what are the Recommendations for Atrioventricular Septal Defect
Referenced studies that support recommendations are summarized
in Online Data Supplement 29.?
Operation for discrete LVOT obstruction in adults with atrioventricular septal defect is reasonable with a maximum gradient of 50 mm Hg or greater, a lesser gradient if HF symptoms are present, or if concomitant moderate-to-severe mitral or AR are present.