Procedure went well, Pouch in great shape except for a prolapse. The banding will happen after additional tests: barium defecogram and manometry. Apparently this is to help evaluate the mechanics issue and identify where to band and also rule out significant functional problems for which they typically order biofeedback. I will skip any biofeedback because I think I have the straining under control and it is not practical for me because of distance.
In addition to the prep, they put me out with propofol for the scope. He takes a biopsy during the procedure and tests for prolapse using air to emulate straining. Perhaps the prep and sedation are to allow for that evaluation. I'm curious about it, and will ask when I'm there next.