Air access via laparoscopy.
1 - Gastroplasty horizontal isolating a small pocket by an adjustable silicone ring connected to a reservoir of sizing.
2 - Gastroplasty vertical insulation stapling a small pocket calibrated by a ring.
In these 2 techniques stomach is changed to “hourglass” and food is divided and limited.
3 - “Gastric Bypass-or short-circuit gastric adding the reduction in the volume gastric malabsorption.
In this technique (the most used in USA) food is both less and less assimilated.
4 - “Switch” or gastrectomy gutter with a duodenal switch and biliary-pancreatic diversion.
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