نتایج جستجو برای: right ventricular imaging
تعداد نتایج: 827925 فیلتر نتایج به سال:
Background: Tetralogy of Fallot is the most common cyanotic congenital heart disease. The systolic and diastolic function in both ventricles is altered even after successful corrective surgery for this defect with a transannular patch. Pulmonary regurgitation, a common complication after this treatment, is usually well tolerated in childhood. The aim of this study was to assess the combined dia...
Magnetic Resonance Imaging (MRI) is currently considered as the noninvasive modality of choice for evaluation of patients with suspected Arrhythmogenic Right Ventricular Dysplasia (i.e., right ventricular dysplasia). As arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/D) it is included in the WHO classification of cardiomyopathies. It has the unique ability to provide tissue char...
The development of right ventricular (RV) dysfunction and failure is a significant clinical problem in patients with congenital heart disease or pulmonary arterial hypertension. The RV remodels when exposed to abnormal loading conditions and when the intrinsic myocardial dysfunction is present. After congenital heart surgery this remodelling process is further influenced by the effect of right ...
We report the case of a 71-year-old woman diagnosed with recent inferior myocardial infarction complicated with right ventricular infarction and a right ventricular thrombus. Three-dimensional transthoracic echocardiography, contrast-enhanced computed tomography, and cardiac magnetic resonance imaging clearly detected a thrombus. We consider cases with a recent right ventricular infarction to r...
The complex geometry and structure of the right ventricular (RV) cavity make the assessment of RV function and volumes by 2-dimensional (2D) echocardiography arduous. Highly trabeculated endocardial border and bellows-like contractile pattern are not explicitly imaged by 2D echocardiography. Furthermore, the retrosternal position of the right ventricle hinders its visualization, and minimal cha...
Right ventricular (RV) function is a strong independent predictor of outcome in a number of distinct cardiopulmonary diseases. The RV has a remarkable ability to sustain damage and recover function which may be related to unique anatomic, physiologic, and genetic factors that differentiate it from the left ventricle. This capacity has been described in patients with RV myocardial infarction, pu...
Assessment of the right ventricle by magnetic resonance imaging in chronic obstructive lung disease.
Right ventricular wall and chamber volume were measured by magnetic resonance imaging in 16 patients with stable chronic obstructive lung disease who subsequently underwent measurement of pulmonary haemodynamics by right heart catheterisation. The patients had a forced expiratory volume in one second of 0.7 (SD 0.3) litres, a forced vital capacity of 2.4 (1.0) l, an arterial oxygen tension (PaO...
BackgroundIncreased metabolic rate of hyperglycemia in gestational diabetes causes macrosomia, which can also affect the fetal heart. The thickness of the walls of the heart and its function in women with gestational diabetes mellitus (GDM) can change over time before treatment. We aimed to evaluate fetal cardiac structure in terms of ventricular wall thickness and its function in women w...
Tetralogy of Fallot is the most common form of cyanotic congenital heart disease, with a prevalence of 0.26–0.8 per 1000 live births. Total repair for tetralogy of Fallot has been available for 50 years with a favourable outcome in most patients. Today, one is faced with an increasing number of patients with residual pulmonary regurgitation. It was previously thought that pulmonary regurgitatio...
Right ventricular function is frequently abnormal in patients with systemic sclerosis, but whether this is related to pulmonary vascular complications of the disease is unclear. Standard echocardiography with tissue Doppler imaging was performed at rest and during exercise for the study of right ventricular function and pulmonary circulation in 25 consecutive systemic sclerosis patients and in ...
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