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Int J Obes (Lond). 2011 Feb;35(2):153-66. doi: 10.1038/ijo.2010.132. Epub 2010 Jul 13.

Changes in neurohormonal gut peptides following bariatric surgery.

Author information

1
New York Obesity Research Center, Department of Medicine, St Luke's-Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, New York, NY 10025, USA. co2193@columbia.edu

Abstract

The rising prevalence of obesity has reached pandemic proportions, with an associated cost estimated at up to 7% of health expenditures worldwide. Bariatric surgery is currently the only effective long-term treatment for obesity and obesity-related co-morbidities in clinically severely obese patients. However, the precise physiological mechanisms underlying the postsurgical reductions in caloric intake and body weight are poorly comprehended. It has been suggested that changes in hormones involved in hunger, food intake and satiety via the neurohormonal network may contribute to the efficacy of bariatric procedures. In this review, we consider how gastrointestinal hormone concentrations, involved in appetite and body weight regulation via the gut-brain axis, are altered by different bariatric procedures. Special emphasis is placed on neurohormonal changes following Roux-en-Y gastric bypass surgery, which is the most common and effective procedure used today.

PMID:
20625384
PMCID:
PMC3632050
DOI:
10.1038/ijo.2010.132
[Indexed for MEDLINE]
Free PMC Article

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