Techniques
Types of gastric bypass
There is no single bypass technique. The choice depends on your weight, associated conditions, and goals; the best balance of safety and results is defined during consultation.
Roux-en-Y gastric bypass
The classic, most studied technique. A small gastric pouch is connected to a section of the small intestine in a "Y" shape, combining restriction and reduced absorption. It is the reference standard for its long-term track record.
One-anastomosis bypass (OAGB)
Also called the "mini bypass." It uses a single connection between the gastric pouch and the intestine, which simplifies the technique and often shortens operating time while maintaining good results.
SASI bypass
Combines a gastric sleeve with a single anastomosis to the ileum. It largely preserves the natural path of food while boosting the metabolic effect, making it an attractive option for selected patients.
Transit bipartition
Starting from a gastric sleeve, a connection is added to a distal portion of the intestine, so food follows two routes while the passage through the duodenum is preserved. It stands out for its strong effect on metabolic diseases such as type 2 diabetes.
Each technique has different indications, advantages, and considerations. None is "the best" for everyone: the right one is defined individually after a complete medical evaluation.