Yes it seems like you just need to see someone and you have some good options. I wish you the best navigating this very complicated landscape.
Regarding ways to facilitate emptying, an enema doesn’t even need to be inserted fully (beyond the anastomotic site and region of potential stricture) to work. You can just insert it a cm or two into anal canal and it will generally just flow into the pouch. And a gentle laxative like Miralax is unlikely to do any harm unless you have a complete blockage. And even then you’d just vomit it up. I’d make myself as liquid as possible to help empty without straining. BTW, if you end up seeing Shen for pouchoscopy he will have you do a bowel prep with an 8oz bottle of Miralax the night before!
Good luck tomorrow. Let us know how it goes.