Search Results
Results 1 - 50 of 1627
1 2 3 4 5 6 7 8 9 10 >
Doll Jacob A - - 2013
Acute myocardial infarction is a common complication of thrombotic thrombocytopenic purpura (TTP), but rarely the presenting manifestation. Anti-thrombotic therapy for myocardial infarction is rarely utilized in the setting of TTP because of elevated bleeding risk. We report a case of TTP presenting with ST-segment elevation myocardial infarction and treated with ...
Ramakrishnan Geethakumari Praveen - - 2013
Thrombotic thrombocytopenic purpura (TTP), a complex thrombotic microangiopathy, remains an evolving enigma. A 49-year-old African-American woman presented with acute left hemiplegia, an ischemic cerebrovascular accident involving the right middle cerebral artery. Sequential appearance of thrombocytopenia and evidence of microangiopathic haemolysis led to the diagnosis of acquired idiopathic autoimmune TTP. This ...
Balasubramaniyam Nivas - - 2013
Despite the widespread availability of plasmapheresis as a therapy, thrombotic thrombocytopenic purpura is associated with significant morbidity and mortality. There is a paucity of data on the predictors of poor clinical outcome in this population. Acute myocardial infarction is a recognized complication of thrombotic thrombocytopenic purpura. Little is known about ...
Wang Jun - - 2013
Objective: To describe a case with acute myocardial infarction caused by gastric carcinoma-associated thrombotic thrombocytopenic purpura. Clinical Presentation and Intervention: A 79-year-old man was admitted with abdominal pain and pyrexia. He later developed cardiac complications and microangiopathy that indicated worsening progression. Manifold evidence confirmed the diagnosis of myocardial infarction caused ...
Rajan Rajesh R Department of Cardiology, Kerala Institute of Medical Sciences - - 2013
Henoch-Schönlein purpura is an IgA-mediated, autoimmune, hypersensitivity vasculitis of childhood that results in a triad of symptoms, including a purpuric rash occurring on the lower extremities, abdominal pain or renal involvement, and arthritis. However, any of the triad may be absent, which often leads to a confusion in diagnosing the ...
Seemann Aurélien - - 2012
We present a case of vascular purpura revealing an intra-cardiac left-sided thrombus complicating an end-stage dilated cardiomyopathy. Vascular purpura main etiologies encompass the wide specturm of vasculitides and microvascular-occlusion syndromes. Among them, cardiac embolism represents an unusal but potentially severe etology.
Svensson Erik - - 2012
Cardiac herniation is a rare event associated with a high mortality rate. It is typically seen with blunt trauma to the chest or after a pneumectomy. Signs and symptoms include arrhythmia, myocardial ischemia, and hypotension. Diagnostic modalities, such as computed tomography scan, chest roentgenogram, magnetic resonance imaging, and transthoracic and ...
Lumey L H - - 2012
OBJECTIVE AND SETTING: Associations between prenatal famine and coronary artery disease (CAD) have been examined before with inconsistent results. For further evaluation, we examined multiple cardiac risk markers in adult men and women with prenatal exposure to the Dutch famine of 1944-5. DESIGN: Birth cohort study of 407 men and ...
Ribeiro Sergio Marrone - - 2012
Chest radiography and electrocardiogram have been criticized due to their low sensitivity for Left Ventricular Hypertrophy diagnosis compared to echocardiogram. This one, however, is not available in primary health care centers to all hypertensive population. To evaluate whether the association chest radiography-electrocardiogram provides the accuracy to justify its use in ...
Cakir Hakan - - 2012
Rarely, the rupture of the free wall of the left ventricle is contained by an adherent pericardium, creating a pseudoaneurysm. This clinical finding calls for emergency surgery. However, true aneurysms, if no ruptures are detectable and myocardium wall integrity is confirmed, can often be managed medically. Therefore, the accurate diagnosis ...
Hoedemaekers Yvonne M - - 2012
The first two prenatal ultrasound diagnoses of Cardiac ß-Myosin Heavy Chain gene (MYH7) related left ventricular noncompaction cardiomyopathy (LVNC) are presented. MYH7 defects are a major cause of genetic cardiomyopathies, including LVNC in adults and children.(1) LVNC is characterized by a trabecular meshwork and deep intertrabecular myocardial recesses communicating with ...
Yeoh Joey - - 2012
Coronary artery septic embolisation resulting in cardioembolic myocardial infarction (MI) is a rare complication of bacterial infective endocarditis (IE), representing <1% of complications related to IE [1]. Diagnosis requires a combination of high clinical suspicion, coronary angiography, echocardiography and cultures of peripheral blood and/or embolic material. The associated mortality rate ...
Baessler Andrea - - 2012
This study aimed to examine the incremental value of growth-differentiation factor-15 (GDF-15) to N-terminal pro brain natriuretic hormone (NT-proBNP) levels for the diagnosis of left ventricular diastolic dysfunction (LVDD) and possible heart failure (HF) in morbidly obese patients. Method and results We analysed data from 207 obese subjects [body mass ...
Vandenplas Guy - - 2012
Surgical placement of a left ventricular epicardial pacing lead is a valuable alternative to the standard approach of endovascular placement of a pacing lead in the coronary sinus for cardiac resynchronization therapy. Despite higher perioperative morbidity, surgically placed leads perform well with lower revision and dislocation rates. Moreover, surgery is ...
Pockett Charissa R - - 2012
We present a case of an infant prenatally diagnosed with bilateral outflow-tract obstruction and severe aortic regurgitation who underwent cardiac transplantation at 45 days of life. Aortico-left ventricular tunnel was subsequently diagnosed on pathologic examination of the explant heart. Aortico-left ventricular tunnel is a rare congenital cardiac malformation and can ...
Miller Thomas A - - 2012
OBJECTIVE: Quantification of fetal right ventricular (RV) function by 2D-echocardiography is challenging. Velocity vector imaging (VVI) is an angle independent speckle tracking technique that assesses regional myocardial mechanics. Alteration in the deformation of the fetal RV in hypoplastic left heart syndrome (HLHS) is unknown. This study aimed to evaluate the ...
Rodriguez-Padial Luis - - 2012
Although electrocardiography has been used to estimate left ventricular hypertrophy and to obtain useful prognostic information in different clinical settings, its correlation with left ventricular mass is poor and, therefore, its sensitivity and specificity for the diagnosis of left ventricylar hypertrophy are low. Experimental work has demonstrated that the increase ...
Gettes Leonard S - - 2012
In this study, we consider the proposition that the criteria for the electrocardiographic (ECG) diagnosis of left bundle-branch block (LBBB) be revised, a proposition born from analysis of results of cardiac resynchronization therapy trials. The various ECG definitions for LBBB (or lack thereof) used in these trials are reviewed as ...
Brooks Paul A - - 2012
BACKGROUND: The systemic right ventricle in palliated hypoplastic left heart syndrome (HLHS) has relatively reduced longitudinal compared with circumferential deformation, a pattern of contraction more akin to the normal left ventricle, which presumably improves right ventricular (RV) pumping efficiency. The aim of this study was to test the hypothesis that ...
Dinh Vi Am - - 2012
OBJECTIVES: Noninvasive technology may assist the emergency department (ED) physician in determining the hemodynamic status in critically ill patients. The objective of our study was to show that ED physicians can accurately measure cardiac index (CI) by performing a bedside focused cardiac ultrasound examination. METHODS: A convenience sample of adult ...
Khalafvand S S - - 2012
Pulsating blood flow patterns in the left ventricular (LV) were computed for three normal subjects and three patients after myocardial infarction (MI). Cardiac magnetic resonance (MR) images were obtained, segmented and transformed into 25 frames of LV for a computational fluid dynamics (CFD) study. Multi-block structure meshes were generated for ...
Hara Hidehiko - - 2012
This report presents the case of a 51-year-old female who was admitted to a local hospital because of a persistent headache. A diagnosis of multiple cerebral infarctions was thereafter made, but there was no evidence of either atherosclerosis or atrial fibrillation. The case was thought to be a cryptogenic stroke, ...
Bouhzam N - - 2012
Left ventricular noncompaction (LNVC), first described in 1984, is a rare congenital cardiomyopathy that is thought to be caused by arrest of normal embryogenesis of the endocardium and the myocardium, and characterized by multiple prominent trabeculations with deep intertrabecular recesses. LVNC can be associated with other congenital cardiac abnormalities such ...
Wang Kimberley C W - - 2012
studies indicate that poor growth before birth is associated with left ventricular hypertrophy and an increased risk of death from heart disease later in life. In fetal life, the insulin-like growth factor (IGF) system has been implicated in physiological growth of the heart, while in postnatal life IGFs can be ...
Flavian A - - 2012
The improvement in revascularization techniques and medicine treatment during infarction has substantially reduced mortality during the acute phase of this condition. Since the advent of kinetic sequences and the concomitant development of gadolinium chelates and delayed enhancement sequences, cardiac MRI has become the second-line reference examination for ischemic heart disease. ...
Elmistekawy Elsayed - - 2012
Abstract  A 59-year-old male, undergoing outpatient treatment of a sternal wound infection following elective aortic valve replacement surgery, presented with decompensated heart failure. The patient required emergency redo surgery after investigations revealed a left ventricular outflow tract to right atrial fistula due to endocarditis with right ventricular dysfunction. Echocardiography, in ...
Press Gregory M - - 2012
BACKGROUND: Focused assessment with sonography in trauma (FAST) is widely used and endorsed by guidelines, but little evidence exists regarding the utility of the cardiac portion in blunt trauma. The traditional FAST includes the routine performance of cardiac sonography, regardless of risk for hemopericardium. STUDY OBJECTIVES: Our goal was to ...
Cruz-Martínez R - - 2012
Objective: To establish normal reference intervals of the fetal left modified myocardial performance index (MPI) with the use of stringent criteria for delimitation of the time periods. Study Design: A cohort of consecutive singleton fetuses was created including at least 20 fetuses for each completed week of gestation between 11 ...
Eldho George C - - 2012
A 75-year-old woman presented with dyspnea on exertion, orthopnea, paroxysmal nocturnal dyspnea, and edema. Macroglossia, generalized petechiae, raccoon eyes sign, and peripheral neuropathy were present, and an echocardiogram showed cardiac dilatation and left ventricular systolic dysfunction. Rectal biopsy and immune fixation electrophoresis confirmed the diagnosis of AL amyloidosis.
Tare M - - 2012
Please cite this paper as: Tare M, Miller S, Wallace E, Sutherland A, Yawno T, Coleman H, Jenkin G, Parkington H. Glucocorticoid treatment does not alter early cardiac adaptations to growth restriction in preterm sheep fetuses. BJOG 2012;119:906-914. Objective  To study the consequences of glucocorticoid treatment in fetal growth restriction ...
Meriki N - - 2012
Objectives: To construct gestational age-adjusted reference ranges of the left fetal modified myocardial performance index (Mod-MPI) in the Australian population and assess the influence of valve click caliper position on constituent time intervals and the Mod-MPI. Methods: This is a prospective longitudinal study of 117 normal singleton fetuses undergoing 318 ...
Kerola Anne M - - 2012
Rheumatoid arthritis (RA) is a chronic inflammatory disease which is associated with an increased cardiovascular (CV) burden. Whether the risk is already present at the time of RA diagnosis remains a key area of debate. The aim of this review was to evaluate the existence of both subclinical CV changes, ...
Roalfe Andrea K AK Primary Care Clinical Sciences, University of Birmingham, - - 2012
Diagnosis of heart failure in primary care is often inaccurate, and access to and use of echocardiography is suboptimal. This study aimed to develop and provisionally validate a clinical prediction rule to optimize referral for echocardiography of people identified in primary care with suspected heart failure. A systematic review identified ...
Faria Ricardo - - 2012
A 46-year-old woman was admitted due to diplopia because of ophthalmoplegia, which improved with corticosteroid therapy. Eight days later, she was admitted with fulminant myocarditis in cardiogenic shock, with severe left ventricular dysfunction and frequent episodes of nonsustained ventricular tachycardia. As there was no clinical improvement, an endomyocardial biopsy was ...
Vinograd Cheryl A - - 2012
Left-ventricular noncompaction (LVNC) is characterized by prominent myocardial trabeculae with deep intratrabecular recesses. Associated with ventricular dysfunction, LVNC can present in isolation or in conjunction with structural heart defects (i.e., "nonisolated" LVNC). Although it was once considered to be difficult and unreliable, successful detection of this condition by way of ...
Mackenzie David C - - 2012
BACKGROUND: Splenic rupture or infarction can occur secondary to acute infectious mononucleosis. Patients with abdominal pain and known or suspected infectious mononucleosis mandate evaluation for these complications, which can have significant morbidity or mortality. CASE REPORT: An 18-year old man presented to the emergency department (ED) with a 2-day history ...
Sethi Sanjum S - - 2012
With the high volume of yearly cardiovascular revascularization procedures, periprocedural myocardial enzyme elevation remains an important topic. Although periprocedural myocardial enzyme elevation has been used in the universal definition of myocardial infarction, most hospitals do not routinely measure postprocedural cardiac enzymes. Multiple studies have illustrated the prognostic implications of such ...
Del Gaudio Costantino - - 2012
Fetal cardiac surgery (FCS) represents a challenging issue for the in utero treatment of congenital heart defects. However, FCS has still not gained the sufficient reliability for clinical practice due to an incompletely elucidated fetal stress response. For example, blood sampling can contribute to its onset, leading to fetoplacental unit ...
Paterick Timothy E - - 2012
Diagnosing left ventricular noncompaction (LVNC) cardiomyopathy is a challenge for the medical community because the condition shares morphologic features of hypertrophic and dilated cardiomyopathies. The uncertainty surrounding the diagnosis of LVNC is related to the lack of a "perfect diagnostic tool," such as a reproducible genetic marker. The diagnosis requires ...
Jaffe Allan S - - 2012
Cardiac troponin is the analyte of choice for the diagnosis of cardiac injury. It is highly specific for the heart and much more sensitive than prior biomarkers. Because of this increased sensitivity, clinicians have had to struggle with elevations in novel clinical situations. We have developed new understandings about coronary ...
Acharya Deepak - - 2012
Left ventricular pseudoaneurysm is a rare complication of myocardial infarction, cardiovascular surgery, trauma, or infection. Untreated left ventricular pseudoaneurysm can have significant morbidity and mortality. Surgical treatment has generally been the standard of care. However, with a sicker and older population, surgical risks can sometimes be significant. We report a ...
Hernandez-Andrade Edgar - - 2012
Structural evaluation of the fetal heart is well established. Functional evaluation using pulsed-wave Doppler may also be performed. E/A ratios express the relationship between the maximal velocities of the E and A waveforms of ventricular filling. In normal fetuses, E/A ratios are usually <1 but show a constant increment during ...
Lim P Boon - - 2012
Major advances in diagnosis and treatment of arrhythmias have created the subspeciality of cardiac electrophysiology. This article reviews supraventricular and ventricular arrhythmias and outlines the indications and process of electrophysiological testing, arrhythmia mechanisms and their treatment by catheter ablation.
Collinson Paul O - - 2012
Sensitive troponin assays have been developed to meet the diagnostic goals set by the universal definition of myocardial infarction (MI). The analytical advantages of sensitive troponin assays include improved analytical imprecision at concentrations below the 99th percentile and the ability to define a reference distribution fully. Clinically, the improved sensitivity ...
Wei Janet - - 2012
This study evaluated the safety of coronary reactivity testing (CRT) in symptomatic women with evidence of myocardial ischemia and no obstructive coronary artery disease (CAD). Microvascular coronary dysfunction (MCD) in women with no obstructive CAD portends an adverse prognosis of a 2.5% annual major adverse cardiovascular event (MACE) rate. The ...
Vogt Manfred - - 2012
Ultrasound-based tissue Doppler imaging has opened new perspectives for non-invasive quantification of global, as well as regional, myocardial function. We therefore studied fetal hearts using the "tracking method" in order to assess its feasibility and changes of fetal myocardial velocities throughout gestation. In 89 healthy fetuses color-coded tissue Doppler echocardiography ...
Germanakis Ioannis - - 2012
Objectives: To compare myocardial deformation patterns in fetuses with congenital heart disease (CHD) with our reference range using speckle tracking echocardiography. Methods: We prospectively stored and analyzed 4-chamber loops of 28 fetuses with CHD (median gestation 27 weeks, range 20.9-37.0). The peak longitudinal left (LVs) and right (RVs) ventricular free ...
Germanakis Ioannis - - 2012
Objective: To report the current status of speckle tracking techniques in evaluation of fetal myocardial deformation. Methods: A variety of non-Doppler ultrasound methods are available using offline analysis of standard four-chamber and short axis views of the heart. Results: Most reports have used techniques developed for the measurement of strain ...
Aguiar José - - 2012
Left ventricular aneurysm and pseudoaneurysm are two complications of myocardial infarction in which the role of imaging is paramount. The authors describe a case of a true aneurysm of the posterior wall, for which cardiac magnetic resonance was useful, although only intra-operative assessment confirmed the diagnosis.
Ghersin Eduard - - 2012
Coronary artery dissection (CD) is a rare cause of acute myocardial ischemia. It is often diagnosed by invasive coronary angiography, which is the principal diagnostic tool and gold standard in the diagnosis and triage of patients with CD. More recently, electrocardiogram-gated multidetector computerized tomography has emerged as a complementary imaging ...
1 2 3 4 5 6 7 8 9 10 >