Mini-Gastric Bypass Weight Loss Surgery Sydney

Procedure

The mini-gastric bypass (MGB) consists of a long, narrow lesser curvature gastric pouch beginning below crow’s foot, extending lateral to the oesophagogastric junction, with a wide anastomosis to an antecolic jejunal loop at a point about 200 cm distal to Treitz’ ligament, providing malabsorption.

The operation is brief, simple and safe, has provided reliable weight loss, and is now being increasingly performed. If needed, the anastomotic site can be easily adjusted for body mass index (BMI), so as to influence the amount of weight loss induced.

It is easily reversed or revised as needed. It has now been shown in short- and long-term studies that MGB results in excellent weight loss, good resolution of co-morbidities and high levels of patient satisfaction .

The power of the MGB comes from the fact that it has restrictive and malabsorptive components; additionally it produces hormonal changes and also lowers the patient’s bile acid pool.

Why was the mini-gastric bypass created?

Mini gastric bypass or omega loop bypass surgery was created to cut operating time, streamline and simplify the procedure, and minimise the risk of complication.

Why doesn’t everyone choose mini-gastric bypass?

Mini-gastric bypass is not for everyone. It is a newer variation on the classic Roux En Y gastric bypass with similar benefits and results. What’s more, many bariatric surgical providers and practices do not offer or have not been trained to perform mini lap band surgery.

It’s also worth noting that different types of weight loss surgeries are suitable for different types of patients. You can learn more over on our blog, by visiting our FAQ page, or by scheduling a consultation with one of our experienced Sydney-based team members.

What are the steps in mini-gastric bypass?

A mini sleeve gastrectomy involves the following three steps:

  1. The stomach is divided into two portions with a laparoscopic stapler. The stomach becomes much smaller and tube-shaped.
  2. Between 150-200cm of intestines are bypassed. The remainder is attached to the new stomach.
  3. Food now enters into the small stomach, bypasses a section of intestines, and then resumes the natural digestive process.

What are the benefits of mini-gastric bypass compared to gastric bypass surgery?

If you are considering MGB surgery in NSW or across Australia, you could experience the following benefits:

  • Similar potential weight loss and recovery time
  • Fewer connection points between intestines, which could result in a reduced risk of complication
  • A shorter operating time

What are the additional risks with mini-gastric bypass compared to gastric bypass?

All surgeries – including mini-gastric sleeve surgery – carry risk. It’s vital to research extensively and learn as much as you can about the procedure and those that perform it. 

The top risk associated with mini-gastric bands is ulceration and bile reflux.

How long does it take to recover from mini-gastric bypass surgery?

Patients are usually required to sleep 2 nights in hospital.

Should you choose to have a mini-gastric bypass?

This depends on your goals and limitations. Talk to your doctor to find out whether or not a mini bypass procedure is right for you.

Diagram

Mini Gastric Bypass

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