Looking at the timeline above, one might assume gastric balloon surgery is the latest, greatest procedure to lose weight. One downside to gastric sleeve surgery is that weight loss is generally slower than it is with a gastric bypass. Of the three most common procedures, gastric bypass produces greater weight loss, on average, but has more complications months after the surgery.
While gastric sleeve surgery helped many patients lose weight, it was also much more common for people who had this procedure to gain the weight back afterward, than with both gastric bypass and gastric sleeve. Gastric sleeve patients lose 60-80 percent of excess weight from the body over the first couple of years. Vertical sleeve weight-loss surgery is generally safer than gastric bypass, with similar results.
Sleeve gastrectomy results in rapid, predictable weight loss, and is an excellent choice for patients seeking weight loss as a precursor to knee and hip joint replacements, spinal surgery, and other elective surgeries. For patients who have BMIs of 50 or above, a sleeve gastrectomy--which removes all but the banana-sized portion of the stomach--is usually a better choice. A vertical sleeve removes approximately 85% of the stomach, and it encourages weight loss* by decreasing appetite and initiating hormone changes in the intestine. Gastric bypass works by installing a small pouch in the stomach, which limits the amount of food eaten while bypassing parts of the gut to keep too many calories from being absorbed in digesting.
Gastric bypass was, and perhaps still is, the gold standard, but sleeve gastrectomy, a simpler surgery that has nearly identical results--for weight loss, anyway--has replaced it. Three types of weight-loss surgery include gastric bypass, sleeve gastrectomy, and adjustable gastric bands (also known as lap bands). However, misperceptions of sleeve gastrectomy, lap band vs. gastric bypass sleeve gastrectomy, and lap band vs. gastric bypass sleeve gastrectomy have kept many from seeking out sleeve gastrectomy. In addition, sleeve gastrectomy is associated with problems such as heartburn, food intolerances, and a phenomenon called band slippage, which can result in pain and nausea.
Restrictive surgeries more commonly use staples, with a stomach that is attached to a staple being removed or circumvented, depending on the surgery. Studies have shown those who get the procedure can reduce their BMI by about 14.8 points, which is an average amount of weight loss. Endoscopic weight-loss procedures work by allowing doctors to insert specialized devices or medications in your gastrointestinal tract in order to restrict the amount you can eat. To make a long story short, both gastric sleeves and gastric bypasses are great choices for surgery, and they are both sufficient for helping the patient achieve his or her target weight, but depending on a patient's body mass index, gastric sleeves would be considered the better surgery for patients who needed to lose 130 pounds or less, while gastric bypass operations would be the better choice for patients who needed to lose 130 pounds or more.
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