Search Results
Results 201 - 250 of 2019
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Samimi-Fard Sima - - 2009
Elevated cytokine levels have been reported after ischemia/reperfusion injury and might cause a systemic inflammatory response syndrome (SIRS) after primary percutaneous coronary intervention (PPCI). High myeloperoxidase (MPO) levels are reported to be a risk factor for early cardiac events in patients with acute coronary syndrome. Its role as a predictor ...
Pollak Peter M PM Department of Internal Medicine, Division of Cardiology, University of Virginia, Charlottesville, Virginia, - - 2009
In most cases of acute ST-segment elevation myocardial infarction, only 1 epicardial artery contains an occluding thrombus, commonly referred to as the "culprit" artery. Rarely, however, patients present with >1 acutely thrombosed coronary artery (i.e., "multiple culprits"). The investigators present their experience with 18 patients presenting with ST-segment elevation myocardial ...
Fefer Paul - - 2009
We evaluated the effect and optimal dose of clopidogrel pretreatment in patients with ST-elevation myocardial infarction undergoing primary percutaneous coronary intervention (PPCI). The study included 383 consecutive patients with ST-elevation myocardial infarction who had undergone PPCI and were prospectively followed up for a prespecified primary end point of recurrent acute ...
Campbell-Scherer Denise L - - 2009
The American College of Cardiology and American Heart Association, in collaboration with the Canadian Cardiovascular Society, have issued an update of the 2004 guideline for the management of patients with ST-segment elevation myocardial infarction. The American Academy of Family Physicians endorses and accepts this guideline as its policy. Early recognition ...
Tin-Hay Eduardo L - - 2010
Drug-eluting stents (DESs) are effective in reducing restenosis and the need for repeat revascularization procedures in patients who undergo percutaneous coronary intervention (PCI). There is however an increased concern with the safety of DES with regard to stent thrombosis (ST). We examined the incidence of ST among patients who received ...
Akutsu Yasushi - - 2009
In a 66-year-old male with subacute extensive anterior wall myocardial infarction, we report a change in ST vector orientation from a basal anterior to a mid anterior after coronary artery recanalization of the proximal left anterior descending coronary artery with rotational atherectomy. The ST vector shift on the frontal plane ...
Gemici G?kmen - - 2009
A 51-year-old woman presented with severe chest pain minutes after starting intravenous paclitaxel as a part of the systemic chemotherapy due to ovarian carcinoma. The electrocardiogram (ECG) revealed sinus rhythm with ST-segment elevations in inferior and anterior leads. The ST-segment elevations resolved immediately after sublingual nitroglycerine. Cardiac troponin T and ...
Lacunza Javier - - 2009
A young male individual with diagnosis of heat stroke was admitted unconscious to hospital. Electrocardiogram (ECG) at admission demonstrated typical right bundle branch block and ST-segment elevation in V1 and V2 (coved morphology) diagnostic of Brugada syndrome. Maximal creatine kinase was 10,131 (IU/L); creatine kinase-MB, 15 (IU/L); troponin T, 0.039 ...
Hosseini Seyed Kianoosh - - 2009
OBJECTIVES: This study was designed to evaluate the demographic and clinical findings and in-hospital management and outcome in patients with an acute ST-segment elevation myocardial infarction (STEMI). MATERIAL AND METHODS: By review of the Cardiovascular Tehran Heart Center Registry (CVDTHCR), 2028 patients were found to have the acute STEMI. We ...
Engelmann Markus G - - 2010
The aims of this trial were to investigate the effect of granulocyte colony-stimulating factor (G-CSF) on left-ventricular ejection fraction and event-free survival in patients suffering from sub-acute myocardial infarction (STEMI). We enrolled 44 patients suffering from sub-acute STEMI with late revascularization achieved by percutaneous coronary intervention (PCI). Patients were randomized ...
Muzzarelli Stefano - - 2009
PURPOSE: The aim of this study was to compare ST-segment depression (STD) during bicycle ergometry and extent of myocardial ischaemia assessed by myocardial perfusion SPECT (MPS) in a large patient cohort. METHODS: Consecutive patients (n = 955) referred for MPS with bicycle ergometry and interpretable stress ECG were evaluated with ...
Tayler David - - 2009
We describe how a routine manufacturer's upgrade of equipment designed to record and transmit electrocardiograms inadvertently introduced the potential for artefact that simulated the ST segment elevation of myocardial infarction. Whilst this type of artefact from a phenomenon known as phase shift is likely to be rare, the possibility should ...
Zhan Zhong-qun - - 2009
BACKGROUND: The prognosis of dominant left circumflex artery (LCx) occlusion-related inferior acute myocardial infarction (AMI) patients is poor, but the electrocardiographic (ECG) characteristics of this AMI entity have not been described. METHODS: One hundred thirty-five patients with first dominant right coronary artery (RCA) or dominant LCx-related inferior AMI were included. ...
Valla Mathieu - - 2011
We present the case of a 45-year-old man with clinical features of acute coronary syndrome with persistent ST segment elevation following an anaphylactic reaction to a wasp sting treated with adrenaline. A thrombolysis is performed with no effect on clinical signs, leading to an emergency cardiac catheterization which reveals a ...
De Luca Giuseppe - - 2009
The aim of the study was to perform a meta-analysis of randomized trials (RTs) comparing abciximab versus small molecules (eptifibatide and tirofiban) in primary angioplasty (PPCI) for ST-segment elevation myocardial infarction (STEMI). Abciximab has been shown to provide significant benefits in PPCI for STEMI. However, small molecules represent an attractive ...
Perez de Prado Armando - - 2009
INTRODUCTION: A wide variability in the response to clopidogrel and magnitude of post-treatment platelet reactivity has been described. However, this has been demonstrated by light transmittance aggregometry, a method too laborious for daily practice. Point-of-care devices may overcome this limitation, but little is known on the predictive value of such ...
Budavari Adriane I - - 2009
We describe a 79-year-old male with recurrent high-grade liposarcoma who developed postoperative chest pain, dyspnea, and hypoxia suspicious for acute pulmonary embolism (PE). However, electrocardiogram (ECG) was suggestive of an acute ST-elevation myocardial infarction (MI). Heparin was initiated and emergent coronary angiography was performed, which demonstrated a "cutoff sign" in ...
Overbaugh Kristen J - - 2009
Acute coronary syndrome (ACS) is the umbrella term for the clinical signs and symptoms of myocardial ischemia: unstable angina, non-ST-segment elevation myocardial infarction, and ST-segment elevation myocardial infarction. This article further defines ACS and the conditions it includes; reviews its risk factors; describes its pathophysiology and associated signs and symptoms; ...
Vivo Rey P - - 2009
In the presence or absence of atherosclerosis, young adults can experience a myocardial infarction. Notably, young patients are at increased risk to be misdiagnosed since they do not frequently have traditional coronary risk factors. We describe a 19-year-old woman with chest pain and ST elevation on electrocardiogram who was initially ...
Dib Chadi - - 2009
BACKGROUND: Apical ballooning syndrome (ABS) is a unique transient cardiomyopathy that mimics an acute myocardial infarction. The relative frequency of ST-segment elevation on the 12-lead electrocardiogram (ECG) and its prognostic significance is unknown. The aims of this study were to evaluate the frequency and the clinical correlates of ST- and ...
de Gregorio Cesare - - 2011
Controlled hyperventilation leading to respiratory alkalosis may induce coronary artery spasm. This manoeuvre is currently used in the diagnosis of Prinzmetal's angina. We describe the case of a comatose patient with tracheostomy in whom hyperventilation, caused by excessive bronchial secretion resulting in partial obstruction of the tracheal cannula, was followed ...
van Werkum Jochem W - - 2009
OBJECTIVES: This study sought to comprehensively identify predictors of stent thrombosis (ST). BACKGROUND: Given the devastating consequences of ST, efforts should be directed toward risk stratification to identify patients at highest risk for ST. METHODS: Consecutive patients with angiographic ST were enrolled. Patients who did not suffer from a ST ...
Lemesle Gilles - - 2009
BACKGROUND: Stent thrombosis (ST) is a serious complication of drug-eluting stents (DES), leading to catastrophic events. ST can occur early or late following the percutaneous coronary intervention (PCI) with different possible consequences. METHODS: The records of 91 consecutive patients who presented with a definite ST (as defined by the Academic ...
Patanè Salvatore - - 2011
Exercise-induced ST-segment elevation in lead aVR accompanied by ST-segment elevation in lead V1 might be a specific finding of left main coronary artery (LMCA) stenosis. Lead aVR and lead v1 ST segment elevation has been reported, during an attack of chest pain, in patients with LMCA disease with ST segment ...
Chinushi Masaomi - - 2009
PURPOSE: This study examined the effects of verapamil (5-10 mg intravenous) on the cardiac electrical activity of 10 Brugada syndrome (BS) patients having vasospastic angina, atrial fibrillation, and/or hypertension. RESULTS: Verapamil showed no significant change in the ST-segment elevation. Likewise, there was no significant change in the lengths of QRS ...
Dominguez-Rodriguez Alberto - - 2010
Myeloperoxidase (MPO) is a marker of inflammation that has been suggested to have prognostic role in patients with acute coronary syndrome. We sought to investigate whether day-night variations occur in the concentration of circulating MPO in patients with ST-segment elevation myocardial infarction (STEMI), as this may have practical implications. We ...
Patanè Salvatore - - 2011
Changing axis deviation has been reported also during atrial fibrillation or atrial flutter. Changing axis deviation has been also reported during acute myocardial infarction associated with atrial fibrillation too or at the end of atrial fibrillation during acute myocardial infarction. Patients with unstable angina have a higher incidence of left ...
Mehilli Julinda - - 2009
The glycoprotein IIb/IIIa receptor inhibitor abciximab has improved the efficacy of primary percutaneous coronary interventions in patients with acute myocardial infarction. However, it is not known whether abciximab remains beneficial after adequate clopidogrel loading in patients with acute ST-segment-elevation myocardial infarction. A total of 800 patients with acute ST-segment-elevation myocardial ...
Rekik Sofiene - - 2012
Background: Acute coronary syndromes after hymenoptera stings and other environmental exposures are referred to as the Kounis syndrome or allergic myocardial ischemia and infarction. Case Report: We report the case of a 58-year-old man with transient inferior ST-segment elevation consistent with myocardial ischemia after a single wasp sting. Urgent cardiac ...
Ozeke Ozcan - - 2009
It is well-known that autonomic nerve modulation has an important role in the occurrence of ventricular tachyarrhythmias in Brugada syndrome. A 59-year-old man underwent cardiac evaluation before surgery for urinary bladder stone. He had no cardiac complaints and the only coronary risk factor was heavy smoking. The electrocardiogram showed a ...
Thomas Manesh - - 2009
Acute ST elevation myocardial infarction results from atherosclerotic plaque rupture with subsequent thrombus formation, leading to complete or near complete occlusion of an epicardial coronary artery. Minimization of the mechanical obstruction from this thrombus remains the main goal of therapy in ST elevation myocardial infarction. Primary percutaneous coronary intervention for ...
Jim Man-Hong - - 2009
With the exception of contrast-enhanced cardiovascular magnetic resonance imaging, clear distinction of takotsubo cardiomyopathy from anterior wall myocardial infarction cannot be achieved currently by simple and noninvasive tests. The aim of this study was to examine the role of inferior ECG leads in distinguishing these two conditions. From January 2004 ...
Cuisset Thomas - - 2011
Assessment of myocardial reperfusion during primary percutaneous coronary intervention for ST-segment elevation myocardial infarction remains challenging. The pressure wire-derived Index of Microcirculatory Resistance (IMR) is a parameter reflecting the microcirculation status. We illustrated with two cases the accuracy of the IMR in the setting of STEMI to predict myocardial damage ...
Berti Marco - - 2010
We report the case of a 60-year-old woman admitted to our hospital for typical chest pain with only mild ST segment depression in the anterior precordial leads but with left ventricular akinesia of the mid-infero-postero-lateral segments with sparing of the base and of the apical septum. Coronary angiography was normal ...
Barker Sarah - - 2009
Takotsubo cardiomyopathy, or left ventricular apical ballooning syndrome, is a newly described disorder in which patients develop anginal symptoms, often times with acute congestive heart failure, during periods of stress. The electrocardiogram demonstrates ST-segment and/or T-wave abnormalities similar to those findings seen in acute coronary events; on occasion, serum markers ...
Aksakal Enbiya - - 2009
Diabetic ketoacidosis (DKA) is an important medical emergency and may cause electrocardiogram (ECG) changes mimicking myocardial infarction. In the literature, hyperkalemia-associated ST-segment elevations have been defined in DKA; it has been demonstrated that these changes resolve completely after the treatment of hyperkalemia. We aimed to present a case with DKA ...
Uetani Tadayuki T Department of Cardiology, Chubu Rosai Hospital, Nagoya, Japan. - - 2009
With an intracoronary electrocardiogram (IcECG) recording with insulated polymer-coated guidewire without balloon catheter, we sought to examine the association between ST-segment elevation in the IcECG after elective stenting and myocardial injury. An IcECG is a sensitive method to detect local myocardial ischemia. Occasionally, persistent ST-segment elevation in the IcECG was ...
Haghjoo Majid - - 2009
AIMS: From the spectrum of electrocardiogram (ECG) changes that may occur in hypertrophic cardiomyopathy (HCM), there is no criterion reported to be useful for risk stratification. We sought to determine whether there was a relationship between the resting ECG findings and prognosis in patients with HCM. METHODS AND RESULTS: We ...
Leibowitz David - - 2009
BACKGROUND: Spontaneous reperfusion (SR) may occur in patients with ST elevation myocardial infarction (STEMI) prior to reperfusion therapy. Hyperglycemia is common on admission in patients with STEMI and is associated with a worse prognosis. Mechanisms remain unclear but may include impairment of coronary flow. The objective of this study was ...
Musuraca Gerardo - - 2009
We report a 57 year-old male patient admitted with a diagnosis of non-ST elevation acute myocardial infarction. He had suffered from chest pain, diaphoresis and intense asthenia for three days. The electrocardiogram on admission showed a high frequency sinus tachycardia. Troponin T levels were elevated. An echocardiogram suggested an antero-lateral ...
Ker James - - 2009
The causes for ST-segment elevation other than myocardial infarction are numerous.The existence of left ventricular false tendons has been known for more than a century. Currently, the clinical entities associated with these left ventricular false tendons include innocent murmurs and premature ventricular contractions.A case report is presented where such a ...
Furuki Maky - - 2009
Several studies have demonstrated that the natural course of hypertrophic cardiomyopathy can be variable, often unpredictable with high morbidity and mortality. Therefore, screening for potential cases and periodical evaluation of affected patients is compelling. The purpose of our study is to assess a relationship of the electrocardiographic finding of ST-segment ...
Steadman Christopher D - - 2009
A 49-year old patient presented late with an anterolateral ST-elevation myocardial infarction and was treated with rescue angioplasty to an occluded left anterior descending artery. Her recovery was complicated by low-grade pyrexia and raised inflammatory markers. Cardiovascular magnetic resonance 5 weeks after the acute presentation showed transmural infarction and global ...
Mizrahi Meir - - 2009
Intravenous immunoglobulins (IVIgs) are used for several indications, including autoimmune conditions. IVIg treatment is associated with several possible adverse reactions including induction of a hypercoagulable state. We report a 76-year-old woman treated with IVIg for myasthenia gravis, which developed chest pain and weakness following IVIg infusion. The symptoms were associated ...
Jiménez-Candil Javier - - 2009
OBJECTIVES: To determine, in patients with ST-segment elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PPCI), the mechanisms and clinical implications of the acute changes in QT dispersion (QTd). METHODS: In this prospective study we included 216 patients admitted with a STEMI of <12 h of evolution. All ...
Szydło Krzysztof - - 2009
BACKGROUND: Negative T wave and lack of ST segment elevation in predischarge ECG in ST-segment elevation myocardial infraction (STEMI) patients are given as markers of good prognosis. Repolarization duration, especially its late part (TpeakTend - TpTe), likewise ST-T patterns, is related to local post-myocardial infarction myocardial attributes. We analyzed the ...
Kyoon Lim Hyun - - 2009
Non-ST-segment elevation myocardial infarction (NSTEMI) cannot be easily detected in the emergency room. We evaluate a method to detect NSTEMI using 64-channel magnetocardiography (MCG). MCG recordings were made in 20 NSTEMI patients (aged 59.7+/-12.4 years), 15 young (aged 26.8+/-3.4 years), and 13 age-matched control subjects (aged 57.3+/-3.6). We evaluated three ...
Jim Man-Hong - - 2009
BACKGROUND: The clinical and angiographic findings of patients suffered from acute myocardial infarction (MI) and presented with combined ST elevation in both anterior and inferior leads remain unclear. HYPOTHESIS: These patients might have >/= 1 coronary arteries occluded. METHODS: From January 2002 to December 2006, 49 consecutive patients were found ...
Imasa Marcelo Severino B - - 2009
Homocysteinemia is a risk factor for cardiovascular diseases. Folic acid combined with vitamins B(6) and B(12) is effective in lowering homocysteine levels. This randomized placebo-controlled study was designed to determine the effect of a folic acid-based supplement on secondary prevention of clinical events in non-ST-segment elevation acute coronary syndromes. The ...
Gu Youlan L - - 2009
Administration of abciximab during primary percutaneous coronary intervention is an effective adjunctive therapy in the treatment of patients with ST-segment elevation myocardial infarction. Recent small-scaled studies have suggested that intracoronary administration of abciximab during primary percutaneous coronary intervention is superior to conventional intravenous administration. This study has been designed to ...
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