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Szavits-Nossan Janko - - 2012
Perioperative myocardial ischemia is rare but serious complication of CABG. Graft dysfunction, coronary artery thrombosis and incomplete revascularization are main causes. Pharmacological treatment, intra aortic counter pulsation and immediate additional grafting have limited results. Treatment strategy based on coronary angiography findings could lessen the burden of high mortality rate in ...
Anastacio Melissa M MM Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri 63110, - - 2012
Left ventricular lead misplacement is an infrequent complication of pacemaker or defibrillator lead insertion. It most commonly occurs through defects in the interatrial septum. Although patients may remain asymptomatic, the most common clinical complication is a thromboembolic event. Percutaneous technology has been described to safely remove misplaced leads. We present ...
Taguchi Eiji - - 2012
We describe a 41-year-old woman who presented with acute ST-segment elevation myocardial infarction. Emergent percutaneous intervention was performed with aspiration thrombectomy followed by coronary artery stenting. White material was extracted from the aspiration catheter. Reperfusion therapy after stenting was successful. After undergoing a cardiac rehabilitation program, she was discharged from ...
Sakamoto Tamotsu - - 2012
AIMS: Catheter ablation is a potentially curative treatment for atrial fibrillation (AF). However, complications such as ischaemic stroke are more frequent and more severe compared with ablation procedures for other arrhythmias. Irrigated-tip catheters have been reported to reduce the risk of stroke. The present study aimed to evaluate predictors of ...
Goldenberg Gustavo - - 2013
Inadvertent placement of a pacemaker lead electrode in the left ventricle is an unusual complication and the electrocardiogram is a useful tool for the diagnoses. We present such a patient and review the electrocardiographic characteristics that should raise such a possibility.
Maccabelli Giuseppe - - 2012
Epicardial ablation has lately become a necessary tool to approach some ventricular tachycardias in different types of cardiomyopathy. Its diffusion is now limited to a few high volume centers not because of the difficulty of the pericardial puncture but since it requires high competence not only in the VT ablation ...
Paiva Mariana - - 2012
One of the greatest challenges in medicine consists of arriving at a correct diagnosis despite different presentations of the disease. We present a case in which, notwithstanding the initial diagnosis, the search for the etiology was essential for clinical guidance. Left ventricular non-compaction (LVNC) was first described by Chin et ...
Merriweather Nakia - - 2012
Percutaneous coronary intervention for acute coronary syndrome or non-ST-elevation myocardial infarction requires the use of potent oral and intravenous anti-platelet and antithrombin medications. Although these potent antithrombotic agents and regimens may increase the effectiveness of percutaneous coronary intervention, they are also generally associated with an increased risk of vascular access ...
Montone Rocco A - - 2012
Stent thrombosis (ST) is the most dramatic complication of coronary stenting. Mechanisms of ST are multiple, including procedural and patient-related factors. A considerable burden of metal inside the coronary has been associated with ST as suggested by the higher rate of ST in case of multiple overlapping or complex two ...
Mulholland J - - 2012
INTRODUCTION: More than four decades have passed since the first clinical use of an (IABP) to improve the clinical scenario for patients with chronic left ventricular failure. The original IAB catheter size was 15 French (Fr), requiring an open surgical insertion and removal. This therapy has now become the most ...
Rebahi Houssam - - 2012
Cerebral complications after snake bites-particularly ischemic complications-are rare. Very few cases of cerebral infarction resulting from a viper bite have been reported, and we call attention to this uncommon etiology. We discuss 3 authenticated reports of acute ischemic cerebrovascular accidents after 3 typical severe envenomations by Cerastes cerastes vipers. The ...
Kharge Jayashree - - 2012
Intracoronary dehiscence of the radiopaque ring of a guiding catheter is a rare complication, which could lead to myocardial infarction, emergency surgery, or even death. We describe the percutaneous retrieval of the catheter material from the right coronary artery, thus avoiding surgery and related complications.
Yuan Nance - - 2012
Abstract  Introduction: Left ventricular assist device (LVAD) support is associated with many complications, but relatively few studies have examined the full spectrum of complications beyond infectious and bleeding events. Methods: We conducted a retrospective review of patients receiving either a pulsatile-flow Heartmate XVE (HM1; Thoratec Corp., Pleasanton, CA, USA) or ...
Pride Yuri B - - 2012
The goal of this analysis was to determine the association between intraprocedural complications and clinical outcomes among patients with high-risk non-ST-segment elevation acute coronary syndrome (NSTEACS) undergoing percutaneous coronary intervention (PCI). Among patients undergoing PCI for NSTEACS, the relationship between intraprocedural complications and clinical outcomes, independent of epicardial and myocardial ...
Singh Tarunjit - - 2012
Dual antiplatelet therapy (DAPT) with a thienopyridine and aspirin has been the standard of care post coronary stent implantation. DAPT has been shown to reduce the risk of stent thrombosis (ST) and complications of myocardial infarction and death after placement of a drug-eluting stent (DES) and bare-metal stent (BMS).This article ...
O'Connor Christopher M - - 2012
Cardiogenic shock complicating acute myocardial infarction continues to be a devastating event associated with extremely high mortality. The results of the Intraaortic Balloon Pump in Cardiogenic Shock II (IABP-SHOCK II) trial,(1) now reported in the Journal, show that in patients with acute myocardial infarction and hemodynamic compromise who undergo revascularization, ...
Wagner M - - 2012
PURPOSE: Angiographic vasospasm (CVS) has been accused to be the main cause of delayed cerebral ischemia (DCI) after aneurysmal subarachnoid hemorrhage (SAH). However, treatment success including endovascular treatment remains to be improved. We performed a pattern analysis of ischemic lesions in SAH patients in the absence of angiographic cerebral vasospasm ...
Rossi Pascal - - 2012
ABSTRACT: We emphasize the role of Tc-99m-3,3-diphosphono-1,2-propanodicarboxylicacid (DPD) scintigraphy as a noninvasive tool to distinguish transthyretin (TTR)-related cardiac amyloidosis from other forms of cardiac amyloidosis. We report the case of a 76-year-old male patient suffering from congestive heart failure in whom imaging investigation by DPD scintigraphy showed a strong cardiac ...
Kim Woohyeun - - 2012
Although stent entrapment is a rare event during percutaneous coronary intervention, stent entrapment can cause stent breakage or loss, which results in fatal complications such as stent embolism or acute myocardial infarction. We report one case of stent entrapment that was successfully treated by a snare via a contralateral transfemoral ...
Ashfaq Awais - - 2012
To outline the outcome and management of patients with acute myocardial infarction presenting with mechanical complications such as post-infarction ventricular septal defect, mitral regurgitation and left ventricular rupture. The retrospective study, conducted in September and October, 2010 at the Aga Khan University Hospital, Karachi, included cases from January 1990 to ...
Figueras Jaume - - 2012
The incidence of cardiac events in patients with variant angina pectoris without significant coronary stenosis and ST-segment elevation was analyzed during a 12-year follow-up period in 273 consecutive patients (82% men) admitted from 1986 through 2010. Among the 252 patients who underwent electrocardiography during pain, 205 had ST-segment elevation (82%) ...
Bhardwaj Ravindra - - 2012
BACKGROUND:: Differentiation of ST-segment elevation on electrocardiogram (ECG) from acute pericarditis (AP), normal variant early repolarization (ER) and early repolarization of left ventricular hypertrophy (ERLVH) can be problematic. Hence, the authors evaluated the accuracy of the ST/T ratio in ECG to more optimally differentiate between AP, ST-segment elevation, ER and ...
Mohar Dilbahar S - - 2012
Older individuals (especially women) enduring an inciting emotional or physical event are prone to developing left ventricular ballooning syndrome. Ballooning of apical distribution is the most common type. However, a midventricular variant is increasingly reported. As this variant becomes further delineated, we describe a case series in which various morphological ...
Dungu Jason - - 2012
About 4% of African Americans possess the isoleucine 122 (V122I) variant of transthyretin, associated with cardiac amyloidosis beyond ages of 55 to 60 years. Transthyretin amyloidosis associated with variant V122I (ATTR V122I) is likely to be an important cause of heart failure in Afro-Caribbean populations, but the high prevalence of ...
Summaria Francesco - - 2012
Due to the ageing population and raised life expectancy, elderly patients are increasingly referred for percutaneous coronary intervention (PCI) during acute coronary syndromes (ACS). Bleeding complications are not infrequent during ACS, occurring in 2-5% of patients with prognostic and economic consequences. In particular, periprocedural bleeding and vascular complications are associated ...
Genz Conrad - - 2012
Thromboembolic events are known complications of left atrial ablation therapy. We describe a complication which may also lead to systemic thromboembolism that has not been reported so far: the formation of a moving structure attached to the fossa ovalis after an attempted transseptal puncture in a 66-year old patient with ...
Mishra Avshesh - - 2012
BACKGROUND: Left ventricular dysfunction (LVD) is a condition resulting from clustered structural or functional cardiac disorder that reduces the ability of the ventricle to fill with or eject blood. The impaired ventricular function can be attributed to unfavorable ventricular remodeling. Among the pathways that contribute to remodeling process, matrix metalloproteinases ...
Said Sameh M - - 2012
Abstract  Background: Apical and midventricular hypertrophic cardiomyopathy (HCM) are rare variants of HCM, in which the hypertrophy is located mainly at the midventricular to apical levels. Heart transplantation was the only possible surgical solution for many of these patients; however, transapical myectomy represents another good alternative. We present our surgical ...
Riad Alexander - - 2012
The clinical course of patients with dilated cardiomyopathy (DCM) varies from cardiac recovery to end stage heart failure. The etiology of this variability is largely unknown. In this study, we investigated the impact of coding polymorphisms of the innate immune protein Toll-like receptor 4 (TLR4) on left ventricular performance in ...
Barbato Emanuele - - 2012
The aim of this study was to investigate the impact of rs5065 atrial natriuretic peptide (ANP) gene variant on coronary artery disease (CAD) and its outcomes and to gain potential mechanistic insights on the association with CAD. Either modified ANP plasma levels or peptide structural alterations have been involved in ...
Smith Marcus - - 2012
Apical hypertrophic cardiomyopathy (AHCM) is a rare variant of hypertrophic cardiomyopathy usually seen in Japanese and other Asian populations. It is characterized by left ventricular hypertrophy limited to the apex. The authors describe a case of AHCM in an African-American patient who presented with symptoms of acute coronary syndrome. Coronary ...
Oh Chang-Myung - - 2012
BACKGROUND: Early repolarization (ER), which is characterized by an elevation of J-point, is sometimes associated with fatal arrhythmia and sudden cardiac death in patients without structural heart disease. This study investigated the prevalence and prognostic significance of ER in patients with vasospastic angina (VA). METHODS: We assessed the ER pattern ...
Malagò Roberto - - 2012
PURPOSE: Coronary venous anatomy is of primary importance when implanting a cardiac resynchronization therapy device, besides, the coronary sinus can be differently enlarged depending on chronic heart failure. The aim of this study is to evaluate the usefulness of Coronary CTA in describing the coronary venous tree and in particular ...
Looi Khang Li - - 2012
Coronary artery spasm (CAS) is characterised by chest pain at rest and transient ST segment elevation on the ECG. The natural history of variant angina is not fully understood. Patients with CAS are younger, mostly female subjects and usually do not have traditional cardiovascular risk factors other than cigarette smoking. ...
Cho Yang Hyun - - 2012
Abstract  Apical hypertrophy is a rare variant of hypertropic cardiomyopathy. These patients may present with end-stage congestive heart failure subsequent to long standing diastolic dysfunction. We report the technique for left ventricular assist device insertion in a patient with previous apical myectomy for hypertrophic cardiomyopathy.
Kusniec Jairo - - 2012
Prinzmetal (variant) angina may be associated with cardiac arrhythmias that can deteriorate to fatal ventricular arrhythmias. We present 2 patients with syncope where vasospastic angina and severe ventricular arrhythmias were found to be responsible for the syncopal episodes.
Jaitner Juliane - - 2012
BACKGROUND: The prodrug clopidogrel requires intestinal absorption by the efflux pump P-glycoprotein MDR1 (multidrug resistant-1), encoded by the ABCB1 gene. Prior studies suggested that a common and functional genetic variant (C3435T, rs1045642) within ABCB1 influences clopidogrel treatment efficacy; however, existing data are highly inconsistent, because other studies failed to replicate ...
Kodikara Sarathchandra - - 2012
Left-sided ventriclular arrhythmogenic cardiomyopathy is rare and represents a rather different expression of the arrhythmogenic right ventricular (RV) cardiomyopathy (ARVC). Among sudden cardiac deaths, ARVC plays a significant role. ARVC is considered as a cardiomyopathy of unknown aetiology that primarily involves the right ventricle (RV) and is characterized by progressive ...
Kim Sung Taek - - 2012
Stress cardiomyopathy is a unique reversible cardiac syndrome that is frequently precipitated by a physical or emotionally stressful event and has a clinical presentation that is indistinguishable from a myocardial infarction. We describe the case of a patient with apical sparing variant of stress cardiomyopathy in whom dual energy cardiac ...
Džumhur Andrea - - 2012
The aim of the study was to assess the frequency of SNP896A/G in the Toll-like receptor (TLR) 4 gene and SNP1350T/C in the TLR2 gene in patients with acute myocardial infarction (AMI) and to analyze the association of these SNPs with risk factors for atherosclerosis and clinical aspects of AMI ...
Barold S Serge - - 2012
Escape-capture bigeminy is a well-known arrhythmia characterized by group beating of a junctional beat followed by a conducted sinus beat. We report a variant of this arrangement where a junctional beat gives rise to a retrograde P wave, which is then conducted back to the ventricles producing a hitherto undescribed ...
Afonso Luis - - 2012
This study was designed to examine the utility of two-dimensional strain (2DS) or speckle tracking imaging to typify functional adaptations of the left ventricle in variant forms of left ventricular hypertrophy (LVH). Cross-sectional study. Urban tertiary care academic medical centres. A total of 129 subjects, 56 with hypertrophic cardiomyopathy (HCM), ...
Kim Sun Moon - - 2012
Takotsubo cardiomyopathy is a stress-related cardiomyopathy that mimics acute myocardial infarction. However, it is frequently without obstructive coronary artery disease and is mainly seen in postmenopausal women after an emotional or physiological event. In rare cases, it favours the formation of intracardiac mural thrombus and subsequent cardioembolic events. We report ...
Tavakol Morteza - - 2012
Coronary angiography and heart catheterization are invaluable tests for the detection and quantification of coronary artery disease, identification of valvular and other structural abnormalities, and measurement of hemodynamic parameters. The risks and complications associated with these procedures relate to the patient's concomitant conditions and to the skill and judgment of ...
Saremi Farhood - - 2012
Recent developments in cardiac pacing and trans-coronary vein ablations have demonstrated the increasing value of imaging of the cardiac venous system (CVS), especially computed tomographic (CT) mapping of the coronary veins. In contrast to that for coronary arteries, the literature for coronary veins is scarce. Moreover, a complete, highly efficient, ...
Hussain Nasir - - 2012
Central venous catheters (CVC) are used commonly in clinical practice. Incidences of CVC-related right atrial thrombosis (CRAT) are variable, but, when right atrial thrombus is present, it carries a mortality risk of 18% in hemodialysis patients and greater than 40% risk in nonhemodialysis patients. Different pathogenic mechanisms have been postulated ...
Papuć Ewa - - 2012
Unilateral thalamic lesions cause transient or permanent behavioral, sensory and oculomotor disturbances; bilateral lesions of thalamus result in more severe and longer lasting symptoms. We present an atypical case of bilateral paramedian thalamic infarct with concomitant hypothalamic dysfunction. The only risk factor of ischaemic stroke found in the patient was ...
Zhang Xue - - 2012
Nitric oxide synthase 3 (NOS3) catalyzes production of NO in the endothelium and may play a role in cardiovascular disease (CVD). We assessed the pharmacogenetic associations of three NOS3 polymorphisms and three antihypertensive drugs with CVD outcomes. Hypertensive subjects (n = 30,280) from a multi-center, double-blind clinical trial were randomized to chlorthalidone, ...
Franco Diego - - 2012
Pitx2 is a homeobox transcription factor involved in left-right signaling during embryogenesis. Disruption of left-right signaling in mice within its core nodal/lefty cascade, results in impaired expression of the last effector of the left-right cascade, Pitx2, leading in many cases to absence or bilateral expression of Pitx2 in lateral plate ...
Mikhaylov Evgeny E Department of Electrophysiology and Cardiac Pacing, Almazov Federal Heart, Blood and Endocrinology Centre, 197341 Saint Petersburg, - - 2012
A 52-year-old woman with previously unsuccessful posteroseptal pathway ablation using radiofrequency energy presented with intermittently occurring short PR followed by a wide QRS complex, and complaining of palpitations with characteristics different from previous history. During a second electrophysiological procedure no signs of preexcitation were found. Ventricular discharges with fusion with ...
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