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Jesel Laurence L Department of Cardiac Electrophysiology, Hôpital Cardiologique du Haut-Lévêque & Université Victor Segalen Bordeaux II, Bordeaux, France - - 2014
-The optimal contact force (CF) for ventricular mapping and ablation remains unvalidated. We assessed CF in different endocardial and epicardial regions during ventricular tachycardia (VT) substrate mapping using a CF-sensing catheter (Smartouch, Biosense-Webster) and compared the trans-septal (TS) versus retro-aortic approach (RAo). -In total, 8979 mapping points with CF and ...
Yu Pey-Jen - - 2014
IntroductionThere is substantial variability in the preoperative use of intraaortic balloon pumps (IABPs) in patients undergoing coronary artery bypass grafting post myocardial infarction. The objective of this study is to determine the effect of preoperative IABPs on postsurgical outcomes in this subset of patients.MethodsFrom 2007 to 2012, 877 patients underwent ...
Motoki Hirohiko H Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, - - 2014
Left atrial (LA) strain is a sensitive measure of LA mechanics. However, its relationship with rhythm outcomes after catheter ablation in patients with atrial fibrillation (AF) is not well established. The aim of this study was to evaluate whether baseline LA global longitudinal strain (LAε) predicts rhythm outcomes in patients ...
Mahmoud Hani M HM Adult Cardiology Department, Prince Sultan Cardiac Center, Al-Ahsa, Hofuf, Saudi - - 2014
The coronary sinus (CS) has become a clinically important structure especially through its role in providing access for different cardiac procedures such as arrhythmia ablation, biventricular pacing and recently, percutaneous valvular interventions. Fluoroscopy with or without two-dimensional transesophageal echocardiography is the widely used method for guidance. A 78-year-old female patient ...
Imanishi Junichi J Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, - - 2014
Identification of heart failure (HF) symptoms in patients with severe aortic stenosis (AS) and preserved left ventricular (LV) ejection fraction (EF) is clinically important, but assessment of HF symptoms is challenging. It was recently reported that resting left atrium (LA) functions are related to exercise performance and are also important ...
Cubillo Efrain Israel EI 4th Division of Cardiovascular and Thoracic Anesthesiology, The Mayo Clinic, Phoenix, - - 2014
Recent clinical advances with new mechanical circulatory systems have led to additional strategies in the treatment of end-stage heart failure. The third-generation HeartWare Left Ventricular Device (LVAD) System utilizes a blood pump and a driveline (cable) that exits the patient's skin connecting the implanted pump to an externally worn controller. ...
Matía Roberto R From the Arrhythmia Unit, Cardiology Department, Hospital Ramón y Cajal, Madrid, - - 2014
A 19-year-old man diagnosed with spongiform cardiomyopathy and ventricular preexcitacion was referred to our hospital for electrophysiological (EP) testing after a syncopal episode. Baseline electrocardiogram (ECG) showed ventricular preexcitation consistent with the presence of a superior paraseptal, anteroseptal, accessory pathway (AP). After triple femoral vein puncture a decapolar catheter was ...
Ozaki Kazuyuki K Department of Cardiology, Niigata City General Hospital, Niigata, Japan. Electronic address: - - 2014
Although transient left ventricular outflow tract (LVOT) obstruction is reported as a complication with acute myocardial infarction (AMI), the mechanisms and features of LVOT obstruction in AMI are unclear. Herein, we present two cases of transient LVOT obstruction with anteroseptal AMI. The features of these two cases were one-vessel disease ...
Renaud Claude J CJ Department of Medicine, Khoo Teck Puat Hospital, Yishun Central - - - 2014
The right atrium is preferred over the superior vena cava (SVC) for tunnelled dialysis catheter (TDC) tip placement as it offers the best compromise between optimal catheter performance and complications. However, clinical practice guidelines are not all unanimous on this as a universal recommendation. Right atrial tip placement may also ...
Tanaka Yasuaki Y Department of Medicine, Section of Cardiac Electrophysiology, University of California, San Francisco; San Francisco, - - 2014
Standard electroanatomic mapping systems use a single catheter to perform left ventricular (LV) substrate mapping. A new mapping system uses a 64-electrode mini-basket catheter to perform rapid automated acquisition of chamber geometry, voltage and activation. The aim of this study was to compare the accuracy of the basket catheter to ...
Marinković Milan M MM - - 2014
Atrial fibrillation is the most common sustained arrhythmia in clinical practice, associated with increased mortality, risk of stroke and heart failure, as well as the reduction of the quality of life. Atrial fibrillation may be encountered in young otherwise healthy individuals, due to the isolated electrophysiological disorder limited mostly to ...
Sadek Mouhannad M MM Section of Cardiac Electrophysiology, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, - - 2014
The moderator band (MB) can be a source of premature ventricular contractions (PVCs), monomorphic ventricular tachycardia (VT), and idiopathic ventricular fibrillation (IVF). The purpose of this study was to define the electrocardiographic (ECG) characteristics and procedural techniques to successfully identify and ablate MB PVCs/VT. In 10 patients with left bundle ...
Tanaka Komei K Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, - - 2014
-Despite the increasing prevalence of heart failure (HF) with preserved ejection fraction (HFpEF) in humans, there remains no therapeutic options for HFpEF. Adiponectin (APN), an adipocyte-derived cytokine exerts cardioprotective actions and its deficiency is implicated in the development of hypertension and HF with reduced ejection fraction. Similarly APN deficiency in ...
Wasmer Kristina K Division of Clinical and Experimental Electrophysiology, Department of Cardiology and Angiology, University Hospital Münster, Albert-Schweitzer-Campus 1, Gebäude A1, 48149, Münster, Germany, - - 2014
Atrial fibrillation (AF) is associated with increased risk for stroke, heart failure and mortality. The causality between worse prognosis and AF is not clear at this time and AF may just be expression of underlying heart disease that by itself is associated with increased morbidity and mortality. AF is characterized ...
Unai Shinya S Shinya Unai, Hitoshi Hirose, John WC Entwistle III, Louis E Samuels, Division of Cardiothoracic Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, PA 19107, United - - 2014
A 50-year-old male who underwent a HeartMate II left ventricular assist device placement for ischemic cardiomyopathy presented with discolored urine and hemolysis 3 mo after the operation. His hemolysis was thought to be due to thrombosis within the pump. Imaging studies were not able to visualize a left ventricular thrombus. ...
Dariolli Rafael R Heart Institute (InCor), University of São Paulo Medical School, São Paulo, - - 2014
The objectives of this study were to develop a robust, homogeneous, viable and inexpensive model of closed-artery catheter-based model of myocardial infarction (MI) in pigs without major cardiac dysfunction. Suitable animal models that mimic human cardiovascular conditions are of paramount importance to understand the effects of novel therapeutic strategies to ...
Min Jooncheol J Department of Thoracic and Cardiovascular Surgery, SMG-SNU Boramae Medical - - 2014
Recurrent ventricular arrhythmia can be fatal and cause serious complications, particularly when it is caused immediately after an operation. Incorrect placement of a Swan-Ganz catheter can trigger life-threatening ventricular arrhythmia, but even intensive care specialists tend to miss this fact. Here, we report a case of recurrent ventricular arrhythmia causing ...
Dai Zixuan Z Cardiovascular Research Institute of Wuhan University, Renmin Hospital of Wuhan University, Wuhan City, - - 2014
Aims: This study sought to assess whether renal sympathetic denervation (RSD) could suppress ventricular substrate remodelling and attenuate heart failure (HF) progression. Methods and results: Nineteen dogs were randomised into three groups - seven sham-operated controls, six with right ventricular pacing to induce HF, and six with RSD followed eight ...
Sepehripour Amir H - - 2014
Off-pump coronary artery bypass surgery (OPCAB) has been hypothesised to be beneficial in the high-risk patient population undergoing re-operative coronary artery bypass graft surgery (CABG). In addition, this technique has been demonstrated to provide subtle benefits in end-organ function including heart, lungs and kidney. The aims of this study were ...
Donaldson Erin E EE Department of Family Medicine, Methodist Charlton Medical Center, Dallas, - - 2014
We describe a 47-year-old man who underwent heart transplantation (HT) for severe right-sided heart failure and periodic episodes of ventricular tachycardia (VT) 43 years after operative repair of tetralogy of Fallot (T of F). The right-ventricular outflow tract, the site where a patch had been placed 4 decades earlier, was aneurysmal. Such ...
Mocanu Valentin V Division of Cardiac Surgery, Department of Surgery, Dalhousie University, Halifax, Nova Scotia, - - 2014
Complete revascularization (CR) has been suggested to provide benefits to both early and long-term outcomes, but the magnitude of the benefit and frequency of incomplete revascularization (IR) after coronary artery bypass graft operations is rarely explored and is the subject of the present study. All patients who underwent isolated bypass ...
Patel Hiren H Division of Internal Medicine Residency Program, University of Illinois, Chicago, - - 2014
With conflicting evidence regarding the usefulness of intraaortic balloon pump (IABP), reports of IABP use in the United States have been inconsistent. Our objective was to examine trends in IABP usage in percutaneous coronary intervention (PCI) in the United States and to evaluate the association of IABP use with mortality. ...
Khera Sahil S New York Medical College, Valhalla, - - 2014
The influence of admission source (nursing home [NH] versus community-dwelling) on treatment strategies and outcomes among elderly patients with ST-elevation myocardial infarction (STEMI) has not been investigated. Nationwide Inpatient Sample databases from 2003 to 2010 were used to identify 270,117 community-dwelling and 4082 NH patients 75 years of age or ...
Pahlm Ulrika U Department of Clinical Physiology and Nuclear Medicine, Lund University and Skåne University Hospital, Lund, - - 2014
In a patient with chest pain and suspected acute coronary syndrome, the electrocardiogram (ECG) is the only readily available diagnostic tool. It is important to maximize its usefulness to detect acute myocardial ischemia that may evolve to myocardial infarction unless the patient is treated expediently with reperfusion therapy. Since diagnostic ...
Rajagopalan Navin N University of Kentucky, 900 South Limestone Street, Lexington, KY 40536 USA. - - 2014
The Impella 5.0 is a minimally invasive heart assist device that can be used to stabilize patients with cardiogenic shock. We present the case of a 49-year-old female in cardiogenic shock who required left ventricular assist device placement, but was not an optimal candidate for surgery due to severe deconditioning ...
Sciahbasi Alessandro A Interventional Cardiology, Sandro Pertini Hospital - ASL RMB, Rome. Electronic address: - - 2014
Radiation absorbed by interventional cardiologists is a frequently under-evaluated important issue. Aim is to compare radiation dose absorbed by interventional cardiologists during percutaneous coronary procedures for acute coronary syndromes comparing transradial and transfemoral access. The randomized multicentre MATRIX (Minimizing Adverse Haemorrhagic Events by TRansradial Access Site and Systemic Implementation of ...
Stein Gideon Y GY Internal Medicine "B", Beilinson Hospital, Rabin Medical Center, affiliated to the Sackler School of Medicine, Tel Aviv University, Tel-Aviv, - - 2014
Type-II MI is defined as myocardial infarction (MI) secondary to ischemia due to either increased oxygen demand or decreased supply. This categorization has been used for the last five years, yet, little is known about patient characteristics and clinical outcomes. In the current work we assessed the epidemiology, causes, management ...
Wu Nan N Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, People's Republic of - - 2014
The aim of this study was to determine the effect of picroside II on myocardial ischemia reperfusion injury in rats and to explore its underlying mechanism. Isolated rat hearts underwent 30 minutes of global ischemia followed by 120 minutes of reperfusion. Different doses of picroside II (1 μM, 10 μM, ...
Cohen Arazi Hernán H Consejo de emergencias cardiovasculares Dr. Rafael Bullrich, Sociedad Argentina de Cardiología. E-mail: - - 2014
Investigators have raised doubts as to the safety of the Swan Ganz catheter (SGC). In order to define the point of view of cardiologists in our country, the Argentine Society of Cardiology's Emergency Council organized a meeting to analyze their views in different settings (non-cardiac surgery, cardiac surgery, acute coronary ...
Stenberg Thor Allan TA Cardiovascular Research Group, Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway; Department of Cardiothoracic and Vascular Surgery, University Hospital of North Norway, Tromsø, - - 2014
The mechanisms contributing to multiorgan dysfunction during cardiogenic shock are poorly understood. Our goal was to characterize the microcirculatory and mitochondrial responses following ≥10 hours of severe left ventricular failure and cardiogenic shock. We employed a closed-chest porcine model of cardiogenic shock induced by left coronary microembolization (n = 12) and a ...
Baumann Stefan S First Department of Medicine, Faculty of Medicine Mannheim, University Medical Center Mannheim (UMM), University of Heidelberg, Mannheim, - - 2014
Takotsubo cardiomyopathy (TC) is characterized by the abrupt onset of cardiac dysfunction, with transient apical and midventricular hypo-/akinesia with a compensatory hypercontractility of the remaining segments. The clinical presentation appears to be similar to acute myocardial infarction (AMI). However, the myocardial dysfunction is reversible. We report on the case of ...
Vijayalakshmi I B - - 2013
Amplatzer Duct Occluder II (ADO II) is especially designed for closing long ducts in infants. The experience with off-label use of the ADO II in non-ductal positions is limited. Aim: To evaluate feasibility of use of ADO II in non-ductal positions, occurrence of complete heart block (CHB), advantages and disadvantages. ...
Lazar John F - - 2013
Right ventricular (RV) failure after the insertion of a left ventricular assist device (LVAD) historically results in poor outcomes. Patients requiring temporary RV support after LVAD insertion are a heterogeneous group of patients consisting of those in cardiogenic shock after myocardial infarction, to those with chronic decompensated heart failure. For ...
Zhou Zhichao - - 2013
We previously demonstrated that uridine adenosine tetraphosphate (Up4A) exerts a potent vasodilator effect in the healthy porcine coronary vasculature. Since the coronary microvascular effects of Up4A after myocardial infarction (MI) are unknown, the present study investigated the response to Up4A in coronary microvessels from post-MI remodeled porcine myocardium, and the ...
Núñez-Gil Iván J - - 2013
To assess the relationship between functional mitral regurgitation (MR) after a non-ST segment elevation acute coronary syndrome (NSTSEACS) and long-term prognosis, ventricular remodelling and further development of atrial fibrillation (AF), since functional MR is common after myocardial infarction. Prospective cohort study conducted in a tertiary referral centre. We prospectively studied ...
Minha Sa'ar - - 2013
The Food and Drug Administration held a Circulatory System Devices Advisory Panel meeting, December 5 and 6, 2012, to review the classification or potential reclassification of the following device types: external counterpulsation, intra-aortic balloon pump (IABP), and non-roller-type cardiopulmonary bypass blood pumps. These 3 devices are preamendment (Medical Device Amendments ...
Salick Muhammad Musa MM Department of Cardiothoracic Surgery, Aga Khan University Hospital, Karachi, - - 2013
improvements in nonsurgical revascularization have left a group of higher-risk patients presenting for operation in a later stage of coronary artery disease. We undertook this study to analyze temporal changes in demographic and clinical profiles and outcomes of cardiac surgical patients. we identified and retrieved preoperative, intraoperative, and postoperative variables ...
Sasaki Shunsuke - - 2013
BACKGROUND: Acute Stanford type A aortic dissection (AAD) with coronary involvement is associated with high mortality. However, coronary involvement is not always successfully visualized by computed tomography and two-dimensional (2D) transesophageal echocardiography (TEE). The aim of this study was to test the hypothesis that three-dimensional (3D) TEE can detect coronary ...
Moak Jeffrey P - - 2013
BACKGROUND: -Supraventricular arrhythmias (junctional ectopic tachycardia (JET) and atrial tachyarrhythmias (AT)) frequently complicate recovery from open heart surgery (OHS) in children and can be difficult to manage. Medical treatment of JET can result in significant morbidity. Our goal was to develop a non-pharmacologic approach using autonomic stimulation of selective fat ...
Hoashi Takaya - - 2013
BACKGROUND: The changes of left ventricular function after undergoing a Ross-Konno operation for pediatric patients with multiple-level left ventricular outflow tract obstruction are still unclear. METHODS: From 1996 to 2006, 14 patients younger than 20 years underwent a Ross-Konno operation. The mean age at the time of the operation was ...
Belway Dean - - 2013
Left ventricular assist device technology has improved such that mechanical malfunction, particularly with newer generation continuous flow devices, is a relatively rare event. We present a case of sudden power loss in a HeartMate II caused by intermittent contact of the battery terminals after a clip was dropped with the ...
Suzuki R - - 2013
OBJECTIVES: To evaluate left ventricular geometry in dogs with various stages of myxomatous mitral valve disease. METHODS: Ninety-seven dogs with myxomatous mitral valve disease classified by the International Small Animal Cardiac Health Council system and 20 weight- and age-matched healthy dogs. Left ventricular long-axis to short-axis ratio, sphericity index in ...
Sareyyupoglu Basar - - 2013
A 73-year-old patient supported by a HeartMate II ventricular assist device (VAD) (Thoratec Corp, Pleasanton, CA) experienced erosion of the outflow graft caused by the disconnection of the bend relief. He underwent successful surgical repair.
Ulas Turgay - - 2013
Contrast induced kidney injury is an acute renal dysfunction that is secondary to the administration of radio contrast media. The purpose of this study was to evaluate the levels of urotensin-II (UT-II) and endothelin-I (ET-I) after contrast media administration in patients undergoing percutaneous coronary interventions. In this prospective cohort study, ...
Hosseini Morteza Tavakkoli - - 2013
BACKGROUND: HeartMate II (HM II) and HeartWare (HW) Left Ventricular Assist Devices have been successfully used in end-stage heart failure patients as a bridge to transplantation, recovery, or decision. We set out to compare their effect in off-loading the left ventricle and its geometry. METHODS: The left ventricular end diastolic ...
Rohn V - - 2013
The incidence of post infarction ventricular septal rupture (PIVSR) is decreasing in the last years due to aggressive treatment of myocardial infarction with early percutaneous coronary interventions. As a consequence patients with PIVSR are referred to surgery more often with significant heart failure. The aim of this retrospective study was ...
Kurabayashi Manabu - - 2013
Calcium antagonists, nicorandil and long-acting nitrates are highly effective for preventing coronary spasm. The withdrawal of coronary vasodilators, especially calcium antagonists, is risky in cases of vasospastic angina. We herein present a case of cardiopulmonary arrest that occurred due to coronary spasm triggered by the discontinuation of coronary vasodilators during ...
Li Yongjun - - 2013
Loss of cardiomyocytes after myocardial infarction (MI) causes heart failure. In this study, we investigate whether the in situ cardiomyocytes can re-enter the cell cycle and to what extent cell division of cardiomyocytes occurs after acute MI (AMI) in rats. Sprague Dawley (SD) rats were used in this study; the ...
Pang Philip Yk - - 2013
To review the experience of surgical repair of post-infarction ventricular septal rupture (VSR) and analyze the associated outcomes and prognostic factors. Following approval from the Singhealth Centralised Institutional Review Board (reference: 2011/881/C), a retrospective review was performed on 38 consecutive patients who had undergone surgical repair of post-infarction VSR between ...
Barold S Serge - - 2012
Type I second-degree atrioventricular (AV) block describes visible, differing, and generally decremental AV conduction. The literature contains numerous differing definitions of second-degree AV block, especially Mobitz type II second-degree AV block. The widespread use of numerous disparate definitions of type II block appears primarily responsible for many of the diagnostic ...
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