You may lose one half or more of your extra weight in the first 2 years. You will lose weight quickly after surgery if you are still on a liquid or pureed diet.
Reduce “stoma” size – The connection between your pouch and small intestines (also called the “gastrojejunal anastomoses” or "stoma") gets bigger following surgery for some patients.
People who lose weight fast are more likely to regain that weight after finishing a diet. Your body has a hormonal response to losing more than one to two pounds weekly. Those changing hormones increase the risk of weight regain if you do not adopt sustainable eating and lifestyle habits.
You can read about other patients’ experiences with weight regain after having gastric bypass surgery
One study showed that 64% of patients lost at least 75% of their weight regain after their injections. The only complication that occurred was symptoms of stomal stenosis that required the stomach to be stretched back out with the use of a special balloon (14).
Again, a very low-calorie diet is not recommended for everyone. People who need to follow one for medical reasons also need strict medical supervision. Close monitoring helps to prevent nutrient deficiencies in people on calorie-restrictive diets.
Additionally, this procedure can impair the absorption of fats, leading to loose bowel movements and diarrhea if one eats a lot of fatty foods.
To lose weight and avoid complications from the procedure, you will need to follow the exercise and stomach bypass eating guidelines that your provider and dietitian have given you.
Bariatric surgery of any type, including gastric sleeve surgery, is only considered an option when strong attempts to improve your diet and exercise habits, and the use of weight-loss medications, haven’t worked.
Healthcare providers often advise against those diets, at least for long-term weight maintenance. The very low-calorie diets are often reserved for adults with obesity who need to lose weight for health reasons, such as in type 2 diabetes or before weight-loss surgery. What's more, healthcare providers do not recommend using these diets for more than 12 weeks.
One alternative to bypass surgery is Percutaneous Cardiac Intervention (also known as angioplasty), a non-surgical technique that uses catheters and small structures called stents to keep the arteries open.
Dumping syndrome is another complication that is more common after gastric bypass than other types of bariatric surgery.
Successful weight loss requires long-term changes to your eating habits and physical activity. This means you need to find a weight-loss approach you can embrace for life. You're not likely to keep off the weight you lose if you go off the diet and back to old habits.
Join and participate in a good weight loss surgery support group – weight loss surgery patients who actively participate in