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arrhythmias, ST-Elevation Myocardial Infarction,

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https://www.readbyqxmd.com/read/28486696/coronary-artery-bypass-surgery-within-48%C3%A2-hours-after-cardiac-arrest-due-to-acute-myocardial-infarction
#1
Christina Grothusen, Christine Friedrich, Tim Attmann, Jette Meinert, Eva Ohnewald, Ulysses Ulbricht, Katharina Huenges, Assad Haneya, Derk Frank, Jan-Thorsten Graesner, Jan Schoettler, Jochen Cremer
OBJECTIVES: Cardiac arrest (CA) in patients with acute myocardial infarction is associated with a poor prognosis. Due to the additional trauma, risk of stroke and lack of data, coronary artery bypass grafting (CABG) is a controversial revascularization strategy for patients who cannot be treated percutaneously. Against this background, we investigated the outcome of patients from our department with acute myocardial infarction undergoing CABG after CA. METHODS: Between January 2001 and January 2015, 129 patients with preoperative CA due to acute myocardial infarction underwent CABG at our institution within 48 h after the CA had occurred...
May 8, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28484119/relationship-between-glucose-fluctuations-and-st-segment-resolution-in-patients-with-st-elevation-acute-myocardial-infarction
#2
Keiichi Tsuchida, Norihito Nakamura, Satoshi Soda, Ryohei Sakai, Kota Nishida, Jiro Hiroki, Asami Kashiwa, Yuki Fujihara, Shinpei Kimura, Yukio Hosaka, Kazuyoshi Takahashi, Hirotaka Oda
This study was conducted to assess whether any relationships exist between glucose fluctuations and electrocardiographic surrogate markers of reperfusion injury in patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI).We prospectively studied 63 consecutive patients with STEMI undergoing primary PCI. Patients had either diabetes (n = 30), impaired glucose tolerance (n = 26), impaired fasting glucose (n = 1), or normal glucose tolerance (n = 6). STsegment resolution (STR, %) was measured using electrocardiograms recorded 60 minutes after PCI...
May 8, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28476519/the-underutilisation-of-dual-antiplatelet-therapy-in-acute-coronary-syndrome
#3
Malcolm Anastasius, Jerrett K Lau, Karice Hyun, Mario D'Souza, Anushka Patel, Jamie Rankin, Darren Walters, Craig Juergens, Bernadette Aliprandi-Costa, Andrew T Yan, Shaun G Goodman, Derek Chew, David Brieger
BACKGROUND: Despite guideline recommendation of dual antiplatelet therapy (DAPT) in treating ACS, DAPT is underutilized. Our objective was to determine independent predictors of DAPT non-prescription in ACS and describe pattern of DAPT prescription over time. METHODS: Patients presenting to 41 Australian hospitals with an ACS diagnosis between 2009 and 2016 were stratified according to discharge prescription with DAPT and single antiplatelet therapy (SAPT) or no antiplatelet therapy...
April 25, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28460740/comparison-of-30-day-and-long-term-outcomes-and-hospital-complications-among-patients-aged-75-versus-%C3%A2-75%C3%A2-years-with-st-elevation-myocardial-infarction-undergoing-percutaneous-coronary-intervention
#4
Guy Topaz, Ariel Finkelstein, Nir Flint, Yacov Shacham, Shmuel Banai, Arie Steinvil, Yaron Arbel, Gad Keren, Lior Yankelson
Our aim was to evaluate the mortality rate and occurrence of complications in patients aged <75 versus ≥75 years with ST-elevation myocardial infarction (STEMI). We studied 1,657 consecutive patients with STEMI hospitalized in the cardiac intensive care unit during 2008 to 2014. All patients underwent primary percutaneous intervention, of which 292 (18%) were aged ≥75 years. Patient records were evaluated for in-hospital complications, 30-day mortality, and long-term mortality over a mean period of 3...
April 8, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28450037/prognostic-impact-of-age-and-hemoglobin-in-acute-st-segment-elevation-myocardial-infarction-treated-with-reperfusion-therapy
#5
Jesús Velásquez-Rodríguez, Felipe Diez-Delhoyo, María Jesús Valero-Masa, Lourdes Vicent, Carolina Devesa, Iago Sousa-Casasnovas, Miriam Juárez, Rocío Angulo-Llanos, Francisco Fernández-Avilés, Manuel Martínez-Sellés
Advanced age and low hemoglobin levels have been associated with a poor prognosis in ST-segment elevation myocardial infarction (STEMI). We studied 1,111 patients with STEMI who received reperfusion treatment (1,032 [92.9%] primary angioplasty and 79 [7.1%] fibrinolysis without rescue percutaneous coronary intervention). Mean age was 64.1 ± 14.0 years, and 23.2% were women. Patients in the last age quartile (>76 years) were more frequently women, presented more risk factors (except smoking), received thrombolysis less frequently, had less complete revascularization, and presented more complications and higher mortality...
March 29, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28449908/association-of-sleep-disordered-breathing-and-disturbed-cardiac-repolarization-in-patients-with-st-segment-elevation-myocardial-infarction
#6
Christoph Fisser, Alina Marcinek, Andrea Hetzenecker, Kurt Debl, Andreas Luchner, Ulrich Sterz, Jörg Priefert, Florian Zeman, Malcolm Kohler, Lars S Maier, Stefan Buchner, Michael Arzt
OBJECTIVE: In patients with ST-segment elevation myocardial infarction (STEMI), disturbed cardiac repolarization before percutaneous coronary intervention (PCI) is a risk factor for malignant ventricular arrhythmia. We tested the hypothesis that sleep-disordered breathing (SDB) in patients with STEMI is associated with disturbed cardiac repolarization. METHODS: Thirty-three patients with STEMI who underwent PCI were prospectively enrolled. To assess cardiac repolarization, the heart-rate corrected interval from the peak of the T wave to the end of the T wave (TpTec) and QTc intervals were assessed with 12-lead electrocardiography before PCI, within 24 h after PCI, and 12 weeks after PCI...
May 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28440561/anterior-st-elevation-myocardial-infarction-induced-by-rituximab-infusion-a-case-report-and-review-of-the-literature
#7
K Sharif, A Watad, N L Bragazzi, E Asher, A Abu Much, Y Horowitz, M Lidar, Y Shoenfeld, H Amital
WHAT IS KNOWN AND OBJECTIVES: Rituximab is a chimeric monoclonal anti-CD20 antibody approved for the treatment of some lymphoid malignancies as well as for autoimmune diseases including rheumatoid arthritis (RA), idiopathic thrombocytopenic purpura (ITP) and vasculitis. Generally, rituximab is well tolerated; nevertheless, some patients develop adverse effects including infusion reactions. Albeit rare, these reactions may in some cases be life-threatening conditions. Rituximab cardiovascular side effects include more common effects such as hypertension, oedema and rare cases of arrhythmias and myocardial infarction...
June 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28420815/early-repolarization-pattern-predicts-the-increased-risk-of-ventricular-arrhythmias-in-patients-with-acute-anterior-st-segment-elevation-myocardial-infarction%C3%A3-a-propensity-analysis
#8
Qi Chen, Mingqi Zheng, Gang Liu, Xiangmin Shi, Ran Zhang, Xiao Zhou, Yutao Xi, Junping Sun, Chao Zhu, Yundai Chen, Jie Cheng, Junxiang Yin
BACKGROUND: The association between the early repolarization pattern (ERP) and ventricular arrhythmias in patients with ST-segment elevation myocardial infarction (STEMI) remains uncertain. We hypothesized that ERP predicts the risk of sustained ventricular tachycardia (VT)/ventricular fibrillation (VF) during the acute phase of anterior STEMI.Methods and Results:We enrolled 1,460 consecutive patients with acute anterior STEMI. We identified an ERP-positive group and a 1:6 propensity-matched ERP-negative group of 183 and 471, respectively...
April 14, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28400924/risk-of-ventricular-arrhythmia-in-patients-with-myocardial-infarction-and-non-obstructive-coronary-arteries-and-normal-ejection-fraction
#9
Loïc Bière, Marjorie Niro, Hervé Pouliquen, Jean-Baptiste Gourraud, Fabrice Prunier, Alain Furber, Vincent Probst
AIM: To assess the arrhythmic determinants and prognosis of patients presenting with myocardial infarction and non-obstructive coronary arteries (MINOCA) with normal ejection fraction (EF). METHODS: This is an observational analysis of 131 MINOCA patients with normal EF. Three cardiac magnetic resonance (CMR) diagnosis classes were recognized according to the late gadolinium enhancement (LGE) pattern: Myocardial infarction (MI) (n = 34), myocarditis (n = 47), and "no LGE" (n = 50)...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28376710/electrocardiographic-changes-mimicking-acute-coronary-syndrome-in-a-large-intracranial-tumour-a-diagnostic-dilemma
#10
Nilukshana Yogendranathan, H M M T B Herath, S P Pahalagamage, Aruna Kulatunga
BACKGROUND: ST elevation Myocardial infarction is a medical emergency. A variety of noncardiac conditions had been known to mimic the ECG changes that are seen in acute coronary syndrome. Although the common ECG changes that are documented with raised intracranial pressure are T inversions, prolongation of QT interval and sinus bradycardia, ST elevation or depression, arrhythmias and prominent U waves have also been recognized. However, ST elevations in association with primary intracranial tumours are rarely reported...
April 4, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28345953/reperfusion-ventricular-arrhythmia-bursts-identify-larger-infarct-size-in-spite-of-optimal-epicardial-and-microvascular-reperfusion-using-cardiac-magnetic-resonance-imaging
#11
Kirian van der Weg, Wichert J Kuijt, Sebastiaan Cam Bekkers, Jan Gp Tijssen, Cynthia L Green, Miguel E Lemmert, Mitchell W Krucoff, Anton Pm Gorgels
AIMS: Ventricular arrhythmia (VA) bursts following recanalisation in acute ST-elevation myocardial infarction (STEMI) are related to larger infarct size (IS). Inadequate microvascular reperfusion, as determined by microvascular obstruction (MVO) using cardiac magnetic resonance imaging (CMR), is also known to be associated with larger IS. This study aimed to test the hypothesis that VA bursts identify larger infarct size in spite of optimal microvascular reperfusion. METHODS: All 65 STEMI patients from the Maastricht ST elevation (MAST) study with brisk epicardial flow (TIMI 3), complete ST recovery post-percutaneous coronary intervention and early CMR were included...
March 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28334029/prognostic-power-of-global-2d-strain-according-to-left-ventricular-ejection-fraction-in-patients-with-st-elevation-myocardial-infarction
#12
Myung-Jin Cha, Hyun-Sook Kim, Seong Hwan Kim, Jae-Hyeong Park, Goo-Yeong Cho
BACKGROUNDS: We aimed to evaluate the predictive power of longitudinal and circumferential fibers according to left ventricular ejection fraction (LVEF) in successfully reperfused acute ST elevation myocardial infarction (STEMI) patients. METHODS: Total 691 patients (age 59±13, 20% female) underwent clinical evaluation and conventional and strain echocardiography (Global longitudinal strain (GLS), global circumferential strain (GCS)). The clinical outcome was defined as the composite of death, hospitalization for heart failure, non-fatal myocardial infarction, and ventricular arrhythmia...
2017: PloS One
https://www.readbyqxmd.com/read/28292359/neutrophil-lymphocyte-ratio-aprognostic-marker-in-acute-st-elevation-myocardial-infarction
#13
Uzma Gul, Azhar Mehmood Kayani, Rubab Munir, Sajjad Hussain
OBJECTIVE: To investigate if neutrophil lymphocyte ratio (NLR) predicts in-hospital adverse events and mortality, and shortterm (30-day) mortality in ST-elevated myocardial infarction (STEMI) patients thrombolysed with streptokinase (SK). STUDY DESIGN: An observational study. PLACE AND DURATION OF STUDY: Rawalpindi Institute of Cardiology, from June 2014 till January 2015. METHODOLOGY: The STEMI patients, thrombolysed with SK had blood samples at admission, analysed for complete blood counts and NLR calculated...
January 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28284496/qrs-duration-and-dispersion-for-predicting-ventricular-arrhythmias-in-early-stage-of-acute-myocardial-infraction
#14
E Chávez-González, A E Rodríguez Jiménez, F L Moreno-Martínez
OBJECTIVE: To determine the relationship between QRS duration and dispersion and the occurrence of ventricular arrhythmias in early stages of acute myocardial infarction (AMI). DESIGN: A retrospective, longitudinal descriptive study was carried out. SETTING: Hospital General Universitario "Camilo Cienfuegos", Sancti Spíritus, Cuba. Secondary health care. PATIENTS OR PARTICIPANTS: A total of 209 patients diagnosed with ST-segment elevation AMI from January 2012 to June 2014...
March 8, 2017: Medicina Intensiva
https://www.readbyqxmd.com/read/28218629/fever-induced-brugada-pattern-misdiagnosed-as-an-acute-myocardial-infarction
#15
David Tadin, Roberto Quintal
The Brugada syndrome is a rare condition associated with increased risk of ventricular tachyarrhythmias and sudden cardiac death (SCD). The Brugada pattern on electrocardiogram (EKG) is known to be revealed by several precipitants including febrile illnesses. The appearance of a Brugada pattern on EKG with fever may indicate an elevated risk of arrhythmia or sudden cardiac death. We report a case in which the electrocardiographic abnormality of Brugada pattern induced by sepsis was initially misinterpreted as a ST-segment elevation myocardial infarction (STEMI)...
January 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28212919/thrombus-composition-in-sudden-cardiac-death-from-acute-myocardial-infarction
#16
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)...
April 2017: Resuscitation
https://www.readbyqxmd.com/read/28154162/outcomes-of-physician-staffed-versus-non-physician-staffed-helicopter-transport-for-st-elevation-myocardial-infarction
#17
Sverrir I Gunnarsson, Joseph Mitchell, Mary S Busch, Brenda Larson, S Michael Gharacholou, Zhanhai Li, Amish N Raval
BACKGROUND: The effect of physician-staffed helicopter emergency medical service (HEMS) on ST-elevation myocardial infarction (STEMI) patient transfer is unknown. The purpose of this study was to evaluate the characteristics and outcomes of physician-staffed HEMS (Physician-HEMS) versus non-physician-staffed (Standard-HEMS) in patients with STEMI. METHODS AND RESULTS: We studied 398 STEMI patients transferred by either Physician-HEMS (n=327) or Standard-HEMS (n=71) for primary or rescue percutaneous coronary intervention at 2 hospitals between 2006 and 2014...
February 2, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28121344/impact-of-myocardial-blush-grade-on-tpe-interval-and-tpe-qt-ratio-after-successful-primary-percutaneous-coronary-intervention-in-patients-with-st-elevation-myocardial-infarction
#18
P T Duyuler, S Duyuler, M Demir
INTRODUCTION: Myocardial perfusion, when assessed by myocardial blush grade (MBG) is an independent predictor of major adverse cardiac outcomes. The terminal part of repolarization, measured as the interval from the peak to the end of the T wave (Tpe), is a relatively novel indicator of ventricular arrhythmias. The relations between MBG and Tpe interval have not been examined before. We aimed to evaluate the relationship between MBG and Tpe and Tpe/QT ratio after successful primary percutaneous coronary intervention (PCI) in acute ST-segment elevation myocardial infarction (STEMI)...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28100342/-the-effect-on-myocardial-perfusion-and-clinical-outcome-of-intracoronary-nicorandil-injection-prior-to-percutaneous-coronary-intervention-in-st-segment-elevation-myocardial-infarction
#19
Z Q Wang, M X Chen, D L Liu, W X Zheng, X Z Cao, H Chen, M F Huang, Z R Luo
Objective: To investigate the effect of intracoronary administration of nicorandil prior to primary percutaneous coronary intervention (PPCI) on myocardial perfusion and short-term clinical outcomes in patients with ST-segment elevation myocardial infarction (STEMI). Methods: A total of 158 patients with STEMI undergoing PPCI from January 2014 to December 2015 in Fuzhou General Hospital were enrolled consecutively in this prospective controlled randomized trial. Patients were assigned into three groups with random number table: the nicorandil group (patients received intracoronary administration of 6 mg nicorandil after guide wire or balloon successfully crossed the target lesion, n=53), the nitroglycerin group (patients received intracoronary administration of 300 μg nitroglycerin after after guide wire or balloon successfully crossed the target lesion, n=52) and the control group(patients received routine treatment, n=53)...
January 25, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27951539/wellens-syndrome-with-syncope-but-not-chest-pain
#20
Omar Z Yasin, Alberto Rubio-Tapia, Maurice E Sarano
We report the case of a woman in her 70s presenting to the emergency department with syncope, troponemia, and an electrocardiogram with deep symmetric T-wave inversions in V2 and V3 and prolonged QTc. Her presentation was concerning for acute coronary syndrome, Wellens syndrome in particular, given the elevated troponin levels, lack of ST segment changes, and characteristic T-wave findings. The diagnosis was confirmed with angiography that showed a critical left anterior descending (LAD) artery occlusion. Since myocardial infarction does not typically present with syncope, we explored the differential diagnoses for T-wave inversions, which include electrolyte abnormalities, medications, intracranial hemorrhage, pulmonary embolism, and other cardiac diseases that were ruled out in our patient...
2017: Cardiology
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