Transcatheter Closure of Perimembranous Ventricular Septal Defect Using the Amplatzer Duct Occluder II

Objective: To evaluate the efficacy of Amplatzer duct occluder II (ADO II) in the treatment of perimembranous ventricular septal defect (pmVSD) in children. Methods: Between June 2017 and June 2020, 13 patients with pmVSD had attempted transcatheter closure using ADO II, seven of patients were used antegrade approach and six of them were used retrograde approach. Results: There were 8 males and 5 females, age from 1 to 7 years, weight from 10.5...