While I'm not going to tell you what you should be and not be taking prior to your surgery, I will say that, many surgery centers will send you instructions as what you can expect and what they expect of you. Does your surgery center do a pre/addmision a few days before? I have had few surgery's or procedures done where they had me stop some of my meds 5 days before.
After the surgery, they should give you a list of what you may continue to take as well.
Good luck to you, and please call and confirm with your surgeon or Dr as to what you may and may not take prior to the surgery.