Gastric bypass is a procedure used for treatment of morbid obesity, that is, obesity which has become life threatening for the patient.
Weight loss is almost instant and extremely dramatic. However, it is often accompanied by other health problems. This procedure means the patient has to instigate key lifestyle changes. In many cases, patients may have tried several diets without success.
Key Points Relating to Gastric Bypass
A Gastric Bypass means the stomach is divided into two areas, a smaller area and a larger one, in order that food is able to bypass part of the stomach. Thereby the functional volume of the stomach is decreased, as patients end up eating lesser quantities of food. Post surgery the stomach is just 30ml, as opposed to 400ml before surgery.
The three main kinds of Gastric Bypass surgery are Roux-en-Y (proximal), Loop and Roux-en-Y (distal). Each type has distinct characteristics, with varied amounts of the small bowel left intact. Roux-en-Y (proximal) is used more nowadays as it leaves a greater proportion of the small bowel and enables the patient to absorb a greater quantity of nutrients.
Practically, patients feel full extremely quickly, frequently after a few mouthfuls. The upper part of the stomach is not particularly stretched. Therefore, there ought to be no reason to re-operate. Patients may find themselves vomiting should they eat quickly. Hence, the patients' healthy eating habits are critical.
Who is the Gastric Bypass for?
A Gastric Bypass is usually for patients who have been diagnosed as morbidly obese. This normally means that the patients have a BMI of 40 or more.
Risks Related to Gastric Bypass
- 40% of patients experience complications due to gastric by pass.
- Further problems include hernias, haemorrhages and bowel obstruction.
- It is of paramount importance to have a full consultation with doctors prior to making any decision.
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