced chest pain in the emergency department (ED) while being assessed for exposure to carbon monoxide in her home. The second was an 80-year-old man who fainted at home and was found to have ST elevation during the ED workup. After hospitalization, he returned home and soon thereafter had difficulty walking and speaking...
January 2016: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
Fernando Gonzalez, Christophe Marti, Maria Chrysafi, Nicolas Beysard, Olivier Grosgurin, Pierre-Nicolas Carron, Olivier Rutschmann
The year 2015 was marked by several publications questioning the practice of emergency medicine. The systematic administration of oxygen in STEMI patients offers no benefit. Similarly, medical expulsive therapy in patients with ureteric stones was questioned. Administration of steroids for acute radiculopathy showed only short-term, but no mid-term pain improvement. Several studies have demonstrated the benefit combining intraarterial and intravenous thrombolytic therapy for ischemic stroke. However, studies assessing optimal management strategy for patients hospitalized with community acquired pneumonia, showed conflicting results...
January 13, 2016: Revue Médicale Suisse
P Brian Savino, Karl A Sporer, Joe A Barger, John F Brown, Gregory H Gilbert, Kristi L Koenig, Eric M Rudnick, Angelo A Salvucci
INTRODUCTION: In the United States, emergency medical services (EMS) protocols vary widely across jurisdictions. We sought to develop evidence-based recommendations for the prehospital evaluation and treatment of chest pain of suspected cardiac origin and to compare these recommendations against the current protocols used by the 33 EMS agencies in the state of California. METHODS: We performed a literature review of the current evidence in the prehospital treatment of chest pain and augmented this review with guidelines from various national and international societies to create our evidence-based recommendations...
December 2015: Western Journal of Emergency Medicine
Ziad Nehme, Dion Stub, Stephen Bernard, Michael Stephenson, Janet E Bray, Peter Cameron, Ian T Meredith, Bill Barger, Andris H Ellims, Andrew J Taylor, David M Kaye, Karen Smith
OBJECTIVE: Supplemental oxygen therapy may increase myocardial injury following ST-elevation myocardial infarction (STEMI). In this study, we aimed to evaluate the effect of the dose and duration of oxygen exposure on myocardial injury after STEMI. METHODS: Descriptive analysis of data from a multicentre, prospective, randomised, controlled trial of 441 patients with STEMI randomised to supplemental oxygen therapy or room air breathing. The primary endpoint was myocardial infarct size as assessed by cardiac biomarkers, troponin (cTnI) and creatine kinase (CK)...
March 2016: Heart: Official Journal of the British Cardiac Society
Smita I Negi, Mladen Sokolovic, Edward Koifman, Sarkis Kiramijyan, Rebecca Torguson, Joseph Lindsay, Itsik Ben-Dor, William Suddath, Augusto Pichard, Lowell Satler, Ron Waksman
BACKGROUND: Refractory cardiogenic shock (RCS) in acute myocardial infarction (AMI) is associated with high rates of mortality. Smaller ventricular assist devices, such as the intraaortic balloon pump, provide limited support. Venoarterial extracorporeal membrane oxygenation (VA-ECMO) offers more robust mechanical ventricular support, but is not widely utilized by interventional cardiologists. This study aimed to evaluate the patient characteristics and outcomes of VA-ECMO with RCS in the setting of AMI...
February 2016: Journal of Invasive Cardiology
Chui Man Carmen Hui, Santosh K Padala, Michael Lavelle, Mikhail T Torosoff, Xinjun Cindy Zhu, Mandeep S Sidhu
We report a case of an 83-year-old man with history of coronary artery disease and gastroesophageal reflux disease (GERD) who presented with sudden onset nocturnal dyspnea. He was diagnosed with non-ST elevation myocardial infarction based on the electrocardiographic changes and cardiac biomarker elevation. Cardiac catheterization revealed chronic three-vessel coronary artery disease, with 2 patent grafts and 2 chronically occluded grafts. While at the hospital, the patient experienced a similar episode of nocturnal dyspnea, prompting a barium esophagram, which was suggestive of a stricture in the distal esophagus from long-standing GERD...
2015: Case Reports in Cardiology
Jan Kacer, Michaela Lindovska, Roman Surovcik, Ivan Netuka, Frantisek Mlejnsky, Tomas Grus, Jan Belohlavek
AIM: To highlight an optimal collaborative strategy of three different levels of specialized care cardiac centres. BACKGROUND: Refractory cardiogenic shock is a life-threatening condition. A myocardial recovery is not achieved in many cases despite all efforts and subsequently the heart transplantation remains an ultimate option. Thereby, the use of extracorporeal membrane oxygenation (ECMO) followed by a ventricular assist device in staged bridging provides an attractive approach...
December 2015: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
Jimmy Yee, Naveen Rajpurohit, Muhammad A Khan, Adam Stys
Acute coronary syndrome is a life-threatening event that affects millions of people each year and accounts for a big portion of hospital visits. With an ever-growing elderly patient population, ischemic heart disease is more prevalent than ever before. It is paramount that physicians of all fields are cognizant of the various presentations of acute coronary syndrome (ACS), as its prompt diagnosis and treatment profoundly decreases mortality and morbidity. Under the American College of Cardiology Foundation and the American Heart Association, guidelines are published for the optimal management of patients with acute coronary syndromes...
August 2015: South Dakota Medicine: the Journal of the South Dakota State Medical Association
Shahar Lavi, Mistre Alemayehu, David McCarty, James Warrington, Ronit Lavi
BACKGROUND: Sevoflurane is an inhalation anesthetic that has cardioprotective effects. There is limited information regarding its use outside of the operating room and its potential protective effect for patients presenting with myocardial infarction. METHODS: In the Sevoflurane In Acute Myocardial Infarction trial, patients with a first acute ST-elevation myocardial infarction (STEMI) who were treated by primary percutaneous coronary intervention were randomized to inhalation of sevoflurane or oxygen (control)...
December 2015: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
Alberto Roghi, Erika Poggiali, Lorena Duca, Antonio Mafrici, Patrizia Pedrotti, Stefania Paccagnini, Sergio Brenna, Alessio Galli, Dario Consonni, Maria Domenica Cappellini
BACKGROUND: Hereditary hemochromatosis, thalassemia and myelodysplastic syndromes represent disease models with evidence of iron-related heart failure. Non-Transferrin Bound Iron (NTBI) induces cardiac toxicity through the production of reactive oxygen species and lipid peroxidation. In ST-elevation acute myocardial infarction (STEMI) with evidence of microvascular obstruction (MVO) and hemorrhage (HEM), HEM may be a source of iron-related cardiac toxicity through NTBI and pro-inflammatory mediators...
November 15, 2015: International Journal of Cardiology
Yasuhiro Uchida, Satoshi Ichimiya, Hideki Ishii, Masaaki Kanashiro, Junji Watanabe, Shinji Hayano, Susumu Suzuki, Kyosuke Takeshita, Shinichi Sakai, Tetsuya Amano, Tatsuaki Matsubara, Toyoaki Murohara
Microvascular dysfunction after primary percutaneous coronary intervention (PCI) augments myocardial damage and prognosis in acute myocardial infarction. However, the relationship between baseline anemia and coronary microcirculation in patients with ST-segment elevation myocardial infarction (STEMI) remains unclear. We performed primary PCI in 337 consecutive patients with STEMI. Anemia was defined as a hemoglobin level < 13 g/dL in men and < 12 g/dL in women. Admission anemia was present in 17.5% of the patients enrolled...
2015: International Heart Journal
Bryony M Mearns
No abstract text is available yet for this article.
August 2015: Nature Reviews. Cardiology
G Cartigny, V Faivre, K Stamboul, J Aulagne, Y Cottin
Acute coronary syndrome is now a well-known disease, with codified treatments. The main presentation is chest pain, but more and more cases are revealed by cardiorespiratory arrest thanks to pre-hospital care. And, depending on the evolution in such situations, cardiocirculatory support techniques like extracorporeal membrane oxygenation (ECMO) can be implemented. If the more common cause of SCA is atherosclerosis, consequence of the combination of one or more cardiovascular risk factors, there are rare aetiologies, which include myeloproliferative syndromes, in particular essential thrombocythemia...
September 2015: Annales de Cardiologie et D'angéiologie
L P Kohl, W S Jones
The treatment of patients with ST-segment elevation myocardial infarction (STEMI) has changed dramatically since reperfusion therapy has been adopted more commonly, yet 5-10% of patients still develop cardiogenic shock and remain a therapeutic challenge in the setting of STEMI. In this review, we outline the available evidence from randomized controlled trials and registries, including risk factors, diagnostic tools, and various treatments. The main focus of this report is on the currently available treatment options (revascularization, intra-aortic balloon counterpulsation), emerging treatment options (percutaneous hemodynamic support, extracorporeal membrane oxygenation), and ongoing efforts to design systems of care to more efficiently care for these patients...
August 2015: Minerva Cardioangiologica
Dion Stub, Karen Smith, Stephen Bernard, Ziad Nehme, Michael Stephenson, Janet E Bray, Peter Cameron, Bill Barger, Andris H Ellims, Andrew J Taylor, Ian T Meredith, David M Kaye
BACKGROUND: Oxygen is commonly administered to patients with ST-elevation-myocardial infarction despite previous studies suggesting a possible increase in myocardial injury as a result of coronary vasoconstriction and heightened oxidative stress. METHODS AND RESULTS: We conducted a multicenter, prospective, randomized, controlled trial comparing oxygen (8 L/min) with no supplemental oxygen in patients with ST-elevation-myocardial infarction diagnosed on paramedic 12-lead ECG...
June 16, 2015: Circulation
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