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Results 401 - 450 of 2506
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Tsikrikas Spyros - - 2012
The implantable cardioverter-defibrillator (ICD) has been proven to reduce the mortality of patients with life-threatening ventricular arrhythmias, and has become the therapy of choice for patients with aborted sudden cardiac death or poorly tolerated ventricular tachycardias. Abrupt changes in ventricular cycle lengths or short-long-short (S-L-S) sequences might precede the initiation ...
Rao H-B - - 2012
Cerebral infarction will cause ischemic encephalopathy and lactate accumulation in the brain in acute cerebral infarction. This study investigated the optimization of pulse sequences for lactate detection and its diagnostic value in acute cerebral infarction using proton MR spectroscopy ((1)H MRS). The studies were performed on a phantom and on ...
Catena Emanuele - - 2012
Ventricular assist devices are electromechanical pumps used for circulatory support of patients with severe heart failure. Current ventricular assist device therapy provides a broad spectrum of support systems ranging from short-term to long-term devices. Echocardiography is an ideal modality to monitor patients undergoing mechanical circulatory support because it is less ...
Sun Q N - - 2012
We investigated the regeneration of cardiac lymphatic vessels and capillaries in the infarcted myocardiac zones after acute myocardial infarction in rats. The anterior descending artery of the heart was ligated for infarction and both immunohistochemistry and immunofluorescence were used to detect pathological changes of lymphatic vessels in infarcted zone (IZ), ...
Daly Mj - - 2012
This study sought to determine whether 80-lead body surface potential mapping (BSPM) would improve detection of acute myocardial infarction (AMI) and occluded culprit artery in patients presenting with ST-segment depression (STD) only on 12-lead ECG. In patients with acute coronary syndromes (ACS), the standard 12-lead ECG has limited sensitivity (50-60%) ...
Turco Mark A - - 2012
Background: With the changing health care environment, cost effectiveness is an important adjunct to clinical investigation when assessing new medical devices. This study presents an economic model to evaluate cost effectiveness of coronary stents. Methods: Markov modeling was developed comparing total costs (Medicare payer perspective) between TAXUS Liberté and TAXUS ...
Wong Cheuk-Kit - - 2012
BACKGROUND: The current European and American Guidelines differ with regard to the recommended level for the use of routine early angiography after fibrinolysis for STEMI. Previous meta-analyses on randomized controlled trials have supported the routine early approach, but its advantage may be because of an excessively low angiography rate among ...
Niederhauser Thomas - - 2012
Detection of arrhythmic atrial beats in surface ECGs can be challenging when they are masked by the R or T wave, or do not affect the RR-interval. Here, we present a solution using a high-resolution esophageal long-term ECG that offers a detailed view on the atrial electrical activity. The recorded ...
Fan Ying - - 2012
Myocardial reperfusion therapy remains the most effective strategy to limit infarct size and improve clinical outcome. However, reperfusion injury is still inevitable, and a number of strategies have been developed to ameliorate its lethal outcome. The beneficial roles of ischemic postconditioning (Ipost) have regained more interest in targeting myocardial reperfusion ...
Kahali Dhiman - - 2012
Extensive damage of the myocardium following an acute myocardial infarction usually causes cardiogenic shock. A 66-year-old male patient was treated successfully by primary percutaneous transluminal coronary angioplasty (PTCA) following an acute anterior wall myocardial infarction with prior moderate LV systolic dysfunction and developing cardiogenic shock with intra-aortic balloon counterpulsation (IABP), ...
Gupta Yashdeep - - 2012
Vitiligo in association with autoimmune endocrine disorders, especially with hypothyroidism, is not uncommon. Some amount of pericardial effusion is usually present in long-standing/untreated hypothyroidism. Here we describe the case of young male with, long-standing progressive vitiligo, presenting with congestive cardiac failure due to dilated cardiomyopathy and primary hypothyroidism. Cardiac dysfunction ...
Demarchi Marco Stefano - - 2012
Cardiac troponins are the most sensitive and specific serum markers of myocardial cell injury, but they can also arise without apparent cardiac injury. Besides, acute cholecystitis may be associated with nonspecific ST-T wave changes in electrocardiography (ECG). The signs and symptoms of gallbladder and heart disease may overlap, which can ...
Lowry Adam W - - 2012
Pediatric mechanical circulatory support has evolved considerably in the past decade. Improvements in device design and availability have led to increased short-, medium-, and long-term support options for pediatric patients with heart failure. Most pediatric mechanical circulatory support is utilized as a bridge to transplant and as a bridge to ...
Hodt Anders - - 2012
The main purpose of the this human study was by speckle tracking imaging to characterize the regional and temporal distribution of normal left ventricular (LV) deformation and the LV geometry during isovolumetric contraction (IVC) and the ejection phase. Twelve healthy young men [22 (2·3) years] were included. Longitudinal and circumferential ...
Eskandarian R - - 2012
In a prospective cohort study, we evaluated the effect of Helicobacter pylori seropositivity on the risk of future adverse cardiovascular outcomes among patients with acute coronary syndrome (ACS). In 433 patients, IgA and IgG antibodies to H pylori, along with classic risk factors, including hypertension, diabetes, hyperlipidaemia, smoking and family ...
Braunwald Eugene - - 2012
Since Herrick's description of the clinical picture of acute myocardial infarction exactly one century ago (1912), there have been three phases of therapy: Phase 1 (1912-1961, bed rest and 'expectant' treatment); Phase 2 (1961-1974, the coronary care unit); and Phase 3 (1975-present, myocardial reperfusion). We are now on the cusp ...
Schiano Patrick - - 2012
Aspirin is key to the treatment of acute myocardial infarction, particularly if stent implantation is considered. In patients with a history of hypersensitivity to aspirin, the optimal management of ST-segment elevation acute myocardial infarction is unclear. We suggest a strategy for addressing this problem by performing percutaneous coronary intervention with ...
Noguchi Kenichiro - - 2012
Ventricular septal perforation represents a serious complication after acute myocardial infarction. This study aimed to evaluate the short-term and longterm outcomes of postinfarction ventricular septal perforation (VSP). We evaluated outcomes for VSP repair for 42 patients over 19 years. A retrospective analysis of clinical records, risk factors for hospital death, ...
Wilhelm Matthias - - 2012
Long-term endurance sports are associated with atrial remodeling and atrial arrhythmias. More importantly, high-level endurance training may promote right ventricular (RV) dysfunction and complex ventricular arrhythmias. We investigated the long-term consequences of marathon running on cardiac remodeling as a potential substrate for arrhythmias with a focus on the right heart. ...
Bae Eun Hui - - 2012
BACKGROUND: Despite strong evidence linking decreased glomerular filtration rate (GFR) to worse outcomes, the impact of GFR on mortality and morbidity in patients with acute myocardial infarction (AMI) is not well defined. STUDY DESIGN: Retrospective cohort study. SETTING & PARTICIPANTS: 12,636 patients with AMI in the Korea AMI Registry database ...
Post Simone - - 2012
Objective: The aim of this pilot study was to determine whether early atorvastatin treatment will reduce left ventricle (LV) remodeling, infarct size, and improve microvascular perfusion. Background: In animal studies, early statin therapy reduces reperfusion injury after a percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI). Methods: Forty-two consecutive ...
Cakar M Akif - - 2012
The incidence of dual left anterior descending coronary artery (LAD) in normal hearts has been reported to range from 0.13 to 1%. Type IV dual LAD differs from the other three types in the origination of the long LAD from the right coronary sinus. We present a case of type ...
Wykrzykowska Joanna J - - 2012
In this substudy of the PROSPECT (Providing Regional Observations to Study Predictors of Events in the Coronary Tree) study, we examined the longitudinal distribution of atherosclerotic plaque burden, virtual histology-intravascular ultrasound (VH-IVUS) characterized necrotic core (NC) content and VH-thin-cap fibroatheroma (TCFA) distribution in nonculprit lesions of patients presenting with acute ...
Wijnbergen Inge - - 2012
The goal of this study was to demonstrate superiority of sirolimus-eluting stents (SES) over bare-metal stents (BMS) and of abciximab over no abciximab in primary percutaneous coronary intervention (PCI). Drug-eluting stents (DES) are increasingly used in primary PCI, but the recommendations for use in primary PCI are based on a ...
Tsai Shang-Feng SF Division of Nephrology, Department of Medicine, Taichung Veterans General Hospital, - - 2014
Native renal infarction is uncommon in patients with atrial fibrillation (AF)-related thromboembolism. Graft infarction is also rare, with such cases mostly occurring in the main graft artery postoperatively. To date, there have been no studies of AF-related graft kidney infarction. We herein describe the first case of AF-related graft kidney ...
Seo Guang-Won GW Division of Cardiology, Department of Internal Medicine, Haeundae Paik Hospital, Inje University of College, - - 2014
Although the primary cause of acute coronary syndrome is atherosclerotic disease, it is important to include other causes of acute myocardial infarction. This report describes the case of a 53-year-old man with acute myeloid leukemia, who was referred to our cardiology department for treatment of acute myocardial infarction with ST ...
Kato Yasuyuki - - 2012
We performed long segmental reconstruction of the left anterior descending coronary artery (LAD) using the left internal thoracic artery (LITA) in patients with diffusely diseased coronary arteries. Our study investigated short- and long-term outcomes and angiographic results after complete revascularization using this technique. Between March 1995 and March 2001, 112 ...
Kashiwa Koichi - - 2012
Since left heart bypass or biventricular circulatory assist with an extracorporeal centrifugal pump as a bridge to decision or recovery sometimes requires long-time support, the long-term durability of extracorporeal centrifugal pumps is crucial. The Rotaflow Centrifugal Pump(®) (MAQUET Cardiopulmonary AG, Hirrlingen, Germany) is one of the centrifugal pumps available for ...
Vizzardi Enrico - - 2012
Organic nitrates remain among the oldest and most commonly employed drugs in cardiology. While, in most cases, their use in acute and chronic heart failure is based on clinical practice, only a few clinical trials have been conducted to evaluate their use in acute and chronic heart failure, most of ...
Gelder Robert N - - 2012
Patients with implantable cardioverter defibrillator lead insulation failures may present with oversensing and/or abnormal impedance. The Lead Integrity Alert (LIA) monitors right ventricular pace/sense leads using both continuous oversensing and daily impedance measurementd. Oversensing consists of isolated short R-R intervals and nonsustained runs of short R-R intervals. The LIA algorithm ...
Mottet E - - 2012
The objective of this retrospective study is to determine normal reference values for 2-Dimension (2D) and Motion-mode (M-mode) echocardiographic parameters in nonsedated healthy young adult Sphynx cats and to compare them to those of the domestic shorthair (DSH). 131 Sphynx cats underwent cardiac screening prior to breeding. The control group ...
Lamy Andre - - 2012
Uncertainty remains regarding the benefits and risks of the technique of operating on a beating heart (off pump) for coronary artery bypass grafting (CABG) surgery versus on-pump CABG. Prior trials had few events and relatively short follow-up. There is a need for a large randomized, controlled trial with long-term follow-up ...
Lipska Kasia J - - 2012
Hyperglycemia during admission for acute myocardial infarction (MI) is common and associated with poor outcomes. Prior studies employed two distinct approaches to improve outcomes in patients with acute MI-one focused on glucose control, and the other on provision of glucose, insulin, and potassium. However, despite multiple largescale studies, the benefits ...
Cakmak Huseyin Altug - - 2012
Myocardial infarction (MI) associated with sildenafil citrate is seen rarely in patients without any history of coronary artery disease. We report a nitrate-free patient with a history of cardiovascular risk factors who developed acute MI after taking sildenafil. A 44-year-old man diagnosed with acute anterior ST segment elevation MI 120&emsp14;min ...
Riezebos Robert K - - 2012
The clinical course of an acute coronary syndrome can vary from relatively benign to potentially fatal. The biomarkers of myocardial necrosis relate to the amount of myocardial damage and are closely linked to a patient's prognosis. They are measured to help guide management decisions. Recent interest in myocardial neurohumoral mechanisms ...
MacKenzie Ross - - 2012
A life insurance applicant's electrocardiogram shows ST elevation and terminally negative T-waves suggestive of acute myocardial ischemia.
Weiss Sandra A - - 2012
Percutaneous ventricular assist devices are increasingly used today, allowing the scope of left ventricular support to move out of the operating room and into the interventional suite and cardiovascular care unit. This has given patients requiring short-term therapy an opportunity to undergo high-risk procedures and provide a failing left ventricular ...
Garnock-Jones Karly P - - 2012
Supraventricular tachyarrhythmia (including atrial fibrillation), hypertension and tachycardia in the perioperative setting, and acute ischaemic heart disease are generally agreed to require rapid attention and treatment. Prolonged tachyarrhythmia or hypertension can result in significant morbidity, such as cerebrovascular events, myocardial infarction and other end-organ damage. This article reviews the clinical ...
Morimoto Kotaro - - 2012
Even in the era of thrombus aspiration and distal protection for ST-segment elevation acute myocardial infarction (STEMI), microvascular dysfunction does exist and improvement of microvascular dysfunction can improve the prognosis and/or left ventricular dysfunction. We evaluated the acute effects of nitroprusside (NTP) on coronary microvascular injury that occurred after primary ...
Yamashita Chikara - - 2012
We report a case of a small cortical infarction in the postcentral gyrus that presented an isolated hemicape-like sensory disturbance. A 47-year-old man suddenly developed numbness and paresthesia in the left neck, shoulder, arm, and upper trunk. Examination revealed hypoesthesia to touch and pain in these areas along with a ...
Sasikumar Navaneetha - - 2012
Complete atrioventricular block complicating acute anterior wall ST elevation myocardial infarction (MI) is classically considered one of the worst prognostic indicators. We present the case of a gentleman who developed complete atrioventricular block during the course of acute anterior wall ST elevation MI, and had spontaneous resolution of the same. ...
Yamaki Masaru - - 2012
We herein describe a case of a myocardial infarction, in which Lambda-like J waves were documented. The patient was referred to our hospital due to ventricular fibrillation. The twelve-lead electrocardiogram (ECG) on admission showed prominent J waves in the lateral and precordial leads. Coronary angiography revealed 99% stenosis with a ...
Bilir Cemil - - 2012
Common uses of the granulocyte-colony stimulating factors in the clinical practice raise the concern about side effects of these agents. We presented a case report about an acute myocardial infarction with non-ST segment elevation during filgrastim administration. A 73-year-old man had squamous cell carcinoma of larynx with lung metastasis treated ...
Chemello Diego - - 2012
Abrupt changes in heart rate, particularly short-long-short sequences in the ventricular cycle length (CL), might precede initiation of ventricular tachycardia/fibrillation (VT/VF). These changes may be facilitated or caused by pacing activity in patients with pacemakers or implantable-cardioverter defibrillators (ICDs). We describe a patient with two episodes of acquired VT precipitated ...
Yayan Josef - - 2012
Patients with unstable angina or myocardial infarction are at risk of acute kidney injury, which may be aggravated by the iodine-containing contrast agent used during coronary angiography; however, the relationship between these two conditions remains unclear. The current study investigated the relationship between acute kidney injury and coronary heart disease ...
Almassinokiani Fariba - - 2012
Acute myocardial infarction (MI) during pregnancy is rare and MI due to Prinzmetal's angina is much rarer. We present a 35-year-old, obese, multigravida, and pre-eclamptic woman, who developed acute anterior wall MI at the 30th week of gestation. On coronary angiography, the second obtuse marginal branch was totally occluded and ...
Potu Cr - - 2012
Despite the well documented benefit of echocardiography in acute coronary syndromes, its wide-scale use in the Caribbean is limited by access, health literacy and affordability. Because of the limited use of echocardiography in the region, routine complications of acute myocardial infarction (AMI) are not fully appreciated and may go unrecognized, ...
Mohamadpoor T - - 2012
Human enteroviruses (EVs) may have a role as a possible risk factor in the pathogenesis of MI. The aim of this study was to evaluate the presence of enterovirus genomic RNA in peripheral blood samples of patients with acute myocardial infarction (MI). We investigated the presence of enterovirus genomic RNA ...
Kiliszek Marek - - 2012
Despite a substantial progress in diagnosis and therapy, acute myocardial infarction (MI) is a major cause of mortality in the general population. A novel insight into the pathophysiology of myocardial infarction obtained by studying gene expression should help to discover novel biomarkers of MI and to suggest novel strategies of ...
Leitman Marina - - 2012
Until recently acute inflammatory peri-myocardial syndromes have been associated with global rather regional left ventricular (LV) dysfunction. Recent advances in cardiac imaging with echocardiographic techniques and magnetic resonance imaging (MRI) permit comprehensive evaluation of global and regional LV function. Our study was aimed to assess regional LV function in 100 ...
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