Nutrición Hospitalaria 00793 / http://dx.doi.org/10.20960/nh.793

Trabajo Original

Obesity, endothelial function and inflammation: the effects of weight loss after bariatric surgery

Fátima Illán Gómez, Manuel Gonzálvez Ortega, Aurora Aragón Alonso, Sabel Orea Soler, M.ª Soledad Alcaraz Tafalla, Matías Pérez Paredes, M.ª Luisa Lozano Almela

VOLUMEN 33, NÚM. 6, noviembre-diciembre (2016), PAG. -

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Objective: Obesity is associated with a high risk for atherosclerotic cardiovascular disease. There is a causal association between obesity, inflammation, insulin resistance (IR) and endothelial dysfunction. The aim of this study was to evaluate changes in IR, proinflammatory state and markers of endothelial dysfunction in morbidly obese patients after weight loss following bariatric surgery.Methods: In this study, we measured the levels of soluble intracellular adhesion molecule-1 (sICAM1), plasminogen activator inhibitor 1 (PAI-1), high-sensitivity C-reactive protein (hs-CRP), and interleukin-6 (IL-6) in 79 morbidly obese patients at baseline and 3, 6 and 12 months after gastric bypass. Also, we evaluated changes in IR.Results: Twelve months after surgery, there was a significant decrease in plasma levels of sICAM1 (p < 0.001), PAI-1 (p < 0.05), hs-CRP (p < 0.001), IL-6 (p < 0.001) and homeostasis model assessment (HOMA) (p < 0.001) and a significant increase of McAuley index (McAuley) (p < 0.001). Baseline levels of hs-PCR were positively correlated with sICAM-1 (r = 0.450, p < 0.01) and IL-6 (r = 0.451, p < 0.01). Significant correlations were also found between the decrease of PAI-1 and the decrease of hs-PCR (r = 0.425, p < 0.01) and tryglicerides (r = 0.351, p < 0.01).Conclusions: In patients with morbid obesity, substantial surgically induced weight loss is followed by a significant improvement in the endothelial function, inflammatory state and insulin sensitivity, that may reduce their cardiovascular risk. A relationship exists between improved inflammatory profile and endothelial function.

Palabras Clave: Obesity. Bariatric surgery. Inflammation. Endothelial activation. Insulin resistance.

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Citas

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