Sleeve to bypass revision

I learned today that I will require a revision due to having severe reflux which has caused barrettes disease. In regards to my weight, I do not need the surgery but I am 8 pounds above my most consistent weight and in total I’d like to lose 15-20 pounds.

I didn’t ask any questions I just listened. I was wondering if anyone had similar circumstances? If so is the pre-op and post op similar to the initial surgery? How many days were you in the hospital? I would appreciate any feedback others could offer. Thank you!