What is Gastric Sleeve (Sleeve Gastrectomy)?

Scientific and transparent information regarding a surgical method used in obesity treatment.

Gastric sleeve surgery is an obesity surgery method applied by surgically removing a large portion of the stomach. The aim is to reduce food intake by shrinking the stomach volume and to support weight control. Additionally, the procedure removes the section of the stomach responsible for producing the hunger hormone ghrelin, which significantly decreases appetite and increases feelings of satiety. Consequently, this leads to improvements in obesity-related conditions such as type 2 diabetes and hypertension, promoting overall better health.

parallax background

Gastric Sleeve Surgery

Gastric sleeve surgery (Sleeve Gastrectomy) is a surgical procedure performed by removing approximately 75–80% of the stomach. The stomach takes the shape of a narrow tube (sleeve), which leads to:

  • Early Satiety: Achieving a feeling of fullness with much smaller portions of food.

  • Hormonal Balance: A potential reduction in the secretion of the hunger hormone (ghrelin).

  • Effective Weight Loss: Significant support for the overall weight loss process.

This method is an irreversible surgical procedure and is only performed on eligible candidates who meet the necessary medical criteria.

 

Who is a Candidate for Gastric Sleeve Surgery?
Gastric sleeve surgery is not suitable for everyone. Generally, the following criteria are considered during the evaluation process: Individuals with a BMI ≥ 35 who also suffer from obesity-related comorbidities (such as type 2 diabetes, hypertension, or sleep apnea). Individuals who have been unable to achieve permanent weight loss through previous diet and lifestyle changes. Patients who are capable of adhering to the surgical and post-operative requirements. Eligibility is determined only after a comprehensive evaluation by a qualified physician.
How Does the Surgery Process Work?
Pre-Operative Preparation: A comprehensive health screening is conducted, including blood tests, imaging, and consultations with specialists (such as nutritionists and cardiologists). The Procedure: The surgery is performed under general anesthesia using the laparoscopic (closed) method. Small incisions are made to remove a large portion of the stomach and reshape it into a tube. Duration: The operation typically takes between 45 to 90 minutes, depending on the patient's anatomy. Hospital Stay: Patients usually stay in the hospital for 2 to 3 days for monitoring and to ensure a smooth transition to the liquid diet.
Potential Benefits of Gastric Sleeve Surgery
Rapid and Effective Weight Loss: Patients typically lose a significant portion of their excess weight within the first year. Resolution of Co-morbidities: Significant improvement or complete remission in obesity-related issues such as Type 2 Diabetes, hypertension (high blood pressure), and sleep apnea. Appetite Control: Since the hunger-stimulating hormone Ghrelin is reduced, patients experience fewer cravings and better portion control. Enhanced Quality of Life: Increased physical mobility, higher energy levels, and improved psychological well-being. Long-term Health: A decrease in the risk of cardiovascular diseases and certain types of cancer associated with obesity.
Gastric Sleeve Surgery Risks and What You Need to Know
Gastric Sleeve Surgery: Key Risks and Essential Considerations Gastric sleeve surgery is a powerful medical intervention for weight loss, but understanding its risks is vital for a safe transformation. While modern techniques have made the procedure highly safe, potential short-term complications such as staple line leaks, infection, or blood clots still require professional monitoring. Because the surgery permanently removes a significant portion of the stomach, patients must be fully prepared for an irreversible lifestyle change. Long-term success involves managing possible side effects like acid reflux (GERD) or nutritional deficiencies through strict adherence to medical guidelines. Maintaining health after the gastric sleeve procedure requires a lifelong commitment to daily vitamin supplements and a disciplined, protein-rich diet. At Nivpark Hospital, our multidisciplinary approach ensures you are supported through every stage, minimizing risks and maximizing your journey toward a healthier future.