Clinical Nutrition
Clinical Nutrition
3 years ago

Circulating adiponectin increases in obese women after sleeve gastrectomy or gastric bypass driving beneficial metabolic changes but with no relationship with carotid intima-media thickness.

&Aims: Obesity surgery induces beneficial effects in metabolic and cardiovascular parameters. Adiponectin increase might be associated with some of these changes. However, direct comparison between different surgical techniques has not been extensively performed. Methods We studied 20 obese women submitted to laparoscopic Roux en Y gastric bypass (RYGB) and 20 to sleeve gastrectomy (SG). Twenty control women matched for age and baseline metabolic profiles were also included. Both patients and controls were followed up for one year after surgery or conventional treatment with diet and exercise, respectively. Serum adiponectin was measured at baseline, 6 months and 1 year after, as well as lipid profiles, sex hormone binding globulin (SHBG), fasting glucose and insulin. Carotid intima-media thickness was measured by ultrasonography at baseline and after 1 year. Results Circulating adiponectin increased after obesity surgery (more markedky following RYGB than after SG), whereas no changes were observed in the controls (Wilks´λ=0.659, P<0.001 for the interaction, P<0.001 for RYGB vs. controls, P=0.016 for SG vs. controls, P=0.040 for RYGB vs. SG). The percentage increment in adiponectin correlated positively with changes in SHBG (r=0.404, P=0.002) and negatively with changes in weight (r=-0.531, P<0.001), waist circumference (r=-0.426, P=0.001), fasting glucose (r=-0.356, P=0.006), and insulin (r=-0.496, P<0.001). No correlation was found with carotid intima-media thickness (r=-0.055, P=0.679). Conclusions RYGB induces a higher increase in adiponectin than SG, which parallels SHBG, the reduction of fasting insulin and insulin resistance. On the other hand, no association was found with carotid intima-media, lipid profiles or blood pressure.

Publisher URL: www.sciencedirect.com/science

DOI: S0261561417313638

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