In this video, we learn about obesity and weight issues in our society, and what types of bariatric surgery exist.
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Male Speaker: Are there different types of surgery? Dr. William McCarthy: There are two basic categories of bariatric surgery. The first is what we call restrictive. This is the type of surgery where the volume of the stomach is reduced. The most common form of this surgery is the laparoscopic gastric banding more commonly known as the LAP-BAND. This procedure has been commonly used and it's a far-listed in basic procedure. Then the second procedure which is the malabsorptive treatment and this is the second form of surgery. An alteration is made to the gastro-intestinal track that reduces the absorption of the body's nutrients and thus results in weight lose. Now when you hear the term when a person says "I've had gastric bypass surgery", they are usually referring to malabsorptive surgery the typical gastric bypass or surgery is actually a combination of restrictive, because the stomach volume is reduced and malabsorptive because anatomy is changed to reduce the nutrient intake to the body.