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Gerfried Teufelberger

Dr. Gerfried Teufelberger

Medical author
Muri Hospital

Editorial Contributions


Bariatric surgery for overweight and obesity

Obesity surgery is a speciality of visceral surgery and is also called bariatric surgery. This medical specialty includes all surgical measures to combat obesity. Interventions in obesity surgery are in most cases only performed on the stomach tract, but in individual cases they can also extend to t...

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Bariatric surgery

Bariatric surgery and metabolic surgery refer to surgical procedures to support weight loss in cases of severe overweight (obesity). Surgical therapy should only be considered if conventional weight loss measures are unsuccessful or if severe weight-related secondary diseases are already present. Fr...

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Gastric sleeve surgery

The sleeve gastrectomy or gastric sleeve surgery is an surgical therapy in which the stomach volume is reduced. The surgeon removes most of the stomach, leaving only a tubular rest. As a rule, the stomach volume is reduced to between 85 and 150 ml. As a result, the patient can only eat a small amoun...

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Gastric balloon

A gastric balloon is a silicone balloon filled with a liquid or air that is inserted into the stomach. It ensures a quicker feeling of satiety during food intake.

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Gastric band

With the help of a gastric band, people who suffer from severe overweight (obesity) can lose weight more easily. An adjustable silicone band is placed around the upper part of the stomach to create a small upper gastric pocket. The food accumulates there and is only slowly transferred to the lower s...

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Gastric bypass

The gastric bypass is a surgical procedure in bariatric surgery. According to WHO criteria, obesity is diagnosed when the BMI is 30 or more. It is used for weight reduction in cases of extreme overweight - so-called obesity permagna or morbid obesity (BMI over 40). Further information can be found b...

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Gastric pacemaker

In some centers specializing in bariatric surgery, people suffering from overweight or obesity can get a so-called gastric pacemaker. To a certain extent, this is a built-in mini-computer for permanent weight loss.

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Sleeve gastrectomy

Stomach reduction is an umbrella term for surgeries that can be performed in patients with obesity to reduce the volume of the stomach and thus stop excessive calorie intake. For overweight patients who meet the criteria for stomach reduction, the risk of surgery is low compared to the long-term eff...

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The chronic disease of obesity is not the same as a little overweight in problematic areas. Obesity is defined as a body mass index (BMI) above 30. Currently, about 18% of men and 20% of women in Germany and Switzerland are obese. With the development of obesity, the risk of accompanying diseases su...

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