Gastric Bypass Surgery

Gastric bypass surgery is one of the most frequently performed operations in the treatment of obesity surgery. It plays an important role in accelerating the weight loss process of patients by being both an absorption blocking and food intake restricting surgery.

Since the patient's stomach shrinks after the procedure, patients feel full faster even if they eat less food. The point where the new stomach is connected to the intestine is narrower than normal. Therefore, the feeling of satiety lasts longer. The operation also contributes to the reduction of the risk of diabetes, sleep apnoea, high cholesterol, heart disease, joint disease, and high blood pressure, which occur due to excess weight.

In addition to all these, the reduction of food intake due to the change made in the intestinal system can make it possible for patients to take fewer calories from the foods they consume. Thus, with the double effect offered by the operation, weight can be lost rapidly when post-operative requirements are met.

What is Gastric Bypass Surgery?

Gastric bypass surgery is a procedure performed by bypassing a large part of the stomach and preparing a small stomach section with an average volume of 30 to 50 cc and sewing it to the small intestine. It can also be called stomach reduction surgery. In addition to reducing the volume of the stomach, the surgery also allows a part of the intestines to be deactivated. In this way, some of the food consumed by the patient is removed from the body without being absorbed. As a result, the patient can be satiated with less food after the operation, and only a part of the food taken can be absorbed.

How is Gastric Bypass Surgery Performed?

Gastric bypass surgery, which can be performed laparoscopically, can also be performed with the preference of robotic surgery in recent years. Within the scope of the procedure, after 4 to 6 holes with a diameter of 1 cm each, an average of 95% of the patient's stomach is bypassed and the stomach is reduced.

A part of the stomach is surgically divided into two parts and the duodenum is bypassed and attached to the middle of the intestine, while the other part is not removed from the body and continues its function. Thanks to this procedure, the food consumed by the patient after the operation is prevented from passing through the duodenum.

Who is Gastric Bypass Surgery Suitable for?

  • Patients with a body mass index of 40 and above or with a body mass index between 35 and 40 but with different medical problems such as sleep apnoea, type 2 diabetes, and hypertension caused by obesity,
  • Gastric bypass surgery can be performed for people who need to lose weight quickly and in large amounts.

Frequently Asked Questions

What are the Risks of Gastric Bypass Surgery?

As with all surgical procedures, this surgery has some risks. Possible infection, bleeding, hernia, postoperative intestinal obstruction, and complications of general anaesthesia can be counted among the risks of this surgery.

The most serious risk of this surgery is a leak in the connection between the stomach and small intestine and the need for a second operation. Some risks may increase due to obesity. Embolism in the feet and lungs and cardiac problems may also be encountered. If the dietary rules are not followed after gastric bypass, dumping syndrome may also occur.

How long do I have to stay in the hospital after gastric bypass surgery?

Patients usually need to stay in the hospital for 3 to 5 days after gastric bypass surgery is performed under general anaesthesia.

When does the weight loss process begin after gastric bypass surgery?

Weight loss occurs gradually with the surgery, but the fastest weight loss occurs in the first months. Patients usually need 1.5 to 2 years to achieve maximum weight loss. During this period, patients can lose an average of 70% to 80% of their excess weight. Although the process and speed of weight loss may vary depending on the patient, the metabolic rate is also effective in this process.

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