I was diagnosed with an aortic root aneurysm last August. I had an echo done and the size was 6cm. I then had a cardiac catheterization and a TEE which showed some very minor valve leakage but no other issues. My cardiologist referred to a surgeon who wanted me to lose about 100 lbs first. (I am 6' tall and was about 125 lbs overweight - pretty much all in my mid-section.) He sent me to a bariatric surgeon who won't operate because of my heart. So I am working at losing weight (26 lbs so far) but my cardiologist doesn't want me to do any real exercise. I recently had another echo and it says the size was 5.5. This is a long way to ask my real question - can aortic roots "fix" themselves over time? Or is this more a function of my size making an echo less definitive?
Aortic root aneurysms do not fix themselves. They have to be repaired surgically. I would urge you to get a second surgical opinion, because the size of your aortic root -- even if it is "only" 5.5 -- is in a range in which there is a significant risk of dissection. An aortic root dissection usually gives no warning and is almost always fatal.
I looked at your profile and saw that you live near Chicago IL. That is lucky for you, because you need an expert surgeon and team, and there are three medical centers in Chicago that are nationally renowned for their thoracic aortic surgery programs. In no particular order, they are Rush, Northwestern, and U. Chicago. I would go, as quickly as possible, to one of those three centers for an evaluation.
PS, the change in size between the two measurements is likely due to measurement error, which is common. There are a lot of places in the process for error to creep in, especially if both were done by echo. But, again, even if the root is "only" 5.5cm, that is way too large. I would consider the second measurement of 5.5 to be merely a confirmation that an aortic aneurysm is present and NOT a sign that the root is getting smaller.
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