We are located in the outpatient department of the Middle East
Institute Of Health (MEIH,
Obesity & Weight Control Center,
Bsalim - El Metn, Lebanon

Tel / Fax : 04/714583
Tel : 04/712111 ext: 6067
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Mini-Gastric Bypass
Gender: Male Female
Mini-Gastric Bypass


This new combined procedure (5-10 years) is based on reducing the size of the stomach and connecting the small gastric pouch to the small bowel at the level of the jejunum approximately 2 meters after the end of the stomach.
In this case a single anastomosis is done between a small long gastric tube (also calibrated on an orogastric tube inserted by the anesthesiologist) and the jejunal part of the small bowel. This will necessitate food consumption in very small quantities.
Along with the restrictive part, the ingested amount of food will be diverted from the digestive fluid secretions. This bypass of the food will cause an important reduction of the absorption of nutrients and induce weight loss. The operative time vary between 1,5 and 2 hours.

  • Mini-Gastric Bypass
  • Mini-Gastric Bypass
  • Mini-Gastric Bypass

The advantages of Mini-Gastric Bypass are:

  • Greatly controls food intake
  • Improvement of most of the medically related co-morbidities
  • Single anastomosis bypass

The disadvantages of Mini-Gastric Bypass are:

  • More complex procedure needing laparoscopic suturing skills
  • Bile reflux (5%)
  • Staple line leak (1%)
  • Anastomotic ulcer (2%)
  • Stenosis (5%)
  • Dumping syndrome
  • Iron deficiency anemia
  • Vitamin deficiencies


This intervention will achieve 85-90% EWL (Excess Weight Loss) during the following years and a progressive weight loss up to 5 years will be observed.
The mortality rate of this procedure is low (<1%)
The morbidity is medium with possible early postoperative complications.
The main concern remains the long term effect of the bile reflux on the gastric pouch. Along with that, the important malabsorptive component of this procedure will cause steatorrhea and iron deficiency anemia that sometimes is more important than in the standard Roux-en-Y Gastric Bypass


Most patients will not have postoperative complications after Mini-Gastric Bypass, however it can occur and early complications will depend on the patient’s health status.
These potential risks are not more dramatic than those of any open or laparoscopic procedure (such as appendectomy, hernia repair or gallbladder removal).
One should always keep in mind that the potential risks of obesity surgery are outweighed by its benefits. Thus all kind of possible complication are evoked and explained thoroughly prior to the procedure.

Specific complications for Mini-Gastric Bypass are:

  • Deep venous thrombosis (clots of blood in the leg veins) and pulmonary emboli.
  • Damage or bleeding from adjacent organ (liver, spleen, aorta, pancreas…) (1%)
  • Gastric, esophageal or anastomotic leak (1%)
  • Wound infection
  • Anastomotic ulcer (2%)
  • Stenosis (5%)
  • Bile reflux (5%)
  • Internal hernia (2%)
  • Multivitamin and iron deficiencies
  • Dumping syndrome
  • Incisional trocar site hernia
  • Other general complications (allergy to medication, heart problems, problems from anesthesia, organ failure that may rarely lead to death (0.05-0.4%)

Our experience

More than 293 Mini-gastric bypasses were performed since 2008. This single anastomosis bypass procedure is very promising with excellent weight loss on short term follow-up. As known internationally, this type of surgery will allow an excellent mid-term and long-term weight loss, but our data are still under investigation.

Obesity Surgery

"Weight loss surgery resolves or improves many serious health and long term life threatening conditions associated with obesity."


  • “If you are in doubt, don’t be as long you have the more than capable hands of Dr. Georges Al Hajj and his excellent medical team.
    It’s from the rarest occasions that we are blessed to have such robust team to look after our health and wellbeing.

    My sincere appreciation goes to Dr. Georges Al Hajj, Dr. Rodrigue Chemaly and every member of their comprehensive team at COCP.

    Well done on setting new standard for a personalized medical services, chapeau.”

    Ahmad Yousef