What You Need to Know About Gastric Sleeve Surgery Gastric sleeve surgery, also known as sleeve gastrectomy, is one of the most commonly used surgical methods for treating obesity. By reducing the stomach's capacity, the procedure aims to help patients feel full with less food and lose weight over the long term. How Is Gastric Sleeve Surgery Performed? The operation is usually performed laparoscopically (using a minimally invasive technique) under general anesthesia. Approximately 75–80% of the stomach is removed, and the remaining portion is shaped into a tube. The structure of the intestines is not changed during the procedure. However, the removed portion of the stomach cannot be restored. Who Is Eligible? Gastric sleeve surgery is generally considered for: - People with a body mass index (BMI) of 35 or higher - Patients with a BMI of 30–34.9 who meet appropriate medical criteria - People with obesity-related diabetes, hypertension, or sleep apnea - Patients who can adapt to lifestyle changes after surgery The decision to proceed with surgery should be based on a comprehensive assessment by specialist physicians. Advantages of Gastric Sleeve Surgery - Feeling full with smaller portions - Supporting long-term weight loss - Potential improvement in conditions such as type 2 diabetes and high blood pressure - Usually performed using a minimally invasive technique - Potential improvement in mobility and quality of life Recovery After Surgery Patients are generally monitored in the hospital for a few days. Nutrition begins with liquids, followed by pureed and soft foods. The transition to a regular diet takes place gradually according to the recommendations of the doctor and dietitian. Regular exercise, healthy eating, monitoring of vitamin and mineral levels, and medical checkups are important for lasting results. Are There Risks Associated with Gastric Sleeve Surgery? As with any surgical procedure, gastric sleeve surgery involves certain risks. These may include bleeding, infection, leakage from the stomach staple line, reflux, and vitamin or mineral deficiencies. Therefore, it is important that the operation is performed by an experienced surgical team and that the patient receives long-term follow-up care. Gastric Sleeve Surgery in Türkiye Türkiye offers treatment options for international patients through modern hospitals and specialist teams providing bariatric surgical services. As part of medical tourism, patients may receive preoperative assessment, surgical treatment, hospital monitoring, and nutritional counseling. When choosing a hospital, priority should be given to the surgeon's experience, patient safety, and postoperative follow-up services. Conclusion Gastric sleeve surgery is a surgical treatment for obesity that can provide effective weight loss in suitable patients. Appropriate patient selection, an expert surgical team, and healthy lifestyle habits are essential for successful and sustainable results.