Background: Atrial septal defect (ASD) is easily thought to be a round hole in the atrial septum from the image of two-dimensional (2D) echocardiography. Even surgeons can not get the true morphology of an atrial septal defect because they only see the defect when the heart is already in a collapsed, non-beating condition. Pediatric interventional cardiologists, on the contrary, need to know th...

BACKGROUND Closure of a secundum atrial septal defect (ASD) is possible through surgical intervention or device placement. During surgical intervention, concomitant pathologies are corrected. The present study was conducted to investigate the outcomes of surgical ASD closure, to determine the risk factors of mortality, and establish the effects of concomitant disease correction. METHODS Betwe...

BACKGROUND Recent developments in cardiac MRI have extended the potential spectrum of diagnostic and interventional applications. The purpose of this study was to test the ability of MRI to perform transcatheter closures of secundum type atrial septal defects (ASD) and to assess ASD size and changes in right cardiac chamber volumes in the same investigation. METHODS AND RESULTS In 7 domestic ...

OBJECTIVE In this study, we tested 3 techniques of atrial septal defect closure under real-time 3-dimensional echocardiography guidance in a swine model. METHODS The operations were conducted under the sole guidance of a modified real-time 3-dimensional echocardiography guidance system with a x4 matrix transducer (Sonos 7500, Philips Medical Systems, Andover, Mass). Eighteen swine were anesth...

BACKGROUND Many adult patients with secundum-type atrial septal defects (ASDs) are able to have these defects fixed percutaneously. Traditionally, this has involved an assessment of ASD size, geometry and atrial septal margins by transoesophageal echocardiography (TOE) prior to percutaneous closure. This is a semi-invasive technique, and all of the information obtained could potentially be obta...

Abstract Background Atrial fibrillation (AF) is a well-known, long-term complication of atrial septal defect (ASD) in adults, even after device closure. Left (LA) strain rate applied to the analysis chamber function has been demonstrated be an important predictor LA reverse remodeling. This study aimed determine changes closure ASD. Methods prospective enrolled adults with secundum ASD undergoi...

BACKGROUND Transcatheter closure of a secundum atrial septal defect (ASD) has become an effective method for surgical treatment. In this study, we evaluated the feasibility and accuracy of intracardiac echocardiography (ICE) for sizing ASDs compared with conventional methods. METHODS Between January 2004 and December 2006, 270 patients underwent transcatheter closure of secundum ASD by using ...

Twelve cases of endocardial cushion defect were studied before and after operation with ultrasono-cardiotomography (tomography) cross-sectional echocardiography, two-dimensional echocardiography, B-scan echocardiography) and M-mode scan along a horizontal section of the heart. For comparison, 20 healthy subjects, 18 cases of mitral valvular disease, 4 cases of congestive cardiomyopathy, 1 case ...