The aim of this study is to demonstrate the influence of peri-operative nutrition on the preservation of lean body mass after gastric bypass, as well as it's influence on postoperative complications.
Outcome measures: * Lean body mass * Length of hospital stay * Weight loss * Postoperative complications * Cost
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
200
Pre-operative glucose load: 800 ml of PreOp (Nutricia) 12 h before surgery; 400 ml of PreOp (Nutricia) 2 hours before surgery
Enteral feeding starting 6 hours post surgery
Hôpitaux Universitaires Genève
Geneva, Canton of Geneva, Switzerland
Post-operative body mass composition
Time frame: 2 years
Post-operative complications
Time frame: 30 days
Length of stay
Time frame: 2 weeks
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