By Bahar Ozbal • Medical review by Ahmet Turkcapar, MD on February 04, 2021

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Sleeve Gastrectomy

It is the result of a sleeve gastrectomy performed by Mustafa Atabey, MD. For reference purposes only, results may vary.

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& All About Sleeve Gastrectomy

Sleeve gastrectomy (also known as Gastric Sleeve surgery) is a type of bariatric surgical procedure that is performed by removing a large portion of the stomach to create a smaller, tube-shaped stomach or sleeve.

By the help of the Sleeve gastrectomy surgery the individuals stomach will get smaller which helps to limit the amount of food that a person can eat at one time.

The smaller new size of the stomach results in a feeling of fullness after consuming smaller portions. Additionally, the surgery may also cause changes in gut hormones that can help reduce hunger and improve blood sugar control.

Sleeve gastrectomy is a major surgical procedure and should only be considered after other weight loss efforts have been tried and failed.

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The individuals who have a body mass index (BMI) of 40 or higher, or those with a BMI of 35 to 39.9 with obesity-related health conditions, such as type 2 diabetes, high blood pressure, or sleep apnea might want to get Sleeve Gastrectomy. 

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  • Both men and women who is age is between 18 and 65,

  • The ones who is body mass index (BMI) is over than 35 or more,

  • The ones who is body mass index (BMI) is over than 40 or higher and 100 pounds overweight,

  • The ones who have obesity-related major comorbidities such as type II diabetes (T2DM), hypertension, sleep apnea and other respiratory disorders, non-alcoholic fatty liver disease, osteoarthritis, lipid abnormalities, gastrointestinal disorders, or heart disease...

  • The individuals who have tried and failed substantial effort to reduce weight by lifestyle and diets may be the right candidates for Sleeve Gastrectomy (Gastric Sleeve Surgery).

For a safe and successful sleeve gastrectomy procedure the individuals must also get prepared for the surgery.

Before undergoing sleeve gastrectomy, the individual's will need to undergo a thorough medical evaluation to assess the overall health and any existing medical conditions. Medical evaluation involves; blood tests and monitoring; if needed consultations with other healthcare providers...

In some cases, to reduce the risk of complications during and after the procedure the individuals may be asked to lose some weight prior to surgery. The healthcare provider will make some advises on the amount of weight loss required and provide guidance on how to achieve it.

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Smoking can increase the risk of complications during and after surgery so the individuals will be asked to quit smoking at least several weeks before the surgery.

Prior to surgery, the individuals may be required to make changes on their diet and exercise habits to improve the overall health and prepare the body for the surgery.

Before and after the surgery the individuals will need extra support. To prepare the body for the surgery the individuals may be ask to start to take some certain supplements or medications.

As any other surgery sleeve gastrectomy procedure is also unique for each individual. The healthcare provider will provide some specific instructions on how to prepare for the surgery, including when to stop eating and drinking prior to the procedure, what medications to take, and what to expect during and after the surgery.

Before Sleeve Gastrectomy surgery the individuals will be required to fast for a certain period of time, typically at least 8-12 hours. This is required to ensure that the stomach is empty and reduce the risk of complications during the surgery.

The individual's have to stop taking some certain medications, such as blood thinners or nonsteroidal anti-inflammatory drugs (NSAIDs), several days before the surgery to reduce the risk of bleeding.

Also the healthcare provider may consider to give medication to help prevent nausea and reduce the risk of infection before the surgery.

Prior to the surgery, anesthesia will be given to ensure that the individual's are asleep and do not feel any pain during the procedure.

The surgeon may mark the site of the surgery on the individuals abdomen to ensure that the incisions are made in the correct location.

The Sleeve Gastrectomy can usually be performed laparoscopically. Laparoscopic surgery is a minimally invasive surgical technique that allows the surgeon to operate through several small incisions.

The procedure typically takes between 1-2 hours and is performed under general anesthesia. The following is a general overview of the steps involved in sleeve gastrectomy:

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  • The fist step of the procedure is performing several small incisions in the abdomen to access the stomach.

  • Through the incisions the surgeon will reach the stomach by a laparoscope, a small camera and specialized surgical tools.

  • The surgeon will then remove the 75-80% of the stomach by leaving behind a narrow, tube-shaped stomach.

  • The remaining portion of the stomach will be stapled which creates a smaller, sleeve-shaped stomach. The stapling also helps to prevent bleeding and leakage.

Once the surgery is complete, the surgeon closes the incisions with sutures or surgical staples.

After the surgery, the individual will be monitored closely to ensure that there are no complications. Most patients stay in the hospital for 1-2 days before being discharged.

It is common to experience some pain and discomfort after the surgery, don't worry pain can be manageable with prescription pain medication.

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In the weeks and months following the surgery, the individual's will need to follow a special diet to ensure that the body receives the nutrients it needs to heal properly.

After Sleeve Gastrectomy the healthcare team will provide specific instructions on what and how much to eat.

After Sleeve Gastrectomy as the individual's start to  recover, the exercise program will gradually increase starting with light walking and progressing to more intense exercise as your body allows.

The individual's have to attend regularly to follow-up appointments. This is required to monitor the progress and ensure that you are healing properly.

After Sleeve Gastrectomy it's important to make permanent lifestyle changes to support the weight loss goals and improve the overall health.

The cost of sleeve gastrectomy can vary widely depending on several factors, such as geographic location, healthcare provider, insurance coverage and/or pre-existing medical conditions...

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In general, the cost of sleeve gastrectomy can range from $10,000 to $25,000 or more, depending on the special factors.

Sleeve Gastrectomy recovery period usually takes 2 to 4 weeks. All patients are encouraged to walk as early as 3-4 hours after surgery. In general, the pain is easily manageable after surgery. Discharge occurs after 2-3 nights hospital stay. All patients must take multivitamin and B complex after surgery.

Returning to normal activities such as going back to work and/or school takes 2 to 4 weeks in general but changes from person to person.

First 2 weeks patients have to go on a special diet called liquid diet. First day after the surgery is a clear liquid diet, starting from the 2nd day to the 14th day a full liquid diet including protein shakes, yogurt, broth, milk, and juice are required.

During the first 2 weeks because of the low calorie intake from liquid diet fatigue is common however feeling hunger is not.

Weeks between 3-5 turning to a soft food diet, the energy level improves quickly.

After 5 weeks patients can begin to eat regular food.  It is important to eat a small amount of food each time and have meals that are more frequent.

Time for full recovery starts by 3 weeks after surgery, patients will be able to begin exercising 5 weeks after surgery.


  • Sleeve Gastrectomy procedure restricts the amount of food the stomach can hold,

  • Sleeve Gastrectomy provides weight loss of >50% for 3-5+ year data,

  • Sleeve Gastrectomy involves a relatively short hospital stay of approximately 2 days,

  • Sleeve Gastrectomy causes positive changes in obesity-related major comorbidities that suppress hunger, reduce appetite and improve satiety,

  • Another advantage of Sleeve Gastrectomy is that no foreign material (such as the stomach band) is placed in the body and no change is made in the inner and outer part of the stomach.

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  • Sleeve Gastrectomy is a non-reversible procedure,

  • After surgery long-term vitamin deficiencies are potential.

  • As your body adapts, you may experience side effects such as; feeling cold and tired, dry skin, mood changes, muscle aches and fatigue, hair thinning and loss.

During the sleeve gastrectomy surgery, the individuals will be given general anesthesia, which means they will be asleep and will not feel any pain.

After the surgery, it s common to experience some pain, swelling, or discomfort in the abdominal area. You may also have some incision pain or soreness in the throat from the breathing tube used during the surgery. Pain and discomfort can usually be managed with pain medication, which your healthcare team will provide.

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If you experience severe pain or any concerning symptoms, it's important to contact your healthcare provider right away.

Overall, while some discomfort and pain may be expected after sleeve gastrectomy, it is typically well-managed with appropriate pain management techniques, and the benefits of the procedure often outweigh the temporary discomfort.

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Sleeve gastrectomy can be performed at any time of the year. The decision of when to have the surgery is usually based on the individual's schedule and preferences.

Sleeve gastrectomy is a permanent surgical procedure and it is not reversible.The exact duration of weight loss may vary depending on the individual's starting weight, health status, and other factors.

Written on 01/01/2018


Last Update: 20/10/2023

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