Ketogenesys efer to it as gastric banding, intestinal bypass surgery, or obesity surgery. surgery is recommended to people who are to pounds over. It is also the more preferred option for people who are suffering from diseases like diabetes or heart diseases but need to shed some pounds. surgery is characterized by the surgical restriction of a person's stomach and intestines in such a way the digestive processes are interrupted. Large portions of the small intestines or the stomach maybe removed. This procedure is commonly performed on patients who are suffering from stomach ulcer or cancer. During those times, doctors observed that most of the.