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Related Experiment Video

Updated: Jun 11, 2026

Sleeve Gastrectomy in Mice using Surgical Clips
05:16

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Published on: November 14, 2020

Changes in desired body shape after bariatric surgery.

Daniel Munoz1, Eunice Y Chen, Sarah Fischer

  • 1School of Professional Psychology, Pacific University, Portland, Oregon, USA.

Eating Disorders
|July 7, 2010
PubMed
Summary

Bariatric surgery changes how patients perceive their ideal body shape. Rapid weight loss post-gastric bypass surgery may lead to unrealistic body shape expectations, impacting patient counseling.

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Area of Science:

  • Bariatric surgery outcomes
  • Body image perception
  • Obesity research

Background:

  • Bariatric surgery induces significant weight loss.
  • Post-surgical weight loss can alter body image perception.
  • Understanding ideal body shape perception is crucial for patient management.

Purpose of the Study:

  • To assess changes in body shape perception among obese individuals before and after gastric bypass surgery.
  • To investigate the relationship between weight loss and the perception of ideal body shape.

Main Methods:

  • A study involving 57 obese participants undergoing gastric bypass surgery.
  • Assessment of current and ideal body shape perception pre-surgery and one year post-surgery.

Main Results:

  • Prior to surgery, participants desired a body shape 4 points different from their current shape.
  • One year post-surgery, participants' ideal body shape perception decreased from 4.1 to 3.3 as their own body shape reduced.
  • A correlation was observed between reduced personal body shape and a smaller ideal body shape.

Conclusions:

  • Rapid weight loss following bariatric surgery may influence patients' perception of attainable body shapes.
  • The findings suggest a potential disconnect between actual physical changes and perceived realistic body ideals.
  • Implications for enhanced patient counseling regarding body image and expectations post-surgery are significant.