Atrial septal defect(ASD): Treatments
When there are atrial septal defects (ASD) in children, the following three considerations should be considered for treatment planning: 1) The possibility of ASD shutting down by itself 2) Size of ASD and amount of blood shunt 3) In the indication of ASD closure, whether to perform surgery or percutaneous transcatheter Most ASD secundums are smaller than 6 mm in size, usually closed within 2 years and lasting up to 5 years. Therefore, if there is no symptom, it is not indications that the defect is prevented by the surgical procedure at a young age. If the size of the defect is moderate (6 to 8 mm) or large (> 8 mm), ASD secundum does not normally close on its own. However, since moderate, large ASD has the possibility of spontaneous closure, it is recommended to watch it until two years old on the assumption that there is no symptom. The risk of embolism and the severity of the procedure should be considered by preventing ASD. However, the small size of less than 6mm did no...