SASI type bypass (Bipartition of Intestinal Transit)

SASI Bypass

The SASI type Bypass or SASI with intestinal bipartition is a procedure in which a conventional Gastric Sleeve is performed followed by the connection of the distal intestine to the previously formed Gastric Sleeve. The meaning of SASI is the acronym in English for "Single Anastomosis Sleeve Ileal" that is, a single anastomosis between the sleeve and the ileum (distal intestine). Check out the publication in Mexico about SASI bypass or SASI with intestinal bipartition, made by Dr. Rey Romero and the Obesity Health team at this link The SASI Bypass or SASI with bipartition acts through 5 mechanisms: 1.- Restriction: This It occurs because the stomach is much smaller, the size of a conventional Gastric Sleeve, between 15 and 25% of the original size, this means that the amount of food that can fit in your new stomach is less. 2.- Decreased appetite: This happens because by creating a bypass or "jump" of food, the stimulation of the production of hormones is achieved, specifically GLP-1 and PYY, which are hormones that have, among other functions, early satiety or decreased appetite. 3.- Increased metabolism: The increase or acceleration of cellular metabolism occurs immediately after surgery, this occurs mainly due to the release of the hormones produced in the distal intestine GLP-1 and PYY and the hormones that are produced when food bypasses the first portion of the intestine, GIP. 4.- Increased satiety: Food passes more quickly towards the intestine, this is known as "increased gastric emptying" this occurs due to the pressure generated by the small stomach. The entry of food quickly into the distal intestine causes a negative feedback mechanism to be generated, that is, the body perceives that there is already food in the final part of the intestine "quickly" which causes a significant increase in satiety. 5.- Decreased absorption: The connection that exists between the intestine and the stomach allows food to skip between 1.5 to 3 meters of intestine (the total measurement of the intestine varies between 4 to 7 meters), which decreases absorption total food.

Animated video SASI Bypass or Bypass with intestinal bipartition. Courtesy Obesity Health SC

Description of SASI bypass technique by Dr. Rey Romero

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01

How much weight will I lose with my SASI type Bypass?

Weight loss during the first month is around 10 to 20% of the excess weight (between 8 and 16 kg). After 3 months you will be able to lose... See more.

02

Instructions prior to my surgery

Prior to surgery ALL patients must undergo preoperative studies, follow a preoperative diet and undergo psychological evaluation. Also... See more.

03

During my hospitalization

Upon arrival at the hospital, you will be greeted by the medical team who will take you to your room and ask you some medical questions, then... See more.

04

after my surgery

Make the necessary changes to achieve the desired success and obtain permanent results, turn it into a lifestyle... See more.
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