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Obes Surg. 2013 Aug;23(8):1252-61. doi: 10.1007/s11695-013-0894-2.

Gastric bypass and sleeve gastrectomy: the same impact on IL-6 and TNF-α. Prospective clinical trial.

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1
Department of Physiological Sciences, Federal University of Espírito Santo, Rua Marechal Campos, 1468 Vitória, CEP: 29040-090, ES, Brazil. elainecviana@gmail.com

Abstract

BACKGROUND:

Due to the association between the quantity of adipose tissue and concentrations of interleukin-6 (IL-6) and tumor necrosis factor (TNF-α), this work aimed to assess the effects of Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) procedures on serum IL-6 and TNF-α concentrations.

METHODS:

This study evaluated serum IL-6 and TNF-α levels, as well as routine anthropometric and biochemical values, before and 1 year post-bariatric surgery. Fifty percent of patients (n = 24) underwent RYGB, and 50 % (n = 24) underwent SG. Prior to bariatric surgery, IL-6 and TNF-α mRNA expression levels in subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) were investigated in obese women.

RESULTS:

There was a significant reduction (p < 0.05) in all anthropometric and routine biochemical measurements in patients in the RYGB and SG groups 1 year post-surgery. The serum concentrations of IL-6 and TNF-α were reduced following surgery in both groups (p < 0.05). No differences in the relative expression levels of IL-6 and TNF-α were found between SAT and VAT prior to bariatric surgery.

CONCLUSIONS:

RYGB and SG procedures demonstrated a similar impact on adipokine levels in women 1 year post-surgery. Both techniques may improve the course of chronic diseases and the state of inflammation associated with obesity.

PMID:
23475776
DOI:
10.1007/s11695-013-0894-2
[Indexed for MEDLINE]
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