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The indications to close a ventricular septal defect include: Qp/Qs is > 1.5 and there is LV systolic or diastolic dysfunction causing clinical heart failure. Prior endocarditis on the VSD Qp/Qs ...
We excluded 5 pts with a large residual VSD (Qp:Qs>1.8): 4/20 3-4+ pts and 1/33 pts with 1-2+ AN. Pre-op studies on the 3-4+ pts showed smaller pulmonary-to-aortic root diameters (.48±.
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