What is the primary mechanism of action for Laparoscopic Banding?

Laparoscopic banding primarily functions through a restrictive mechanism. This procedure involves placing a band around the upper portion of the stomach, creating a small pouch that limits the amount of food that can be ingested at one time. By constricting the stomach, the band reduces the actual volume of food that can be consumed, which leads to early satiety and a reduced overall caloric intake.

This method is designed to support weight loss by physically restricting food intake rather than altering the digestion or absorption of nutrients, as indicated by the other options. In contrast to methods that increase nutrient absorption, bypass the small intestine, or stimulate appetite suppression, laparoscopic banding focuses specifically on limiting how much food enters the stomach at a given time. Thus, the effectiveness of the procedure is closely tied to its ability to create a feeling of fullness with smaller amounts of food, which is an essential aspect of its primary mechanism of action.