Gastric Bypass (bypass surgery)

A gastric bypass is an operation in which the stomach is reduced in size and the digestive tract is rerouted. Literally, the term "gastric bypass" means a bypass of the stomach. People with a gastric bypass lose an average of 70 percent of their excess weight. Because part of the stomach is shut down, less hunger hormone is produced. As a result, you have a feeling of fullness faster when eating that also lasts longer. That helps you eat less and therefore you lose weight.

How is the operation performed?

After you have been put to sleep, the operation will begin. The surgeon will first take a good look at the inside of your abdomen. Then a piece of the stomach the size of an egg is stapled off. The rest of the stomach remains in place and is therefore not removed. The small intestine is connected to the reduced stomach. This creates a bypass (bypass) whereby the food only comes into contact with the digestive juices much later. In this way, 200-250 cm of intestine is skipped. Due to the other route of the food, the intestine produces hormones that have a beneficial effect on the feeling of hunger and satiety (how full you are). That helps to lose weight. We'll check everything again before the operation is over. When you wake up we have already closed all the wounds. You will not notice anything about the operation itself.

Difference with Gastric Sleeve

The operation also involves the intestines

Nothing is removed, everything remains in place

Slightly better weight loss in the long run

Better results in people who have diabetes

Less complaints of acid reflux

Slightly more shortages of vitamins and minerals

Differences with the Mini Gastric Bypass

There is longer experience with the classic gastric bypass compared to the mini bypass. Long-term results are widely known and show good results

Less chance of heartburn (reflux)

Technically, the classic gastric bypass is slightly more difficult, because one more connection is made compared to the mini bypass

Watch the video

Watch the video explanation below about the Gastric Bypass treatment by our gastrointestinal surgeon Dr. Frits Berends.

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Customer experiences

Read all experiences

Customer: Rita
Procedure: Gastric bypass
My name is Rita. After 30 years of doing all the diets I was done with all that crash and yo-yo life. It was time to really choose myself, so I went to the doctor and received a referral letter for the Dutch Obesity Clinic. That's where I started the process... Read more
Customer: Kimberly
Procedure: Mini Gastric bypass
I walked into another clinic but heard about WeightWorks so I took the plunge and contacted them purely because it's in my own hometown. I was able to go to WeightWorks very quickly.... Read more
Customer: Nicole
Procedure: Mini Gastric bypass
After battling the necessary kilograms all my life, I went to the doctor in 2020 to discuss options for losing weight. I had already had all dieticians in the area, I knew every gym in the area inside and out, but I still remained overweight... Read more
Customer: Wendy & Thanas
Procedure: Gastric Bypass and a Mini Gastric Bypass
After years of fighting the kilos, we have made the decision to go for weightloss surgery. At first we went to NOK, but via via we ended up at WeightWorks. Fortunately, after we called for information, we were able to get in quickly... Read more
Customer: Ilona
Procedure: Mini Gastric Bypass
On December 21, 2021 I walked into WeightWorks full of nerves. What kind of people are they, what can I expect, will I be approved? Once inside, all nerves went away because of the great team of employees. I was immediately put at ease and the conversation went very smoothly... Read more
Customer: Menno
Procedure: Gastric Bypass
February 14, the day of the operation, I am warmly welcomed and shown around. I am still allowed to freshen up in my room and dress myself. I am picked up and moved to the OR. Here the surgeon explains everything calmly... Read more
Customer: Kimberly
Procedure: Mini Gastric bypass
How did I get to this path? I walked into another clinic but heard about WeightWorks so I took the plunge and contacted them anyway, also purely because it is in my own hometown. I was able to go to WeightWorks very quickly.... Read more
Customer: Debbie
Procedure: Gastric bypass
After the diagnosis of diabetes and again failing diet attempts, I made the choice for a weightloss procedure. At WeightWorks Clinic I immediately felt taken seriously. The surgeons are sweet, accommodating and above all very knowledgeable.. Read more

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Our specialists

The WeightWorks specialists are fully dedicated to weightloss surgery and the treatment of overweight. Dr. Edo Aarts, Dr. Frits Berends, Dr. Kevin Göttgens and Dr. Gabor Abis have performed more than ten thousand weightless procedures and guided many more people to a healthy weight. In addition, they publish many scientific articles about weightloss surgery. The WeightWorks clinic is specially built and equipped for this type of surgery. Together with the WeightWorks team, they ensure that you receive the very best treatment and aftercare.

WeightWorks Frits Berends Gastrointestinal surgeon

Dr. Frits Berends, MD PhD
Gastrointestinal surgeon

WeightWorks Edo Aarts Gastrointestinal surgeon

Dr. Edo Aarts, MD PhD
Gastrointestinal surgeon

WeightWorks Kevin Göttgens Gastrointestinal surgeon

Dr. Kevin Göttgens, MD PhD
Gastrointestinal surgeon

WeightWorks Gabor Abis Gastrointestinal surgeon

Dr. Gabor Abis, MD PhD
Gastrointestinal surgeon