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Atrial septal defect is the most common type of congenital heart diseases. Interventional closure is currently the best treatment for atrial septal defect. However, atrial septal defect combined with severe pulmonary hypertension remains a clinical problem. We applied a perforated occlude to the clinical treatment of atrial septal defect with severe pulmonary hypertension and achieved good results. As the pulmonary pressure gradually went down, the reserved hole of the occlude can be blocked latterly
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Feng Li (2019) studied this question.
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