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Gastrointestinal changes after bariatric surgery.

I Quercia1, R Dutia1, D P Kotler2

  • 1New York Obesity Nutrition Research Center, St. Luke's-Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, 1111, Amsterdam Avenue, 1034 New York, NY 10025, USA; Department of Medicine, St Luke's-Roosevelt Hospital Center, New York, NY 10025, USA.

Diabetes & Metabolism
|December 24, 2013
PubMed
Summary
This summary is machine-generated.

Bariatric surgery effectively treats severe obesity and type 2 diabetes by altering gut function. These weight loss surgeries change digestion, nutrient absorption, and gut hormones, impacting metabolism and energy balance.

Keywords:
Bariatric surgeryDiabetesGastric bypassGut peptidesObesity

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Area of Science:

  • Metabolic surgery
  • Gastroenterology
  • Obesity medicine

Background:

  • Severe obesity presents significant health risks and reduced survival.
  • Bariatric surgery is the most effective treatment for severe obesity, promoting sustained weight loss.
  • Weight loss surgery improves or resolves obesity-related comorbidities like type 2 diabetes mellitus.

Purpose of the Study:

  • To review the mechanisms by which bariatric surgery impacts gastrointestinal physiology.
  • To explore how surgical modifications influence gut peptide secretions and actions.
  • To understand the effects on energy homeostasis and glucose metabolism.

Main Methods:

  • Review of current literature on bariatric surgery outcomes.
  • Analysis of physiological changes post-bariatric procedures.
  • Examination of alterations in gut motility, nutrient absorption, and gut microbiota.

Main Results:

  • Bariatric surgery significantly alters gastrointestinal motility, digestion, and nutrient absorption.
  • Changes in gut peptide release, bile acid profiles, and gut microflora are observed.
  • These modifications contribute to improved energy homeostasis and glucose metabolism.

Conclusions:

  • Bariatric surgery induces profound physiological changes in the gastrointestinal system.
  • These alterations are key to its efficacy in managing severe obesity and type 2 diabetes.
  • Understanding these mechanisms can optimize treatment strategies for metabolic disorders.