Abstract:
BACKGROUND:Between 2 and 8 weeks before surgery, most bariatric surgery groups establish strict dietary treatments with a total caloric intake of less than 1,000 kcal/day in order to maximize weight loss during this period of time. METHODS:A prospective randomized clinical trial of all the patients undergoing laparoscopic sleeve gastrectomy (LSG) was performed. Patients were randomly assigned into 3 groups: those patients receiving a preoperative regular diet of 900 kcal/day (group 1), those receiving a preoperative balanced energy high-protein formula (group 2) and those receiving preoperative Immunonutrition (group 3). Preoperative weight loss, postoperative pain, complications and analytical acute phase reactants were investigated. RESULTS:Sixty patients were included in the study, 20 in each group. Preoperative excess weight loss was 7.7 % in group 1, 12.3 % in group 2 and 15.3 % in group 3 (p = 0.014). Median postoperative pain was 3.5 in group 1, 3 in group 2 and 2 in group 3 (p = 0.048). C-reactive protein determined 24 h after surgery was significantly lower in group 3 than in the other groups. AST and ALT values were significantly lower in group 3 than in the other groups, without significant differences between groups 1 and 2. CONCLUSIONS:Preoperative diet with Immunonutrition formulas during 2 weeks achieves a greater preoperative weight loss, lower postoperative pain and lower values of CRP and liver enzymes than high-protein formulas or regular diet, all of them with similar caloric intake.
journal_name
Obes Surgjournal_title
Obesity surgeryauthors
Ruiz-Tovar J,Zubiaga L,Diez M,Murcia A,Boix E,Muñoz JL,Llavero C,OBELCHE group.doi
10.1007/s11695-015-1880-7subject
Has Abstractpub_date
2016-06-01 00:00:00pages
1221-7issue
6eissn
0960-8923issn
1708-0428pii
10.1007/s11695-015-1880-7journal_volume
26pub_type
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