Title: Evaluation of left atrial volume and function using single-beat real-time three-dimensional echocardiography in atrial fibrillation patients Authors: Qian Zhang ([email protected]) Ju-fang Wang ([email protected]) Qing-qing Dong ([email protected]) Qing Yan ([email protected]) Xiang-hong Luo ([email protected]) Xue-ying Wu ([email protected]) Jian Liu ([email protected]) Ya-ping Sun (...

The most common etiology of tricuspid stenosis is rheumatic, and in most cases it is associated with valvular regurgitation. Interestingly, there have been reports of tricuspid stenosis without associated valvular regurgitation, mostly related to pacemaker leads. Percutaneous tricuspid valvuloplasty may be a therapeutic alternative to surgery in cases of pure tricuspid stenosis without other co...

BACKGROUND Mitral valve (MV) enlargement is a compensatory mechanism capable of preventing functional mitral regurgitation (FMR) in dilated ventricles. Total leaflet area and its relation with closure area measured by 3-dimensional (3D) echocardiography have been related to FMR. Whether these parameters can be assessed with other imaging modalities is not known. Our objectives are to compare ca...

Background Patients with left ventricular hypertrophy (LVH), typically assessed by 2D echocardiography, are at a greater risk for heart failure and sudden cardiac death. An accurate diagnosis of LVH is essential to clinical evaluation and treatment. However, 2D echo has inferior spatial resolution and less than optimal measurement positioning, relative to cardiac MRI. This “real-world” study, b...

AIM The aim of this study was to evaluate the feasibility of myocardial wall-motion and perfusion assessment using contrast echocardiography during real-time three-dimensional (RT3D) adenosine stress test, and compare its diagnostic accuracy with the two-dimensional (2D) method using coronary angiography as reference. METHODS AND RESULTS Patients with known or suspected coronary artery diseas...

Mrs B, a 49-year-old female, was referred to our institution for severe mitral regurgitation. Transthoracic echocardiography showed only a moderate organic mitral regurgitation, but a transient severe reversible functional mitral regurgitation was observed during transoesophageal echocardiography (TEE). Three-dimensional TEE clearly demonstrated the functional nature of the regurgitation with a...

Left ventricular hemodynamics were studied using M-mode and pulsed doppler echocardiography in 18 cases with post-streptococcal acute glomerulonephritis (PSAGN) during the acute phase. Both the ratio of left atrial to aortic dimension and the end-diastolic volume index increased in the acute phase compared with those in the recovery phase in each case (p < 0.01, p < 0.01). These results indicat...

cor triatriatum is an acyanotic congenital heart disease. we present a rare case of cor triatriatum sinistrum in a 6-month-old female infant who was presented with cyanosis and failure to thrive. the 2d transthoracic echocardiography and the doppler color flow imaging showed a proximal venous chamber communicating to the distal left atrium  through restrictive opening to the low-pressure, dista...

AIMS Although two-dimensional-dobutamine stress echocardiography (2D-DSE) is useful for the diagnosis of myocardial ischaemia, it requires the acquisition of multiple cross-sections at each stage. The introduction of new real-time three-dimensional echocardiography (RT3DE) offers rapid acquisition and 3D display of the entire left ventricle (LV). The purpose was to evaluate real-time three-dime...