Preoperative Very Low-Calorie Diet and Operative Outcome After Laparoscopic Gastric Bypass

摘要: Hypothesis A 14-day very low-calorie diet (VLCD) regimen before a laparoscopic gastric bypass procedure will improve perioperative and postoperative outcomes. Design Multicenter, randomized, single-blind study. Setting Five high-volume bariatric centers in Sweden, the Netherlands, Lithuania, Spain, Belgium. Patients Two hundred ninety-eight morbidly obese patients undergoing from March 1, 2009, through December 5, 2010. Intervention were randomly allocated to 2-week preoperative VLCD or no dietary restriction (control group). Main Outcome Measures Operating time, surgeon's perceived difficulty of operation, liver lacerations, intraoperative bleeding complications, 30-day weight loss, morbidity. Results Mean (SD) change was −4.9 (3.6) kg group vs −0.4 (3.2) control (P  Conclusions Although reduction with performed seems reduce procedure, only minor effects on operating short-term loss could be expected. However, finding reduced complication rates suggests that such should recommended surgery.