Impact of Resected Gastric Volume on Postoperative Weight Loss After Laparoscopic Sleeve Gastrectomy for Morbid Obesity

Impact of resected gastric volume on postoperative weight loss after laparoscopic sleeve gastrectomy for morbid obesity. Observational study with a mathematical method to approximate the calculation of the resected gastric volume after a sleeve gastrectomy and see the outcome on weight loss.

Inclusion Criteria:

• BMI over 60 kg/m2 in high-risk patients,
• BMI between 50 and 60 kg/m2 in nondiabetic patients,
• BMI between 40 and 50 kg/m2 in patients refusing a complex procedure like Roux-en-Y gastric bypass,
• patients with severe gastric inflammatory disease and H. pylori infection,
• patients with previous abdominal surgery involving the intestines, and young patients refusing gastric banding

Exclusion Criteria:

• severe and documented gastroesophageal reflux disease
• previous gastric surgery.