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The effects of weight loss strategies on gastric emptying and appetite control

Horner, K.M., Byrne, N.M., Cleghorn, G.J., Naslund, E., & King, N.A. (2011) The effects of weight loss strategies on gastric emptying and appetite control. Obesity Reviews.

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      Abstract

      The gastrointestinal tract plays an important role in the improved appetite control and weight loss in response to bariatric surgery. Other strategies which similarly alter gastrointestinal responses to food intake could contribute to successful weight management. The aim of this review is to discuss the effects of surgical, pharmacological and behavioural weight loss interventions on gastrointestinal targets of appetite control, including gastric emptying. Gastrointestinal peptides are also discussed because of their integrative relationship in appetite control. This review shows that different strategies exert diverse effects and there is no consensus on the optimal strategy for manipulating gastric emptying to improve appetite control. Emerging evidence from surgical procedures (e.g., sleeve gastrectomy and Roux en-Y gastric bypass) suggests a faster emptying rate and earlier delivery of nutrients to the distal small intestine may improve appetite control. Energy restriction slows gastric emptying, while the effect of exercise-induced weight loss on gastric emptying remains to be established. The limited evidence suggests that chronic exercise is associated with faster gastric emptying which we hypothesise will impact on appetite control and energy balance. Understanding how behavioural weight loss interventions (e.g., diet and exercise) alter gastrointestinal targets of appetite control may be important to improve their success in weight management.

      Impact and interest:

      14 citations in Scopus
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      11 citations in Web of Science®

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      ID Code: 43652
      Item Type: Journal Article
      Additional Information: Early View (Online Version of Record published before inclusion in an issue)
      Keywords: weight loss, gastric emptying, gut peptides, appetite, compensatory responses
      DOI: 10.1111/j.1467-789X.2011.00901.x
      ISSN: 1467-7881
      Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > HUMAN MOVEMENT AND SPORTS SCIENCE (110600)
      Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > NUTRITION AND DIETETICS (111100)
      Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > MEDICAL PHYSIOLOGY (111600)
      Divisions: Current > QUT Faculties and Divisions > Faculty of Health
      Current > Institutes > Institute of Health and Biomedical Innovation
      Current > Schools > School of Exercise & Nutrition Sciences
      Copyright Owner: © 2011 The Authors. obesity reviews © 2011 International Association for the Study of Obesity
      Deposited On: 27 Jul 2011 10:34
      Last Modified: 03 May 2014 15:22

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