Gastric bypass

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 Gastric bypass

Turkey’s leading clinic – Istanbul


Gastric bypass surgery is one of the most popular surgeries for obesity and weight loss. This surgical procedure is performed at the XA Clinic in two main steps:

Stage one: This is done by dividing the stomach into two chambers, an upper chamber called (gastric sac), which will take in food and redirect it to the small intestine without passing through the duodenal ducts; Where he gets a small amount of food, about 30 grams.

The lower chamber is the largest and connects to the isolated part of the duodenum to reconnect with the small intestine. This step aims to reduce the size of the stomach and thus reduce the amount of food consumed.

The second stage is the process of isolating the lower chamber and duodenum, which reduces the secretion of certain intestinal juices and appetite-inducing hormones such as ghrelin, thereby reducing appetite and stimulating satiety when eating small amounts of food.

This step will help type 2 diabetics avoid sugar intake and thus maintain blood sugar levels.

Who is Gastric Bypass Surgery Suitable for?


There are many steps a patient needs to take and steps a patient needs to go through before deciding to undergo this operation, since these criteria determine the degree of patient approval of this operation; Here are some of the things that may require gastric bypass surgery:

  1. BMI ≥40 or overweight over 45 kg.
  2. BMI ≥ 35 and is associated with one or more chronic problems such as high blood pressure, type 2 diabetes, vascular and heart disease, osteoporosis, and elevated blood lipids.
  3. Several previous attempts to lose weight through diet and exercise by nutritionists and bariatricians have failed.

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Everything You Need to Know About Gastric Bypass Surgery

The stages of gastric bypass surgery can be divided into three main stages:

Preoperative procedures:

  1. The doctor first requests a medical examination before scheduling an operation date to avoid any risks that may arise during or after the operation.
  2. The patient’s medical history is carefully reviewed and the usual dosage of medication is adjusted for the patient if he or she has some chronic illness or is taking any anticoagulants.
  3. Stop taking all tobacco products 4 weeks before surgery, so as not to reduce the body’s ability to recover.
  4. Eat a low-calorie, high-protein diet 2-3 weeks before surgery to reduce the amount of fat around the liver to help the body heal and increase the likelihood of success.
  5. Do not eat 8 hours before surgery.

Laparoscopic Gastric Bypass Procedures:

  1. The operation is performed under general anesthesia after an initial check of vital signs.
  2. The doctor makes several simple incisions that do not exceed 2 cm around the abdomen, where the endoscope and surgical instruments are inserted.
  3. The stomach is divided into two parts: the simple upper part, which is fixed with medical stitches and called (gastric pocket), where it is small in size to accept food coming directly from the mouth and only takes 30 grams of food and liquid.
  4. The doctor connects the upper stomach to the small intestine at a distance of 100 to 150 cm from the front of it – to bypass the part responsible for the secretion of satiety hormones and reduce the absorption of sugars and fats in this part – where he connects them with surgical sutures and staples preventing leakage of intestinal juice and food. Then a new alimentary canal forms.
  5. The lower part of the stomach is held together with staples and attached to the separated anterior part of the small intestine, where it is sutured again and connected to most of the small intestine.
  6. The doctor checks to see if the new intestinal ducts are plugged in and if there is any leaking digestive fluid.
  7. The incisions are sutured with a cosmetic method, then the anesthesia is discontinued and the patient is transferred to his room.

Recovery period after gastric bypass surgery:

  1. After the operation, the patient spends two to three days in the hospital for observation and confidence in the success of the operation.
  2. These days, you may feel tired, nauseous, loss of appetite, bloating, which are normal, and will go away with some of the medicines prescribed by your doctor.
  3. Some light activities are performed with the help of medical personnel, such as standing by the bed, simple walking, and deep breathing exercises in the first days after surgery to maintain healthy circulation and speed up the recovery process.
  4. After making sure that the operation is successful and that there are no side effects, the doctor decides whether the patient is ready to leave the hospital and draws up a detailed treatment and nutrition plan to be followed at home.
  5. The patient remains on liquid food for 2-3 weeks after surgery, after which he is allowed to eat light and then regular food.
  6. Make regular appointments with your doctor to monitor the progress of your surgery. The first visit occurs within 10-20 days after surgery, then after two to three months, then every six months, then a regular annual visit.
  1. Feeling tired is normal when you are doing normal activities, such as walking for short distances.
  2. It is necessary to walk regularly and gradually increase the distance so that these symptoms disappear within a few weeks after surgery.
  3. Water should be taken at a rate of 1.5 to 2 liters per day, divided into small doses, to speed up the healing process and prevent vomiting and nausea.
  4. Some side effects must be monitored with caution, such as high body temperature, increased pain in the area of ​​surgery and no improvement after taking prescribed analgesics, and nausea that can last for 12 hours. If these symptoms appear, you should immediately consult a doctor.

Gastric bypass surgeries are considered to have high success rates because efficacy is measured according to outcomes in subsequent years; The operation is considered successful if, during the first two years of operation, its weight is reduced by 50% of the weight before the operation.

The degree of success depends on the extent to which the patient follows a healthy lifestyle and the doctor’s prescriptions after surgery, from proper diet and consistent exercise to regular and doctor visits to monitor the progress of the surgery.

According to a study of 1,156 people, including 418 people who underwent this procedure, the success rates are over 90% over 12 years of follow-up, where the results range from 50% weight loss to improvement. up to 80%.

Diseases associated with chronic obesity such as type 2 diabetes, high blood pressure, high levels of unhealthy blood fats, in addition to the psychological improvement seen in patients; This forces them to persevere in a new healthy lifestyle in order to achieve more successful results.

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