I keep forgetting to actually answer your key question. Once the fistula is repaired and the blind stomach is removed. You WILL be able to start losing weight again.

Revisng to a DS is tricky but possible with an experienced surgeon under normal cir****tances. Once you have the fistula and depending on the amount of damage that is determined, revising to a DS is not always an option. Once mine was fixed I started to lose weight again until it was then discovered my original bypass was a botched mechanical failure. 

I had my original surgery in 1990. Revisions i***** due to severe ulceration and 2011, due to two fistulas! I have had so many complications over the years, I could probably write a book! But after the fistulas were repaired, things didn't get better for me, I didn't feel so hungry afterwards. I think mine was considered a botched surgery because my anatomy was so goofed up and there is nothing much left to my digestive system! I suffer from hiatal hernia, severe acid reflux, and Chronic Pancreatitis, amongst other things. I don't want to go into all the things that have occurred over the years here, because it would take a few pages. I have a pain under my right ribs that has not gone away since my second year post op, but gets better and worse at times! It is good to know I am not alone though and I wish you all Good Luck! But as it has been said very much, the surgery is a physical fix but not a mental or emotional one, and that is most of the battle! If I had known where I would be now, suffering, I probably would have just stayed the way I was and try some other way years later, since it has been updated! Take care and I hope you will soon feel better!

UPDATE

I had my gastric fistula repaired and my stoma reduced by Apollo Overstitch on July 27, 2015.

My story is posted in the revision forum under the title:

After Apollo Overstitch to correct Gastric Fistula & Reduce Stoma