INTRODUCTION: Surgical intervention in obesity is today the most effective treatment method in high level obesity management. Bariatric interventions not only ensure body weight reduction, but may influence dietary habits. AIM: To assess changes in adipose hormones and dietary habits in obese patients after sleeve gastrectomy. MATERIAL AND METHODS: The study set comprised 37 subjects (29 females and 8 males) 24 to 68 years old with body mass index 43.0 ±4.9 kg/m(2). Pre-operative examination included baseline measurements of body composition. Dietary habits and intake frequency were monitored by a questionnaire method. Follow-up examinations were carried out in a scope identical to the pre-operative examination, 6 and 12 months after surgery, respectively. RESULTS: The average patient weight loss 12 months after surgery was 31.7 kg. Excess weight loss was 55.2 ±20.6%. Patients reported reduced appetite (p < 0.001), increasingly regular food intake (p < 0.001), intake of more meal portions per day (p = 0.003) and a decrease in consuming the largest portions during the afternoon and evening (p = 0.030). Plasma levels of fasting glucose, leptin and ghrelin significantly decreased (p = 0.006; p = 0.0.043); in contrast, the level of adiponectin significantly increased (p < 0.001). CONCLUSIONS: Sleeve gastrectomy and follow-up nutritional therapy resulted in a significant body weight reduction within 1 year after surgery. An improvement of certain dietary habits in patients was registered. At 12 months after surgery, there were no statistically significant differences in decreases in ghrelin and leptin concentrations between patients without changed appetite and those reporting decreased appetite.

Department of Physiology and Pathophysiology Faculty of Medicine University of Ostrava Ostrava Czech Republic

Department of Sciences Faculty of Medicine University of Ostrava Ostrava Czech Republic

Department of Surgical Studies Faculty of Medicine University of Ostrava Ostrava Czech Republic

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Metabolic Effects of Sleeve Gastrectomy and Laparoscopic Greater Curvature Plication: an 18-Month Prospective, Observational, Open-Label Study