OVER the past seven years approximately 400 patients have been surgically treated at the Massachusetts General Hospital with the assistance of cardiopulmonary bypass. The majority of these patients ...

An ostium primum atrial septal defect (ASD) occurs when then atrial septum near the atrioventricular valves has a communication between the two atrium causing a left to right shunt. This rarely ...

Expert Rev Cardiovasc Ther. 2007;5(6):1135-1146. Diagnosing a secundum ASD is more often than not incidental because the defect normally causes symptoms late in adult life. Echocardiography and MRI ...

Case 1. A 17-year-old boy was admitted to Walter Reed General Hospital for repair of an ostium-primum defect of the interatrial septum with an associated cleft mitral valve and mitral insufficiency.

† Primum (2 patients), secundum (68 patients) and sinus defects (4 patients). § Surgical branch of the study. TEE = Transesophageal echocardiography. *Children and adults. † Percutaneous branch of the ...