Mini-Gastric Bypass

Mini-Gastric Bypass (MGB-OAGB)

Mini-Gastric Bypass (MGB), also known as One Anastomosis Gastric Bypass (OAGB), is a minimally invasive weight-loss surgery designed to help patients with obesity and related health conditions. It combines the benefits of reducing food intake and limiting calorie absorption for effective long-term weight loss.

What Happens During The Surgery?

Creating a Smaller Stomach:

The surgeon creates a narrow, tube-shaped stomach pouch, similar to a sleeve gastrectomy. This reduces how much food you can eat in one sitting.

Bypassing Part of the Digestive System:

A section of the small intestine (usually 150–250 cm down) is connected to the new stomach pouch. This allows food to bypass the rest of the stomach and the first part of the small intestine, reducing calorie absorption.

Simplified Procedure:

The “one-anastomosis” refers to the single surgical connection between the stomach and the intestine, making the procedure shorter and less complex than traditional gastric bypass.

How Does It Help?

Creating a Smaller Stomach:

The surgeon creates a narrow, tube-shaped stomach pouch, similar to a sleeve gastrectomy. This reduces how much food you can eat in one sitting.

Bypassing Part of the Digestive System:

A section of the small intestine (usually 150–250 cm down) is connected to the new stomach pouch. This allows food to bypass the rest of the stomach and the first part of the small intestine, reducing calorie absorption.

Simplified Procedure:

The “one-anastomosis” refers to the single surgical connection between the stomach and the intestine, making the procedure shorter and less complex than traditional gastric bypass.

What Should You Know About Life After Surgery?

Diet Changes:

A structured diet, starting with liquids and gradually progressing to solids, is necessary. Long-term, you’ll need to focus on nutrient-rich, balanced meals.

Supplements:

Lifelong vitamin and mineral supplements (e.g., iron, calcium, and B12) are essential to prevent deficiencies.

Medical Follow-Ups:

Regular check-ups and blood tests are crucial to monitor your health.

Patient Transformations

Why Choose Mini-Gastric Bypass?

MGB is an excellent option for patients seeking effective weight loss, especially those with a “sweet tooth,” as it helps control sugar intake and reduces calorie absorption. It offers a shorter surgery time and simpler procedure compared to Roux-En-Y Gastric Bypass. However, it requires lifelong commitment to healthy eating, supplements, and follow-up care.

Is It Reversible?

While technically reversible, reversing the procedure is rare and can be complex. MGB is intended to be a permanent solution for weight loss.

Potential Risks

Bile Reflux: Since the procedure doesn’t include a separate pathway for bile, some patients may experience bile reflux, which can cause discomfort.

Nutritional Deficiencies: Skipping supplements can lead to deficiencies due to the reduced absorption of nutrients.

Dumping Syndrome: Eating sugary or fatty foods may cause symptoms like nausea, dizziness, or diarrhea.

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Mini-Gastric Bypass