The risks and complications of Gastric Sleeve can be divided into short-term and long-term risks. As this is a surgical procedure, it is associated with certain risks. However, thanks to today’s medical methods and the experience of doctors, the likelihood of such complications is very low.

Even the smallest surgical procedures harbour risks. Because an incision in the human body means a risk. However, it would not be wrong to say that these risks are very low due to the precautions taken. Almost thousands of obesity surgeries are performed every year and patients rarely experience such complications. Those that do occur are also eliminated through surgery.


Some risks and complications of gastrectomy occur directly during the operation. A large part of the risks are not related to Gastric Sleeve, but apply to almost all surgical procedures. The following complications can occur during the operation:

  • Damage to organs in the vicinity of the surgical site
  • Inaccuracies during the operation when cutting the veins
  • Damage to the nerves
  • Problems in connection with vascular access
  • Allergic reaction to anaesthetics
  • The operation, which began as a closed operation, becomes an open operation due to technical problems

The probability of complications and risks occurring here is less than 1%. And if many do occur, this problem can be solved very easily by intervening quickly with the patient.


Since the complications and risks that may occur during the operation are common to any surgical procedure, they cannot be considered risks of gastric sleeve surgery. Since the likelihood of intraoperative risks occurring is very low and the treatment is very simple, it would not be wrong to say that they are generally not considered by patients.

In addition to the risks during the procedure, there are also risks and complications that can occur in the post-operative phase. These can occur immediately after the procedure or within a few days. Here are these complications:

  • Infection at the incision sites
  • Haemorrhage
  • Swelling and redness
  • Life-threatening due to various causes
  • Blockage
  • Infection of the intestine
  • Inflammation of the urinary tract
  • Inflammation of the pancreas
  • Various cardiovascular problems such as cardiac arrhythmia and the like
  • Problems with the respiratory tract
  • Clots in the leg veins
  • Leakage in the staple suture

The complications that occur here are extremely serious. Although their occurrence is very unlikely, they should be taken into consideration. If they are detected, it is very important to intervene immediately and correct the problem. Patients should also contribute to the early detection of such problems by immediately reporting any changes they notice to their doctors.

One of the most serious risks is the occurrence of leaks in the staple suture, also known as the clasp suture. These leaks are manifested by fever above 38 degrees and abdominal pain. If such symptoms are detected, patients should inform their doctor directly.


Gastric Sleeve means a serious change to the digestive system. There are therefore long-term consequences, risks and complications. The long-term effects usually become apparent within a few months. Sometimes they can also occur over shorter or longer periods of time.

In the case of long-term complications, surgery is required. These interventions can be medical or surgical, depending on the nature of the problem. The long-term consequences of the intervention are as follows

  • Problems caused by malnutrition
  • Problems caused by insufficient salt and fluid intake
  • Constriction or blockage of the stomach
  • Formation of gallstones
  • Formation of hernias
  • Nutritional problems
  • Psychological problems
  • Hernia formation at the surgical site
  • Diseases of the liver

These are long-term risks with a very low probability of occurrence. However, patients should be aware of these risks. In the excitement of weight loss after surgery, they may not be noticed. It should not be forgotten that the problems can become bigger if they are not noticed.

Although Gastric Sleeve surgery carries many risks of complications, it is one of the most effective treatments available today. Although the risk of complications is low, it is much lower if an experienced surgeon is chosen.

The risks and complications of Gastric Sleeve are details that should be known. Although these details may seem a little scary, keep in mind that the likelihood of occurrence is low and the benefits of the surgery are great.

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