Resumen

GOMEZ-ALVA, Araceli et al. Binge eating disorder, depression, anxiety and Agouti gen related neuropeptide in patients with bariatric surgery. Rev. Mex. de trastor. aliment [online]. 2017, vol.8, n.2, pp.161-170. ISSN 2007-1523.

The objective of this retrospective study was to analyze the relationship between the symptoms of depression, anxiety and binge eating disorder (BED) with the gene related to the Agouti neuropeptide in patients undergoing bariatric surgery. A cohort of 249 adults (average age = 41.1, SD = 11.3), 64.1% women and 35.9% men, were included. The assessment of depression, anxiety and BED symptoms was carried out through a semi-structured interview. In addition, the body mass index was calculated, and blood samples were taken for an allelic discrimination analysis. Of the total number of patients 20.2% were diagnosed with BED, finding an association of this disorder with a lower weight loss after bariatric surgery at 6, 12, 18 and 24 months. The measures of depression and anxiety did not differ between patients with BED vs. without BED. Patients with a mutant allele in the gene related to the Agouti neuropeptide were 2.6 times more likely to present BED (95% C11.0-6.8, P = 0.04). In addition, BED appears to be more frequent in patients with a gene related to the Agouti neuropeptide mutated. When obesity is studied, it is emphasized the need to address both psychological and genetic factors.

Palabras llave : Obesity; Binge eating; Human genome; Depression; Anxiety.

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