Gastric Bypass

Gastric bypass has been one of the most commonly performed bariatric surgical (weight loss) procedures for the last several decades.

Gastric bypass surgery, also referred to as Roux-en-Y gastric bypass, is a minimally invasive procedure designed to limit a patient's food intake effectively. The surgery involves the creation of a small gastric pouch, followed by the connection of this pouch to a section of the small intestine. This rerouting of the digestive tract redirects the flow of food, bypassing a significant portion of the stomach and a portion of the small intestine.

The primary mechanisms behind weight loss after gastric bypass are twofold. Firstly, the surgery reduces the capacity of the stomach, which restricts the amount of food a person can eat in one sitting. Secondly, it alters the production of hunger hormones, leading to decreased appetite. Consequently, patients can anticipate significant weight loss and improvements in their overall health as a result of these combined effects.


On average, gastric bypass surgery can lead to a weight loss of approximately 60-70% of excess body weight within the first year after surgery. This percentage may vary, with some individuals achieving even higher weight loss, especially in the initial months.

Gastric bypass surgery can result in the resolution of type 2 diabetes in a significant percentage of patients. Studies have shown that approximately 70-80% of individuals with type 2 diabetes experience improvement or remission of their diabetes symptoms after gastric bypass surgery. Some may achieve complete resolution, while others may still need some level of management.

Weight loss from gastric bypass can lead to improved mobility, increased energy levels, and a better overall quality of life.

Long-term success with gastric bypass surgery involves maintaining a healthy weight for several years or even decades after the procedure. This is essential for preventing the recurrence of obesity-related health problems and ensuring continued overall well-being.

  • Gastric Bypass

    Gold standard
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