How Much Is Gastric Bypass Surgery? Gastric bypass is the gastric bypass surgery for people with obesity problems, which helps the patient lose weight.

The bypass can be defined as bridging or using shortcuts. Gastric Bypass means creating a passageway from the stomach to the intestines in general surgery. It is a method applied for various diseases that obstruct the stomach outlet. Gastric Bypass, in the sense used in obesity surgery, is a surgical method in which most of the stomach is disabled and the food taken is digested by using almost only half of the intestines.

It is one of the most effective ways to treat obesity. With this surgery, patients can lose weight between 40 and 100 kilos. It is also prevented from gaining weight again as a result of the surgery. With gastric bypass surgery, diabetes, cardiovascular diseases, joint pain, etc., which are encountered in overweight people. diseases can be eliminated with this surgery.

Gastric Bypass is the treatment method of the disease with the obesity problem when sufficient results cannot be obtained with exercise and medication. A major change in hormones that manage to control hunger-satiety and blood sugar in the intestinal system after surgery. With the shrinkage of the stomach, less food and calories will be taken, so people naturally begin to lose weight and get rid of obesity. However, some conditions of stomach reduction surgery and some postoperative rules should be kept in mind.

Which Examinations Are Performed Before Gastric Bypass Surgery?

First of all, the following examinations and tests are applied to each patient before the surgery.

  • Blood Biochemistry tests
  • Hemogram
  • Hormone tests
  • Hepatitis tests
  • Whole abdominal ultrasound
  • Stomach endoscopy (with anesthesiologist)
  • ECG (Heart Graph)
  • Lung X-ray
  • Lung breathing test
  • Effort test and ECO (Electrocardiography) if required

After all these examinations, the necessary examinations and examinations are performed by Anesthesiology, Internal Medicine, Cardiology, Chest Diseases, and Endocrine specialists. As a result of these examinations, it is first checked whether the patient has any other underlying causes that may cause weight gain. If the error does not have a disease, the patient is examined in terms of anesthesia and whether there is an obstacle to the operation, like every patient who will be operated on. Relevant experts will advise on pre-operative treatments, if necessary. In this way, problems that may occur during and after surgery are minimized. In this process, the patient should follow the doctor’s advice.

How is gastric bypass surgery performed?

Gastric bypass surgery is performed as laparoscopic, ie closed surgery. In laparoscopic surgery, many small incisions are made and ports are placed through these incisions. These ports allow hand tools to reach the abdominal area. There is a surgical telescope connected to the video camera in the port placed in one of these incisions. The surgeon watches the operation on this monitor.

There are two steps during gastric bypass surgery:

The first step is to shrink the stomach. The surgeon divides the stomach into two, with the upper part and the lower part larger. The upper part of the stomach (pouch) is where the food has taken will go. This small part of the stomach is the size of a walnut and contains only 28 grams of nutrients. Therefore, when the patient eats less, he feels full and loses weight.

The second step is bridging: Surgeons shorten the absorption pathway of nutrients by removing part of the small intestine from the digestive system. The first part of the small intestine is bypassed, the second part attached to a small pouch formed in the stomach. Now, the food swallowed will enter this new pouch and then into the second part of the small intestine. As a result, most of the stomach and part of the intestine is removed from the digestive system after the operation. Because of the small stomach, patients bypass part of the small intestine, consuming less food and the body absorbs fewer calories.

Will the weight increase again after Gastric Bypass surgery?

It restricts food intake and nutrient absorption through gastric bypass. Almost 95% of the stomach, duodenum, and upper 1 meter of the small intestine are disabled, which is a medical bypass. Gastric bypass surgery can shrink the stomach by more than 90%. A normal stomach sometimes swells to 1000 ml. The size of the gastric bypass bag is 15 to 30 ml. The gastric bypass bag created in the least stretchable upper part of the stomach, so the bag’s volume does not increase significantly in the long run. When the patient eats a small amount of food, the first reaction is to stretch the wall of the stomach pouch and stimulate the nerves to let the brain know that the stomach is full.

The risk of gaining weight after skipping the surgery is weak. To make the most of this physiology, patients should only eat 2-3 meals a day and avoid snacking between meals. The operation also requires changes in eating habits acquired over a long period. Food volume did not increase in almost all cases of weight gain that reappeared in the later stages of surgery. The reason for weight gain is high-calorie snacks, especially between meals. There is no known way to eliminate the side effects of this eating habit.


Gastric Bypass surgery should be done by a specialist team. There are several very important issues at this point. The quality of the materials used is very important. These surgeries are performed in many places in the market, and there are different kinds of materials. The materials of the two leading American companies are the highest quality products currently on the market and used worldwide. However, their cost is much higher than Chinese products used for the same purpose. Moreover, safety is important to health, not cost. The operating room and hospital where the operation is performed must have certain equipment and standards. All branches need a sufficient number of intensive care beds and full-time doctors. Everything from the operating table to the hospital bed should be suitable for obese patients. Therefore, this procedure is not recommended to be done in every hospital.  Gastric bypass is not limited to surgery. It should have a support team available 24/7, including a specialist nutrition team.

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How Much is Gastric Bypass and What are My Financing Options?


The cost of gastric bypass surgery, as well as the answer to “how much is a gastric bypass?”, will vary depending on a variety of factors, such as the type of procedure you need and your geographic location. Be sure to research all available options and get quotes from multiple surgeons before making a final decision. It’s essential to find an experienced surgeon who has performed this procedure many times before in order to ensure the best results possible. Also, be sure to talk with your health insurance provider regarding coverage and any potential out-of-pocket costs. This can help save you money in the long run.

Gastric bypass surgery is a major surgical procedure that can have serious implications. Your doctor will be able to provide more detailed information regarding information on “what is a gastric sleeve?” and the potential risks of the procedure. It is important for anyone considering gastric bypass surgery to understand the risks associated with this type of surgery and what sort of postoperative care is necessary for successful outcomes. With the right information and resources, you can make an informed decision that is right for you. We hope this article was useful in answering “how much is a gastric bypass?”