Question:
What is the average weight loss at one year and at 18 months from WLS?

Sorry for repeat question, saw it posted & answered before but can't locate. Went to print it and computer crashed. All answers are appreciated.    — [Anonymous] (posted on October 24, 2000)

October 24, 2000
I think this is one very hard question to answer since we're all different in our beginning weight and surgery types.. Seems to me That I see those that are the Super obese loose greater amounts faster.. I'm not even one year post-op Yet... I'm just 10 months post-op and I have lost 170 pounds.. That's about 78.5% of my excess weight gone so far... My beginning weight was 367 and I'm now 197 pounds.. My goal is 150.... The pounds are still steadily melting off. I eat very normal meals.. My caloric intake is between 750-850 calories as a normal, however, some days 900.. I feel great, best I have in over 20 years and I have not been under 200 pounds since I was 17 years old.. <p> Visit my profile page for more information, links, and recipes...
   — Victoria B.

October 24, 2000
My RNY surgeon says this: MOST patients lose 40% of their preop weight - on average. Of that total loss, 50% is usually lost by 5 months then the other 50% is lost over the next 12 months. Hope this helps you.
   — Cindy H.

October 24, 2000
Well, I think that the rate of loss averages about 80% of excess weight within the two-year window after the DS (duodenal switch, also referred to as the BPD/DS - bilio-pancreatic-diversion/duodenal switch). This is according to a 10-year follow-up survey by Dr. Hess, in which he quotes: "here is an average maximum weight loss of 80% excess weight which occurs at 24 month post-operative and continues at a 70% level for eight years." (http://www.duodenalswitch.com/Procedure/DS_vs__RNY/1998Hess/1998hess.html). In a 1993 report by Marceau comparing the older BPD surgery to the improved BPD/DS, he quotes: "Weight loss after either operation was greater thjan 70% of the inital excess weight. Following the new operation, there was a lesser prevalence of side effects, especially loose stools and malodorous gas, a lesser degree of hypocalcemia and no hypoalbuminemia....The prevalence of side effects and the degree of calcium and protein malabsorption remained significantly lower. Weight loss remained satisfactory with a common limb measuring 100 cm." (http://www.duodenalswitch.com/Procedure/DS_vs__RNY/93Marceau/93marceau.html). This procedure isn't as common in the US, but it is an option and can be done laparoscopically by a few doctors in this country. :)
   — Teresa N.

October 24, 2000
I have a distal gastric bypass. I lost about 130 in the first year, and the balance after my tummy tuck at 13 months. So by 18 months, I had lost 150 and was at my goal wt of 112 or so. With these very distal procedures, I've seen women lose as much as 210 in a year, men over 300! Wow, huh? And being distal, we tend to hold goal wt without too much effort.
   — vitalady