If there is any doubt whether or not a shunt would benefit you, a lumbar drain test or ICP bolt test can be done (requires a hospital stay) and that way your doctor will know for sure. So please, do not get too excited at this point. There is, as Julie suggested, also the choice of getting another surgeon if this one isn't interested in your case.
Do not give up hope. Go to your appointment prepared. That will show the doc that you are committed to getting better. Which you obviously are.