Laparoscopic Single Anastomosis Sleeve Ileal Bypass Versus Laparoscopic Sleeve Gastrectomy for Morbid Obesity

Exclusion Criteria

• •1. BMI ≥55 kg/m2.
• •2. A history of major abdominal or bariatric surgery (excluding appendectomy, cholecystectomy, and sectio).
• •3. Established disabling cardiopulmonary disease, ongoing treatment for cancer, long-term steroid use, and conditions believed to be associated with poor adherence after surgery.
• •4. Previous or current gastroesophageal reflux symptoms with daily use of antireflux medication. Patients are also excluded if preoperative manometry identifies a hiatal hernia (≥4cm in axial length) or if preoperative upper endoscopy identifies esophagitis grade C or D (LA classification), peptic stricture, Barrett's esophagus, or esophageal carcinoma.
• •5. Achalasia
• •6. Pregnancy.