Usually loose of weight after the whole procedure depends on several factors. They are:
• Age of the patient ;
• Weight before surgery;
• General condition of health;
• Surgical procedures;
• Capacity to exercise;
• Responsibility to keep up dietary guidelines and other follow-up care;
• Enthusiasm of patient itself; family, friends and associates support. 

In general, success of weight loss surgery is defined as achieving loss of 50% or more of excess body weight and maintenance that point up for at least five years. Clinical records can differ for each weight loss procedures. The eventual results may also vary by bariatric surgeon. Inquire your doctor for the clinical data of the results of the procedure they advised.

Medical studies illustrate that the largest part of patients loses weight quickly and continue to keep up it from 18 to 24 months after the course of therapy. Patients can loose from 30 to 50% of their weight in the first six months and 77% of excess weight during 12 months after surgery. According to the other study patients can preserve a 50-60% loss of excess weight 10-14 years after weight loss surgery. Patients with the higher primary BMIs are inclined to lose more total weight. Patients with lower primary BMIs are likely to loose a bigger amount of their excess weight and in all probability will come nearer to their ideal body weight. Patients with Diabetes type 2 show less profound excess weight loss rather than patients without Diabetes type 2. 

  The effectiveness of surgery is concluded into improving and controlling a lot of obesity-related health conditions. A study of 500 patients showed that 96% of fixed associated health conditions such as sleep apnea, high blood pressure, back pain, diabetes and depression were improved or determined. For instance, many patients with Diabetes type 2 have demonstrated first-rate assertion of their diabetic condition, to the matter of having little or no obligatory to continue medication after the surgery.

General performing of bariatric surgery is not possible before all existed alternatives would be evaluated by you and your doctor.

The doctor should take with you the following discussion and consideration:
1. These weight loss procedures can’t be considered as cosmetic surgery;
2. The elimination of adipose tissue (fat) by suction or excision doesn’t included in this surgery;
3. Before taking the decision to chose a surgical treatment patient should become aware of  the risk and benefit to the patient and the careful performance of the proper surgical procedure;
4. The surgery will be succeeded in case if success of surgery is dependent on long-term changes in the way of life, diet and exercise;
5. Surgery that requires additional operations may come up definite problems.

Success of surgical weight loss treatment must set in motion with existence of real targets and progress through the most excellent possible use of well-designed and tested operations.