Hey, Shana - welcome to our home - you are our first member who lives in Italy.
What brings new members here is fear. The second reason is our individual heart issue. Know that you are in good company because we have all been where you are. We are here to give informational personal experiences and support while you wait for your surgery, and afterward. The waiting is worse than the actual surgery! Of course you are scared and that is the most natural emotion when faced with the awesomeness of surgery, especially heart surgery. You will be fine, you just don't know it right now. You will have all our prayers as you go along so keep us posted.
As to Xanax, I have taken it for a long time. And, yes, it is addicting, however, if you take it ONLY when you feel you REALLY need it you won't become addicted. (Sorry, my sweet Ross, but it IS addicting). And break the pill in half, always use the lowest dosage you can get by with. But it certainly does help when you are so panicky and afraid. If used on a daily basis, you will be shaky (like Ross said about Ativan - tho Ativan is stronger in my opinion) coming off it. But it is a good drug. I have high BP and my dr office told me to go ahead and take it as it helps keep my BP in check, along with, of course my BP medicine.
God bless