Generally the standard for an ascending aortic aneurysm is either: 5.5 cms OR a growth rate of .5 cms in one year, according to the latest standards. I watched my ascending aneurysm get to 5.3 (with echos every 6 months) and I also have a BAV that needed repair. I had the surgery recently and although it IS a difficult surgery (and recovery- for me anyway) I agree that surviving an emergency surgery as a plan- is a really a BAD IDEA. My Aorta was replaced and the BV was repaired and still in the ICU 9 days. I was 68 when this was done. It seems to be inevitable and your body can recover from being on the pump for an extended period when you are younger- something you really need to consider.

Good luck and I would agree with your second doctor.