Assessment of right heart size in children after percutaneous closure of secundum atrial septal defect with amplatzer septal occluder

Abstract

Introduction: Any opening between the two atria other than a competent foramen ovale is an interatrial defect, which accounts for 6%–10% of all CHD in children, with a 2:1 female preponderance. Transcatheter secundum ASD closure is adopted worldwide. Aim of the study: To measure right atrial (RA) and right ventricular (RV) size and quick remodeling to normal in children after percutaneous secundum atrial septal defect repair using the Amplatzer septal occluder. Methods: The research included 70 children aged 4-14.5 years (7.61±2.5 years). Using 2D TTE, longitudinal, transverse axis, area of RA, RV inflow dimensions at basal one-third and midway between the tricuspid annulus and the apex, short axis, and M-mode RV at end diastolic dimensions were measured (indexed to body surface area). Measurements were taken before, 24 h, 1 month, and 3 months after the procedure and compared to the control group. Results: A substantial difference (p