Bariatric surgery is performed when diet and exercise do not work or when there are serious health problems due to being overweight. Some procedures limit how much you can eat. Other procedures work by reducing the body’s ability to absorb nutrients. Some procedures do both. Dr. Nerijus Kassel will advise you on the most suitable procedure.
GASTRIC BYPASS SURGERY
The laparoscopic gastric bypass surgery is the most common surgery for obesity related issues in the world and is called the golden standard in bariatric surgery. The reasoning for this is, fast and even weight loss, good control of additional medical conditions and the low risk of surgical complications.
Long terms results of the surgery are weight loss, and effect on other medical conditions.
Price: 5500€ / 4700£ read more
Compulsory BMI
Expected weight loss
Operation length
Time spent in hospital
Sick leave
Need for supplements
from 35 kg/m2
70-80% excess body weight
1 – 1,5 hours
3 nights
2 weeks
Necessary for your lifetime

Fast weight loss results
Safe surgery
Bariatric golden standart
PURPOSE OF THE SURGERY
Gastric bypass surgery is very common in the western world. The privileges of modern medicine are increasingly valued by people in your region of the world, who try to shed excess weight. Most importantly, the bypass surgery ensures long term results.
Of course, it is necessary to abide by doctor orders, maintain a healthy diet, and it is likely the previous weight will not be put back on. The stomach is elastic, therefore taking care of it properly can change your life. The bypass surgery, carried out by a bariatric surgeon will allow you to regain your health.
During surgery the top part of the stomach is sown, to create a small pouch (30-50ml size). The tube becomes your new, smaller stomach and is completely separated from the rest of the stomach. Then the stomach is sown to the small intestine loop, skipping the first part of the intestine, called the duodenal and around 150-200cm of small intestine. The remaining part of the stomach and top of the small intestine remain in the body, but are not used to digest food anymore, this decreases the duration of the digestion process and the intakes of calories.
The result is – less food consumed, less weight gained and increased well-being. Laparoscopic stomach surgery is safe, fast and effective.
It is calculated that after the procedure
a person loses up to 60-70% of their body weight
EXCESS WEIGHT ISSUES/PROBLEMS
Sometimes excess weight leads to certain ailments or impedes recovery. If your body mass index is above 35, usually the joints begin to suffer due to the extra pressure from the weight, snoring appears, salts form, stones may appear on the gall. Additionally, excess weight increases the risk of hypertension, heart attack or even cancer, a lot of overweight people are affected by heart or blood vessel related diseases. In some cases, the surgical method can be the only one which can help the patient improve their health and condition.
This procedure is recommended for people whose body mass index is 35 or above, have diabetes, increased blood pressure, arthrosis or other health problems. It must be noted that, obesity can be due to three certain factors: poor diet and low levels of physical activity or endocrine disorders.
Stomach reduction surgery is a way to develop healthier lifestyle habits. Post-surgery the stomach decreases in size, and smaller amounts of food intake create the feeling of fullness. This allows patients to avoid over-eating or feeling hungry – meals are not too big.
Relatively quickly post-surgery, the issues associated with excess weight disappear (diabetes, hypertension, snoring and etc.) Therefore, this is a great surgery to change your life: to feel physically and emotionally healthier and more attractive.
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WHO REQUIRES A STOMACH REDUCTION SURGERY?
The surgery is assigned by a medic, who upon analyzing the patients condition can identify the most appropriate treatment. Of course, dietary changes and physical activity are the first approach.
Unfortunately, due to excess weight, some individuals find physical activity very difficult to undertake. In those cases, gastric bypass surgery is the first treatment step, which is later accompanied by healthy lifestyle changes.
The surgery is recommended for people whose body mass index is above 35 (normal BMI is considered 18,5-24,9). Before the surgery the patients condition is evaluated.
In some cases, the patients condition does not allow for the surgery to go ahead, then other alternatives are considered. The effects of stomach reduction surgery will pleasantly surprise you!


ADVANTAGES OF STOMACH RESECTION SURGERY
- Post-surgery does not include only diet. The patient can eat usual meals: vegetables, bread, meat. The quanities will just be lower. This way the person received all necessary nutrients and naturally the weight will not increase.
- After eating the person feels full. This allows to avoid overeating. In addition, without overeating the person will avoid the feelings of drowziness or laziness which accompanies people after over indulging.
- During the first post surgery year, without too much effor the patient will be able to decrease body weight by up to 30%. Usually during the second year a similar quantity is lost.
- The oldest (several decades) and most successful surgery from all stomach decreasing surgeries in terms of results.
WEIGHT LOSS SURGERY DISADVANTAGES
- It is necessary to intake vitamins which ensure quick healing of the stomach, but also provide the body with key materials: zinc, folic acid and vitamin B12.
Surgery process
Gastric bypass surgery is not as complicated as one might think. Most importantly, it has to be left to qualified professionals. Then there is no cause for doubt.
The surgeons at our hospital, not only carry out the surgeries but also detail the steps of it, to calm the patient. We provide a small introduction, which helps to understand, how the surgery will be done.
PRE-SURGERY
The first step is a consultation. The patients needs are identified along with other underlying medical issues. It is often advised to consult not only with the surgeon, but a dietician as well, who can provide dietary recommendations.
Before the surgery the patient‘s blood is analysed, other factors regarding health are evaluated as well. A few weeks before the surgery it is recommended to avoid certain actions such as smoking or consuming alcohol. These can burden the surgery process.Before the surgery the patient‘s blood is analysed, other factors regarding health are evaluated as well. A few weeks before the surgery it is recommended to avoid certain actions such as smoking or consuming alcohol.
A few days before the surgery it is recommended to decrease the consumption of food. Sometimes a special liquid diet is assigned, for a week before the surgery. Of course each patient is unique, therfore the recommendations are not uniform.
Pre surgery the following factors are considered:
– chronic diseases
– current use of medication
– addictions
DURING SURGERY
During surgery a general anesthesia will be applied, therefore you will feel nothing. The duration of the surgery is usually 1 to 3 hours, however it can take longer, depending on the patients condition.
During surgery the size of the stomach can be decreased by as much as 90%.
POST-SURGERY
After the surgery you will be transported to a rehabilitation ward, where your health will be closely monitored by qualified staff.
As soon as you wake up, it is recommended to drink large amounts of water, as it will soothe the stomach and decrease any discomfort.
You will need to spend several days at the hospital, during which time your condition will be carefully monitored, in order to provide recommendations.
Each patient receives an individual dietary plan, which MUST be abided.
It is also important to limit physical activity. When the patient fully recovers, physical activity must be included in the daily routine. That is the guarantor of good health. If it is difficult to undertake sports, one must try to walk as much as possible.
Good hygiene is a must.
The patient is advised about which vitamins to use, in order to reach a good condition as fast as possible.
Once out of the hospital the patient can drive, take care of themselves.
For at least 2-3 weeks after the surgery it is advised to rest as much as possible.
For a week after surgery liquid food will be advised, which allows the stomach to function properly, then you will move on to regular diet, as advised by the dietitian. Try to avoid snacks and to live without tobacco or alcohol intake.
Doctor’s staff

Nerijus Kaselis

Algirdas Palšis
