Gastric bypass surgery is one of the oldest operations in the field of bariatric surgery. However, due to its effectiveness, it is the second most frequently used bariatric surgery method. However, sleeve gastrectomy has started to be performed more frequently due to the efficiency, ease of application and satisfactory results of sleeve gastrectomy. Gastric bypass surgeries are more effective in regulating blood sugar, especially in people with diabetes. It is also the most commonly used method in revisional surgeries.
The most commonly performed gastric bypass surgeries are the classic Roux-n Y gastric bypass and mini gastric bypass surgeries, which are single anastomosis gastric bypass (OAGB).
In gastric bypass surgeries, it is mainly aimed to eat less and reduce nutrient absorption. On this basis, a small stomach pouch is first created. The small intestine end, which is cut from below in the Roux-n Y gastric bypass, is added to this gastric pouch.
The most commonly performed gastric bypass surgeries are:
(One Anastomosis Gastric Bypass) (OAGB)
In the mini gastric bypass, the small intestine counted from a certain distance to the created stomach pouch is pulled and directly joined.
As a result, it is aimed to satiate the patients with a small amount of food. In addition, it is aimed to digest the eaten foods less and throw them away. The most effective area in intestinal digestion is the first parts of the small intestine. Since most of the stomach, duodenum, and the first part of the small intestine were skipped, the names of these operations were accepted as gastric bypass. The fact that absorption is reduced at the same time in bypass surgeries is stated to be more effective in people who consume excessive sugary foods.
It is these first jejunum parts that most stimulate insulin during the passage of oral food into the small intestine. When this area is bypassed, the need for insulin secreted from the pancreas will decrease. Thus, if the person has a sufficient level of insulin secreted from the pancreas, it is expected that the diabetes will improve after the surgery.
The hospital stay and recovery processes of gastric bypass surgeries are similar to Sleep Gastrectomy. Although the weight loss rates of these patients are similar according to many publications, it has been reported that sometimes sleeve gastrectomy surgery loses weight faster in some series or that bypass surgeries lose weight faster than some series. The important thing is to determine the surgical technique specific to the patient and to apply the surgical approach with maximum safety. Long-term complications of bypass patients are relatively higher. These are problems such as diarrhea, intermittent abdominal cramps, vitamin losses, mineral deficiencies, eating problems such as dumping syndrome.
Although the weight loss rates of these patients are similar according to many publications, it is reported sometimes that after gastric sleeve surgery the weigh loss is faster however, according to another statistics, patients after bypass surgery lose weight faster. The important thing is to determine the surgical technique specific to the patient and to apply the surgical approach with maximum safety. Long-term complications are relatively higher in bypass surgeries. These are diarrhea, intermittent abdominal cramps, vitamin losses, mineral deficiencies, eating problems such as dumping syndrome.
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