Uh-oh! It sounds like you just left for a while! Oh, well -- I'm post anyway.
You know who is a surfer? Extreme amateur, from the sound of it, but one all the same? Adam Pick, who wrote that book you can get on the internet about heart valve replacement surgery from a patient's point of view. Google his name and you'll find him. He had his valve replaced in his thirties. I bought his book as soon as I was diagnosed.
Note: He has some experiences that I now know are atypical, at least in the states. Not bad -- just different from most of us.
It certainly seems like you are unique here, from the comments of everyone else! While I don't have arthritis and it sounds like you're having more of your ascending aorta replaced than I did, I DID have one experience that you will have: planning surgery when a.) the doctor really couldn't be certain about anything until he was in there, and b.) no one could predict at all what would happen to my aorta in the future.
You see, I didn't know until right before surgery if I had Marfan's disease. My cardiologist was 100% certain I did. Turns out he was wrong; the geneticist said that while some people's test results will never be certain, mine say that I don't have it.
But since the test results take forever, and often they are not totally accurate, I had an uncertain waiting period, just like you.
And now, I 'm going to write to an old school friend who was once immobilized by arthritis and ask how his heart is!