Obesity surgery

Bariatric surgery aims to achieve long-term weight loss, while improving general health, reducing or eliminating comorbidities, and increasing the patient’s well-being and quality of life. It is considered the most effective treatment for morbid obesity.

Bariatric surgery techniques have an influence on your energy balance, greatly reducing your food intake and causing your body to consume energy from stored reserves. The reduction of energy deposits means a reduction in adipose tissue, slimming, regaining a normal appearance, significant relief of vital functions, disappearance or significant improvement of diseases caused by obesity. Patients undergoing surgery gradually lose weight and should reach a suitable weight in about 8-12 months.

master surgeon SRC Viorel Dejeu

Accreditation obtained in 2022 after an extensive auditing process of Doctor Dejeu’s medical team by a team of specialists from the USA.
Dr. Viorel Dejeu is an accredited Surgeon of Excellence in metabolic and bariatric surgery.


We are available 24/7

The multidisciplinary team is with you.

5 locatii

You can find us in 5 cities in the country

We are in Bucharest, Oradea, Arad, Sibiu and Cluj-Napoca.


International accreditation

Dr. Viorel Dejeu is a Master Surgeon in Metabolic & Bariatric Surgery.


Over 2,000 patients annually

One of the best performing teams in Europe.


Types of interventions

The latest obesity surgery tailored to each patient.

Gastric sleeve

It is a stomach shrinkage operation that involves removing a large portion of the stomach (about 80%), leaving a much shrunken gastric tube in the digestive tract. The procedure is very effective, both because of the shrinkage and because it removes the portion of the stomach responsible for the formation of a hormone that stimulates the hunger centers. It is performed laparoscopically or classically. Postoperative recovery is rapid, with a hospital stay of 48-72 hours.

Depending on the starting weight, the patient may return to the ideal weight in 1-2 years after surgery. For overweight patients (BMI over 50-60) this type of surgery can be a first step, later completed with a malabsorptive mechanism (gastric bypass). The intervention is followed by an appropriate postoperative regimen and lifestyle improvement. With weight loss, diabetes, hypertension, sleep apnoea can regress to full recovery.

Gastric ring

It involves fitting a silicone ring around the upper portion of the stomach. It basically creates a smaller stomach above the ring. The patient will consume smaller amounts of food and will feel satiated sooner. The ring is connected to a small plastic reservoir (port) placed under the skin. Through this port the diameter of the ring is adjusted by injecting saline. The procedure is performed laparoscopically or classically, with a rapid postoperative recovery. Duration of hospitalization 48-72 hours. The results are comparable to those of the gastric sleeve, although slightly inferior. The procedure is reversible. Postoperatively the patient follows an appropriate diet, as recommended at discharge. The ring can remain and maintain its restrictive effect for many years.

Gastric follicle

It is a type of surgery where the stomach is plumped from the outside in. The resulting stomach will have a much reduced volume. The procedure is performed laparoscopically or classically. Hospitalisation for 48-72 hours followed by an appropriate diet. The disadvantage compared to the gastric sleeve is the persistence of the hormonal mechanism, as no part of the stomach is removed. Similar to gastric ring and slightly inferior to sleeve. It is therefore recommended in patients suffering from a more moderate form of obesity. The decision is made after a pre-operative consultation in which the advantages of each method are discussed in detail, tailored to the needs of each patient.

Gastric bypass

Type of intervention recommended for diabetic patients. After this surgery, all patients experience improvement in their diabetes and up to 80% of patients experience diabetes remission. It is also aimed at patients suffering from less severe obesity, grade 1 and 2, due to its excellent effects on type 2 diabetes. It combines the restrictive mechanism (shrinking of the stomach) with the malabsorptive one (short-circuiting of a large part of the small intestine, so that food will meet the digestive juices, which facilitate absorption, only in the last portion of the intestine). The procedure is performed laparoscopically, minimally invasively, followed by very careful postoperative care (adapted diet and regular check-ups). The patient can reach the ideal weight within the first two years after the intervention, once the comorbidities (diabetes, hypertension, etc.) regress.


Patients asked:

Here’s what patients say about how we’ve improved their health and given them a normal lifestyle again

On average, patients lose 70-100% of their excess weight. It also depends on how well you follow the instructions you receive from the bariatric team.

After 7-10 days patients can return to work, if this does not involve very strenuous physical effort (in which case we recommend a month’s rest).

No. Eating anything, anytime, anyhow means reverting to an unhealthy lifestyle. Patients will not be dependent on a diet, but they must learn to prioritise and eat healthily.

Any surgery has its risks of complications. If the team is experienced and the patient is well prepared for the procedure, the chances of complications are greatly reduced. A complication also has a solution, should it arise, which is why the contact with the bariatric team must be continuous and close.

When you schedule your surgery, we’ll explain the steps you need to take. We start by correcting our eating style, do a comprehensive set of tests and investigations and improve the health problems we suffer from.

Yes. For any intervention you do, this risk will never go away. Bariatric interventions are the most effective methods to help you get back to and maintain your ideal weight, but they can only be effective in the long term if accompanied by a balanced lifestyle and healthy eating. The bariatric team should be with you for the rest of your life, to monitor and advise you so that you manage to maintain your weight.


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