Two Hypoabsorption Techniques for the Treatment of Type III Obesity (OASIS)

Randomized Prospective Study Comparing Two Hypoabsorption Techniques for the Treatment of Type III Obesity (Body Mass Index Between 45 - 49.9 Kg/m2): Single Anastomose Duodenal Switch (SADI-S) and Single Anastomose Gastric By-pass (OAGBP)

This study aims to compare the percentage of total weight lost in long-term follow-up after two surgical interventions (SADIS and OAGB) in patients with morbid obesity BMI between 45-49.9.

Inclusion Criteria:

• Patients over 18 and under 65 who meet criteria for bariatric surgery.
• Maximum BMI between 45 and 50 kg/m2 and indication for surgery in a time
• Signature of the informed consent of the study
• Patients suitable for laparoscopic surgery

Exclusion Criteria:

• Previous bariatric surgery
• 2-stage surgery
• Contraindication for hypoabsorptive surgery due to previous pathology: inflammatory bowel disease, transplant recipient or transplant candidate, previous intestinal resection surgery
• Other associated surgical procedures in the same intervention.
• Conversion to laparotomy