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Kutarski Andrzej - - 2013
Abrasion of the outer insulation in crush syndrome and in the pocket region is a common cause of endocardial lead failure. Lead fracture at the level of the tricuspid valve has also been described. We examined 1,212 endocardial leads removed percutaneously from 700 patients. The average time the leads had ...
Chen Sammy Pl - - 2013
We report a case of acute poisoning in a 48-year-old man who presented with chest pain, abdominal pain, dizziness, sweatiness, blurred vision, and severe hypotension after ingestion of honey. His electrocardiogram showed sinus bradycardia and transient ST elevation. He made a good recovery after treatment with atropine and close monitoring. ...
Choi Kyu - - 2013
A 50-year-old man, who underwent a procedure for an implantable cardioverter defibrillator (ICD), visited the outpatient department of our clinic after suffering multiple ICD shocks. The ICD interrogation revealed recurrent shock due to a high frequency of noise that is sensed by the device as ventricular fibrillation. Chest radiography revealed ...
Ciftçi Ozgür - - 2013
Carbon monoxide (CO) poisoning is associated with direct cardiovascular toxicity. In mild CO poisoning in which cardiovascular life support is not required, the effects of CO on left and right ventricular functions are unknown in patients without cardiac failure. Echocardiography was used to determine whether or not mild CO poisoning ...
Joshi P - - 2013
Organophosphorus compounds are used as pesticides and represent a common cause of poisoning in developing countries including India due to their widespread availability and use. Toxicity due to these agents can affect many organs including heart. Here, we report a case of acute organophosphorus poisoning (parathion), followed by acute myocardial ...
Hirakawa Akihiko - - 2013
Hydrogen sulfide is a toxic, colorless gas produced by decaying organic matter. Its toxic effects are due to blocking of cellular respiratory enzymes, leading to anoxia. We report a 28-year-old man who attempted suicide using hydrogen sulfide gas. When the emergency service arrived, his friend was dead and the patient ...
Ryoo Sm - - 2013
Introduction: Carbon monoxide (CO) is one of the leading causes of poisoning; it inhibits oxygen delivery, subsequently causing ischemic changes and ultimately death by multiorgan failure. Furthermore, thromboembolic episodes due to CO poisoning have been reported. However, intracardiac thrombus formation following exposure to CO has been very rarely described. Here, ...
Kutyifa Valentina - - 2013
The aim of the study was to evaluate the effi cacy and safety of small surface steroid-eluting atrial and ventricular pacing leads in comparison to non-steroid leads using remote monitoring system (Biotronik Home Monitoring®). In this randomized multicenter prospective trial, SIELLO T steroid-eluting ventricular leads (n = 42) were compared ...
Cheng Zhongwei - - 2012
BACKGROUND: To distinguish left ventricular outflow tract (LVOT) from right ventricular outflow tract (RVOT) origin in idiopathic premature ventricular contractions or ventricular tachycardia (PVCs/VT) patients with transitional lead at V3 is still a challenge. We sought to develop a new electrocardiography (ECG) algorithm for distinguishing LVOT from RVOT origin in ...
Karacağlar Emir E Department of Cardiology, Faculty of Medicine Hospital, Baskent University, Ankara, - - 2012
Left ventricular diverticulum is a rare congenital malformation consisting of a localized protrusion of the endocardium and myocardium from the free wall of the left ventricle (LV). The prevalence of the disease is 0.26% in nonselected patients who underwent cardiac catheterization. It is believed that the etiology is an intrinsic ...
Burcham Grant N - - 2012
Twenty-six 5-month-old Holstein calves were accidentally exposed to discarded branches of yew bushes (Taxus sp.). Several calves were found dead approximately 24 hr after exposure; however, a few calves died several days after exposure. One calf died 18 days after the initial exposure to Taxus sp. and was examined on ...
Salinas Pablo - - 2012
The no-reflow phenomenon (NRP) is defined as the lack of adequate myocardial tissue perfusion despite a patent epicardial coronary artery. The incidence of NRP varies between 2-5% of elective percutaneous coronary interventions (PCI) and 30% in primary PCI. Clinically, it is an independent predictor of myocardial infarction, in-hospital mortality, and ...
Vukcević Natasa Perković - - 2012
Caffeine is indicated in the treatment of migraine headaches, as well as neonatal apnea and bradycardia syndrome. In mild poisoning, the most prevalent symptoms are nausea, vomiting, diarrhea, tremor, anxiety and headache. In more severe cases, symptoms consist of heart rythym abnormalities, myocardial infarction and seizures. Due to its common ...
Greutmann Matthias - - 2012
AimsSupravalvar aortic stenosis is a rare form of left ventricular outflow tract obstruction that is often progressive in childhood. Little data are available on outcomes in the adult population. Our aim was to define cardiac outcomes in adults with supravalvar aortic stenosis.Methods and resultsThis is a multicentre retrospective study of ...
Osken A - - 2012
Mad honey poisoning which is induced by Grayanotoxin (Andromedotoxin), is also known to have adverse effects in the cardiovascular system leading to different clinical entities. This toxin is produced by a member of the Rhododendron genus of plants of two R. Luteum and R. Panticum. In this article, we presented ...
Thakar Saurabh - - 2012
Commotio cordis is a rare type of blunt cardiac injury in which low impact chest trauma causes sudden cardiac arrest, usually occurs from being struck by a projectile during sports. The most common arrhythmia during commotio cordis is ventricular fibrillation, although complete heart block and an idioventricular rhythm have also ...
Kolwicz Stephen C SC - - 2012
Decreased fatty acid oxidation (FAO) with increased reliance on glucose are hallmarks of metabolic remodeling that occurs in pathological cardiac hypertrophy and is associated with decreased myocardial energetics and impaired cardiac function. To date, it has not been tested whether prevention of the metabolic switch that occurs during the development ...
van der Veen Berlinda J - - 2012
Assessment of cardiac innervation using single-photon emission computer tomography (SPECT) is less established than planar imaging, but may be more suitable for quantification. Therefore, a volumetric quantification of I-123 MIBG SPECT acquisitions was performed. Reproducibility, the effects of extra cardiac I-123 MIBG uptake and the relation with conventional planar indices ...
Collier P - - 2012
The emergence of cardiac fibrosis (the prototypal myocardial interstitial disease) as an important adverse predictor of risk in heart disease is not surprising given that it is largely responsible for cardiac stiffness, provides a substrate for rhythm disturbances and promotes tissue hypoxia and development of heart failure. Yet, this diagnosis ...
Chin Alvin J - - 2012
To illustrate the impact developmental biology and genetics have already had on the clinical management of the million infants born worldwide each year with CHD, we have chosen three stories which have had particular relevance for pediatric cardiologists, cardiothoracic surgeons, cardiac anesthesiologists, and cardiac nurses. First, we show how Margaret ...
Kurosaka Satoshi - - 2012
Protein arginylation mediated by arginyltransferase (ATE1) is essential for heart formation during embryogenesis, however its cell-autonomous role in cardiomyocytes and the differentiated heart muscle has never been investigated. To address this question, we generated cardiac muscle-specific Ate1 knockout mice, in which Ate1 deletion was driven by α-myosin heavy chain promoter ...
Badawi Ramy A - - 2012
Percutaneous left ventricular assist device (pLVAD) utilization is increasing as the potential applications expand. We report a case of high-risk balloon aortic valvuloplasty and percutaneous coronary intervention using the Impella 2.5 pLVAD in a patient with severely depressed left ventricular function as a bridge to heart transplantation.
Heredero Angeles - - 2012
Background: Synchronization between the left ventricle and a left ventricular assist device (LVAD) may be important for ventricular unloading and coronary perfusion. We assessed the synchrony between cardiac and LVAD cycles by increasing delays in steps of 100 msec throughout the cycle, under conditions of total and partial left ventricular ...
Rubart Michael - - 2012
This article gives an overview of the 2011 Riley Heart Center Symposium that was held in Indianapolis, IN, USA, 11-13 September, 2011.
Senbanerjee Sucharita - - 2012
Abstract Prolyl Hydroxylases belong to the family of iron- and 2-oxoglutamate-dependent dioxygenase enzyme. Several, distinct prolyl hydroxylases have been identifed. The Hypoxia-Inducible Factor (HIF) prolyl hydroxylase termed Prolyl Hydroxylase domain enzymes (PHDs) play an important role in oxygen regulation in the physiological network. There are three isoforms that have been ...
Gomez Elodie - - 2012
Protein tyrosine phosphatase 1B (PTP1B) regulates tyrosine kinase receptor-mediated responses, and especially negatively influences insulin sensitivity, thus PTP1B inhibitors (PTP1Bi) are currently evaluated in the context of diabetes. We recently revealed another important target for PTP1Bi, consisting in endothelial protection. The present study was designed to test whether reduction of ...
Mahtab Edris A F - - 2012
OBJECTIVES: Borderline left ventricle is the left ventricular morphology at the favorable end of the hypoplastic left heart syndrome. In contrast to the severe end, it is suitable for biventricular repair. Wondering whether it is possible to identify cases suitable for biventricular repair from a developmental viewpoint, we investigated the ...
Luther Daniel J DJ Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, - - 2012
We previously reported that type VI collagen deposition increases in the infarcted myocardium in vivo. To date, a specific role for this nonfibrillar collagen has not been explored in the setting of myocardial infarction (MI). To determine whether deletion of type VI collagen in an in vivo model of post-MI ...
Oliveira Sílvia Marta - - 2012
Left ventricular noncompaction is an unusual but increasingly recognized cardiomyopathy, the etiology of which is still not definitely established. Clinical presentation includes a wide spectrum of scenarios, including heart failure, thromboembolism and malignant arrhythmias, with half of deaths occurring suddenly. Early detection of LVNC is therefore essential to prevent sudden ...
Morgan Gareth John - - 2012
The use of combined fluoroscopic and echocardiographic imaging in congenital intervention is a well-established and developing concept. We report the case of a 1.2 kg, hemodynamically unstable neonate with tetralogy of Fallot, in whom we implanted a right ventricular outflow tract stent under primarily echocardiographic guidance. This represents the smallest reported ...
Kristiansen Hans Morten HM Department of Heart Disease, Haukeland University Hospital, Jonas Lies vei 65, 5021 Bergen, Norway. - - 2012
To evaluate the clinical implication of right ventricular (RV) to left ventricular (LV) interlead sensed electrical delay (RV-LVs) and the relation to ventricular lead position in cardiac resynchronization therapy (CRT). Eighty-five consecutive CRT patients (mean age 66 ± 11 years) received LV lead prospectively targeted to the latest mechanical activated ...
Altunkaya Sabri - - 2012
In this article, the spectral features of first heart sounds (S1) and second heart sounds (S2), which comprise the mechanical heart valve sounds obtained after aortic valve replacement (AVR) and mitral valve replacement (MVR), are compared to find out the effect of mechanical heart valve replacement and recording area on ...
Jin En Ze - - 2012
Announcement of RetractionThe editorial office of International Heart Journal has recently determined that the clinical study written by En Ze Jin, Long Hao Yu, and Xue Qi Li, published in the January 2012 issue of International Heart Journal (Int Heart J 2012; 53: 1-4), was subsequently found to have not ...
Patel H - - 2012
There is no 'gold standard' non-invasive test to diagnose myocarditis. It is a clinico-histopathological diagnosis.1 Clinical manifestations include: heart failure, chest pain (from either pericarditis or angina from coronary artery spasm/inf lammation), sudden cardiac death and arrhythmias (sinus tachycardia, ectopics, ventricular tachycardia, heart blocks). Examination may reveal raised JVP, pulmonary ...
Nauta Foeke Jacob Harmen - - 2012
Traumatic hemopericardium remains a rare entity; it does however commonly cause cardiac tamponade which remains a major cause of death in traumatic blunt cardiac injury. We present a case of blunt chest trauma complicated by cardiac tamponade causing cardiac chamber equalization revealed by reflux of contrast. A 29-year-old unidentified male ...
Alexi-Meskishvili Vladimir - - 2011
The beginnings of cardiac surgery go back to the 19th century. This article describes the history of the first attempts to operate on the heart. In 1882, Dr Block from Danzig, and in 1895, Simplicio Del Vecchio, published reports of animal experiments showing that the suturing of heart wounds is ...
- - 2011
The following articles are being highlighted as part of Circulation's Topic Review series. This series will summarize the most important manuscripts, as selected by the editors, published in Circulation and the Circulation subspecialty journals. The studies included in this article represent the most read manuscripts published on the topic of ...
Wheeler Richard - - 2011
Atrial fibrillation is the most common arrhythmia in clinical practice and is associated with significant mortality and morbidity due to stroke. Echocardiography plays a critical role in defining the clinical context of the arrhythmia and guiding management. Transoesophageal echocardiography is used to exclude intracardiac thrombus to facilitate early cardioversion. Emerging ...
Steinhauser Matthew L - - 2011
The death of cardiac myocytes diminishes the heart's pump function and is a major cause of heart failure, one of the dominant causes of death worldwide. Other than transplantation, there are no therapies that directly address the loss of cardiac myocytes, which explains the current excitement in cardiac regeneration. The ...
Miedema Michael D - - 2011
Background-Regional ST-segment-elevation myocardial infarction systems are being developed to improve timely access to primary percutaneous coronary intervention (PCI). System delays may diminish the mortality benefit achieved with primary PCI in ST-segment-elevation myocardial infarction patients, but the specific reasons for and clinical impact of delays in patients transferred for PCI are ...
Chia Pow-Li - - 2011
We present a case of ventricular tachycardia with clinical features suggestive of arrhythmogenic right ventricular cardiomyopathy. However, endomyocardial biopsy revealed non-caseating granulomas diagnostic of cardiac sarcoidosis.
Satsu Takuma - - 2011
Acquired coarctation due to coral reefs is a rare and unique entity characterized by extensively calcified thrombus of the entire aorta. There are few reports of coral reef aorta resulting in severely congestive heart failure in the literature. We describe a 60-year-old female with acute heart failure. Computed tomography (CT)-scan ...
Yamazaki Masatoshi M Department of Cardiovascular Research, Research Institute of Environmental Medicine, Nagoya University, Chikusa-ku, Nagoya, - - 2012
Moderate global cooling of myocardial tissue was shown to destabilize 2-dimensional (2-D) reentry and facilitate its termination. This study sought to test the hypothesis that regional cooling destabilizes rotors and facilitates termination of spontaneous and DC shock-induced subepicardial reentry in isolated, endocardially ablated rabbit hearts. Fluorescent action potential signals were ...
Parikh Milind G - - 2011
We report the case of a patient with symptomatic heart failure referred after an unsuccessful attempt at cardiac resynchronization therapy. An occlusive Thebesian valve prevented entry into the coronary sinus ostium. Careful analysis of the patient's cardiovascular physiology and anatomy revealed the "fortuitous" presence of a persistent left superior vena ...
Kramer Frank - - 2011
This review summarizes recent findings on novel biochemical plasma biomarkers in terminal heart failure patients, which might predict an advanced mortality risk or even recovery. Moreover, we discussed the regulation of these heart failure-related biomarkers under mechanical circulatory support.
Kang Min-Ho - - 2011
A 28-year-old male with hemophagocytic lymphohistiocytosis presented with left ventricular dysfunction and cardiac arrest. Percutaneous cardiopulmonary support (PCPS) was initiated, but left heart distension developed with associated aggravation of pulmonary edema. Percutaneous transseptal left atrial sheath (28-Fr) drainage was incorporated into the PCPS venous circuit under fluoroscopic guidance to enable ...
Abouezzeddine Omar F OF Division of Cardiovascular Diseases and Internal Medicine Mayo Clinic, Rochester, MN, - - 2011
Summarizing current guidelines and advanced heart failure (AHF) clinical trials/registries, this review focuses on the current definition of AHF and emphasizes the secular trends in this definition over the last two decades. Further, clinical, imaging, hemodynamic, functional capacity and biomarker parameters that may aid clinicians to better recognize patients with ...
Taniguchi Hiroshi - - 2011
Ventricular arrhythmias are common in the setting of nonischemic dilated cardiomyopathy (NIDCM). However, the characterization of the substrate and mechanism of epicardial ventricular tachycardia (VT) associated with NIDCM is limited, and to the best of our knowledge VT due to myocardial reentry within the right ventricular (RV) epicardium associated with ...
Zhao Mingming - - 2011
In isolated myocytes, hypertrophy induced by norepinephrine is mediated via α(1)-adrenergic receptors (ARs) and not β-ARs. However, mice with deletions of both major cardiac α(1)-ARs still develop hypertrophy in response to pressure overload. Our purpose was to better define the role of β-AR subtypes in regulating cardiac hypertrophy in vivo, ...
Mandl Adel - - 2011
Background- Puma (p53-upregulated modulator of apoptosis) is a proapoptotic Bcl-2 family protein that serves as a general sensor in response to pathological apoptotic stimuli. In previous work, we demonstrated that puma ablation protects the heart from reperfusion injury in a Langendorff setting. Consistent with this, downregulation of Puma in isolated ...
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