what are the Recommendations for Ventricular Septal Defect
Referenced studies that support recommendations are summarized
in Online Data Supplement 28.?
Closure of a VSD may be considered in the presence of a net left-to-right shunt (Qp:Qs ?1.5:1) when PA systolic pressure is 50% or more than systemic and/or pulmonary vascular resistance is greater than one third systemic.S