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Mini Gastric Bypass

Mini Gastric Bypass

Bariatric surgery is not the easiest option, often the only one, for people with a high body mass index and comorbidities caused by it.

Mini Gastric Bypass

iVF Riga clinic surgeon Vjačeslavs Popkovs offers patients a modern alternative to the traditional Gastric bypass procedure called Mini gastric bypass surgery. The operation is performed with laparoscopic technique and is also known as the Single anastomosis gastric bypass.

During the Mini gastric bypass surgery, approximately 25% of the stomach is separated from the rest of the stomach and the remaining "new stomach" is attached to the small intestine over a new surgical connection. After surgery, most of the stomach and about one-third of the small intestine (1.5 - 1.8 m) are "bypassed", meaning they are no longer involved in the process of digestion or absorption of the food eaten.

The Mini Gastric Bypass method helps achieve long-term weight loss in two ways: when you eat, your small stomach fills up quickly, signaling to your brain that you feel well-fed with smaller portions of food; food bypasses part of the intestine, which limits food absorption.

Why choose Mini gastric bypass instead of traditional Gastric bypass?

The Mini Gastric Bypass procedure is a simplified version of the traditional procedure that involves one anastomosis (connection) of the intestine to the stomach instead of two.

What are the benefits of Mini gastric bypass?

  • less invasive
  • can be performed with a higher body mass index and more serious comorbidities
  • reduced operation time
  • shorter recovery period
  • reduced risk of bleeding

For these reasons, Mini Gastric Bypass is becoming an increasingly popular method as an alternative to Gastric bypass. Patients lose up to 75% of their overweight on average, and most of it within the first year.

Preparing for surgery

The patient must undergo health checks before surgery (blood tests, electrocardiogram, abdominal ultrasound, chest X-ray, fibrogastroscopy, anaesthesiologist consultation).

The surgeon will prescribe to exclude carbohydrates from the menu three to four weeks before surgery, basing your diet on protein. The goal is to lose some fat in the abdomen and liver so the operation is safer.

You should not eat or drink anything for 12 hours before surgery. This is necessary for the stomach to be empty during the procedure. Food or liquid left in the stomach during surgery can cause unpleasant or even dangerous side effects.

Postoperative care

The hospital stay after surgery is two to three days. The patient must strictly adhere to his menu, which is specifically designed after bariatric surgery.

The patient will have to undergo examinations after surgery – blood tests (1 month, 3 months, 6 months; 2 times a year). We monitor the progress of the patient's weight loss, associated health conditions and all possible side effects of surgery. In addition, it is important for the patients to take good care of themselves and follow the necessary postoperative lifestyle recommendations in order to maintain their health and lose weight.

Is it necessary to follow a diet after Mini gastric bypass?

Strict dietary guidelines will need to be followed in the short term. After a few months, the patient will be able to switch to normal healthy food, but still have to choose meals wisely. Since the patient will not be able to eat as much as before, he will need to make sure that what he eats is nutritious enough to provide enough energy. Vitamins will need to be taken if necessary.

If you have any questions or need additional information, call +371 27331393 or write to


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