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Types of Weight Loss Surgery

Like any major operation, weight loss surgery may present serious risks, including the possibility of infection and complications from general anesthesia.

AnMed Health offers the following types of weight loss surgery:
  • Gastric Bypass 
  • Sleeve Gastrectomy 
  • Adjustable Gastric Banding
  • Revisional Surgery

According to the American Society for Metabolic Bariatric Surgery (ASMBS) and the National Institutes of Health, gastric bypass is the gold standard procedure for weight loss surgery. In this procedure, stapling creates a small stomach pouch. The remainder of the stomach is not removed, but is completely stapled shut and divided from the stomach pouch. Food bypassed the first and second sections of the stomach, reducing the absorption of calories into the body.

According to a landmark study published in the Journal of the American Medical Association (JAMA), bariatric surgery patients showed improvements in the following conditions:
  • Type 2 diabetes went into remission in 76.8 percent and significantly improved in 86 percent of patients
  • Hypertension was eliminated in 61.7 percent and significantly improved in 78.5 percent of patients
  • High cholesterol was reduced in more than 70 percent of patients
  • Sleep apnea was eliminated 85.7 percent of patients. 
  • Joint disease, asthma and infertility were also dramatically improved or resolved. 
  • The study showed that surgery patients lost between 62 and 75 percent of excess weight.
Advantages of Gastric Bypass
  • The average excess weight loss is generally higher in a compliant patient than with purely restrictive procedures.
  • One year after surgery, weight loss can average 77 percent of excess body weight.
  • Studies show that after 10-14 years, 50-60 percent of excess body weight loss has been maintained by most patients.

Also called a gastric sleeve, this procedure reduces the size of the stomach by about 90 percent. During the surgery, doctors remove a portion of the stomach then staple the open edges together to form a banana-shaped sleeve or tube. This procedure is performed laparoscopically and cannot be reversed.

Sleeve gastrectomy is often a good option for patients with a body mass index of 40 or more, where a gastric bypass might be too risky. Patients that are obese but not extremely obese, might also find sleeve gastrectomy to be suitable option with few risks.

Advantages of Sleeve Gastrectomy
  • Reduces stomach capacity while allowing the stomach to function normally you can eat most foods, just in small amounts 
  • Eliminates the part of the stomach that produces hormones that stimulate hunger
  • Effective as a first stage procedure for high BMI patients
  • Appealing option for people who have anemia, Crohn’s disease or other conditions that put them at too high of a risk for gastric bypass 
  • Can be done laparoscopically in patients weighing more than 500 pounds, giving them all the advantages of minimally invasive surgery

During surgery, a band is placed around the upper part of the stomach to create a small stomach pouch. The larger part of the stomach is below the band, and the two parts are connected by a small outlet created by the band. The upper stomach pouch can hold only a small amount of food, so individuals eat less. Also, the band causes the food to pass more slowly through the outlet, so individuals feel full longer. The procedure is performed laparoscopically through several small incisions.

Advantages of adjustable gastric banding:
  • Minimal Trauma
  • Fewer risks and side effects
  • Adjustable
  • Reversible