I don't believe you should have ant issues at all. The gallbladder is in no way a major organ. Its like the livers sidekick to store bile. Our bodies can function without it no problem. My surgeon actually decided to just remove my gallbladder during my surgeries so I wouldn't have any future issues. It should be a piece of cake operation and I doubt will make much of a difference to the way your jpouch is currently functioning. When we were put together we probably could have been put together without a gallbladder and everything would of been fine. The only time the gallbladder is ever mentioned is when its causing problems and needs to come out. Good luck my friend. You'll be fine I'm sure.