A member asked:

I have an atrial septal aneurysm and now i know it has a hole they will do a tee how big does it need to be before they will need to patch it?

4 doctors weighed in across 2 answers
Dr. Rick Koch answered

It really depends: On how much shunting is occurring through the hole & if there are resultant adverse effects...E.G. Pulmonary hypertension...Often times these are not fixed.

Answered 6/2/2013

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Depends on flow: It is not just the size. If the shunting between the two sides results in ratio greater than 1.5 and you have symptoms you need the defect closed. Occasionally people get rhythm problems or thrombus formation due to atrial septal aneurysm and may need surgical treatment.

Answered 3/22/2014

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