What is the better surgery for reduce weight if every thing was failed to reduce it and be safety on long-term ?

Sleeve vs bypass: The important issue is to be a part of a bariatric program not just a surgeon. You will have to truly change your lifestyle for ever in order to keep the weight off that you lose. Long term studies from europe show ~50% of the people are able to keep about 50% of their excess weight at 15 years after surgery. Diet and exercise work only 5% of the time in patients that are morbid obese(bmi>40).