How Does Gastric Sleeve Surgery Work?

How Does Gastric Sleeve Surgery Work?

Gastric sleeve surgery works by reducing the size of the stomach and altering the hormonal signals related to hunger and satiety. Here's how the procedure works:

1. Reduction of stomach size: During the surgery, the surgeon removes a large portion of the stomach, leaving behind a small, sleeve-shaped stomach. The removed portion of the stomach is typically about 75-80%, resulting in a significant reduction in stomach capacity.

2. Restriction of food intake: The smaller stomach restricts the amount of food that can be consumed at one time. This leads to a feeling of fullness and satisfaction with smaller portion sizes. The reduced capacity helps individuals eat smaller meals and promotes portion control.

3. Hormonal changes: The surgery also has an impact on hormonal signaling related to hunger and satiety. The removed portion of the stomach, which is responsible for producing the hunger hormone ghrelin, is significantly reduced. This leads to a decrease in appetite and cravings, making it easier for individuals to adhere to a reduced-calorie diet.

4. Weight loss: With the smaller stomach size and decreased appetite, patients typically consume fewer calories, resulting in weight loss. The extent of weight loss varies among individuals, but most patients can expect to lose a significant amount of excess weight within the first year or two after surgery.

Consider this gastric sleeve surgery is not a standalone solution for weight loss. It works best when combined with long-term lifestyle changes, including a healthy diet, regular exercise, and behavior modification. These changes are crucial for sustainable weight loss and overall health improvement.

Additionally, gastric sleeve surgery does not interfere with the absorption of nutrients in the small intestine, unlike some other weight loss procedures such as gastric bypass. This means that patients can typically maintain a more normal diet and do not require as many nutritional supplements. However, it is still important for patients to follow a well-balanced diet and receive regular medical monitoring to ensure proper nutrition.

It's essential to consult with a healthcare professional who specializes in bariatric surgery to discuss the specific details, potential risks, and benefits of gastric sleeve surgery based on your individual circumstances.

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