Stomach Reduction

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On this page you can choose the best doctors for Stomach Reduction in Germany and Austria. Our goal is to present you with the optimal selection of renowned doctors and their modern and gentle surgical and treatment methods when you are looking for specialists.

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Stomach reduction is an umbrella term for various surgical interventions aiming to reduce weight in severely overweight (obese) patients. 2020-03-12 Stomach Reduction
All you need to now about Stomach Reduction
Stomach reduction

Stomach reduction is an umbrella term for various surgical interventions aiming to reduce weight in severely overweight (obese) patients. There are different types of operations depending on the inclusion of other organs and the effectiveness of weight loss.

Bariatric surgery (from the Greek "báros": heavy, weight) is a special field of abdominal surgery. These surgeries aim to reduce weight in severely overweight patients. The purpose of all the operations is to reduce the volume of the stomach. In addition to stomach reduction, some further interventions are carried out in the intestine area.

Studies suggest that the achieved weight reduction not only has a cosmetic effect, but also favorably impacts the entire metabolism. For this reason, the operations are now often called "metabolic surgeries".

For example, the weight reduction drastically improves blood glucose levels in many diabetics. There are also evidences of its favorable influence on other diseases associated with obesity, such as hypertension or high blood lipid levels.

An operative treatment of obesity is usually considered only if sufficient weight reduction could not be achieved with other treatment methods. Stomach reduction, like any surgical procedure, carries certain risks and is not reversible. The operation should therefore be carefully considered.

In order to perform a stomach reduction, the following criteria should be met:

The following criteria speak against stomach reduction:

Stomach reduction methods

Today bariatric surgery (obesity surgery) offers a number of different surgical methods to treat obesity. All interventions are carried out under general anesthesia and can almost always be performed using minimally invasive techniques (keyhole techniques, laparoscopic surgery). Minimally invasive approach means that no large abdominal cuts are necessary. Instead, the instruments are brought into the abdominal cavity through three small incisions.

A small camera with integrated light source is introduced through one of the accesses cuts, using which the surgeon can see the operating area and the introduced instruments on a screen. The keyhole technique has following advantages: less tissue injury and faster healing process. The keyhole technique is sometimes impossible, when as the result of previous operations, the so-called adhesions are formed in the abdominal cavity.

In principle, one distinguishes between the so-called restrictive and malabsorptive surgical principles:

Restrictive principle implies the reduction of the stomach capacity (gastric reduction) though the intervention. Thus the patient feels full already after small portions of food. The reduced food intake achieved this way helps to lose weight steadily. In the case of malabsorptive procedures, however, the digestive tract is surgically altered to cause a malabsorption (absorption disorder) of food. This is achieved by delaying the break down of nutrients and thus reducing the available absorption area of the gastrointestinal tract. Thus the maximum amount of nutrients that can be absorbed into the blood decreases.

Efficacy of surgical stomach reduction procedures

The different techniques vary significantly in their efficacy and the severity of the operation. Efficacy is assessed primarily by the possible weight loss, more precisely, by the achieved excessive weight loss, EWL.

It does not refer to the total weight before the intervention, but only to the amount above the normal weight BMI limit of 25 kg/m². Thus, if the excess weight loss is 50 percent, it does not mean that the whole body weight has been halved, but that half of the excess body weight is gone.

A calculation example: if a patient has a BMI of 45 kg/m² before surgery, then the EWL is 20 kg/m² above the normal weight (= a maximum of 25 kg/m²). If this patient reaches a reduction of their BMI by 10 kg/m² and achieves 35 kg/m², this corresponds to a weight loss of 50 percent of the excess weight. In contrast to efficacy, however, it is possible to make assertions about the severity of the operation. The greater was the normal anatomy altered with the procedure, the more often serious complications occur. In general, people with obesity are always confronted with increased surgical risk.

The four most common operational procedures and their effectiveness:

In the Roux-en-Y gastric bypass and the biliopancreatic diversion, both effective principles are combined: the stomach is reduced and the food breakdown is delayed, too. Further information on all four procedures can be found on the corresponding pages.

A non-surgical procedure, the so-called gastric balloon, is a method where a mostly liquid-filled silicone balloon partially fills the stomach. It is performed not during an operation, but during a gastroscopy and therefore in the strict sense is not an obesity surgery.

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