Bariatric Surgery

Private Bariatric Surgery

Comprehensive Medical Care

The Lacroix network’s bariatric surgery service allows our customers to benefit from complete care, from initial assessment to postoperative follow-up with nurses, surgeons and nutritionist.


What is bariatric surgery?


Bariatric surgery is a surgical procedure aimed at helping people with severe obesity lose weight significantly and sustainably. This surgery modifies the digestive system to restrict the amount of food the stomach can hold and/or absorb, or by changing the processes of food digestion and absorption. Bariatric procedures are generally reserved for people who have failed to lose weight through non-surgical means and who are facing serious health complications related to their obesity, such as type 2 diabetes, high blood pressure or joint problems. Types of bariatric surgery include sleeve gastrectomy, gastric bypass, and gastric banding. These procedures are often performed laparoscopically, a minimally invasive surgical technique that involves small incisions and faster recovery compared to open surgery.


Surgeons at Lacroix favor the vertical (sleeve) gastrectomy method.

chirurgie gastrique verticale gastrectomie

What are the advantages of a vertical gastrectomy (sleeve) ?

Vertical gastrectomy, also called sleeve gastrectomy, has several advantages over other types of bariatric gastric surgery:

  1. Less risk of complications: Vertical gastrectomy is considered a less complex procedure than gastric bypass, which reduces the risk of postoperative complications.
  2. No foreign devices: Unlike gastric banding, vertical gastrectomy does not require implantation of a foreign device into the stomach, eliminating risks associated with gastric migration or irritation ring.
  3. No malabsorption: Unlike gastric bypass, which modifies the digestive system to reduce food absorption, vertical gastrectomy does not cause nutrient malabsorption, reducing the risk of long-term nutritional deficiencies.
  4. Reduced hunger: By removing a large portion of the stomach, vertical gastrectomy reduces production of the hunger hormone ghrelin, leading to a decreased appetite and a faster feeling of fullness after meals .
  5. No readjustment required: Unlike gastric banding, which sometimes requires subsequent adjustments, vertical gastrectomy generally does not require postoperative readjustment.

These benefits make vertical gastrectomy an attractive option for many people with severe obesity seeking surgery to lose weight. However, each patient should discuss with their medical team to determine the best treatment based on their needs and medical history.

What to expect when you want to undergo bariatric surgery

1 – Initial Assessment


During the initial assessment, we discuss with you to determine if you meet the selection criteria to undergo a gastrectomy. Several factors come into play, including your medical history, current health, age, etc.


Depending on the analysis of the evaluation data, it may be determined that it would be preferable or even necessary to consult internal medicine in order to properly evaluate the possible solutions for your situation. The option of surgery has not been definitively ruled out, but further investigation is necessary to ensure that it is the right option for you and your health.


If your case qualifies after the initial evaluation, we then move on to the preoperative evaluation, we carry out analyzes and an electrocardiogram (ECG).


If you meet the selection criteria, you will be offered an appointment with a general surgeon, either Dr. Sébastien Carignan or Dr. Joseph Chebib, at our Laval clinic.


2 – Consultation with the general surgeon


During the consultation with the surgeon, he will go further in examining your state of health and the relevance of operating on you for a gastrectomy. Even if it has been determined that you meet the selection criteria of the initial evaluation, it is possible that the surgeon, after a more in-depth examination and in light of new information regarding your state of health, will determine that this intervention is not desirable for you.

3 – Make appointments with other specialists


After the meeting with the general surgeon and in the event that we go ahead with the surgery, appointments are made for:


  • Nutritional assessment with a nutritionist;
  • Psychological assessment with a psychologist or a nurse specializing in mental health;
  • Sleep apnea screening test with a respiratory therapist.




4 – Gastroscopy (if necessary)


To determine the condition of your stomach before surgery, a gastroscopy may be necessary. It is the general surgeon who will decide, depending on your state of health and your symptoms if you have any (eg: heartburn, gastric reflux, etc.), if this examination is necessary.


A gastroscopy is a medical examination which consists of introducing a flexible tube with a camera at its end, called an endoscope, through the patient’s mouth in order to observe the interior of the esophagus, the stomach and sometimes the duodenum. . This exam helps detect ulcers, inflammation, bleeding or other abnormalities in these digestive organs. It can also be used to take tissue samples (biopsies) if disease is suspected or to perform treatments such as removing polyps or clotting bleeding.




5 – Operation


On the day of the operation, you are taken care of as soon as you arrive in the operating room where everything is put in place to ensure that the operation is a success throughout. Nurses, respiratory therapists, anesthesiologists and surgeons will use their know-how, experience and professionalism to ensure that your surgery goes well.





6 – Postoperative follow-up


After the operation, meetings are planned with our specialists. You will meet the surgeon after 24h, after a week, then after a year. You will see a nurse after 4h and 24h, then again after one month, 3 months and 6 months. You will also meet our nutritionist after a month.





Did you know?

When you are a Lacroix member, you can exchange two of your family medicine consultations for one specialized medicine* consultation at any time. For more information on our health formulas or to benefit from this advantage and book your appointment, call us at 1 855 841-1911.


* Except Psychiatry and Neurology.

Dr. Sébastien Carignan

General Surgeon

Dr Sébastien Carignan is a general surgeon, graduated from the University of Montreal in 2006. He has since practiced in a regional university center. A member of the Royal College of Surgeons of Canada, he has acquired over the years extensive experience in the treatment of a wide variety of surgical pathologies.


In the context of a project to return to practice in his native region and to better harmonize his practice with his family life, Dr. Carignan chose to continue his practice at Lacroix Médecine Privée. It will be able to offer quality care for a wide range of pathologies.


Dr. Carignan wishes to share with his patients his great expertise in the field of digestive endoscopy for colonoscopies and gastroscopies, bariatric surgery, gallbladder surgery, breast surgery for benign conditions and the treatment of anorectal pathologies. In addition, it is able to offer an adequate solution for the management of different types of abdominal wall hernias. Whether for inguinal, incisional or umbilical hernia, he will be prepared to offer you surgeries using a laparoscopic or open approach and under different types of anesthesia, including local anesthesia.


Dr Carignan will offer the most suitable and modern solution to the patients he will have the privilege of treating.

Dr Joseph Chebib

Dr. Joseph Chebib

General Surgeon

Dr Joseph Chebib is a graduate in General Surgery, Saint-Georges Faculty of Postgraduate Medical Education, University of Balamand, Saint-Georges University Hospital, Beirut, Lebanon. During his career, he acquired solid experience in general and bariatric surgery while working in France and during his fellowship in Montreal.


He is a member of the College of Physicians of Quebec, the Quebec Surgery Association, the Canadian Association of General Surgeons, the Canadian Association of Bariatric Physicians and Surgeons, and the American Society for Metabolic and Bariatric Surgery (ASMBS).


He worked as a general and bariatric surgeon for 9 years in Gaspésie.


Always attentive to patients with great compassion, he offers his expertise in the field of bariatric surgery, gallbladder surgery, laparoscopic or open hernia surgery (inguinal, incisional or umbilical hernia), breast surgery for benign conditions, the treatment of anorectal pathologies and also digestive endoscopy for colonoscopies and gastroscopies.

Surgeries offered in general surgery in our operating theaters in Laval and Quebec

  • Cholecystectomy (gallbladder)
  • Excision of benign mass in the breast
  • Hemorrhoidectomy
  • Linea alba (or epigastric) hernia
  • Inguinal hernia
  • Umbilical hernia
  • Incisional hernia
  • Pilonidal sinus cyst
  • Bariatric surgery (in Laval only for now)

A consultation is required before planning a surgical procedure in the operating room.

For the greatest safety of our patients and to prevent the risk of hospitalization as much as possible, we must respect several criteria. First of all, the surgical procedure must be adapted to day surgery. The other two criteria to be met are a BMI (body mass index) less than or equal to 35.0 and an ASA score 1 or 2 maximum.



We also offer the services of Orthopedic Surgery, Gynecological Surgery, Neurosurgery, Otolaryngology.


After the procedure, Lacroix Private Surgery provides its surgery patients who need a day or two of recovery before traveling back home with a fully furnished condo located just across from the Berger Medical Center.


Equipped with two bedrooms with queen-sized beds, a functional kitchen, a living room with a sectional sofa and TV, a spacious furnished balcony, and a full bathroom with a shower, this comfortable condominium can accommodate up to four people during the necessary days of patient recovery before safely returning home.


Through Medicard or Medical Credit, it is possible to finance your surgery. As soon as it is established what exact type of surgery you need as well as the fact that you are a good candidate for the said surgery, a cost estimate is given to you. You can of course pay the bill with one of the major credit cards that we accept, but you can also choose to finance your surgery over a longer term, by applying for financing from one of our partners.


Just go to their website and make your request:

Medicard Logo (1)

Call us at 1 855 841-1911 or leave us your contact information and ask that we contact you at the time that suits you best!