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I would encourage all of you to look into the DS if you're really considering a revision. Yes, it's more difficult (edited to say for the surgeon to perform, therefore less DS surgeons. Yes, it's more malabsortive. Yes, few surgeons are truly qualified to do it (don't depend on the surgeon listed here, go to www.duodenalswitch.com to find vetted surgeons), yes you most likely will have to travel for it, yes a revision poses more chance for complications, yes, technically there's nothing to mechanically fail with the DS, yes, revisions tend to lose slower.
Yes, I love my DS!!!!!!!!!! Superior weight loss, normal eating, a boatload of vitamins/supplements to take daily, but no dumping, no vomiting and no food getting stuck.
Good luck to you all whatever you decide.