Current Concepts in Pediatric Cardiovascular Surgery.

pertension, however, in ours and other people’s experience is outweighed by the advantage of operative closure of the defect at a time optimal for the surgeon. Data available on endocardial cushion defeet are scanty indeed and profiles of natural history are not available. Of the entire group, it would seem that the defect is partial (ostium pnimum atnial septal defect with or without a cleft in the mitral or tncuspid valve) in 75% and complete (atrioventricular canal) in 25%. Near normal life