Good Morning to you Mr Kumar,
Thanks for writing in.
Recommendation for Atrial Septal Defect
is of any size and in any age (if pulmonary artery
pressure does not make it untenable) ought to be closed. Depending upon size and size of rim around it, in majority it is possible to do a device closure (an umbrella like double petaled device placed on the defect) by a procedure done through venous puncture under local anesthesia
. The whole procedure takes about one hour. Yes, ASD once closed does not recur so in a way it is 100% curable. There is, however, a rider that irregular rhythm associated with ASD often does not go away however, no other complication associated with leaving it open can take place.
ASD is present since birth so it is chronic if that is what you mean by asking whether it is. It does not occur spontaneously or acutely.
With Best Wishes.
Dr Anil Grover