already had revision weight loss question

Hello I had a revision from VBG to distal RNY 12-21-05 and have only lost 72 pounds in 11 months. Should I be worried that it is going slow? It is still coming off but very slowly. I still need to lose 100 pounds 80 at the least and i'm afraid it won't happen. They say the "window" is 18 months. Has anyone had similar results? Or any advice? Thanks  micah

hello i had a revision from vbg to rny... vbg 8/98 rny 8/04 and went from 205 revision day to 128... I am at my goal but it did take me 2 years to get there... its a lot slower than a regular person who is having surgery for the first time...