Introduction: Aortopulmonary window (APW), a large aortopulmonary septal defect (APSD), is a serious and rare defect within congenital heart diseases.

Case Report: In this study, we reported an APW case with severe pulmonary arterial hypertension. This patient was successfully treated by transcatheter closure with a muscular ventricular septal defect (VSD) occluder.

Conclusion: We had a successful experience with transcatheter closure of a large APW using a muscular VSD occluder. There was no residual shunt or complications during the 6-month follow-up.

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http://dx.doi.org/10.1532/hsf.1301DOI Listing

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